Julian D Huffman

US Patent 11167562 Liquid discharging device, liquid discharging method, and computer program product

US Patent 7114792 Apparatus for correcting ink droplets placement errors for recording apparatus, recording apparatus having apparatus for correcting ink droplets placement errors, and method for correcting ink droplets placement errors

US Patent 7125094 Systems and methods for compensating for streaks in images

US Patent 7128397 Ink distribution assembly for page width ink jet printhead

US Patent 7128409 Replaceable printing consumable with features facilitating intuitive installation by a user

US Patent 11173710 Image forming apparatus and signal control method in image forming apparatus

US Patent 11173736 Image forming apparatus

US Patent 7134738 Printer and ink cartridge attached thereto

US Patent 7134739 Print engine with air-cleaned printhead

US Patent 7137682 Detection of a print recording material reservoir

US Patent 7147299 Control unit and method for controlling motor for use in printer, and storage medium storing control program

US Patent 7168783 Apparatus and method of controlling a printhead of a printing apparatus

US Patent 7172266 Printhead assembly for a pagewidth inkjet printer incorporating an ink storage assembly

US Patent 7175248 Fluid ejection device with feedback circuit

US Patent 7178894 Franking device with tamper protection

US Patent 7178895 Correcting method, liquid ejecting apparatus, computer program, computer system, and correction pattern

US Patent 7182424 Ink jet recording process for detecting dot omission of clear ink and apparatus for conducting the process

US Patent 7185967 Printing apparatus, pattern, and computer system

US Patent 7188919 Liquid discharge method and apparatus using individually controllable nozzles

US Patent 7198343 Image printing apparatus

US Patent 7201460 Method and apparatus for compensation for time varying nozzle misalignment in a drop on demand printhead

US Patent 7201461 Apparatus for controlling a temperature of an ink-jet printhead

US Patent 7207664 Actuator device, liquid ejection head, and method of inspecting the same

US Patent 7210770 Actuator device, liquid ejection head, and method of inspecting the same

US Patent 7219973 Image-forming device and method

US Patent 7219977 Printing apparatus, liquid ejecting apparatus, method of adjusting positions of liquid droplet marks, and liquid ejecting system

US Patent 7222950 Ink cartridges

US Patent 7226156 Platform including fluid manifold for multiple fluid ejection devices

US Patent 7226159 Printer with an ink drying arrangement

US Patent 7229144 Method for aligning multiple nozzle members in a solid free form fabrication tool

US Patent 7229155 Thermal ink jet printhead with bubble collapse point void

US Patent 7229156 Thermal inkjet printhead with drive circuitry proximate to heater elements

US Patent 7232199 Droplet ejection apparatus and method of detecting and judging ejection failure in droplet ejection heads

US Patent 7234788 Individual voltage trimming with waveforms

US Patent 7237859 System and methods for providing a head driving device

US Patent 7237863 Temperature detection circuit for recording head and recording device therewith

US Patent 7237878 Liquid jetting head

US Patent 7241003 Media drying system having a heated surface and a directed gas flow

US Patent 7246870 Liquid droplet ejection method, liquid droplet ejection device, nozzle abnormality determination method, display device, and electronic apparatus

US Patent 7255411 Liquid ejection control method and liquid ejection apparatus

US Patent 7255421 Imaging apparatus having a printhead carrier/belt interface device

US Patent 7255427 Liquid ejection device and image forming apparatus

US Patent 7264347 Recording-medium conveying device conveying a recording medium on a conveying belt charged with a positive charge and a negative charge alternately

US Patent 7267415 Printer and ink cartridge attached thereto

US Patent 7267416 Ink drop ejection method and ink drop ejection device

US Patent 7267420 Liquid ejection head inspection method and printer device

US Patent 7270396 Composite pagewidth-printhead supporting structure

US Patent 7275810 Ink-jet printing apparatus and ink cartridge therefor

US Patent 7278705 Power management control method and printing apparatus

US Patent 7278709 Photo-curable resin composition, method of patterning the same, and ink jet head and method of fabricating the same

US Patent 7284813 Printer and printing system

US Patent 7284848 Ink cartridges

US Patent 7284849 Ink cartridges

US Patent 7284852 Fixative drying of fluid printed by an inkjet type printer

US Patent 7287845 Ink cartridges

US Patent 7290870 Ink cartridges

US Patent 7293858 Inkjet printhead integrated circuit with rotatable heater element

US Patent 7296867 Printing apparatus having printhead chips with overlapping end portions

US Patent 7296875 Cleaning device for ink-jet printers

US Patent 7300136 Ink tubing chain slider for wide format printer

US Patent 7303254 Print assembly for a wide format pagewidth printer

US Patent 7309118 Systems and methods for reducing cross process direction registration errors of a printhead using a linear array sensor

US Patent 7316464 Ink jet print apparatus and ink jet print method

US Patent 7322667 Liquid detecting method and liquid detecting system

US Patent 7328957 Liquid discharging head and recording apparatus using the same

US Patent 7328959 Method of apparatus for measuring image alignment errors for image formation in image forming apparatus

US Patent 7328961 Droplet ejection apparatus and method of judging ejection failure in droplet ejection heads

US Patent 7328962 Droplet ejection apparatus

US Patent 7328995 Method and apparatus for embedding information in an image

US Patent 7328996 Sensor and ink-jet print-head assembly and method related to same

US Patent 7334867 Support beam for printhead modules

US Patent 7334868 Pagewidth inkjet printhead assembly having a composite support structure

US Patent 7341341 Handheld computing device incorporating a pagewidth inkjet printer

US Patent 7347524 Printing method and printing apparatus

US Patent 7347525 Systems and methods for compensating for streaks in images

US Patent 7347527 System and method for maintaining solid ink printheads

US Patent 7350890 Apparatus and methods for applying images to a surface

US Patent 7350891 Liquid discharge head

US Patent 7350911 Cartridge tape removal method

US Patent 7354121 Printer for a conveyance

US Patent 7357470 Apparatus and method for controlling printing time

US Patent 7357471 Method and apparatus for fluid dispensing using curvilinear drive waveforms

US Patent 7357481 Duplex printing system capable of ink removal

US Patent 7360853 Morphology-corrected printing

US Patent 7360857 Ink jet printing apparatus and ink jet printing method

US Patent 7360879 Inkjet pen adapter

US Patent 7364261 Directionally dependent carrier isolator for an imaging apparatus

US Patent 7364263 Removable inkjet printer cartridge

US Patent 7364264 Inkjet printer cradle with single drive motor performing multiple functions

US Patent 7367639 Liquid ejecting apparatus and method of transferring image data

US Patent 7367645 Printing method and printing apparatus

US Patent 7367646 Test card for ink jet printers and method of using same

US Patent 7367649 Printhead assembly with selectable printhead integrated circuit control

US Patent 7367653 Laser ink jet printer

US Patent 7367668 Fixed material transportation apparatus, fixed material discharging apparatus, method for discharging the fixed material, liquid fixing apparatus

US Patent 7370930 Non-contact communication between device and cartridge containing consumable component

US Patent 7377605 Universal inkjet printer device and methods

US Patent 7377607 Liquid ejecting apparatus and method of transferring image data

US Patent 7377611 Ink jet printing apparatus and preliminary ejecting method

US Patent 7384111 Liquid ejection apparatus and method of controlling the same

US Patent 7393069 Image forming apparatus

US Patent 7393075 Recording apparatus, and feed control method of recording medium in the apparatus

US Patent 7396096 Inkjet recording device

US Patent 7399043 Compensation for uneven printhead module lengths in a multi-module printhead

US Patent 7401879 Liquid ejection apparatus

US Patent 7401905 Ink-jet head with ink blockage prevention device

US Patent 7404620 Inkjet printer having thermally stable modular printhead

US Patent 7407245 Printing apparatus, printing method, computer program, and computer system for detecting skew of printing medium

US Patent 7407251 Printing method, computer-readable medium, printing apparatus, printing system, and pattern for correction

US Patent 7407254 Droplet discharge inspection apparatus and method

US Patent 7407277 Inkjet recording apparatus

US Patent 7407279 Image forming apparatus and cleaning method thereof

US Patent 7410231 Pen voltage regulator for inkjet printers

US Patent 7410232 Ink-droplet ejecting apparatus

US Patent 7413279 Inkjet printer

US Patent 7413297 Full liquid version of ink jet cassette for use with ink jet printer

US Patent 7416267 Print job data processing for multi-head printers

US Patent 7419232 Inkjet printer

US Patent 7419258 Electronic device having detachable controller

US Patent 7422298 Inkjet recording apparatus and recording method

US Patent 7422310 Methods and apparatus for selecting image enhancement techniques

US Patent 7422311 Liquid transport head and liquid transport apparatus provided with the same

US Patent 7427127 Head cartridge and liquid-ejecting apparatus

US Patent 7431414 Printer-control apparatus, printer-control method and printer

US Patent 7431439 Liquid supply device and recording apparatus incorporating the same

US Patent 7434902 Printheads and systems using printheads

US Patent 7438372 Driver device for recording head

US Patent 7441849 Droplet ejection apparatus

US Patent 7441855 Ink jet recording apparatus, method of controlling the apparatus, and recording medium having the method recorded thereon

US Patent 7441857 Image forming apparatus

US Patent 7441861 Ink-jet recording apparatus

US Patent 7441880 Common inkjet printer cradle for pagewidth printhead printer cartridge

US Patent 7448709 Printing head, image printing apparatus using the same, and control method therefor

US Patent 7448721 Inkjet printing apparatus and inkjet printing method

US Patent 7452050 Head substrate, printhead, head cartridge, and printing apparatus using the printhead or head cartridge

US Patent 7455390 Printhead assembly with a mounting channel having a silicon core

US Patent 7458670 Cloth printing apparatus

US Patent 7467839 Printer controller with equalised data supply rate to multi-color printhead ICS

US Patent 7467847 Printing apparatus and method

US Patent 7469983 Drop size control

US Patent 7472977 Printing apparatus and printing method

US Patent 7475961 Easy assembly pagewidth printhead capping arrangement

US Patent 7475963 Printing cartridge having commonly mounted printhead and capper

US Patent 7478893 Liquid ejection control method and liquid ejection apparatus

US Patent 7478896 Ink jet head

US Patent 7478897 Ink jet printer and method of wiping an ink discharging plane

US Patent 7481513 Maintenance device for inkjet cartridge

US Patent 7484827 Image forming method and apparatus, and a recording medium storing a program for performing an image forming method

US Patent 7490919 Fluid-dispensing devices and methods

US Patent 7490925 Free flow fluid delivery system for printing device

US Patent 7494201 System and method for reducing printing errors by limiting the firing frequency of a print head

US Patent 7497543 Liquid ejection apparatus and ejection abnormality factor extraction method

US Patent 7500727 Ink jet printing apparatus and ink jet printing method

US Patent 7500731 Printer and print control method

US Patent 7500737 Free flow fluid delivery system for printing device

US Patent 7503639 Ink-jet printer

US Patent 7503647 Liquid sensor and liquid container including the sensor

US Patent 7506971 Fluid delivery system for printing device

US Patent 7510253 Image forming device and image forming method

US Patent 7510257 Ink level detecting device functioning as cover opening sensor and ink-jet image forming apparatus having the same

US Patent 7510259 Calibrating turn-on energy of a marking device

US Patent 7510265 Ink-jet image forming apparatus and method of cleaning printbar

US Patent 7513583 Printing apparatus

US Patent 7513593 Inkjet printer assembly having controller responsive to cartridge performance

US Patent 7513598 Inkjet printer cradle with integrated reader circuit

US Patent 7513616 Apparatus, method and ink jet printer for utilizing reflected light from printing media to determine printing media material

US Patent 11186081 Current leakage test of a fluid ejection die

US Patent 11186100 Image processing apparatus and non-transitory computer readable medium

US Patent 11186107 Method of printing on media of a given media type

US Patent 7517033 Ink supply control apparatus, ink jet printer and method of controlling ink supply

US Patent 7517037 Method for controlling nozzle firing in overlapped printhead segments

US Patent 7517040 Liquid ejection apparatus with plural heating elements

US Patent 7520584 Recording apparatus, and feed control method of recording medium in the apparatus

US Patent 7524025 Inkjet printer

US Patent 7524034 Heat dissipation within thermal ink jet printhead

US Patent 7527371 Ink jet printing apparatus and method for controlling ink jet printing apparatus

US Patent 7528852 Method of differentiating types of heat sensitive paper

US Patent 7530653 Recording head and recorder comprising such recording head

US Patent 7530654 Liquid ejection apparatus, liquid ejection method, and printing system

US Patent 7530662 Driven mechanism with an air compressor for a printer cradle unit

US Patent 7530676 Piezoelectric element, inkjet head, angular velocity sensor, methods for manufacturing them and inkjet recording device

US Patent 7533951 Method of generating halftone print data for consecutive printhead segments including overlapping end portions

US Patent 7533958 Service station system for an inkjet printer

US Patent 7537299 Liquid ejection apparatus, drive signal application method, and liquid ejection method

US Patent 7537304 Apparatus and methods for color sensor calibration in a multi-die printer

US Patent 7540579 Controller for multi-color, multi-length printhead ICS

US Patent 7543911 Systems and methods for reducing cross process direction registration errors of a printhead using a linear array sensor

US Patent 7543924 Printhead assembly

US Patent 7543928 Inkjet image forming apparatus and method of performing high resolution printing using a multi-pass method

US Patent 7547082 Ink cartridge including a unit to sense a remaining amount of ink

US Patent 7547092 Method for facilitating the upgrade of an inkjet printer

US Patent 7547093 Pagewidth printhead thermal assembly for supporting printhead modules

US Patent 7549720 Ink-jet recording device and ink-jet recording control method

US Patent 7552993 Ink jet printing apparatus and preliminary ejecting method

US Patent 7552994 Print-head maintenance device for use in an inkjet printer

US Patent 7556326 Ink level sensor and method of use

US Patent 7556327 Charge leakage prevention for inkjet printing

US Patent 7556334 Methods and apparatus for aligning print heads

US Patent 7556335 Print-control method, printing system, and print-control apparatus

US Patent 7556337 System and method for evaluating line formation in an ink jet imaging device to normalize print head driving voltages

US Patent 7556338 Jetting timing determining method and liquid-droplet jetting method

US Patent 7556345 Image recording apparatus and method for recording an image on a recording medium

US Patent 7556346 Laminated pagewidth printhead thermal support assembly

US Patent 7556363 Ink remainder detecting module for ink jet apparatus, ink container with same and ink jet apparatus

US Patent 7559615 Inkjet device and method

US Patent 7559627 Apparatus, system, and method for electrorheological printing

US Patent 7562954 Inkjet printer

US Patent 7568782 Liquid ejection apparatus and image forming apparatus

US Patent 7571974 Calibration of multi-die printer

US Patent 7572004 Print engine with chassis ink channels between printhead and cartridge

US Patent 7575290 Motor vehicle entertainment unit with a printer

US Patent 7575292 Printhead having digital circuit and analog circuit, and printing apparatus using the same

US Patent 7575293 Dual drop printing mode using full length waveforms to achieve head drop mass differences

US Patent 7575301 Image forming apparatus and image forming method

US Patent 7575310 Ink cartridge attachment/detachment device, recording apparatus, and liquid ejection apparatus

US Patent 7578574 Ink-jet recording apparatus

US Patent 7578591 Filing, identifying, validating, and servicing tip for fluid-ejection device

US Patent 7581810 Inkjet recording apparatus and maintenance method thereof

US Patent 7581811 Inkjet printer

US Patent 7581813 Ink-jet recording apparatus

US Patent 7581815 Printhead assembly with two-material supporting structure

US Patent 7585038 Inkjet printing method and inkjet printing apparatus

US Patent 7585044 Method for normalizing a printhead assembly

US Patent 7588304 Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus

US Patent 7588309 Image forming apparatus

US Patent 7591519 Liquid droplet ejection apparatus and image forming apparatus

US Patent 7591521 Image forming apparatus and method

US Patent 7591526 Liquid ejecting apparatus and method for adjusting positions of nozzle rows

US Patent 7593684 Systems and methods for medium registration

US Patent 7594711 Recording apparatus

US Patent 7594712 Ink-jet printer

US Patent 7594769 Method and system for protecting a print head in a content applicator and reader

US Patent 7597419 Directionally dependent carrier isolator for an imaging apparatus

US Patent 7600834 Inkjet printer with carbon copy capability

US Patent 7600844 Ink jet printer in which a best test pattern printed in a recording medium is automatically selected

US Patent 7600847 Printing apparatus and method for determining amount of printing material

US Patent 7600859 Inkjet printhead and manufacturing method thereof

US Patent 7604312 Fluid ejection device with feedback circuit

US Patent 7607750 Pump control mechanism, printer incorporating the same, and pump control method

US Patent 7607760 Ink-jet printing head having a plurality of actuator units and/or a plurality of manifold chambers

US Patent 7607771 Ink cartridges

US Patent 7611215 Inkjet printer system having equalised control of multi-length printhead ICS

US Patent 7611224 Connection unit for connecting and holding belt and carriage, recording apparatus and liquid ejecting apparatus

US Patent 7614721 Wiper device of liquid ejection apparatus

US Patent 7614727 Liquid ejection head, manufacturing method thereof, and image forming apparatus

US Patent 7618105 Liquid sensor and liquid container including the sensor

US Patent 7618110 Inkjet printhead with overlapping segments and temperature sensors

US Patent 7618121 Compact printhead assembly

US Patent 7618133 Ink tank and recording apparatus

US Patent 7621621 Ink jet printing apparatus

US Patent 7625056 Device and method for driving jetting head

US Patent 7625060 Cartridge, printing apparatus, and method of transmitting information to and from cartridge

US Patent 7625064 Liquid droplet ejection apparatus, method for manufacturing electro-optic device, electro-optic device, and electronic equipment

US Patent 7625078 Ink cartridge, ink cartridge unit and inkjet printing head

US Patent 7630782 Ink-jet pocket printing

US Patent 7637579 Ink-jet printer, and method for attaching ink cartridge

US Patent 7637580 Methods and apparatus for a high resolution inkjet fire pulse generator

US Patent 7637586 Array type inkjet printer and method for determining condition of nozzles thereof

US Patent 7637604 Ink-jet printing process and ink-jet inks used therein

US Patent 7641300 Liquid ejection head and image forming apparatus

US Patent 7641306 Wiper blade member for ink jet recording head, ink jet recording apparatus having wiper blade and ink jet recording method

US Patent 7645014 Infrared light absorbent dye

US Patent 7645015 Determining drop weight

US Patent 7648218 Printer operable as a plurality of kinds of devices and control method therefor

US Patent 7648224 Inkjet recording apparatus

US Patent 7648226 Printhead assembly having interconnected printhead modules

US Patent 7651184 Liquid droplet ejecting apparatus

US Patent 7651186 Method of controlling ink jet recording apparatus

US Patent 7654627 Inkjet recording apparatus and method for processing recording data

US Patent 7654631 Method of calculating threshold value, and liquid ejecting apparatus operable to execute the same

US Patent 7658463 Printhead maintenance assembly comprising first and second rollers

US Patent 7658489 Image forming apparatus and image forming method

US Patent 7661781 Liquid ejection head and image forming apparatus

US Patent 7661782 Current control circuit for micro-fluid ejection device heaters

US Patent 7661808 Image recording method and image recording apparatus employing the same

US Patent 7663653 Optical head and image forming apparatus incorporating the same

US Patent 7665816 Image output device with an injector

US Patent 7665817 Double reflex printing

US Patent 7665821 Inkjet printer and maintenance method thereof

US Patent 7669947 Industrial ink jet print head system

US Patent 7669963 Multi-carriage printing device and method

US Patent 7669992 Liquid container and inkjet recording apparatus

US Patent 7671880 Optical disk labeling system and method

US Patent 7673977 Ink cartridge and ink filling apparatus

US Patent 7673979 Ink-jet printing device including a microwave heating device

US Patent 7677683 Recording apparatus

US Patent 7677687 Printer including overlapping elongate printheads

US Patent 7681967 Ink refill unit having control information stored thereon to control the refilling process

US Patent 7681968 Ink level detecting apparatus of an ink-jet printer

US Patent 7681971 Ink jet apparatus

US Patent 7681974 Recording apparatus and method

US Patent 7681977 Temperature detection circuit for recording head and recording device therewith

US Patent 7686407 Printing method, printing system, and storage medium having program recorded thereon

US Patent 7690751 Recording head and recording apparatus, and inspection apparatus of recording head and method thereof

US Patent 7690758 Head cleaning device

US Patent 7695083 Printing apparatus and method of determining amount of printing material

US Patent 7695090 Ink jet printing apparatus, method for determining print medium, and method for determining ink ejection amount

US Patent 7695094 Shield assembly for ink jet printing

US Patent 7695098 Printhead maintenance system comprising disposable sheet feed

US Patent 7695119 Liquid discharging head and liquid discharging apparatus

US Patent 7695124 Inkjet printer and a hose for use in the inkjet printer

US Patent 7699420 Voltage control device, voltage control method, and liquid injection device

US Patent 7699422 Universal inkjet printer device and methods

US Patent 7699427 Detection of a print recording material reservoir

US Patent 7699435 Uniquely spaced markings

US Patent 7703868 Method for detecting printing material amounts in printing material container attached to printer

US Patent 7703879 Ink jet recording apparatus

US Patent 7703881 Print head cleaning member

US Patent 7703883 Ink jet recording apparatus

US Patent 7703892 Printhead integrated circuit having suspended heater elements

US Patent 7712855 Universal inkjet printer device and methods

US Patent 7712857 Printing apparatus, printing method, program, storage medium, and computer system

US Patent 7712861 Image forming apparatus and droplet ejection correction method

US Patent 7712890 Image forming apparatus and image forming method

US Patent 7717528 Recording apparatus

US Patent 7717533 Systems and methods for medium registration

US Patent 7717549 Mounting structure for a printhead

US Patent 7722145 Ink jet head driving apparatus and ink jet head driving method

US Patent 7722146 Printing system having controlled multi-length printhead ICS

US Patent 7722172 Printing cartridge with radio frequency identification

US Patent 7726774 Image forming device capable of stably supporting carriage

US Patent 7726779 Printhead assembly having electrical connector assemblies

US Patent 7731320 Ink jet recording apparatus and recording method therefor

US Patent 7731329 Drum-mounted roller spittoon system and method

US Patent 7731330 Position detecting device, liquid ejecting apparatus and method of detecting smear of scale

US Patent 7735955 Method of assembling printhead capping mechanism

US Patent 7735982 Digital photofinishing system cartridge

US Patent 7744183 Method of generating halftone print data for overlapping consecutive printhead segments

US Patent 7744186 Recording apparatus and transport method

US Patent 7748811 Liquid jet apparatus

US Patent 7748821 Ink-jet printer

US Patent 7748838 Inkjet drawing method and inkjet drawing device

US Patent 7753471 Printing mechanism and method

US Patent 7753480 Image forming apparatus and image scanner

US Patent 7758142 High volume pagewidth printing

US Patent 7758146 Systems and methods for compensating for streaks in images

US Patent 7762646 Head substrate, printhead, head cartridge, and printing apparatus using the printhead or head cartridge

US Patent 7762654 Liquid container

US Patent 7766438 Method of ink evaporation prediction for an ink reservoir

US Patent 7766439 Recording apparatus

US Patent 7766443 Image forming apparatus, method of compensating for error of conveyance distance of recording medium in the same and computer readable medium provided in the same

US Patent 7766453 Printhead with overlapping arrays of nozzles

US Patent 7766464 Piezoelectric element, piezoelectric actuator, ink jet recording head, ink jet printer, surface acoustic wave element, frequency filter, oscillator, electronic circuit, thin film piezoelectric resonator, and electronic apparatus

US Patent 7766472 Inkjet drawing device and inkjet drawing method

US Patent 7766473 Inkjet recording device and inkjet recording

US Patent 7775620 Substrate for ink jet recording head, driving control method, ink jet recording head, and ink jet recording apparatus

US Patent 7775627 Inkjet printer assembly

US Patent 7775647 Liquid container, head cartridge, ink jet printing apparatus, and stirring method for liquid container

US Patent 7780260 Inkjet printer and capping method

US Patent 7780276 System for refilling inkjet cartridges

US Patent 7780286 Image forming apparatus and image forming method

US Patent 7780287 Printing method and printer

US Patent 7784892 Printer and method of controlling the same

US Patent 7794049 Multi-chip printhead unit for a pagewidth printer

US Patent 7798589 Image forming apparatus, image processing apparatus, and control method therefor

US Patent 7798599 Fluid-ejection device service station

US Patent 7798604 Inkjet printer and inkjet printing method

US Patent 7798613 Pagewidth printhead assembly

US Patent 7800638 Platemaking apparatus

US Patent 7802869 Printer and printing method

US Patent 7806492 Printhead and printing apparatus

US Patent 7806495 Head substrate, printhead, head cartridge, and printing apparatus

US Patent 7806497 Printing method, computer-readable medium, and printing apparatus

US Patent 7806498 Printhead arrangement having overlapping print regions

US Patent 7806507 Liquid ejection apparatus, capping device, and installation device for liquid absorber

US Patent 7810894 Hybrid printing device

US Patent 7810899 Inkjet printer and printing head capping method

US Patent 7810900 Liquid ejection apparatus

US Patent 7810906 Printhead assembly incorporating heat aligning printhead modules

US Patent 7815270 Printer cradle for various print speed printheads

US Patent 7815273 Fluid ejection device

US Patent 7819491 Ink jet head driver

US Patent 7819497 Ink jet printing apparatus and method for selecting print mode

US Patent 7819498 Methods and systems using printhead tank memory to determine printhead tank configuration

US Patent 7824005 Liquid ejection device

US Patent 7824006 Image forming apparatus and method to operatively control the same

US Patent 7828404 Ink jet printer, method of controlling an ink jet printer, and computer program product for an ink jet printer

US Patent 7828408 Liquid ejection apparatus

US Patent 7832818 Inkjet pen with proximity interconnect

US Patent 7832821 Inkjet printing apparatus

US Patent 7832836 Ink jet printing apparatus and ink jet printing method

US Patent 7837289 Method of printing with overlapped segements of printhead

US Patent 7837290 Continuous web printing system alignment method

US Patent 7841680 Ink jet printing apparatus and ink jet printing method

US Patent 7841690 Image recording apparatus

US Patent 7841693 Tube pump, liquid ejecting apparatus, and method of driving tube pump

US Patent 7841711 Liquid container and liquid supplying system

US Patent 7845752 Liquid-discharge-failure detecting apparatus and inkjet recording apparatus

US Patent 7845755 Printhead integrated circuit attachment film having differentiated adhesive layers

US Patent 7850268 Recording method and recording apparatus

US Patent 7854490 System and method for evaluating line formation in an ink jet imaging device to normalize print head driving voltages

US Patent 7857406 Inkjet head driving apparatus and driving method

US Patent 7857407 Image forming apparatus

US Patent 7857410 Printer controller for controlling an ink dot size

US Patent 7857417 Printhead assembly with a wicking element

US Patent 7857419 Image recording apparatus

US Patent 7857421 Liquid droplet ejection apparatus, method for manufacturing electro-optic device, electro-optic device, and electronic equipment

US Patent 7862136 Inkjet printer system with interchangeable printhead cartridges and cradles

US Patent 7862141 Liquid-discharge-failure detecting apparatus and inkjet recording apparatus

US Patent 7862142 Ink jet head

US Patent 7862145 Printing apparatus and method of controlling the same

US Patent 7862164 Ink jet recording apparatus and recording method therefor

US Patent 7866779 Defective nozzle replacement in a printer

US Patent 7866781 Method and apparatus to check piezoelectric inkjet head

US Patent 7866784 Diagnostic probe assembly for printhead integrated circuitry

US Patent 7866787 Maintenance unit for droplet ejecting device

US Patent 7871142 Systems and methods for controlling ink jet pens

US Patent 7871159 Ink loader with adjustable insertion openings

US Patent 7872663 Light emitting device, image processing device, and electronic apparatus

US Patent 7874632 Ink jet printer

US Patent 7874658 Liquid injection apparatus and method for driving the same

US Patent 7878623 Inkjet recording apparatus with multiple capping positions

US Patent 7878624 Image forming apparatus

US Patent 7878627 Printhead assembly having printhead recessed in channel body

US Patent 7878629 Stackable printer module with two pairs of printheads

US Patent 7883171 Liquid discharging apparatus

US Patent 7883173 Height-adjustable printing system with single-use inkjet cartridge

US Patent 7883192 Inkjet printer cradle

US Patent 7883193 Liquid container, head cartridge, ink jet printing apparatus, and stirring method for liquid container

US Patent 7883201 Image forming apparatus and image forming method

US Patent 7887153 Liquid discharging apparatus

US Patent 7887171 Printer cradle for receiving an ink cartridge with a gear assembly

US Patent 7889221 Optical scanning apparatus

US Patent 7891755 System and method for imaging ink supplies in a printer

US Patent 7891767 Modular self-capping wide format print assembly

US Patent 7896453 Recording apparatus

US Patent 7901038 Printhead assembly incorporating heat aligning printhead modules

US Patent 7901044 Printhead having flexible controller connections

US Patent 7901053 Inkjet printer having thermally stable modular printhead

US Patent 7905570 Inkjet heads

US Patent 7905584 Image forming apparatus and image forming method

US Patent 7909440 Liquid container

US Patent 7914106 Recording head and recording apparatus, and inspection apparatus of recording head and method thereof

US Patent 7914110 Purging fluid from fluid-ejection nozzles by performing spit-wipe operations

US Patent 7914120 Modular printhead incorporating a capping device

US Patent 7914123 Inkjet printhead and manufacturing method thereof

US Patent 7918529 Liquid ejecting apparatus and method for adjusting positions of nozzle rows

US Patent 7918535 Printhead having interconnected and sealed modules

US Patent 7918547 Liquid storage container and ink jet recording apparatus

US Patent 7922271 Label printer

US Patent 7922278 Image printing apparatus and method for calibrating image printing apparatus

US Patent 7922282 Cap apparatus for liquid jetting head and liquid jetting apparatus

US Patent 7922283 Printhead capping mechanism having multiple gear assemblies and method of assembling same

US Patent 7922318 Inkjet recording apparatus

US Patent 7926932 Image forming apparatus and printing control method

US Patent 7931349 Liquid ejecting apparatus

US Patent 7931350 Waste liquid tank, liquid ejection device, and image forming apparatus

US Patent 7931352 Liquid discharge head and method for manufacturing the same

US Patent 7934789 Drive mechanism of printhead cradle

US Patent 7934792 Liquid container

US Patent 7938498 Inkjet printhead with overlapping segments

US Patent 7942489 Liquid emitting apparatus and method

US Patent 7942490 Ink jet printer, method of controlling an ink jet printer, and computer program product for an ink jet printer

US Patent 7942491 Serial recording apparatus and method of feeding recording medium

US Patent 7942494 Liquid-discharge-failure detecting apparatus, and inkjet inkjet recording apparatus

US Patent 7946675 Liquid ejecting apparatus and ejection inspecting method

US Patent 7950772 Printhead assembly having supporting structure of alternating materials

US Patent 7954919 Printer including dot data generator with stochastically ramped print data

US Patent 7954922 Ink jet recording apparatus

US Patent 7954934 Ink-jet printing apparatus and ink cartridge therefor

US Patent 7959243 Printhead, head cartridge, and printing apparatus employing either of same

US Patent 7959250 Method and apparatus to detect print location error using print dots

US Patent 7959254 Liquid ejection apparatus, capping device, and installation device for liquid absorber

US Patent 7959272 Print cartridge assembly with ink storage reservoirs and print media

US Patent 7959281 Simultaneous duplex digital printer

US Patent 7961207 Image generating apparatus

US Patent 7963624 Sheet conveying apparatus, printing apparatus, correction information acquiring apparatus, printing system, method of conveying sheets and method of acquiring correction information

US Patent 7963629 Ejection status determining method for inkjet printing head

US Patent 7967407 Use of a sense mark to control a printing system

US Patent 7967408 Printer and printing method

US Patent 7967411 Liquid ejecting apparatus, wiping method of liquid ejecting head, and printing apparatus

US Patent 7971991 Apparatus and methods for handling materials in a 3-D printer

US Patent 7976114 Inkjet printer with carbon copy capability

US Patent 7976116 Inkjet printer system having equalised control of different nozzle count printhead ICs

US Patent 7980673 Inkjet nozzle assembly with low density suspended heater element

US Patent 7980683 Inkjet printer with ink recycling amount changing units

US Patent 7984961 Ink-jet type image recording apparatus and purge mechanism

US Patent 7984963 Printhead purging system with hammer action

US Patent 7988256 Web

US Patent 7992957 Method of inspecting the nozzle discharge state, a discharge state inspection method, and a fluid discharge device

US Patent 7992960 Non-user-initiated preventative maintenace modes for inkjet-printing device

US Patent 7992986 Method for increasing printhead reliability

US Patent 8002378 Nozzle testing apparatus, nozzle testing method, and test program

US Patent 8002380 Cartridge-information detecting device

US Patent 8002383 Liquid ejection apparatus and image forming apparatus

US Patent 8002384 Printing cartridge mounted with adhesively sealant film

US Patent 8002398 Ink jet ink cartridge with vented wick

US Patent 8007070 Ink-jet printer and maintenance method for ink-jet printer

US Patent 8011751 Inkjet printer and recovery method for a print head

US Patent 8011752 Image recording apparatus

US Patent 8011755 Molded ink manifold with polymer coating