Ahmed Sefer

US Patent 7378703 Semiconductor device having step gates and method for fabricating the same

US Patent 7388228 Display device and method of manufacturing the same

US Patent 7394124 Dynamic random access memory device

US Patent 7397065 Organic electroluminescent device and fabrication methods thereof

US Patent 7402855 Split-channel antifuse array architecture

US Patent 7405445 Semiconductor structure and method for ESD protection

US Patent 7407897 Capacitor of analog semiconductor device having multi-layer dielectric film and method of manufacturing the same

US Patent 7408235 Quantum coherent switch utilizing commensurate nanoelectrode and charge density periodicities

US Patent 7413955 Transistor for memory device and method for manufacturing the same

US Patent 7417252 Flat panel display

US Patent 7417302 Semiconductor device and method of manufacturing the same

US Patent 7420262 Electronic component and semiconductor wafer, and method for producing the same

US Patent 7423307 CMOS image sensor and method for fabricating the same

US Patent 7427804 Optoelectronic semiconductor device and light signal input/output device

US Patent 7435999 Semiconductor chip for optoelectronics and method for the production thereof

US Patent 7439146 Field plated resistor with enhanced routing area thereover

US Patent 7439574 Silicon/oxide/nitride/silicon nonvolatile memory with vertical channels

US Patent 7442956 Organic EL device and electronic apparatus

US Patent 7442960 TFT, method of manufacturing the TFT, flat panel display having the TFT, and method of manufacturing the flat panel display

US Patent 7449724 Light-emitting device

US Patent 7456910 Liquid crystal display device and fabricating method thereof

US Patent 7456911 Semiconductor device

US Patent 7456926 Liquid crystal display device

US Patent 7459720 Single crystal wafer and solar battery cell

US Patent 7462869 Semiconductor light emitting device and semiconductor light emitting apparatus

US Patent 7462877 Nitride-based light emitting device, and method of manufacturing the same

US Patent 7462886 Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device

US Patent 7462888 Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device

US Patent 7462913 Semiconductor device having first and second separation trenches

US Patent 7470931 Thin film transistor and flat panel display using the same

US Patent 7470941 High power-low noise microwave GaN heterojunction field effect transistor

US Patent 7473930 Use of patterned CNT arrays for display purposes

US Patent 7476898 Thin film and manufacturing method of the same

US Patent 7476937 Semiconductor device and method of fabricating the same

US Patent 7482656 Method and structure to form self-aligned selective-SOI

US Patent 7485902 Nitride-based semiconductor light-emitting device

US Patent 7485932 ACCUFET with Schottky source contact

US Patent 7486366 Liquid crystal display device and method for fabricating the same

US Patent 7488982 Thin film transistor and manufacturing method thereof, and active matrix display device and manufacturing method thereof

US Patent 7491593 TFT array substrate and photo-masking method for fabricating same

US Patent 7492026 Light sensor located above an integrated circuit

US Patent 7504312 Stacked electrical resistor pad for optical fiber attachment

US Patent 7504655 Multilayer structures as stable hole-injecting electrodes for use in high efficiency organic electronic devices

US Patent 7531871 Power semiconductor switching element

US Patent 7541645 Metal oxide semiconductor (MOS) transistors having buffer regions below source and drain regions

US Patent 7544970 Semiconductor device and method of producing the same, and power conversion apparatus incorporating this semiconductor device

US Patent 7579625 CMOS image sensor and method for manufacturing the same

US Patent 7592684 Semiconductor device and method for manufacturing the same

US Patent 7659552 Optical lens and light emitting device using the same

US Patent 7667224 Semiconductor light emitting device and semiconductor light emitting apparatus

US Patent 7692191 Top-emitting organic light emitting device

US Patent 7705364 Nitride semiconductor light emitting device

US Patent 7713766 Light sensor located above an integrated circuit

US Patent 7723815 Wafer bonded composite structure for thermally matching a readout circuit (ROIC) and an infrared detector chip both during and after hybridization

US Patent 7754544 Dynamic random access memory cell and manufacturing method thereof

US Patent 7826028 Liquid crystal display device

US Patent 7838884 Display device and fabrication method of display device

US Patent 7842960 Light emitting packages and methods of making same

US Patent 7872318 Sensing devices and methods for forming the same

US Patent 7884399 Semiconductor device and method of fabricating the same

US Patent 7897979 Light emitting device and manufacturing method thereof

US Patent 7902618 Backside illuminated imaging sensor with improved angular response

US Patent 7923730 Thin film transistor and semiconductor device

US Patent 7939349 Nitride-based semiconductor light emitting device and manufacturing method thereof

US Patent 7947993 Light emitting device having isolating insulative layer for isolating light emitting cells from each other and method of fabricating the same

US Patent 7956358 I-shaped phase change memory cell with thermal isolation

US Patent 7973312 Semiconductor device and method of fabricating the same

US Patent 7985976 Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same

US Patent 7989812 EL display device and a method of manufacturing the same

US Patent 8004063 Precision high-frequency capacitor formed on semiconductor substrate

US Patent 8008646 Light emitting diode