US Patent 7404619 Image forming apparatus
Patent 7404619 was granted and assigned to RICOH COMPANY,LTD. on July, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Tetsuya Kaneko0
Tomohiro Tamai0
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Patent abstract
An image forming apparatus for forming an image on a recording medium by ejecting drops of recording fluid from a recording head includes a waste tank having a space for containing waste fluid, a part for obtaining a correlation value that has a correlation to a deposited state of the waste fluid in the space within the waste tank, and a part for judging whether or not the correlation value exceeds a reference value.
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US Patent 07404619 Image forming apparatus US Patent 7404619 Image forming apparatus
Infobox
Patent Number
074046190
Patent Number
74046190
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Current Assignee
0
Patent Jurisdiction
Patent Number
074046190
Date of Patent
July 29, 2008
0Patent Application Number
105876120
Date Filed
December 1, 2005
0Official Website
Patent Primary Examiner
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US Patent 07404619 Image forming apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07404619
Date of patent
July 29, 2008
Patent application number
10587612
Date Filed
December 1, 2005
Patent primary examiner
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