Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shingo Hattori0
Tomohiro Kanbe0
Toyonori Sasaki0
Date of Patent
September 27, 2011
0Patent Application Number
115292420
Date Filed
September 29, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An ink cartridge includes an ink chamber including one or more walls, and the one more walls include a film. The ink cartridge also includes one or more ribs disposed within the ink chamber. Specifically, the one or more ribs contact the film of the one or more walls, and a portion of the one or more ribs is positioned closer to a center of the ink chamber than to an edge of the ink chamber.
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