Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsunori Nishida0
Date of Patent
December 7, 2010
0Patent Application Number
118916030
Date Filed
August 10, 2007
0Patent Primary Examiner
Patent abstract
Two yellow buffer tanks communicate with each other through a communication portion so that yellow ink in the yellow ink cartridge is supplied to two nozzle arrays for yellow ink independently provided apart from each other. In the ink outlet provided in each of the yellow buffer tanks, a check valve is provided that allows supply of yellow ink to the corresponding nozzle array and inhibits an ink flow in the opposite direction.
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