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Hiroyasu Itou
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Tokyo, JP
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last 30 patents
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Patent Grant
Recycling system and recycling method
Patent number
6,529,788
Issue date
Mar 4, 2003
Ricoh Company, Ltd.
Tatsuo Tani
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Recyclable toner container for an image forming apparatus
Patent number
5,983,059
Issue date
Nov 9, 1999
Ricoh Company, Ltd.
Seiji Oka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming method and color image forming apparatus practi...
Patent number
5,765,087
Issue date
Jun 9, 1998
Ricoh Company, Ltd.
Hidetoshi Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY