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Tadayuki Ohshima
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Conductive member, process cartridge, and image forming apparatus
Patent number
8,989,630
Issue date
Mar 24, 2015
Ricoh Company, Ltd.
Tadayuki Ohshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Conductive member evaluator and conductive member evaluation method
Patent number
8,912,784
Issue date
Dec 16, 2014
Ricoh Company, Ltd.
Tadayuki Ohshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Conductive member and process cartridge and image forming apparatus...
Patent number
7,151,904
Issue date
Dec 19, 2006
Ricoh Company, Ltd.
Yutaka Narita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CONDUCTIVE MEMBER EVALUATOR AND CONDUCTIVE MEMBER EVALUATION METHOD
Publication number
20120062208
Publication date
Mar 15, 2012
RICOH COMPANY, LTD.
Tadayuki OHSHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Conductive member and process cartridge and image forming apparatus...
Publication number
20050100365
Publication date
May 12, 2005
Yutaka Narita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY