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Yutaka Nagasawa
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Roller replacement auxiliary tool of a fixing unit that protects a...
Patent number
8,611,791
Issue date
Dec 17, 2013
Ricoh Company, Ltd.
Kohji Tokuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Fixing device and image forming apparatus using the same
Publication number
20110222908
Publication date
Sep 15, 2011
RICOH COMPANY, LTD.
Sho Sawahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ROLLER REPLACEMENT AUXILIARY TOOL OF FIXING UNIT
Publication number
20110188883
Publication date
Aug 4, 2011
Kohji TOKUYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY