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Keisuke Kawabata
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Heater for heating a fixing rotator of a fixing device and image fo...
Patent number
9,599,941
Issue date
Mar 21, 2017
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus having temperature detector
Patent number
9,310,735
Issue date
Apr 12, 2016
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,285,737
Issue date
Mar 15, 2016
Ricoh Company, Ltd.
Yasunori Ishigaya
G01 - MEASURING TESTING
Information
Patent Grant
Fixing device, belt device, and image forming apparatus
Patent number
9,223,268
Issue date
Dec 29, 2015
Ricoh Company, Ltd.
Yoshiki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,176,440
Issue date
Nov 3, 2015
Ricoh Company, Ltd.
Haruyuki Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including a cleaning roller with a resistan...
Patent number
9,110,432
Issue date
Aug 18, 2015
Ricoh Company, Ltd.
Hiroshi Ono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150177659
Publication date
Jun 25, 2015
RICOH COMPANY, LTD.
Yasunori Ishigaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20150177655
Publication date
Jun 25, 2015
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150078768
Publication date
Mar 19, 2015
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, BELT DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20150071688
Publication date
Mar 12, 2015
Yoshiki YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150050046
Publication date
Feb 19, 2015
Haruyuki Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140294473
Publication date
Oct 2, 2014
Hiroshi ONO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY