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Ryuichi KIKEGAWA
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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus to control supply of even abnormal levels o...
Patent number
10,007,221
Issue date
Jun 26, 2018
Ricoh Company, Ltd.
Ryuichi Kikegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
8,953,992
Issue date
Feb 10, 2015
Ricoh Company, Limited
Ayako Mito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fusing device and image forming apparatus which turns on an edge he...
Patent number
8,019,247
Issue date
Sep 13, 2011
Ricoh Company, Ltd.
Ayako Mito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,565,087
Issue date
Jul 21, 2009
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,551,869
Issue date
Jun 23, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for supplying power, and fixing and image forming apparatuses
Patent number
7,515,845
Issue date
Apr 7, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device for fixing an image, image forming apparatus includin...
Patent number
7,366,432
Issue date
Apr 29, 2008
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,356,270
Issue date
Apr 8, 2008
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,343,113
Issue date
Mar 11, 2008
Ricoh Company, Ltd.
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, image forming apparatus including the fixing device,...
Patent number
7,333,743
Issue date
Feb 19, 2008
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method to supply power to a fixing device
Patent number
7,308,216
Issue date
Dec 11, 2007
Ricoh Company, Ltd.
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CONTROL METHOD OF IMAGE FORMING APPARATUS
Publication number
20170336741
Publication date
Nov 23, 2017
Ryuichi KIKEGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTROL METHOD OF IMAGE FORMING APPARATUS
Publication number
20170336740
Publication date
Nov 23, 2017
Ryuichi KIKEGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20170131663
Publication date
May 11, 2017
RICOH COMPANY, LTD.
Ryuichi KIKEGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20130236220
Publication date
Sep 12, 2013
RICOH COMPANY, LIMITED
Ayako MITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FUSING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090196643
Publication date
Aug 6, 2009
Ayako MITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE,...
Publication number
20080145088
Publication date
Jun 19, 2008
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and method to supply power to a fixing device
Publication number
20060127118
Publication date
Jun 15, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Condenser type fixing and image forming apparatuses
Publication number
20060051111
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051120
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051121
Publication date
Mar 9, 2006
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051112
Publication date
Mar 9, 2006
Susumu Matsusaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method for supplying power, and fixing and image forming apparatuses
Publication number
20060051119
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060051113
Publication date
Mar 9, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus including the fixing device,...
Publication number
20060039713
Publication date
Feb 23, 2006
Kazuhito Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY