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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cleaning unit, process cartridge, and image-forming apparatus
Patent number
7,415,236
Issue date
Aug 19, 2008
Ricoh Company, Ltd.
Tohru Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and method, image forming apparatus, and process ca...
Patent number
7,123,872
Issue date
Oct 17, 2006
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning apparatus, image forming apparatus, and process cartridge
Patent number
7,062,212
Issue date
Jun 13, 2006
Ricoh Company, Ltd.
Osamu Naruse
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
7,039,343
Issue date
May 2, 2006
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
7,003,248
Issue date
Feb 21, 2006
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with adjustable removal and developing nips
Patent number
6,999,701
Issue date
Feb 14, 2006
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus using the cleaning device
Patent number
6,987,944
Issue date
Jan 17, 2006
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
6,865,359
Issue date
Mar 8, 2005
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
6,829,460
Issue date
Dec 7, 2004
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
6,738,592
Issue date
May 18, 2004
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with adjustable removal and developing nips
Patent number
6,735,408
Issue date
May 11, 2004
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device, image forming unit and image forming device
Patent number
6,721,523
Issue date
Apr 13, 2004
Ricoh Company, Ltd.
Kenji Sugiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
6,640,073
Issue date
Oct 28, 2003
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, monocolor image forming apparatus, toner r...
Patent number
6,611,672
Issue date
Aug 26, 2003
Ricoh Company, Ltd.
Katsuhiro Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid and including an...
Patent number
6,115,576
Issue date
Sep 5, 2000
Ricoh Company, Ltd.
Tohru Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20050147423
Publication date
Jul 7, 2005
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20050041997
Publication date
Feb 24, 2005
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning apparatus, image forming apparatus, and process cartridge
Publication number
20040265024
Publication date
Dec 30, 2004
Osamu Naruse
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image formation apparatus, liquid development apparatus and wet-typ...
Publication number
20040197116
Publication date
Oct 7, 2004
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning unit, process cartridge, and image-forming apparatus
Publication number
20040197122
Publication date
Oct 7, 2004
Tohru Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20040190943
Publication date
Sep 30, 2004
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device and method, image forming apparatus, and process ca...
Publication number
20040105710
Publication date
Jun 3, 2004
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20040105702
Publication date
Jun 3, 2004
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Charging device, image forming unit and image forming device
Publication number
20030072587
Publication date
Apr 17, 2003
Kenji Sugiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20030059234
Publication date
Mar 27, 2003
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device and image forming apparatus using the cleaning device
Publication number
20030039494
Publication date
Feb 27, 2003
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image formation apparatus, liquid development apparatus and wet-typ...
Publication number
20020197083
Publication date
Dec 26, 2002
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20020098016
Publication date
Jul 25, 2002
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, monocolor image forming apparatus, toner r...
Publication number
20020051664
Publication date
May 2, 2002
Katsuhiro Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY