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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrophotographic photoconductor and electrophotographic apparatus
Patent number
8,263,297
Issue date
Sep 11, 2012
Ricoh Company, Ltd.
Takaaki Ikegami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,097,393
Issue date
Jan 17, 2012
Ricoh Company, Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, and image forming apparatus, pr...
Patent number
8,007,972
Issue date
Aug 30, 2011
Ricoh Company, Ltd.
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image bearing member, and image forming appara...
Patent number
7,851,114
Issue date
Dec 14, 2010
Ricoh Company Limited
Akihiro Sugino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, image forming method, image form...
Patent number
7,781,134
Issue date
Aug 24, 2010
Ricoh Company, Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image bearer, and image forming method, image...
Patent number
7,531,278
Issue date
May 12, 2009
Ricoh Company, Ltd.
Akihiro Sugino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming process, and process cartrid...
Patent number
7,391,994
Issue date
Jun 24, 2008
Ricoh Company, Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and method or preparing the toner
Patent number
7,374,848
Issue date
May 20, 2008
Ricoh Company, Limited
Sonoh Matsuoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, method for manufacturing the toner, developer including the...
Patent number
7,348,117
Issue date
Mar 25, 2008
Ricoh Company Limited
Ryohta Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, method for manufacturing the toner, developer including the...
Patent number
7,348,121
Issue date
Mar 25, 2008
Ricoh Company Limited
Ryohta Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, electrophotographic process, el...
Patent number
7,314,693
Issue date
Jan 1, 2008
Ricoh Company, Ltd.
Takaaki Ikegami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer for electrostatic development, production there...
Patent number
7,306,887
Issue date
Dec 11, 2007
Ricoh Company, Ltd.
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, method for manufacturing...
Patent number
7,294,442
Issue date
Nov 13, 2007
Ricoh Company Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming method and process cartridge for image form...
Patent number
7,235,338
Issue date
Jun 26, 2007
Ricoh Company, Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus used in electrostatic process
Patent number
7,212,777
Issue date
May 1, 2007
Ricoh Company, Ltd.
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for image formation, method of producing the toner, toner con...
Patent number
7,208,256
Issue date
Apr 24, 2007
Ricoh Company, Ltd.
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, method for manufacturing...
Patent number
7,163,775
Issue date
Jan 16, 2007
Ricoh Company Limited
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, method of producing the toner, developer including the toner...
Patent number
7,056,635
Issue date
Jun 6, 2006
Ricoh Company, Ltd.
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for forming color image, image forming apparatus, and toner c...
Patent number
6,946,229
Issue date
Sep 20, 2005
Ricoh Company, Ltd.
Masanori Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
PROCESSING METHOD OF LIQUID
Publication number
20110036776
Publication date
Feb 17, 2011
Canon Kabushiki Kaisha
Hirohisa Fujita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20090136260
Publication date
May 28, 2009
Ricoh Company, Ltd,
Takaaki IKEGAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE
Publication number
20080032226
Publication date
Feb 7, 2008
Tsunemi Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20070231733
Publication date
Oct 4, 2007
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD FOR MANUFACTURING THE TONER, DEVELOPER INCLUDING THE...
Publication number
20070141506
Publication date
Jun 21, 2007
Ryohta Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...
Publication number
20070117033
Publication date
May 24, 2007
Akihiro SUGINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoconductor, and image forming apparatus, pr...
Publication number
20070059618
Publication date
Mar 15, 2007
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic image, method for manufacturing...
Publication number
20070042284
Publication date
Feb 22, 2007
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrostatic latent image bearer, and image forming method, image...
Publication number
20070015074
Publication date
Jan 18, 2007
Akihiro Sugino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrostatic latent image bearer, and image forming method, image...
Publication number
20060199092
Publication date
Sep 7, 2006
Akihiro Sugino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor, image forming method, image form...
Publication number
20060141378
Publication date
Jun 29, 2006
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20050201778
Publication date
Sep 15, 2005
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, image forming process, and process cartrid...
Publication number
20050130050
Publication date
Jun 16, 2005
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoconductor, electrophotographic process, el...
Publication number
20050118518
Publication date
Jun 2, 2005
Takaaki Ikegami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and developer for electrostatic development, production there...
Publication number
20050042534
Publication date
Feb 24, 2005
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, method for manufacturing the toner, developer including the...
Publication number
20050031980
Publication date
Feb 10, 2005
Ryohta Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for image formation, method of producing the toner, toner con...
Publication number
20050026066
Publication date
Feb 3, 2005
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and image forming method and process cartridge for image form...
Publication number
20050008961
Publication date
Jan 13, 2005
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic image, method for manufacturing...
Publication number
20050003291
Publication date
Jan 6, 2005
Takeshi Takada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and method of preparing the toner
Publication number
20040265721
Publication date
Dec 30, 2004
Sonoh Matsuoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, method of producing the toner, developer including the toner...
Publication number
20040142264
Publication date
Jul 22, 2004
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for forming color image, image forming apparatus, and toner c...
Publication number
20040121256
Publication date
Jun 24, 2004
Masanori Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic latent image
Publication number
20040115551
Publication date
Jun 17, 2004
RICOH COMPANY, LTD.
Tsunemi Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY