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Patents Grants
last 30 patents
Information
Patent Grant
Image processing apparatus, computer-readable storage medium, and i...
Patent number
8,849,067
Issue date
Sep 30, 2014
Ricoh Company, Limited
Fumihiro Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transfer device, method of transferring data, and image formin...
Patent number
8,838,862
Issue date
Sep 16, 2014
Ricoh Company, Limited
Fumihiro Sasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Toner, method for preparing the toner, and image forming method usi...
Patent number
8,455,169
Issue date
Jun 4, 2013
Ricoh Company, Limited
Daisuke Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
8,268,526
Issue date
Sep 18, 2012
Ricoh Company, Ltd.
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, image forming...
Patent number
8,211,605
Issue date
Jul 3, 2012
Ricoh Company, Ltd.
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation method
Patent number
7,939,235
Issue date
May 10, 2011
Ricoh Company Limited
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and toner for developing latent electrostatic...
Patent number
7,935,469
Issue date
May 3, 2011
Ricoh Company, Ltd.
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, toner production method, and image forming method
Patent number
7,741,002
Issue date
Jun 22, 2010
Ricoh Company, Ltd.
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
7,736,826
Issue date
Jun 15, 2010
Ricoh Company, Ltd.
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, and image forming apparatus using the fixing device
Patent number
7,702,271
Issue date
Apr 20, 2010
Ricoh Company Limited
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
7,608,377
Issue date
Oct 27, 2009
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixer and image forming apparatus
Patent number
7,587,161
Issue date
Sep 8, 2009
Ricoh Company, Ltd.
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing latent electrostatic image, container having t...
Patent number
7,531,281
Issue date
May 12, 2009
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and, developer, toner container, process cartridge, image fo...
Patent number
7,521,164
Issue date
Apr 21, 2009
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
7,473,508
Issue date
Jan 6, 2009
Ricoh Company, Ltd.
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, image forming...
Patent number
7,455,942
Issue date
Nov 25, 2008
Ricoh Company, Ltd.
Tsuneyasu Nagatomo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device, and image forming apparatus using the fixing device
Patent number
7,437,111
Issue date
Oct 14, 2008
Ricoh Company Limited
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and two component developer and image forming apparatus usin...
Patent number
7,429,442
Issue date
Sep 30, 2008
Ricoh Company, Ltd.
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing latent electrostatic image, container having t...
Patent number
7,384,720
Issue date
Jun 10, 2008
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and, developer, toner container, process cartridge, image fo...
Patent number
7,374,851
Issue date
May 20, 2008
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and fixing device and image forming device using the same
Patent number
7,368,213
Issue date
May 6, 2008
Ricoh Company, Limited
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer including the toner, container containing the tone...
Patent number
7,323,281
Issue date
Jan 29, 2008
Ricoh Company, Ltd.
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developer for developing electrostatic latent image, im...
Patent number
7,179,577
Issue date
Feb 20, 2007
Ricoh Company, Ltd.
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developer for developing electrostatic latent image, im...
Patent number
7,166,404
Issue date
Jan 23, 2007
Ricoh Company, Ltd.
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing latent electrostatic image, container having t...
Patent number
7,157,201
Issue date
Jan 2, 2007
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer including the toner, container containing the tone...
Patent number
7,157,199
Issue date
Jan 2, 2007
Ricoh Company, Ltd.
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer for developing latent electrostatic images, and...
Patent number
7,129,013
Issue date
Oct 31, 2006
Ricoh Company, Ltd.
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming apparatus using the toner
Patent number
7,083,890
Issue date
Aug 1, 2006
Ricoh Company, Ltd.
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for electrophotography, developer using the same, process car...
Patent number
7,056,638
Issue date
Jun 6, 2006
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dry toner, and process cartridge, image forming process and apparat...
Patent number
7,056,636
Issue date
Jun 6, 2006
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM, INFORMATION PROCESSING APPARATUS, AND IMAGE DISPLAY METHOD
Publication number
20150077365
Publication date
Mar 19, 2015
RICOH COMPANY, LTD.
Fumihiro SASAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROCESSING APPARATUS, COMPUTER-READABLE STORAGE MEDIUM, AND I...
Publication number
20130039602
Publication date
Feb 14, 2013
RICOH COMPANY, LIMITED
Fumihiro SASAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data transfer device, method of transferring data, and image formin...
Publication number
20120047299
Publication date
Feb 23, 2012
RICOH COMPANY, LIMITED
Fumihiro Sasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TONER AND DEVELOPER
Publication number
20110223532
Publication date
Sep 15, 2011
Tsuyoshi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, DEVELOPER CONTAINER, METHOD OF MANUFACTURING TONE...
Publication number
20110129773
Publication date
Jun 2, 2011
Hyo SHU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD OF FORMING IMAGES, AND PROCESS CARTRIDGE
Publication number
20110065033
Publication date
Mar 17, 2011
Osamu UCHINOKURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD FOR PREPARING THE TONER, AND IMAGE FORMING METHOD USI...
Publication number
20110003244
Publication date
Jan 6, 2011
Daisuke INOUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20100233609
Publication date
Sep 16, 2010
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, TONER PRODUCTION METHOD, AND IMAGE FORMING METHOD
Publication number
20100209841
Publication date
Aug 19, 2010
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20090017392
Publication date
Jan 15, 2009
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, AND IMAGE FORMING APPARATUS USING THE FIXING DEVICE
Publication number
20090010687
Publication date
Jan 8, 2009
Hiroshi YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FO...
Publication number
20080268366
Publication date
Oct 30, 2008
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...
Publication number
20080233498
Publication date
Sep 25, 2008
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND TONER FOR DEVELOPING LATENT ELECTROSTATIC...
Publication number
20080227003
Publication date
Sep 18, 2008
Takahiro HONDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION METHOD
Publication number
20080227000
Publication date
Sep 18, 2008
Takahiro HONDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing latent electrostatic image, container having t...
Publication number
20080138735
Publication date
Jun 12, 2008
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER-CONTAINING CONTAINER, PROCESS CARTRIDGE, IM...
Publication number
20070190444
Publication date
Aug 16, 2007
Akihiro Kotsugai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, TONER PRODUCTION METHOD, AND IMAGE FORMING METHOD
Publication number
20070134581
Publication date
Jun 14, 2007
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and image forming apparatus
Publication number
20070059063
Publication date
Mar 15, 2007
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer including the toner, container containing the tone...
Publication number
20070020546
Publication date
Jan 25, 2007
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, and, developer, toner container, process cartridge, image fo...
Publication number
20060204883
Publication date
Sep 14, 2006
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing latent electrostatic image, container having t...
Publication number
20060154168
Publication date
Jul 13, 2006
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Carrier for developer for developing electrostatic latent image, im...
Publication number
20060073405
Publication date
Apr 6, 2006
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer, toner container, process cartridge, image forming...
Publication number
20060063081
Publication date
Mar 23, 2006
Tsuneyasu Nagatomo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and toner cartridge
Publication number
20060029433
Publication date
Feb 9, 2006
Takuya Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, fixer and image forming apparatus
Publication number
20060024097
Publication date
Feb 2, 2006
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer including the toner, container containing the tone...
Publication number
20050250036
Publication date
Nov 10, 2005
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and fixing device and image forming device using the same
Publication number
20050208411
Publication date
Sep 22, 2005
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, and two component developer and image forming apparatus usin...
Publication number
20050186498
Publication date
Aug 25, 2005
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, and image forming apparatus using the fixing device
Publication number
20050180786
Publication date
Aug 18, 2005
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY