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Patents Grants
last 30 patents
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
8,357,481
Issue date
Jan 22, 2013
Ricoh Company, Limited
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for non-magnetic one-component developer, method of preparing...
Patent number
8,329,371
Issue date
Dec 11, 2012
Ricoh Company, Ltd.
Yoshihiro Mikuriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus
Patent number
8,139,984
Issue date
Mar 20, 2012
Ricoh Company, Limited
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, image forming...
Patent number
8,110,330
Issue date
Feb 7, 2012
Ricoh Company, Ltd.
Yoshimichi Ishikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, and image forming method and process cartridge u...
Patent number
8,103,199
Issue date
Jan 24, 2012
Ricoh Company Limited
Hideaki Yasunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming method
Patent number
8,053,154
Issue date
Nov 8, 2011
Ricoh Company, Ltd.
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image developer using one-component developer
Patent number
8,041,270
Issue date
Oct 18, 2011
Ricoh Company, Limited
Hideaki Yasunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and oilless fixing method and process cartridge using the toner
Patent number
8,021,814
Issue date
Sep 20, 2011
Ricoh Company Limited
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer including the toner, and image forming method and...
Patent number
7,981,593
Issue date
Jul 19, 2011
Ricoh Company Limited
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, developer therefor, and image forming method and...
Patent number
7,970,323
Issue date
Jun 28, 2011
Ricoh Company, Ltd.
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus
Patent number
7,867,685
Issue date
Jan 11, 2011
Ricoh Company, Limited
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming method using the toner
Patent number
7,838,193
Issue date
Nov 23, 2010
Ricoh Company Limited
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and method for producing the same, toner kit, and developer,...
Patent number
7,833,686
Issue date
Nov 16, 2010
Ricoh Company, Ltd.
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner recovery apparatus, process cartridge, and image forming appa...
Patent number
7,820,348
Issue date
Oct 26, 2010
Ricoh Company, Ltd.
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image developing method, image forming apparatus...
Patent number
7,817,946
Issue date
Oct 19, 2010
Ricoh Company, Ltd.
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing a latent electrostatic image, image-forming me...
Patent number
7,749,671
Issue date
Jul 6, 2010
Ricoh Company, Ltd.
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, and image forming method...
Patent number
7,727,694
Issue date
Jun 1, 2010
Ricoh Company Limited
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner recovery apparatus, process cartridge, and image forming appa...
Patent number
7,720,428
Issue date
May 18, 2010
Ricoh Company, Ltd.
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer and image forming method using the developer
Patent number
7,695,885
Issue date
Apr 13, 2010
Ricoh Company Limited
Hideaki Yasunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer, toner container, process cartridge, image form...
Patent number
7,635,549
Issue date
Dec 22, 2009
Ricoh Company, Ltd.
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, fixing method and image forming method using the toner
Patent number
7,632,619
Issue date
Dec 15, 2009
Ricoh Company Limited
Yoshihiro Mikuriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for electrostatic development, developer, image forming metho...
Patent number
7,556,904
Issue date
Jul 7, 2009
Ricoh Company, Ltd.
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and image forming method, image forming apparatus, and proce...
Patent number
7,556,906
Issue date
Jul 7, 2009
Ricoh Company Limited
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic latent image and image-forming m...
Patent number
7,169,524
Issue date
Jan 30, 2007
Konica Minolta Business Technologies, Inc.
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner composition
Patent number
7,026,087
Issue date
Apr 11, 2006
Konica Minolta Business Technologies, Inc.
Yoshihiro Mikuriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic latent image
Patent number
6,899,985
Issue date
May 31, 2005
Minolta Co., Ltd.
Masahide Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic latent image
Patent number
6,656,655
Issue date
Dec 2, 2003
Minolta Co., Ltd.
Masahiro Anno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Mono-component developing device, toner for the same and image form...
Patent number
6,524,762
Issue date
Feb 25, 2003
Minolta Co., Ltd.
Chikara Tsutsui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color toner for developing an electrostatic image
Patent number
6,503,679
Issue date
Jan 7, 2003
Minolta Co., Ltd.
Megumi Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing system for forming a full-color image
Patent number
6,459,874
Issue date
Oct 1, 2002
Minolta Co., Ltd.
Masahide Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING METHOD AND APPARATUS
Publication number
20110045401
Publication date
Feb 24, 2011
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER RECOVERY APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
Publication number
20100167196
Publication date
Jul 1, 2010
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND DEVELOPER
Publication number
20100068644
Publication date
Mar 18, 2010
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
Publication number
20100067958
Publication date
Mar 18, 2010
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, DEVELOPER THEREFOR, AND IMAGE FORMING METHOD AND...
Publication number
20080304875
Publication date
Dec 11, 2008
RICOH COMPANY, LTD.
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND OILLESS FIXING METHOD AND PROCESS CARTRIDGE USING THE TONER
Publication number
20080233506
Publication date
Sep 25, 2008
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE DEVELOPER USING ONE-COMPONENT DEVELOPER
Publication number
20080226356
Publication date
Sep 18, 2008
Hideaki YASUNAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER RECOVERY APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
Publication number
20080199234
Publication date
Aug 21, 2008
Masayuki HAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device, and image forming method and process cartridge u...
Publication number
20080175630
Publication date
Jul 24, 2008
Hideaki Yasunaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer, toner container, process cartridge, image forming...
Publication number
20080131797
Publication date
Jun 5, 2008
Yoshimichi Ishikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20080101823
Publication date
May 1, 2008
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND APPARATUS
Publication number
20080081273
Publication date
Apr 3, 2008
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR DEVELOPING ELECTROSTATIC IMAGE, AND IMAGE FORMING METHOD...
Publication number
20080069598
Publication date
Mar 20, 2008
Hiroyuki MURAKAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER INCLUDING THE TONER, AND IMAGE FORMING METHOD AND...
Publication number
20080069608
Publication date
Mar 20, 2008
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE DEVELOPING METHOD, IMAGE FORMING APPARATUS...
Publication number
20080063957
Publication date
Mar 13, 2008
Hiroyuki Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER AND IMAGE FORMING METHOD USING THE DEVELOPER
Publication number
20080038656
Publication date
Feb 14, 2008
Hideaki YASUNAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, IMAGE-FORMING APPARATUS, IMAGE-FORMING PROCESS, AN...
Publication number
20070217842
Publication date
Sep 20, 2007
Hiroaki Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND IMAGE FORMING METHOD
Publication number
20070207399
Publication date
Sep 6, 2007
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE...
Publication number
20070190443
Publication date
Aug 16, 2007
Masayuki Hagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND METHOD FOR PRODUCING THE SAME, TONER KIT, AND DEVELOPER,...
Publication number
20070148568
Publication date
Jun 28, 2007
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCE...
Publication number
20070122729
Publication date
May 31, 2007
Hiroaki Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing a latent electrostatic image, image-forming me...
Publication number
20070059625
Publication date
Mar 15, 2007
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, image forming method and process cartridge
Publication number
20070026335
Publication date
Feb 1, 2007
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, fixing method and image forming method using the toner
Publication number
20060292474
Publication date
Dec 28, 2006
Yoshihiro Mikuriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for electrostatic development, developer, image forming metho...
Publication number
20060275686
Publication date
Dec 7, 2006
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and developer, toner container, process cartridge, image form...
Publication number
20060210902
Publication date
Sep 21, 2006
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic latent image and image-forming m...
Publication number
20060051696
Publication date
Mar 9, 2006
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
Chikara Tsutsui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic latent image and image-forming m...
Publication number
20040265718
Publication date
Dec 30, 2004
Konica Minolta Business Technologies, Inc.
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic latent image and image-forming m...
Publication number
20040126691
Publication date
Jul 1, 2004
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
Chikara Tsutsui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner composition
Publication number
20040101775
Publication date
May 27, 2004
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
Yoshihiro Mikuriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY