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Numazu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toner, developer including the toner, and developing device and ima...
Patent number
8,785,099
Issue date
Jul 22, 2014
Ricoh Company, Limited
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic latent image, and image forming...
Patent number
8,202,676
Issue date
Jun 19, 2012
Ricoh Company, Limited
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developing toner having specific variation coef...
Patent number
8,084,179
Issue date
Dec 27, 2011
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Full color toner, and its use in electrophotography methods and app...
Patent number
8,034,523
Issue date
Oct 11, 2011
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming apparatus using the same, and image forming me...
Patent number
7,985,518
Issue date
Jul 26, 2011
Ricoh Company, Ltd.
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming apparatus using the same and process cartridge
Patent number
7,522,857
Issue date
Apr 21, 2009
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for electrophotography, and image fixing process, image formi...
Patent number
7,217,485
Issue date
May 15, 2007
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dry toner, toner kit, and image forming apparatus and process cartr...
Patent number
7,183,029
Issue date
Feb 27, 2007
Ricoh Company, Limited
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for forming image, method for developing electrostatic latent...
Patent number
7,163,774
Issue date
Jan 16, 2007
Ricoh Company Limited
Keiko Shiraishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and toner for use in the method
Patent number
7,150,954
Issue date
Dec 19, 2006
Ricoh Company, Ltd.
Mitsuo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrographic image formation method
Patent number
7,029,816
Issue date
Apr 18, 2006
Ricoh Company, Ltd.
Fumihiro Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming method using the toner
Patent number
6,964,835
Issue date
Nov 15, 2005
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic latent image, toner cartridge, d...
Patent number
6,924,073
Issue date
Aug 2, 2005
Ricoh Company, Ltd.
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and toner for use in the method
Patent number
6,899,986
Issue date
May 31, 2005
Ricoh Company, Ltd.
Mitsuo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developer, container filled with the two-component de...
Patent number
6,544,704
Issue date
Apr 8, 2003
Ricoh Company, Ltd.
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developer, container filled with the two-component de...
Patent number
6,468,706
Issue date
Oct 22, 2002
Ricoh Company, Ltd.
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner and image forming method using the toner
Patent number
6,432,590
Issue date
Aug 13, 2002
Ricoh Company, Ltd.
Hideyuki Ueda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner and image forming method using the toner
Patent number
6,303,257
Issue date
Oct 16, 2001
Ricoh Company Limited
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner and image forming method using the toner
Patent number
6,255,028
Issue date
Jul 3, 2001
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing latent electrostatic images, binder resin for...
Patent number
6,221,549
Issue date
Apr 24, 2001
Ricoh Company, Ltd.
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developing toner and method for producing the t...
Patent number
5,747,210
Issue date
May 5, 1998
Ricoh Company, Ltd.
Shigeru Emoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER, DEVELOPER INCLUDING THE TONER, AND DEVELOPING DEVICE AND IMA...
Publication number
20110268474
Publication date
Nov 3, 2011
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Publication number
20090233217
Publication date
Sep 17, 2009
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, TWO-COMPONENT DEVELOPER, IMAG...
Publication number
20090202934
Publication date
Aug 13, 2009
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND IMAGE FORMING...
Publication number
20090176169
Publication date
Jul 9, 2009
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING APPARATUS USING THE SAME, AND IMAGE FORMING ME...
Publication number
20090123857
Publication date
May 14, 2009
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND TWO-COMPONENT DEVELOPER AND IMAGE FORMING APPARATUS USIN...
Publication number
20080220360
Publication date
Sep 11, 2008
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD OF SUPPLYING THE SAME AND PROCESS CARTRIDGE
Publication number
20080102393
Publication date
May 1, 2008
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Magenta color toner, toner cartridge, and process cartridge and ima...
Publication number
20060093943
Publication date
May 4, 2006
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, image forming apparatus using the same, and image forming me...
Publication number
20060068306
Publication date
Mar 30, 2006
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, image forming apparatus using the same and process cartridge
Publication number
20060063092
Publication date
Mar 23, 2006
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Full color toner, and its use in electrophotography methods and app...
Publication number
20060051692
Publication date
Mar 9, 2006
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer including the toner, and developing device and ima...
Publication number
20050208403
Publication date
Sep 22, 2005
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND IMAGE FORMING METHOD USING THE TONER
Publication number
20050175924
Publication date
Aug 11, 2005
RICOH COMPANY, LTD.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and toner for use in the method
Publication number
20050079430
Publication date
Apr 14, 2005
Mitsuo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Dry toner, toner kit, and image forming apparatus and process cartr...
Publication number
20050064310
Publication date
Mar 24, 2005
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for electrophotography, and image fixing process, image formi...
Publication number
20040234879
Publication date
Nov 25, 2004
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrographic image formation method
Publication number
20040224247
Publication date
Nov 11, 2004
Fumihiro Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for forming image, method for developing electrostatic latent...
Publication number
20040157147
Publication date
Aug 12, 2004
Keiko Shiraishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and toner for use in the method
Publication number
20030186155
Publication date
Oct 2, 2003
Mitsuo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for developing electrostatic latent image, toner cartridge, d...
Publication number
20030165760
Publication date
Sep 4, 2003
Hiroto Higuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image formation method
Publication number
20020039698
Publication date
Apr 4, 2002
Ricoh Company, Ltd.
Fumihiro Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Two-component developer, container filled with the two-component de...
Publication number
20020006567
Publication date
Jan 17, 2002
RICOH COMPANY, LIMITED
Hiroaki Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY