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Toshiyuki Karakama
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Ohta-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cartridge with restriction member for restricting relative movement...
Patent number
10,353,339
Issue date
Jul 16, 2019
Canon Kabushiki Kaisha
Isao Koishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and electrophotographic image forming apparatus
Patent number
7,912,404
Issue date
Mar 22, 2011
Canon Kabushiki Kaisha
Nobuharu Hoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Disassembling tool for process cartridge
Patent number
7,296,341
Issue date
Nov 20, 2007
Canon Kabushiki Kaisha
Ken Kikuchi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process cartridge remanufacturing method
Patent number
7,266,326
Issue date
Sep 4, 2007
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge having electrical contact connectable to electric...
Patent number
7,136,604
Issue date
Nov 14, 2006
Canon Kabushiki Kaisha
Kazuo Chadani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process cartridge and electrophotographic image-forming apparatus
Patent number
7,120,374
Issue date
Oct 10, 2006
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image developing apparatus, process cartridge, electrophotographic...
Patent number
7,095,967
Issue date
Aug 22, 2006
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Information storing medium, unit, process cartridge, developing car...
Patent number
7,082,276
Issue date
Jul 25, 2006
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Disassembling tool for process cartridge
Patent number
7,073,251
Issue date
Jul 11, 2006
Canon Kabushiki Kaisha
Ken Kikuchi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus
Patent number
D524359
Issue date
Jul 4, 2006
Canon Kabushiki Kaisha
Toshiyuki Karakama
D18 - Printing and office machinery
Information
Patent Grant
Process cartridge assembling method, process cartridge remanufactur...
Patent number
7,024,131
Issue date
Apr 4, 2006
Canon Kabushiki Kaisha
Noriyuki Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and image forming apparatus
Patent number
6,987,938
Issue date
Jan 17, 2006
Canon Kabushiki Kaisha
Ryuta Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
D509533
Issue date
Sep 13, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
D18 - Printing and office machinery
Information
Patent Grant
Process cartridge and electrophotographic image forming apparatus
Patent number
6,898,392
Issue date
May 24, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, a process cartridge, and an electrophotographic...
Patent number
6,892,035
Issue date
May 10, 2005
Canon Kabushiki Kaisha
Hideki Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image developing apparatus, process cartridge, electrophotographic...
Patent number
6,859,627
Issue date
Feb 22, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
D500515
Issue date
Jan 4, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
D18 - Printing and office machinery
Information
Patent Grant
Image forming apparatus
Patent number
D500335
Issue date
Dec 28, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
D18 - Printing and office machinery
Information
Patent Grant
Cleaning apparatus having a cleaning member, a cleaning frame, and...
Patent number
6,836,639
Issue date
Dec 28, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Memory member, unit, process cartridge and electrophotographic imag...
Patent number
6,832,056
Issue date
Dec 14, 2004
Canon Kabushiki Kaisha
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Information storing medium, unit, process cartridge, developing car...
Patent number
6,826,380
Issue date
Nov 30, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus and process cartridges
Patent number
6,804,483
Issue date
Oct 12, 2004
Canon Kabushiki Kaisha
Akiyoshi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
PROCESS CARTRIDGE COMPRISING GROUNDING, CHARGING BIAS, AND DEVELOPI...
Patent number
6,804,475
Issue date
Oct 12, 2004
Canon Kabushiki Kaisha
Toru Oguma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Memory member, unit, process cartridge and electrophotographic imag...
Patent number
6,782,213
Issue date
Aug 24, 2004
Canon Kabushiki Kaisha
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge mountable therein in...
Patent number
6,782,222
Issue date
Aug 24, 2004
Canon Kabushiki Kaisha
Yoshihiro Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
D492958
Issue date
Jul 13, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
D18 - Printing and office machinery
Information
Patent Grant
Process cartridge including convex and concave portions and electro...
Patent number
6,738,589
Issue date
May 18, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, process cartridge and electrophotographic image...
Patent number
6,704,525
Issue date
Mar 9, 2004
Canon Kabushiki Kaisha
Toru Oguma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Memory member, unit, process cartridge and electrophotographic imag...
Patent number
6,701,107
Issue date
Mar 2, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Memory member, unit, process cartridge and electrophotographic imag...
Patent number
6,697,578
Issue date
Feb 24, 2004
Canon Kabushiki Kaisha
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20180253057
Publication date
Sep 6, 2018
Canon Kabushiki Kaisha
Isao Koishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
Publication number
20080145095
Publication date
Jun 19, 2008
Canon Kabushiki Kaisha
Nobuharu Hoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Disassembling tool for process cartridge
Publication number
20050283973
Publication date
Dec 29, 2005
Canon Kabushiki Kaisha
Ken Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge remanufacturing method
Publication number
20050232654
Publication date
Oct 20, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Unit detachably mountable to electrophotographic image forming appa...
Publication number
20050176299
Publication date
Aug 11, 2005
Canon Kabushiki Kaisha
Kazuo Chadani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image developing apparatus, process cartridge, electrophotographic...
Publication number
20050025508
Publication date
Feb 3, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Information storing medium, unit, process cartridge, developing car...
Publication number
20050019061
Publication date
Jan 27, 2005
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and electrophotographic image-forming apparatus
Publication number
20040234293
Publication date
Nov 25, 2004
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and image forming apparatus
Publication number
20040190933
Publication date
Sep 30, 2004
Canon Kabushiki Kaisha
Ryuta Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge assembling method, process cartridge remanufactur...
Publication number
20040136746
Publication date
Jul 15, 2004
Canon Kabushiki Kaisha
Noriyuki Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Disassembling tool for process cartridge
Publication number
20040045156
Publication date
Mar 11, 2004
Canon Kabushiki Kaisha
Ken Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and electrophotographic image forming apparatus
Publication number
20030215257
Publication date
Nov 20, 2003
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Information storing medium, unit, process cartridge, developing car...
Publication number
20030215261
Publication date
Nov 20, 2003
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning apparatus
Publication number
20030156869
Publication date
Aug 21, 2003
Canon Kabushiki Kaisha
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Memory member, unit, process cartridge and electrophotographic imag...
Publication number
20030108355
Publication date
Jun 12, 2003
Canon Kabushiki Kaisha
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Memory member, unit, process cartridge and electrophotographic imag...
Publication number
20030103774
Publication date
Jun 5, 2003
Canon Kabushiki Kaisha
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartredge and electrophotographic image forming apparatus
Publication number
20020172521
Publication date
Nov 21, 2002
Canon Kabushiki Kaisha
Toru Oguma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image forming apparatus and process cartridges
Publication number
20020131791
Publication date
Sep 19, 2002
Canon Kabushiki Kaisha
Akiyoshi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and electrophotographic image forming apparatus
Publication number
20020122674
Publication date
Sep 5, 2002
Canon Kabushiki Kaisha
Akiyoshi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and electrophotographic image forming apparatus
Publication number
20020081125
Publication date
Jun 27, 2002
ToshIyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device, process cartridge and electrophotographic image...
Publication number
20020067930
Publication date
Jun 6, 2002
Toru Oguma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Electric contact member and developing device, process cartridge, a...
Publication number
20020064390
Publication date
May 30, 2002
Toru Oguma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Memory member, unit, process cartridge and electrophotographic imag...
Publication number
20020031357
Publication date
Mar 14, 2002
Kazushi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Unit, process cartridge and electrophotographic image forming appar...
Publication number
20020031359
Publication date
Mar 14, 2002
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image formation system, electrophotographic ima...
Publication number
20020025185
Publication date
Feb 28, 2002
Yoshihiro Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Memory member, unit, process cartridge and electrophotographic imag...
Publication number
20020025186
Publication date
Feb 28, 2002
Toshiyuki Karakama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device, process cartridge and image forming apparatus
Publication number
20020021908
Publication date
Feb 21, 2002
Hideki Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE DEVELOPING APPARATUS, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC...
Publication number
20020012542
Publication date
Jan 31, 2002
TOSHIYUKI KARAKAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Device, process cartridge and electrophotographic image...
Publication number
20010038758
Publication date
Nov 8, 2001
Toru Oguma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image forming apparatus
Publication number
20010014226
Publication date
Aug 16, 2001
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY