Kouji Shinkawa

Person

Kitakatsuragi-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charging roller, process cartridge and image forming apparatus
- Patent number 7,934,316
- Issue date May 3, 2011
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image forming apparatus, process cartridge used therein, and produc...
- Patent number 7,869,743
- Issue date Jan 11, 2011
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller and image forming apparatus incorporating same
- Patent number 7,668,484
- Issue date Feb 23, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including system for recycling toner
- Patent number 6,405,009
- Issue date Jun 11, 2002
- Sharp Kabushiki Kaisha
- Kouji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device with electrically biased conveying members for coll...
- Patent number 6,157,807
- Issue date Dec 5, 2000
- Sharp Kabushiki Kaisha
- Kouichi Takenouchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development apparatus for developing electrostatic latent image hel...
- Patent number 5,842,089
- Issue date Nov 24, 1998
- Sharp Kabushiki Kaisha
- Hisashi Kunihiro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device with residual charge removal control
- Patent number 5,794,097
- Issue date Aug 11, 1998
- Sharp Kabushiki Kaisha
- Kouji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Charging roller, process cartridge and image forming apparatus
- Publication number 20100003413
- Publication date Jan 7, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging roller, process cartridge and image forming apparatus
- Publication number 20070271792
- Publication date Nov 29, 2007
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge used therein, and produc...
- Publication number 20070253740
- Publication date Nov 1, 2007
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging roller and image forming apparatus incorporating same
- Publication number 20070253737
- Publication date Nov 1, 2007
- SHARP KABUSHIKI KAISHA
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging device, process cartridge, image forming apparatus and cha...
- Publication number 20070253738
- Publication date Nov 1, 2007
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kouji Shinkawa

Person

Patents Grantslast 30 patents

Charging roller, process cartridge and image forming apparatus

Image forming apparatus, process cartridge used therein, and produc...

Charging roller and image forming apparatus incorporating same

Image forming apparatus including system for recycling toner

Cleaning device with electrically biased conveying members for coll...

Development apparatus for developing electrostatic latent image hel...

Image forming device with residual charge removal control

Patents Applicationslast 30 patents

Charging roller, process cartridge and image forming apparatus

Charging roller, process cartridge and image forming apparatus

Image forming apparatus, process cartridge used therein, and produc...

Charging roller and image forming apparatus incorporating same

Charging device, process cartridge, image forming apparatus and cha...