Kazuhito Watanabe

Person

Numazu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
- Patent number 7,522,850
- Issue date Apr 21, 2009
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including at least one replaceable member and ima...
- Patent number 7,493,061
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry toner, method for manufacturing the same, image forming apparat...
- Patent number 7,419,756
- Issue date Sep 2, 2008
- Ricoh Company, Ltd.
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a contact or a proximity type of char...
- Patent number 7,383,013
- Issue date Jun 3, 2008
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner composition and method for manufacturing the toner composition
- Patent number 7,294,443
- Issue date Nov 13, 2007
- Ricoh Company Limited
- Hiroshi Yamashita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Image forming apparatus using a contact or a proximity type of char...
- Patent number 7,251,438
- Issue date Jul 31, 2007
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
- Patent number 7,158,730
- Issue date Jan 2, 2007
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for development of electrostatic latent images, method of for...
- Patent number 7,122,286
- Issue date Oct 17, 2006
- Ricoh Company, Ltd.
- Masanori Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a contact or a proximity type of char...
- Patent number 7,103,301
- Issue date Sep 5, 2006
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus with toner fed cleani...
- Patent number 7,058,335
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Kenji Sugiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner composition and method for manufacturing the toner composition
- Patent number 7,005,223
- Issue date Feb 28, 2006
- Ricoh Company Limited
- Hiroshi Yamashita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dry toner and image forming method using same
- Patent number 6,835,519
- Issue date Dec 28, 2004
- Ricoh Company, Ltd.
- Tsunemi Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for fixing toner
- Patent number 6,756,175
- Issue date Jun 29, 2004
- Ricoh Company, Ltd.
- Shigeru Emoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier and two-component developer for electrophotography
- Patent number 6,740,461
- Issue date May 25, 2004
- Ricoh Company, Ltd.
- Masahide Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry toner and image forming method using same
- Patent number 6,660,443
- Issue date Dec 9, 2003
- Ricoh Company, Ltd.
- Tsunemi Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic latent image, toner container co...
- Patent number 6,566,026
- Issue date May 20, 2003
- Ricoh Company, Ltd.
- Yohichiroh Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner, and image forming method and apparatus u...
- Patent number 6,403,275
- Issue date Jun 11, 2002
- Ricoh Company, Ltd.
- Shinichi Kuramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Full-color toner image fixing method and apparatus
- Patent number 6,363,229
- Issue date Mar 26, 2002
- Ricoh Company, Ltd.
- Keiko Shiraishi
- 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
Information Patent Grant
Toner for developing electrostatic latent image
- Patent number 5,597,673
- Issue date Jan 28, 1997
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negatively chargeable toner for developing latent electrostatic images
- Patent number 5,314,777
- Issue date May 24, 1994
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS USING A CONTACT OR A PROXIMITY TYPE OF CHAR...
- Publication number 20070242992
- Publication date Oct 18, 2007
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRY TONER, METHOD FOR MANUFACTURING THE SAME, IMAGE FORMING APPARAT...
- Publication number 20070184370
- Publication date Aug 9, 2007
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, DEVELOPING UNIT, AND IM...
- Publication number 20070071499
- Publication date Mar 29, 2007
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner composition and method for manufacturing the toner composition
- Publication number 20060292482
- Publication date Dec 28, 2006
- Hiroshi Yamashita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Image forming apparatus using a contact or a proximity type of char...
- Publication number 20060204259
- Publication date Sep 14, 2006
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus
- Publication number 20060045603
- Publication date Mar 2, 2006
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge, developing unit, and im...
- Publication number 20050063713
- Publication date Mar 24, 2005
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus using a contact or a proximity type of char...
- Publication number 20040213600
- Publication date Oct 28, 2004
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dry toner and image forming method using same
- Publication number 20040076900
- Publication date Apr 22, 2004
- Tsunemi Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging device, body to be charged and image forming apparatus usi...
- Publication number 20040042823
- Publication date Mar 4, 2004
- Kenji Sugiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier and two-component developer for electrophotography
- Publication number 20030165765
- Publication date Sep 4, 2003
- Masahide Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dry toner, method for manufacturing the same, image forming apparat...
- Publication number 20030096185
- Publication date May 22, 2003
- Hiroshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner composition and method for manufacturing the toner composition
- Publication number 20030077536
- Publication date Apr 24, 2003
- Hiroshi Yamashita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Toner for development of electrostatic latent images, method of for...
- Publication number 20030036010
- Publication date Feb 20, 2003
- Masanori Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for fixing toner
- Publication number 20030027074
- Publication date Feb 6, 2003
- Shigeru Emoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dry toner and image forming method using same
- Publication number 20030022084
- Publication date Jan 30, 2003
- Tsunemi Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for developing electrostatic latent image, toner container co...
- Publication number 20020037467
- Publication date Mar 28, 2002
- Yohichiroh Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazuhito Watanabe

Person

Patents Grantslast 30 patents

Image forming apparatus, process cartridge, developing unit, and im...

Process cartridge including at least one replaceable member and ima...

Dry toner, method for manufacturing the same, image forming apparat...

Image forming apparatus using a contact or a proximity type of char...

Toner composition and method for manufacturing the toner composition

Image forming apparatus using a contact or a proximity type of char...

Image forming apparatus, process cartridge, developing unit, and im...

Toner for development of electrostatic latent images, method of for...

Image forming apparatus using a contact or a proximity type of char...

Process cartridge and image forming apparatus with toner fed cleani...

Toner composition and method for manufacturing the toner composition

Dry toner and image forming method using same

Method for fixing toner

Carrier and two-component developer for electrophotography

Dry toner and image forming method using same

Toner for developing electrostatic latent image, toner container co...

Electrophotographic toner, and image forming method and apparatus u...

Full-color toner image fixing method and apparatus

Electrostatic image developing toner and method for producing the t...

Toner for developing electrostatic latent image

Negatively chargeable toner for developing latent electrostatic images

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS USING A CONTACT OR A PROXIMITY TYPE OF CHAR...

DRY TONER, METHOD FOR MANUFACTURING THE SAME, IMAGE FORMING APPARAT...

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, DEVELOPING UNIT, AND IM...

Toner composition and method for manufacturing the toner composition

Image forming apparatus using a contact or a proximity type of char...

Process cartridge and image forming apparatus

Image forming apparatus, process cartridge, developing unit, and im...

Image forming apparatus using a contact or a proximity type of char...

Dry toner and image forming method using same

Charging device, body to be charged and image forming apparatus usi...

Carrier and two-component developer for electrophotography

Dry toner, method for manufacturing the same, image forming apparat...

Toner composition and method for manufacturing the toner composition

Toner for development of electrostatic latent images, method of for...

Method for fixing toner

Dry toner and image forming method using same

Toner for developing electrostatic latent image, toner container co...