Kohki Katoh

Person

Shizuoka-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transfer device for forming a stable transfer electric field, and a...
- Patent number 7,346,287
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- 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
Color toner for developing electrostatic images, toner container co...
- Patent number 7,052,815
- Issue date May 30, 2006
- Ricoh Company, Limited
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner, method for manufacturing the toner, and image forming...
- Patent number 7,049,037
- Issue date May 23, 2006
- Ricoh Company, Ltd.
- Kohki Katoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner, developer, and image forming method and apparatus
- Patent number 6,916,587
- Issue date Jul 12, 2005
- Ricoh Company Limited
- Hiroyuki Fushimi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic latent image, developing method...
- Patent number 6,858,365
- Issue date Feb 22, 2005
- Ricoh Company, Ltd.
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner, method for manufacturing the toner, and image forming...
- Patent number 6,852,459
- Issue date Feb 8, 2005
- Ricoh Company, Ltd.
- Kohki Katoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Transfer bias applying method for an image forming apparatus and de...
- Patent number 6,829,450
- Issue date Dec 7, 2004
- Ricoh Company, Ltd.
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic latent image, toner cartridge co...
- Patent number 6,818,370
- Issue date Nov 16, 2004
- Ricoh Company, Ltd.
- Osamu Uchinokura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including image transfer body with elastic...
- Patent number 6,785,500
- Issue date Aug 31, 2004
- Ricoh Company, Ltd.
- Mitsuru Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, and process cartridge for use in image for...
- Patent number 6,741,821
- Issue date May 25, 2004
- Ricoh Company, Ltd.
- Akihiro Sugino
- 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
Toner, developer and container for the developer, and method of and...
- Patent number 6,733,939
- Issue date May 11, 2004
- Ricoh Company, Ltd.
- Toshiki Nanya
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner for developing electrostatic latent image and image forming m...
- Patent number 6,716,561
- Issue date Apr 6, 2004
- Ricoh Company, Ltd.
- Keiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing latent electrostatic images, and image forming...
- Patent number 6,653,037
- Issue date Nov 25, 2003
- Ricoh Company, Ltd.
- Toyoshi Sawada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Transfer bias applying method for an image forming apparatus and de...
- Patent number 6,618,565
- Issue date Sep 9, 2003
- Ricoh Company, Ltd.
- Takahiro Tamiya
- 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
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
Electrophotographic toner and image forming method using the toner
- Patent number 6,303,258
- Issue date Oct 16, 2001
- Ricoh Company, Ltd.
- Kohki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component developer, two-component developer holding container,...
- Patent number 6,258,502
- Issue date Jul 10, 2001
- Ricoh Company, Ltd.
- Yasushi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and two-component developer for electrophotographic process a...
- Patent number 6,183,926
- Issue date Feb 6, 2001
- Ricoh Company, Ltd.
- Noboru Kuroda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for dry developing
- Patent number 6,074,794
- Issue date Jun 13, 2000
- Ricoh Company, Ltd.
- Hiroyuki Fushimi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Information management system, information management method, and c...
- Publication number 20080244733
- Publication date Oct 2, 2008
- Kohki Katoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Transfer device for forming a stable transfer electric field, and a...
- Publication number 20060127116
- Publication date Jun 15, 2006
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner for developing electrostatic images, toner container co...
- Publication number 20050277046
- Publication date Dec 15, 2005
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner, method for manufacturing the toner, and image forming...
- Publication number 20050008962
- Publication date Jan 13, 2005
- Kohki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Bias applying method for an image forming apparatus and device for...
- Publication number 20040105692
- Publication date Jun 3, 2004
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner for developing electrostatic images, toner container co...
- Publication number 20030219670
- Publication date Nov 27, 2003
- Toyoshi Sawada
- 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
Toner for developing electrostatic latent image, toner cartridge co...
- Publication number 20030162115
- Publication date Aug 28, 2003
- Osamu Uchinokura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device for forming a stable transfer electric field, and a...
- Publication number 20030118359
- Publication date Jun 26, 2003
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color toner, method for manufacturing the toner, and image forming...
- Publication number 20030096183
- Publication date May 22, 2003
- Kohki Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for developing electrostatic latent image, developing method...
- Publication number 20030039909
- Publication date Feb 27, 2003
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Image forming apparatus, and process cartridge for use in image for...
- Publication number 20030035660
- Publication date Feb 20, 2003
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Bias applying method for an image forming apparatus and device for...
- Publication number 20030026625
- Publication date Feb 6, 2003
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, developer, and image forming method and apparatus
- Publication number 20030022080
- Publication date Jan 30, 2003
- Hiroyuki Fushimi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030016968
- Publication date Jan 23, 2003
- Mitsuru Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for developing electrostatic latent image and image forming m...
- Publication number 20020136975
- Publication date Sep 26, 2002
- Keiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for developing latent electrostatic images, and image forming...
- Publication number 20020132177
- Publication date Sep 19, 2002
- Toyoshi Sawada
- B82 - NANO-TECHNOLOGY
Information Patent Application
Toner, developer and container for the developer, and method of and...
- Publication number 20020064723
- Publication date May 30, 2002
- Toshiki Nanya
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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

Kohki Katoh

Person

Patents Grantslast 30 patents

Transfer device for forming a stable transfer electric field, and a...

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

Color toner for developing electrostatic images, toner container co...

Color toner, method for manufacturing the toner, and image forming...

Toner, developer, and image forming method and apparatus

Toner for developing electrostatic latent image, developing method...

Color toner, method for manufacturing the toner, and image forming...

Transfer bias applying method for an image forming apparatus and de...

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

Image forming apparatus including image transfer body with elastic...

Image forming apparatus, and process cartridge for use in image for...

Carrier and two-component developer for electrophotography

Toner, developer and container for the developer, and method of and...

Toner for developing electrostatic latent image and image forming m...

Toner for developing latent electrostatic images, and image forming...

Transfer bias applying method for an image forming apparatus and de...

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

Full-color toner image fixing method and apparatus

Electrophotographic toner and image forming method using the toner

Two-component developer, two-component developer holding container,...

Toner and two-component developer for electrophotographic process a...

Toner for dry developing

Patents Applicationslast 30 patents

Information management system, information management method, and c...

Transfer device for forming a stable transfer electric field, and a...

Color toner for developing electrostatic images, toner container co...

Color toner, method for manufacturing the toner, and image forming...

Bias applying method for an image forming apparatus and device for...

Color toner for developing electrostatic images, toner container co...

Carrier and two-component developer for electrophotography

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

Transfer device for forming a stable transfer electric field, and a...

Color toner, method for manufacturing the toner, and image forming...

Toner for developing electrostatic latent image, developing method...

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

Image forming apparatus, and process cartridge for use in image for...

Bias applying method for an image forming apparatus and device for...

Toner, developer, and image forming method and apparatus

Image forming apparatus

Toner for developing electrostatic latent image and image forming m...

Toner for developing latent electrostatic images, and image forming...

Toner, developer and container for the developer, and method of and...

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