Takaaki Kohtaki

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Black toner with defined loss tangent
- Patent number 7,300,733
- Issue date Nov 27, 2007
- Canon Kabushiki Kaisha
- Nobuyoshi Sugahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Black toner with defined loss tangent
- Patent number 7,022,449
- Issue date Apr 4, 2006
- Canon Kabushiki Kaisha
- Nobuyoshi Sugahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 6,783,910
- Issue date Aug 31, 2004
- Canon Kabushiki Kaisha
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 6,623,901
- Issue date Sep 23, 2003
- Canon Kabushiki Kaisha
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and full-color image forming method
- Patent number 6,586,147
- Issue date Jul 1, 2003
- Canon Kabushiki Kaisha
- Wakashi Iida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner
- Patent number 6,528,222
- Issue date Mar 4, 2003
- Canon Kabushiki Kaisha
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, image forming method and...
- Patent number 6,365,314
- Issue date Apr 2, 2002
- Canon Kabushiki Kaisha
- Koichi Tomiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin-coated carrier, two-component developer and image forming method
- Patent number 6,187,490
- Issue date Feb 13, 2001
- Canon Kabushiki Kaisha
- Masaaki Taya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, image forming method and...
- Patent number 6,090,515
- Issue date Jul 18, 2000
- Canon Kabushiki Kaisha
- Koichi Tomiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image containing specified doubl...
- Patent number 5,858,597
- Issue date Jan 12, 1999
- Canon Kabushiki Kaisha
- Yuichi Mizoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 5,660,963
- Issue date Aug 26, 1997
- Canon Kabushiki Kaisha
- Tadashi Doujo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 5,578,408
- Issue date Nov 26, 1996
- Canon Kabushiki Kaisha
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer containing insulating magnetic toner flowability-improvin...
- Patent number 5,547,796
- Issue date Aug 20, 1996
- Canon Kabushiki Kaisha
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, forming apparatus and pro...
- Patent number 5,483,327
- Issue date Jan 9, 1996
- Canon Kabushiki Kaisha
- Masaaki Taya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, image forming apparatus a...
- Patent number 5,439,770
- Issue date Aug 8, 1995
- Canon Kabushiki Kaisha
- Masaaki Taya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner image heat-fixing method
- Patent number 5,391,450
- Issue date Feb 21, 1995
- Canon Kabushiki Kaisha
- Takayuki Nagatsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner
- Patent number 5,346,792
- Issue date Sep 13, 1994
- Canon Kabushiki Kaisha
- Hiroyuki Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, and image fixing method
- Patent number 5,250,382
- Issue date Oct 5, 1993
- Canon Kabushiki Kaisha
- Minoru Shimojo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner for electrophotography containing a phenolic compound
- Patent number 5,102,761
- Issue date Apr 7, 1992
- Canon Kabushiki Kaisha
- Ichiro Ohsaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing encapsulated toner
- Patent number 4,904,562
- Issue date Feb 27, 1990
- Canon Kabushiki Kaisha
- Hiroshi Yusa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC MAGNETIC SEALING MEMBER AND ELECTROPHOTOGRAPHIC...
- Publication number 20140029972
- Publication date Jan 30, 2014
- Canon Kasei Kabushiki Kaisha
- Keisuke Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Black toner with defined loss tangent
- Publication number 20060014095
- Publication date Jan 19, 2006
- Canon Kabushiki Kaisha
- Nobuyoshi Sugahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Black toner
- Publication number 20040058264
- Publication date Mar 25, 2004
- Nobuyoshi Sugahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Tonerfor developing electrostatic image
- Publication number 20030211414
- Publication date Nov 13, 2003
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner
- Publication number 20020072005
- Publication date Jun 13, 2002
- Takaaki Kohtaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and full-color image forming method
- Publication number 20020051924
- Publication date May 2, 2002
- Wakashi Iida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takaaki Kohtaki

Person

Patents Grantslast 30 patents

Black toner with defined loss tangent

Black toner with defined loss tangent

Toner for developing electrostatic image

Toner for developing electrostatic image

Toner and full-color image forming method

Toner

Toner for developing electrostatic image, image forming method and...

Resin-coated carrier, two-component developer and image forming method

Toner for developing electrostatic image, image forming method and...

Toner for developing electrostatic image containing specified doubl...

Toner for developing electrostatic image

Toner for developing electrostatic image

Developer containing insulating magnetic toner flowability-improvin...

Toner for developing electrostatic image, forming apparatus and pro...

Toner for developing electrostatic image, image forming apparatus a...

Toner image heat-fixing method

Color toner

Toner for developing electrostatic image, and image fixing method

Color toner for electrophotography containing a phenolic compound

Process for producing encapsulated toner

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC MAGNETIC SEALING MEMBER AND ELECTROPHOTOGRAPHIC...

Black toner with defined loss tangent

Black toner

Tonerfor developing electrostatic image

Toner

Toner and full-color image forming method