Tadashi Doujo

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner particles including a sulfur-containing resin
- Patent number 6,953,646
- Issue date Oct 11, 2005
- Canon Kabushiki Kaisha
- Tadashi Doujo
- 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 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
Toner having negative triboelectric chargeability and image forming...
- Patent number 6,232,027
- Issue date May 15, 2001
- Canon Kabushiki Kaisha
- Satoshi Matsunaga
- 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 and image forming method
- Patent number 6,040,103
- Issue date Mar 21, 2000
- Canon Kabushiki Kaisha
- Manabu Ohno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing an electrostatic image
- Patent number 6,017,669
- Issue date Jan 25, 2000
- Canon Kabushiki Kaisha
- Makoto Unno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming method
- Patent number 5,976,752
- Issue date Nov 2, 1999
- Canon Kabushiki Kaisha
- Satoshi Matsunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, and image forming method
- Patent number 5,955,234
- Issue date Sep 21, 1999
- Canon Kabushiki Kaisha
- Satoshi Matsunaga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 images
- Patent number 5,773,183
- Issue date Jun 30, 1998
- Canon Kabushiki Kaisha
- Tadashi Doujo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image, image forming method and...
- Patent number 5,695,902
- Issue date Dec 9, 1997
- Canon Kabushiki Kaisha
- Yushi Mikuriya
- 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
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

Patents Applicationslast 30 patents

Information Patent Application
Toner
- Publication number 20040013962
- Publication date Jan 22, 2004
- Tadashi Doujo
- 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

Tadashi Doujo

Person

Patents Grantslast 30 patents

Toner particles including a sulfur-containing resin

Toner for developing electrostatic image

Toner for developing electrostatic image

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

Toner having negative triboelectric chargeability and image forming...

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

Toner for developing electrostatic image and image forming method

Toner for developing an electrostatic image

Toner and image forming method

Toner for developing electrostatic image, and image forming method

Toner for developing electrostatic image containing specified doubl...

Toner for developing electrostatic images

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

Toner for developing electrostatic image

Toner for developing electrostatic image

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

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

Patents Applicationslast 30 patents

Toner

Tonerfor developing electrostatic image