Masatsugu Fujiwara

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner for developing electrostatic images and heat fixing method
- Patent number 6,537,716
- Issue date Mar 25, 2003
- Canon Kabushiki Kaisha
- Shinji Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method, image forming method, and heat fixing method, wi...
- Patent number 5,824,442
- Issue date Oct 20, 1998
- Canon Kabushiki Kaisha
- Hirohide Tanikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic images, two component type devel...
- Patent number 5,707,770
- Issue date Jan 13, 1998
- Canon Kabushiki Kaisha
- Hirohide Tanikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic images and image forming method
- Patent number 5,614,344
- Issue date Mar 25, 1997
- Canon Kabushiki Kaisha
- Hiroaki Kawakami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Image forming process, image-forming apparatus, apparatus unit, and...
- Patent number 5,389,487
- Issue date Feb 14, 1995
- Canon Kabushiki Kaisha
- Hiroaki Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 5,384,224
- Issue date Jan 24, 1995
- Canon Kabushiki Kaisha
- Hirohide Tanikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image and heat-fixing method com...
- Patent number 5,364,722
- Issue date Nov 15, 1994
- Canon Kabushiki Kaisha
- Hirohide Tanikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positively chargeable magnetic toner, image forming process image f...
- Patent number 5,213,933
- Issue date May 25, 1993
- Canon Kabushiki Kaisha
- Ichirou Osaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer with surface treated silicic acid for developing electros...
- Patent number 5,202,213
- Issue date Apr 13, 1993
- Canon Kabushiki Kaisha
- Toshiaki Nakahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer in an image forming device having a binding resin and mag...
- Patent number 5,014,089
- Issue date May 7, 1991
- Canon Kabushiki Kaisha
- Kiichiro Sakashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic analog and digital imaging and developing using...
- Patent number 4,999,272
- Issue date Mar 12, 1991
- Canon Kabushiki Kaisha
- Hirohide Tanikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-magnetic toner
- Patent number 4,985,327
- Issue date Jan 15, 1991
- Canon Kabushiki Kaisha
- Kiichiro Sakashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer and image forming device
- Patent number 4,957,840
- Issue date Sep 18, 1990
- Canon Kabushiki Kaisha
- Kiichiro Sakashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masatsugu Fujiwara

Person

Patents Grantslast 30 patents

Toner for developing electrostatic images and heat fixing method

Developing method, image forming method, and heat fixing method, wi...

Toner for developing electrostatic images, two component type devel...

Toner for developing electrostatic images and image forming method

Image forming process, image-forming apparatus, apparatus unit, and...

Toner for developing electrostatic image

Toner for developing electrostatic image and heat-fixing method com...

Positively chargeable magnetic toner, image forming process image f...

Developer with surface treated silicic acid for developing electros...

Developer in an image forming device having a binding resin and mag...

Electrophotographic analog and digital imaging and developing using...

Non-magnetic toner

Developer and image forming device