Ryoichi Fujita

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner and method for manufacturing toner
- Patent number 8,524,434
- Issue date Sep 3, 2013
- Canon Kabushiki Kaisha
- Tsuneyoshi Tominaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cyan toner
- Patent number 8,460,845
- Issue date Jun 11, 2013
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Black toner
- Patent number 7,943,281
- Issue date May 17, 2011
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner
- Patent number 7,794,908
- Issue date Sep 14, 2010
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner
- Patent number 7,794,909
- Issue date Sep 14, 2010
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner
- Patent number 7,776,501
- Issue date Aug 17, 2010
- Canon Kabushiki Kaisha
- Shigeto Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic carrier and two-component developer
- Patent number 7,244,539
- Issue date Jul 17, 2007
- Canon Kabushiki Kaisha
- Yoshinobu Baba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and two-component developer
- Patent number 7,144,668
- Issue date Dec 5, 2006
- Canon Kabushiki Kaisha
- Yoshinobu Baba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing toner particles
- Patent number 6,953,648
- Issue date Oct 11, 2005
- Canon Kabushiki Kaisha
- Takeshi Tsujino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner production process, and image-forming method
- Patent number 6,346,356
- Issue date Feb 12, 2002
- Canon Kabushiki Kaisha
- Manabu Ohno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component type developer and image forming method
- Patent number 6,312,862
- Issue date Nov 6, 2001
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus, image forming method, and process ca...
- Patent number 6,285,848
- Issue date Sep 4, 2001
- Canon Kabushiki Kaisha
- Shuichi Aita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Yellow toner, process for producing the tower and image forming met...
- Patent number 6,187,495
- Issue date Feb 13, 2001
- Canon Kabushiki Kaisha
- Tatsuhiko Chiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus using specific dev...
- Patent number 6,137,977
- Issue date Oct 24, 2000
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, two-component developer and image forming method
- Patent number 6,077,635
- Issue date Jun 20, 2000
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic images, and image-forming method
- Patent number 6,013,406
- Issue date Jan 11, 2000
- Canon Kabushiki Kaisha
- Yuji Moriki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method
- Patent number 5,994,019
- Issue date Nov 30, 1999
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magenta toner, process for producing same and color image forming m...
- Patent number 5,912,099
- Issue date Jun 15, 1999
- Canon Kabushiki Kaisha
- Makoto Kanbayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotography, two-component type developer, and i...
- Patent number 5,885,742
- Issue date Mar 23, 1999
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image and fixing method
- Patent number 5,851,714
- Issue date Dec 22, 1998
- Canon Kabushiki Kaisha
- Masaaki Taya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming and transferring method using a peeling layer
- Patent number 5,842,097
- Issue date Nov 24, 1998
- Canon Kabushiki Kaisha
- Makoto Kanbayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Yellow toner for developing electrostatic image, two component deve...
- Patent number 5,750,298
- Issue date May 12, 1998
- Canon Kabushiki Kaisha
- Makoto Kanbayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic images containing aromatic hydro...
- Patent number 5,747,209
- Issue date May 5, 1998
- Canon Kabushiki Kaisha
- Tsuyoshi Takiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method employing toner with external additive
- Patent number 5,733,702
- Issue date Mar 31, 1998
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic images and charge-controlling agent
- Patent number 5,700,617
- Issue date Dec 23, 1997
- Canon Kabushiki Kaisha
- Tsuyoshi Takiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotography, two-component type developer, and i...
- Patent number 5,670,288
- Issue date Sep 23, 1997
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image comprising titanium oxide...
- Patent number 5,637,432
- Issue date Jun 10, 1997
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer and image forming method
- Patent number 5,620,824
- Issue date Apr 15, 1997
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic image
- Patent number 5,604,071
- Issue date Feb 18, 1997
- Canon Kabushiki Kaisha
- Kenji Okado
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Carrier for electrophotography, two-component type developer, and i...
- Patent number 5,512,402
- Issue date Apr 30, 1996
- Canon Kabushiki Kaisha
- Kenji Okado
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER AND METHOD FOR MANUFACTURING TONER
- Publication number 20110305984
- Publication date Dec 15, 2011
- Canon Kabushiki Kaisha
- Tsuneyoshi Tominaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COLOR TONER
- Publication number 20100273102
- Publication date Oct 28, 2010
- Canon Kabushiki Kaisha
- Shigeto Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CYAN TONER
- Publication number 20100062355
- Publication date Mar 11, 2010
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER
- Publication number 20090263738
- Publication date Oct 22, 2009
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER
- Publication number 20090170021
- Publication date Jul 2, 2009
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COLOR TONER
- Publication number 20090035685
- Publication date Feb 5, 2009
- Canon Kabushiki Kaisha
- Shigeto Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Black Toner
- Publication number 20090011353
- Publication date Jan 8, 2009
- Canon Kabushiki Kaisha
- Takaaki Kaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic carrier and two-component developer
- Publication number 20040253529
- Publication date Dec 16, 2004
- Canon Kabushiki Kaisha
- Yoshinobu Baba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and two-component developer
- Publication number 20040175643
- Publication date Sep 9, 2004
- Yoshinobu Baba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process for producing toner particles
- Publication number 20030232269
- Publication date Dec 18, 2003
- Takeshi Tsujino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryoichi Fujita

Person

Patents Grantslast 30 patents

Toner and method for manufacturing toner

Cyan toner

Black toner

Toner

Toner

Color toner

Magnetic carrier and two-component developer

Toner and two-component developer

Process for producing toner particles

Toner, toner production process, and image-forming method

Two-component type developer and image forming method

Electrophotographic apparatus, image forming method, and process ca...

Yellow toner, process for producing the tower and image forming met...

Image forming method and image forming apparatus using specific dev...

Toner, two-component developer and image forming method

Toner for developing electrostatic images, and image-forming method

Image forming method

Magenta toner, process for producing same and color image forming m...

Carrier for electrophotography, two-component type developer, and i...

Toner for developing electrostatic image and fixing method

Image forming and transferring method using a peeling layer

Yellow toner for developing electrostatic image, two component deve...

Toner for developing electrostatic images containing aromatic hydro...

Image forming method employing toner with external additive

Toner for developing electrostatic images and charge-controlling agent

Carrier for electrophotography, two-component type developer, and i...

Toner for developing electrostatic image comprising titanium oxide...

Toner, developer and image forming method

Toner for developing electrostatic image

Carrier for electrophotography, two-component type developer, and i...

Patents Applicationslast 30 patents

TONER AND METHOD FOR MANUFACTURING TONER

COLOR TONER

CYAN TONER

TONER

TONER

COLOR TONER

Black Toner

Magnetic carrier and two-component developer

Toner and two-component developer

Process for producing toner particles