Hirokazu Fujita

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color registration method and image forming apparatus
- Patent number 7,865,119
- Issue date Jan 4, 2011
- Sharp Kabushiki Kaisha
- Kengo Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser scanning optical system and image forming apparatus
- Patent number 7,755,809
- Issue date Jul 13, 2010
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- G02 - OPTICS
Information Patent Grant
Light beam scanner and image forming apparatus
- Patent number 7,295,359
- Issue date Nov 13, 2007
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fixing device for fixing an unfixed developing agent on a recording...
- Patent number 7,221,896
- Issue date May 22, 2007
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Capacitive load driving circuit, capacitive load driving method, an...
- Patent number 7,049,756
- Issue date May 23, 2006
- Sharp Kabushiki Kaisha
- Masahiko Aiba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image forming apparatus in which toner is removed by changing elect...
- Patent number 6,601,946
- Issue date Aug 5, 2003
- Sharp Kabushiki Kaisha
- Shirou Wakahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having float electrode provided to make uni...
- Patent number 6,283,583
- Issue date Sep 4, 2001
- Sharp Kabushiki Kaisha
- Daisaku Imaizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 6,106,104
- Issue date Aug 22, 2000
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus selectively charging toner using doctor blade
- Patent number 6,049,345
- Issue date Apr 11, 2000
- Sharp Kabushiki Kaisha
- Yukihito Nishio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including means for controlling the flight...
- Patent number 5,825,384
- Issue date Oct 20, 1998
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic image former with improved toner control grid
- Patent number 5,606,402
- Issue date Feb 25, 1997
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Image forming apparatus
- Patent number 5,585,893
- Issue date Dec 17, 1996
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with impedance detection
- Patent number 5,572,309
- Issue date Nov 5, 1996
- Sharp Kabushiki Kaisha
- Yukihito Nishio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying machine with image superposition capability
- Patent number 5,546,169
- Issue date Aug 13, 1996
- Sharp Kabushiki Kaisha
- Takasumi Wada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus having selective erasing capability
- Patent number 5,245,438
- Issue date Sep 14, 1993
- Sharp Kabushiki Kaisha
- Yoichi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Color registration method and image forming apparatus
- Publication number 20070242986
- Publication date Oct 18, 2007
- Sharp Kabushiki Kaisha
- Kengo Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LASER SCANNING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS
- Publication number 20070146848
- Publication date Jun 28, 2007
- Hirokazu FUJITA
- G02 - OPTICS
Information Patent Application
Light beam scanner and image forming apparatus
- Publication number 20050219672
- Publication date Oct 6, 2005
- Sharp Kabushiki Kaisha
- Hirokazu Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fixing device and image forming apparatus including the same
- Publication number 20050123330
- Publication date Jun 9, 2005
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Capactive load driving circuit, capacitive load driving method, and...
- Publication number 20040169545
- Publication date Sep 2, 2004
- Masahiko Aiba
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Hirokazu Fujita

Person

Patents Grantslast 30 patents

Color registration method and image forming apparatus

Laser scanning optical system and image forming apparatus

Light beam scanner and image forming apparatus

Fixing device for fixing an unfixed developing agent on a recording...

Capacitive load driving circuit, capacitive load driving method, an...

Image forming apparatus in which toner is removed by changing elect...

Image forming apparatus having float electrode provided to make uni...

Image forming apparatus

Image forming apparatus selectively charging toner using doctor blade

Image forming apparatus including means for controlling the flight...

Electrostatic image former with improved toner control grid

Image forming apparatus

Image forming apparatus with impedance detection

Copying machine with image superposition capability

Image formation apparatus having selective erasing capability

Patents Applicationslast 30 patents

Color registration method and image forming apparatus

LASER SCANNING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS

Light beam scanner and image forming apparatus

Fixing device and image forming apparatus including the same

Capactive load driving circuit, capacitive load driving method, and...