Hiroshi Takashima

Person

Yono, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color image forming device which changes developing bias when switc...
- Patent number 5,826,146
- Issue date Oct 20, 1998
- Ricoh Company, Ltd.
- Takayuki Maruta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of developing latent electrostatic images and developer-bear...
- Patent number 5,741,616
- Issue date Apr 21, 1998
- Ricoh Company, Ltd.
- Yasuo Hirano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrier capable of forming microfields thereon and method...
- Patent number 5,674,408
- Issue date Oct 7, 1997
- Ricoh Company, Ltd.
- Koji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming device which changes developing bias when switc...
- Patent number 5,671,470
- Issue date Sep 23, 1997
- Ricoh Company, Ltd.
- Takayuki Maruta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus using a developer carrier capable of forming m...
- Patent number 5,451,713
- Issue date Sep 19, 1995
- Ricoh Company, Ltd.
- Koji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an image orientation identifying dev...
- Patent number 5,383,754
- Issue date Jan 24, 1995
- Ricoh Company, Ltd.
- Hiroyasu Sumida
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Developing apparatus using a developer carrier capable of forming m...
- Patent number 5,315,061
- Issue date May 24, 1994
- Ricoh Company, Ltd.
- Koji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus using a developer carrier capable of forming m...
- Patent number 5,286,918
- Issue date Feb 15, 1994
- Ricoh Company, Ltd.
- Naoki Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrier of a developing device and a method of producing...
- Patent number 5,172,169
- Issue date Dec 15, 1992
- Ricoh Company, Ltd.
- Hiroshi Takashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Takashima

Person

Patents Grantslast 30 patents

Color image forming device which changes developing bias when switc...

Method of developing latent electrostatic images and developer-bear...

Developer carrier capable of forming microfields thereon and method...

Color image forming device which changes developing bias when switc...

Developing apparatus using a developer carrier capable of forming m...

Image forming apparatus having an image orientation identifying dev...

Developing apparatus using a developer carrier capable of forming m...

Developing apparatus using a developer carrier capable of forming m...

Developer carrier of a developing device and a method of producing...