Kazuo Nojima

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Member for developing electrostatic latent images
- Patent number RE37429
- Issue date Oct 30, 2001
- Ricoh Company, Ltd.
- Kazuo Nojima
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Image forming apparatus and charging device thereof
- Patent number 5,881,344
- Issue date Mar 9, 1999
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge roller for an image forming apparatus
- Patent number 5,786,091
- Issue date Jul 28, 1998
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus charging member formed of sequential overly...
- Patent number 5,761,581
- Issue date Jun 2, 1998
- Ricoh Company, Ltd.
- Kazuo Nojima
- 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
Image forming apparatus which maintains a temperature of a charge r...
- Patent number 5,689,770
- Issue date Nov 18, 1997
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge roller and image forming apparatus using the same
- Patent number 5,499,078
- Issue date Mar 12, 1996
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge rollers having improved layer structure and/or surface chara...
- Patent number 5,497,219
- Issue date Mar 5, 1996
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and charging device thereof
- Patent number 5,479,243
- Issue date Dec 26, 1995
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for image forming equipment
- Patent number 5,384,628
- Issue date Jan 24, 1995
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Member for developing electrostatic latent images
- Patent number 4,994,319
- Issue date Feb 19, 1991
- Ricoh Company, Ltd.
- Kazuo Nojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Member for developing electrostatic latent images
- Patent number 4,958,193
- Issue date Sep 18, 1990
- Ricoh Company, Ltd.
- Kazuo Nojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrier containing electrically conductive filler present...
- Patent number 4,908,665
- Issue date Mar 13, 1990
- Ricoh Company, Ltd.
- Fuchio Takeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus
- Patent number 4,833,058
- Issue date May 23, 1989
- Ricoh Co., Ltd.
- Yasuo Hirano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing roll
- Patent number 4,702,964
- Issue date Oct 27, 1987
- Ricoh Co., Ltd.
- Yasuo Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fixing roll
- Patent number 4,603,087
- Issue date Jul 29, 1986
- Ricoh Co., Ltd.
- Hideaki Ema
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazuo Nojima

Person

Patents Grantslast 30 patents

Member for developing electrostatic latent images

Image forming apparatus and charging device thereof

Charge roller for an image forming apparatus

Image forming apparatus charging member formed of sequential overly...

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

Image forming apparatus which maintains a temperature of a charge r...

Charge roller and image forming apparatus using the same

Charge rollers having improved layer structure and/or surface chara...

Image forming apparatus and charging device thereof

Developing device for image forming equipment

Member for developing electrostatic latent images

Member for developing electrostatic latent images

Developer carrier containing electrically conductive filler present...

Developing apparatus

Fixing roll

Fixing roll