Kentaro Matsumoto

Person

Ichikawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with a device and a method to increase cont...
- Patent number 6,101,361
- Issue date Aug 8, 2000
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with support member
- Patent number 5,999,772
- Issue date Dec 7, 1999
- Ricoh Company, Ltd.
- Youtaro Kakitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a device to increase contact area betw...
- Patent number 5,884,134
- Issue date Mar 16, 1999
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for image forming apparatus
- Patent number 5,864,733
- Issue date Jan 26, 1999
- Ricoh Company, Ltd.
- Asami Mae
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a contact member contacting an image c...
- Patent number 5,585,896
- Issue date Dec 17, 1996
- Ricoh Company, Ltd.
- Kouichi Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of and system for cleaning a charge inducing member
- Patent number 5,572,293
- Issue date Nov 5, 1996
- Ricoh Company, Ltd.
- Nobuo Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning system for charging drum of an image forming apparatus
- Patent number 5,557,373
- Issue date Sep 17, 1996
- Ricoh Company, Ltd.
- Yoshiaki Miyashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner used in an image forming apparatus
- Patent number 5,512,708
- Issue date Apr 30, 1996
- Ricoh Company, Ltd.
- Sadao Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kentaro Matsumoto

Person

Patents Grantslast 30 patents

Image forming apparatus with a device and a method to increase cont...

Image forming apparatus with support member

Image forming apparatus with a device to increase contact area betw...

Developing device for image forming apparatus

Image forming apparatus with a contact member contacting an image c...

Method of and system for cleaning a charge inducing member

Cleaning system for charging drum of an image forming apparatus

Toner used in an image forming apparatus