Youichi Takeuchi

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photoconductive drum and image forming apparatus having the same
- Patent number 8,213,834
- Issue date Jul 3, 2012
- Ricoh Company, Ltd.
- Shingo Takai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus for a continuous strip of paper sheet...
- Patent number 5,802,444
- Issue date Sep 1, 1998
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply control system for an electrophotographic apparatus
- Patent number 5,606,403
- Issue date Feb 25, 1997
- Hitachi Koki Co., Ltd.
- Toru Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device in electrophotographic apparatus including develo...
- Patent number 5,545,840
- Issue date Aug 13, 1996
- Hitachi Koki Co., Ltd.
- Koji Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having developer regulating member
- Patent number 5,516,982
- Issue date May 14, 1996
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit for an electrophotographic apparatus
- Patent number 5,483,322
- Issue date Jan 9, 1996
- Hitachi Koki Co., Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for electrophotograph-type printer
- Patent number 5,416,571
- Issue date May 16, 1995
- Hitachi Koki Co., Ltd.
- Koutaro Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PHOTOCONDUCTIVE DRUM AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20100221041
- Publication date Sep 2, 2010
- Shingo TAKAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Youichi Takeuchi

Person

Patents Grantslast 30 patents

Photoconductive drum and image forming apparatus having the same

Electrophotographic apparatus for a continuous strip of paper sheet...

Toner supply control system for an electrophotographic apparatus

Developing device in electrophotographic apparatus including develo...

Developing apparatus having developer regulating member

Developing unit for an electrophotographic apparatus

Developing device for electrophotograph-type printer

Patents Applicationslast 30 patents

PHOTOCONDUCTIVE DRUM AND IMAGE FORMING APPARATUS HAVING THE SAME