Ryohichi Kitajima

Person

Numazu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner bearer, and developing device and image forming apparatus usi...
- Patent number 8,606,150
- Issue date Dec 10, 2013
- Ricoh Company, Ltd.
- Yasuyuki Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and process for manufacturing th...
- Patent number 7,354,686
- Issue date Apr 8, 2008
- Ricoh Company, Ltd.
- Naohiro Toda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,177,583
- Issue date Feb 13, 2007
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,031,650
- Issue date Apr 18, 2006
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 6,853,834
- Issue date Feb 8, 2005
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus using...
- Patent number 6,853,823
- Issue date Feb 8, 2005
- Ricoh Company Ltd.
- Akihiro Sugino
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrophotographic photoreceptor, method for manufacturing the pho...
- Patent number 6,844,124
- Issue date Jan 18, 2005
- Ricoh Company Limited
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming method and apparatus
- Patent number 6,824,939
- Issue date Nov 30, 2004
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method for manufacturing the pho...
- Patent number 6,641,964
- Issue date Nov 4, 2003
- Ricoh Company Limited
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER BEARER, AND DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USI...
- Publication number 20120063816
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Yasuyuki YAMASHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20060056893
- Publication date Mar 16, 2006
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20050105942
- Publication date May 19, 2005
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and process for manufacturing th...
- Publication number 20040234875
- Publication date Nov 25, 2004
- Naohiro Toda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, method for manufacturing the pho...
- Publication number 20040048178
- Publication date Mar 11, 2004
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20040028435
- Publication date Feb 12, 2004
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus using...
- Publication number 20030215726
- Publication date Nov 20, 2003
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming method and apparatus
- Publication number 20030206226
- Publication date Nov 6, 2003
- RICOH COMPANY LIMITED
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, method for manufacturing the pho...
- Publication number 20020115005
- Publication date Aug 22, 2002
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryohichi Kitajima

Person

Patents Grantslast 30 patents

Toner bearer, and developing device and image forming apparatus usi...

Electrophotographic photoconductor and process for manufacturing th...

Image forming apparatus and copier

Image forming apparatus and copier

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photoreceptor, method for manufacturing the pho...

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, method for manufacturing the pho...

Patents Applicationslast 30 patents

TONER BEARER, AND DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USI...

Image forming apparatus and copier

Image forming apparatus and copier

Electrophotographic photoconductor and process for manufacturing th...

Electrophotographic photoreceptor, method for manufacturing the pho...

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, method for manufacturing the pho...