Tetsuya Sakuma

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor, and electrophotographic method,...
- Patent number 8,349,529
- Issue date Jan 8, 2013
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and electrophotographic apparatus
- Patent number 7,704,655
- Issue date Apr 27, 2010
- Yamanashi Electronics Co., Ltd.
- Hajime Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor with polycarbonate copolymer and...
- Patent number 5,876,892
- Issue date Mar 2, 1999
- Shindengen Electric Manufacturing Co., Ltd
- Kenichi Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC METHOD,...
- Publication number 20100290807
- Publication date Nov 18, 2010
- Keisuke SHIMOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20090004585
- Publication date Jan 1, 2009
- YAMANASHI ELECTRONICS CO., LTD.
- Hajime Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY