Toshio Tsubota

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotograph developing roller and image forming device using...
- Patent number 7,450,892
- Issue date Nov 11, 2008
- Fuji Electric Imaging Device Co., Ltd.
- Toshio Tsubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and method of manufacturing the...
- Patent number 5,919,591
- Issue date Jul 6, 1999
- Fuji Electric Co., Ltd.
- Naoyuki Senba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge generation agent electrophotographic photoconductors and met...
- Patent number 5,905,009
- Issue date May 18, 1999
- Fuji Electric Co., Ltd.
- Yoichi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrophotograph developing roller and image forming device using...
- Publication number 20060204286
- Publication date Sep 14, 2006
- FUJI ELECTRIC IMAGING DEVICE CO., LTD
- Toshio Tsubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cylindrical developer carrier and production method thereof
- Publication number 20050065006
- Publication date Mar 24, 2005
- Fuji Electric Imaging Device Co.
- Toshio Tsubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Endless flexible, single-layer, positively charged organic photosen...
- Publication number 20030059696
- Publication date Mar 27, 2003
- Osamu Nabeta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY