Koya Tanaka

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Ebina-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and bias power-supply device
- Patent number 9,921,538
- Issue date Mar 20, 2018
- Fuji Xerox Co., Ltd.
- Koya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Bias power supply device and image forming apparatus
- Patent number 8,891,985
- Issue date Nov 18, 2014
- Fuji Xerox Co., Ltd.
- Koya Tanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Image formation apparatus with toner retention member
- Patent number 7,792,462
- Issue date Sep 7, 2010
- Fuji Xerox Co., Ltd.
- Jin Iwasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus with residue toner charging section with...
- Patent number 7,603,058
- Issue date Oct 13, 2009
- Fuji Xerox Co., Ltd.
- Jin Iwasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and image forming apparatus
- Patent number 7,024,125
- Issue date Apr 4, 2006
- Fuji Xerox Co., Ltd.
- Yasutomo Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND BIAS POWER-SUPPLY DEVICE
- Publication number 20170090393
- Publication date Mar 30, 2017
- FUJI XEROX CO., LTD
- Koya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BIAS POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130330094
- Publication date Dec 12, 2013
- FUJI XEROX CO., LTD
- Koya TANAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Image Formation Apparatus
- Publication number 20090103941
- Publication date Apr 23, 2009
- Fuji Xerox co., LTD.
- Jin Iwasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation apparatus
- Publication number 20060210308
- Publication date Sep 21, 2006
- Fuji Xerox co., LTD.
- Jin Iwasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging device and image forming apparatus
- Publication number 20040258430
- Publication date Dec 23, 2004
- Fuji Xerox co., LTD.
- Yasutomo Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY