Naoki Ohta

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic charging member, electrostatic charging device, proce...
- Patent number 8,090,298
- Issue date Jan 3, 2012
- Fuji Xerox Co., Ltd.
- Takuro Hoshio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member cleaning roller, charging member cleaning roller fo...
- Patent number 7,801,461
- Issue date Sep 21, 2010
- Fuji Xerox Co., Ltd.
- Takuro Hoshio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using electrophotography and process cartridge
- Patent number 7,177,582
- Issue date Feb 13, 2007
- Fuji Xerox Co., Ltd.
- Naoki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing sleeve for electrophotography and process for image form...
- Patent number 5,851,719
- Issue date Dec 22, 1998
- Fuji Xerox Co., Ltd.
- Masayuki Takei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230384725
- Publication date Nov 30, 2023
- Keita SONE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230152732
- Publication date May 18, 2023
- RICOH COMPANY, LTD.
- Naoki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC CHARGING MEMBER, ELECTROSTATIC CHARGING DEVICE, PROCE...
- Publication number 20100104316
- Publication date Apr 29, 2010
- FUJI XEROX CO., LTD
- Takuro HOSHIO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging member cleaning roller, charging device, process cartridge...
- Publication number 20080019729
- Publication date Jan 24, 2008
- FUJI XEROX CO., LTD
- Takuro Hoshio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20060024100
- Publication date Feb 2, 2006
- FUJI XEROX CO., LTD
- Naoki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20050214045
- Publication date Sep 29, 2005
- FUJI XEROX CO., LTD
- Naoki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY