Kohichi Yamazaki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Development device and image forming apparatus incorporating same
- Patent number 8,559,856
- Issue date Oct 15, 2013
- Ricoh Company, Ltd.
- Yuji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 8,005,377
- Issue date Aug 23, 2011
- Ricoh Company, Ltd.
- Kohichi Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a device and a method to increase cont...
- Patent number 6,101,361
- Issue date Aug 8, 2000
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a device to increase contact area betw...
- Patent number 5,884,134
- Issue date Mar 16, 1999
- Ricoh Co., Ltd.
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140003843
- Publication date Jan 2, 2014
- RICOH COMPANY, LTD.
- Yuji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development device and image forming apparatus incorporating same
- Publication number 20120051797
- Publication date Mar 1, 2012
- RICOH COMPANY, LTD.
- Yuji Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device
- Publication number 20090185815
- Publication date Jul 23, 2009
- Ricoh Company, Ltd.
- Kohichi Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having an optical unit and an image reading...
- Publication number 20070121176
- Publication date May 31, 2007
- Ricoh Company, Limited
- Kohichi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE