Yasufumi Kayahara

Follow

Person

Saitama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge
- Patent number 7,912,409
- Issue date Mar 22, 2011
- Fuji Xerox Co., Ltd.
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge and image forming apparatus
- Patent number 7,647,010
- Issue date Jan 12, 2010
- Fuji Xerox Co., Ltd.
- Hiromitsu Koizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number 7,529,511
- Issue date May 5, 2009
- Fuji Xerox Co., Ltd.
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development roller, development roller base, development roller man...
- Patent number 7,203,451
- Issue date Apr 10, 2007
- Fuji Xerox Co., Ltd.
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER CARTRIDGE
- Publication number 20090103945
- Publication date Apr 23, 2009
- FUJI XEROX CO., LTD
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner cartridge and image forming apparatus
- Publication number 20070253747
- Publication date Nov 1, 2007
- FUJI XEROX CO., LTD
- Hiromitsu Koizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner cartridge
- Publication number 20070253743
- Publication date Nov 1, 2007
- FUJI XEROX CO., LTD
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development roller, development roller base, development roller man...
- Publication number 20050095039
- Publication date May 5, 2005
- Fuji Xerox co., LTD.
- Yasufumi Kayahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY