Yumiko Yagi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carrier for developing electrostatic latent image, and electrostati...
- Patent number 9,146,487
- Issue date Sep 29, 2015
- Ricoh Company, Ltd.
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying unit, process cartridge, image forming apparatus...
- Patent number 7,505,728
- Issue date Mar 17, 2009
- Ricoh Company, Limited
- Daichi Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying unit, process cartridge, image forming apparatus...
- Patent number 7,209,699
- Issue date Apr 24, 2007
- Ricoh Company, Limited
- Daichi Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND ELECTROSTATI...
- Publication number 20140023966
- Publication date Jan 23, 2014
- Toyoshi SAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLYING UNIT, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS...
- Publication number 20070166087
- Publication date Jul 19, 2007
- Daichi Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applying unit, process cartridge, image forming apparatus...
- Publication number 20050191099
- Publication date Sep 1, 2005
- Daichi Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY