Masashi Nakayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller, developing roller, developing device, process cartridge, an...
- Patent number 9,098,016
- Issue date Aug 4, 2015
- Ricoh Company, Ltd.
- Yuki Moro
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Powder feeding device having negative pressure generation control a...
- Patent number 9,031,474
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder feeding device having negative pressure generation control a...
- Patent number 8,837,992
- Issue date Sep 16, 2014
- Ricoh Company, Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ROLLER, DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AN...
- Publication number 20140356031
- Publication date Dec 4, 2014
- RICOH COMPANY, LTD.
- Yuki Moro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER FEEDING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140341618
- Publication date Nov 20, 2014
- RICOH COMPANY, LTD.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHTING DEVICE
- Publication number 20140085862
- Publication date Mar 27, 2014
- TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
- Kazunari HIGUCHI
- F21 - LIGHTING
Information Patent Application
LUMINAIRE
- Publication number 20140085902
- Publication date Mar 27, 2014
- TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
- Kazunari HIGUCHI
- F21 - LIGHTING
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20120134721
- Publication date May 31, 2012
- RICOH COMPANY, LTD.
- Hiroya ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Powder feeding device and image forming apparatus
- Publication number 20120063814
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY