Sumio Kamoi

Person

Setagaya-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Development roller including a development sleeve, surface treatmen...
- Patent number 8,175,501
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Grant
Heat-resistant resin belt, manufacturing method thereof and image f...
- Patent number 8,047,940
- Issue date Nov 1, 2011
- Ricoh Company, Ltd.
- Atsushi Takai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Heat-resistant resin endless belt producing method
- Patent number 8,038,819
- Issue date Oct 18, 2011
- Ricoh Company, Ltd.
- Sumio Kamoi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Magnet compound material to be compression molded, a molded elongat...
- Patent number 7,572,388
- Issue date Aug 11, 2009
- Ricoh Company, Ltd.
- Satoshi Terashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long magnet, production method thereof, magnet roller and image for...
- Patent number 7,366,454
- Issue date Apr 29, 2008
- Ricoh Company, Limited
- Makoto Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Development magnet roller, development device, process cartridge an...
- Patent number 7,352,983
- Issue date Apr 1, 2008
- Ricoh Company, Ltd.
- Noriyuki Kamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller, developing apparatus, process cartridge, and ima...
- Patent number 7,203,450
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Mieko Kakegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing device therefor
- Patent number 7,189,338
- Issue date Mar 13, 2007
- Ricoh Company, Ltd.
- Sumio Kamoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Developing device and an image forming apparatus including the same
- Patent number 7,027,761
- Issue date Apr 11, 2006
- Ricoh Company, Ltd.
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using a developing roller and image forming appar...
- Patent number 6,697,593
- Issue date Feb 24, 2004
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sealing agent for liquid crystal display and liquid crystal display...
- Patent number 6,379,759
- Issue date Apr 30, 2002
- Ricoh Company, Ltd.
- Sumio Kamoi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer film liquid crystal display device
- Patent number 6,262,787
- Issue date Jul 17, 2001
- Ricoh Company, Ltd.
- Sumio Kamoi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display apparatus which prevents bubbles with a spac...
- Patent number 5,566,013
- Issue date Oct 15, 1996
- Ricoh Company, Ltd.
- Takumi Suzuki
- G02 - OPTICS
Information Patent Grant
Method of producing a liquid crystal display with a spacer
- Patent number 5,513,026
- Issue date Apr 30, 1996
- Ricoh Company, Ltd.
- Takumi Suzuki
- G02 - OPTICS
Information Patent Grant
Super twisted nematic liquid crystal display device having the stan...
- Patent number 5,044,733
- Issue date Sep 3, 1991
- Ricoh Company, Ltd.
- Sumio Kamoi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,984,873
- Issue date Jan 15, 1991
- Ricoh Company, Ltd.
- Yasuyuki Takiguchi
- G02 - OPTICS
Information Patent Grant
Liquid crystal color display device
- Patent number 4,793,691
- Issue date Dec 27, 1988
- Ricoh Company, Ltd.
- Takamichi Enomoto
- G02 - OPTICS
Information Patent Grant
Reaction setting, polymer, sealing material for liquid crystal disp...
- Patent number 4,470,668
- Issue date Sep 11, 1984
- Ricoh Company, Ltd.
- Hiroshi Inoue
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTROCONDUCTIVE RESIN BELT, METHOD OF PREPARING THE SAME, AND IMA...
- Publication number 20150227090
- Publication date Aug 13, 2015
- RICOH COMPANY, LTD.
- Sumio Kamoi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CONDUCTIVE RESIN BELT, METHOD OF MANUFACTURING THE CONDUCTIVE RESIN...
- Publication number 20150072148
- Publication date Mar 12, 2015
- RICOH COMPANY, LTD.
- Yumiko HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BELT ASSEMBLY, IMAGE-FORMING APPARATUS, AND METHOD FOR MANUFACTURIN...
- Publication number 20150004416
- Publication date Jan 1, 2015
- RICOH COMPANY, LTD.
- Takashi TANAKA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
SEAMLESS BELT AND PRODUCTION METHOD THEREOF, AND IMAGE FORMING APPA...
- Publication number 20140183420
- Publication date Jul 3, 2014
- RICOH COMPANY, LTD.
- Sumio KAMOI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT ROLLER INCLUDING A DEVELOPMENT SLEEVE, SURFACE TREATMEN...
- Publication number 20110142501
- Publication date Jun 16, 2011
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Application
Heat-Resistant Resin Endless Belt Producing Method
- Publication number 20100314039
- Publication date Dec 16, 2010
- RICOH COMPANY, LTD.
- Sumio KAMOI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
HEAT-RESISTANT RESIN BELT, MANUFACTURING METHOD THEREOF AND IMAGE F...
- Publication number 20090069138
- Publication date Mar 12, 2009
- RICOH COMPANY, LTD.
- Atsushi Takai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
IMAGE CARRIER, LUBRICANT-MOLDED BODY, LUBRICANT APPLICATION DEVICE,...
- Publication number 20080220355
- Publication date Sep 11, 2008
- RICOH COMPANY, LTD.
- Sumio Kamoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development roller, surface treatment device and wire member
- Publication number 20070059047
- Publication date Mar 15, 2007
- Noriyuki Kamiya
- B24 - GRINDING POLISHING
Information Patent Application
Magnet compound material to be compression molded, a molded elongat...
- Publication number 20070036590
- Publication date Feb 15, 2007
- Satoshi Terashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing roller, developing apparatus, process cartridge, and ima...
- Publication number 20050135843
- Publication date Jun 23, 2005
- Mieko Kakegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development magnet roller, development device, process cartridge an...
- Publication number 20050063738
- Publication date Mar 24, 2005
- Noriyuki Kamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Long magnet, production method thereof, magnet roller and image for...
- Publication number 20040258436
- Publication date Dec 23, 2004
- Makoto Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Developing device and an image forming apparatus including the same
- Publication number 20040234299
- Publication date Nov 25, 2004
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and developing device therefor
- Publication number 20040113118
- Publication date Jun 17, 2004
- Sumio Kamoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Developing device for an image forming apparatus and process cartri...
- Publication number 20040018031
- Publication date Jan 29, 2004
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device using a developing roller and image forming appar...
- Publication number 20020114647
- Publication date Aug 22, 2002
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEALING AGENT FOR LIQUID CRYSTAL DISPLAY AND LIQUID CRYSTAL DEISPLA...
- Publication number 20010053426
- Publication date Dec 20, 2001
- SUMIO KAMOI
- G02 - OPTICS

Sumio Kamoi

Person

Patents Grantslast 30 patents

Development roller including a development sleeve, surface treatmen...

Heat-resistant resin belt, manufacturing method thereof and image f...

Heat-resistant resin endless belt producing method

Magnet compound material to be compression molded, a molded elongat...

Long magnet, production method thereof, magnet roller and image for...

Development magnet roller, development device, process cartridge an...

Developing roller, developing apparatus, process cartridge, and ima...

Image forming apparatus and developing device therefor

Developing device and an image forming apparatus including the same

Developing device using a developing roller and image forming appar...

Sealing agent for liquid crystal display and liquid crystal display...

Polymer film liquid crystal display device

Liquid crystal display apparatus which prevents bubbles with a spac...

Method of producing a liquid crystal display with a spacer

Super twisted nematic liquid crystal display device having the stan...

Liquid crystal display device

Liquid crystal color display device

Reaction setting, polymer, sealing material for liquid crystal disp...

Patents Applicationslast 30 patents

ELECTROCONDUCTIVE RESIN BELT, METHOD OF PREPARING THE SAME, AND IMA...

CONDUCTIVE RESIN BELT, METHOD OF MANUFACTURING THE CONDUCTIVE RESIN...

BELT ASSEMBLY, IMAGE-FORMING APPARATUS, AND METHOD FOR MANUFACTURIN...

SEAMLESS BELT AND PRODUCTION METHOD THEREOF, AND IMAGE FORMING APPA...

DEVELOPMENT ROLLER INCLUDING A DEVELOPMENT SLEEVE, SURFACE TREATMEN...

Heat-Resistant Resin Endless Belt Producing Method

HEAT-RESISTANT RESIN BELT, MANUFACTURING METHOD THEREOF AND IMAGE F...

IMAGE CARRIER, LUBRICANT-MOLDED BODY, LUBRICANT APPLICATION DEVICE,...

Development roller, surface treatment device and wire member

Magnet compound material to be compression molded, a molded elongat...

Developing roller, developing apparatus, process cartridge, and ima...

Development magnet roller, development device, process cartridge an...

Long magnet, production method thereof, magnet roller and image for...

Developing device and an image forming apparatus including the same

Image forming apparatus and developing device therefor

Developing device for an image forming apparatus and process cartri...

Developing device using a developing roller and image forming appar...

SEALING AGENT FOR LIQUID CRYSTAL DISPLAY AND LIQUID CRYSTAL DEISPLA...