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Naka Hirayama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Water-in-oil emulsion composition for forming silicone elastomer po...
Patent number
7,776,935
Issue date
Aug 17, 2010
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-in-oil emulsion composition for forming silicone elastomer po...
Patent number
7,285,578
Issue date
Oct 23, 2007
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Developing roller and method of producing the same
Patent number
7,007,384
Issue date
Mar 7, 2006
Nitto Kogyo Co., Ltd.
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developing roller
Patent number
6,685,612
Issue date
Feb 3, 2004
Nitto Kogyo Co., Ltd.
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developing roller and method of producing the same
Patent number
6,555,163
Issue date
Apr 29, 2003
Nitto Kogyo Co., Ltd.
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developing roller with porous surface
Patent number
6,471,628
Issue date
Oct 29, 2002
Nitto Kogyo Co. Ltd.
Naka Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing roller and method of producing the same
Patent number
6,461,674
Issue date
Oct 8, 2002
Nitto Kogyo Co., Ltd.
Naka Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for forming a porous covering layer on a substrate
Patent number
6,383,564
Issue date
May 7, 2002
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Developing roller
Patent number
6,270,449
Issue date
Aug 7, 2001
Nitto Kogyo Co., Ltd.
Naka Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electroconductive roller and apparatus and method for testing it
Patent number
6,092,032
Issue date
Jul 18, 2000
Nitto Kogyo Co., Ltd.
Naka Hirayama
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Water-in-oil emulsion composition for forming silicone elastomer po...
Publication number
20070179209
Publication date
Aug 2, 2007
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Silicone elastomer porous body
Publication number
20050143480
Publication date
Jun 30, 2005
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-in-oil emulsion composition for forming silicone elastomer po...
Publication number
20050113461
Publication date
May 26, 2005
Nitto Kogyo Co., Ltd.
Naka Hirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Developing roller and method of producing the same
Publication number
20030013588
Publication date
Jan 16, 2003
Nitto Kogyo Co. Ltd.
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Developing roller and method of producing the same
Publication number
20030012585
Publication date
Jan 16, 2003
Nitto Kogyo Co. Ltd.
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Developing roller and method of producing the same
Publication number
20020128138
Publication date
Sep 12, 2002
Naka Hirayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC