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Shigeo Hozumi
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Minoo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of preserving photosensitive composition
Patent number
6,531,521
Issue date
Mar 11, 2003
Sumitomo Chemical Company, Limited
Koji Baba
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pigment-dispersion photo-sensitive coating solution
Patent number
6,514,669
Issue date
Feb 4, 2003
Sumitomo Chemical Company, Limited
Kazuo Takebe
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Color filter, method of manufacturing color filter and photosensiti...
Patent number
6,344,300
Issue date
Feb 5, 2002
Sumitomo Chemical Co., Ltd.
Koji Baba
G02 - OPTICS
Information
Patent Grant
Photo-curing resin composition for DVD
Patent number
5,989,778
Issue date
Nov 23, 1999
Sumitomo Chemical Company, Limited
Shigeo Hozumi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Filter for liquid crystal display device
Patent number
5,851,700
Issue date
Dec 22, 1998
Sumitomo Chemical Company, Limited
Masaru Honda
G02 - OPTICS
Information
Patent Grant
Photoresist composition comprising a polyfunctional vinyl ether com...
Patent number
5,719,008
Issue date
Feb 17, 1998
Sumitomo Chemical Company, Limited
Shigeo Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyfunctional vinyl ether compound and photoresist resin compositi...
Patent number
5,672,463
Issue date
Sep 30, 1997
Sumitomo Chemical Company, Limited
Shigeo Hozumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyfunctional vinyl ether compound and photoresist resin compositi...
Patent number
5,510,540
Issue date
Apr 23, 1996
Sumitomo Chemical Company, Limited
Shigeo Hozumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting resin composition and a composite material comprising...
Patent number
5,300,592
Issue date
Apr 5, 1994
Sumitomo Chemical Company, Limited
Shuichi Kanagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing light control plate having light-scattering p...
Patent number
5,137,801
Issue date
Aug 11, 1992
Nippon Sheet Glass Co., Ltd.
Toshifumi Tsujino
G02 - OPTICS
Information
Patent Grant
Method of producing light control plate which induces scattering of...
Patent number
5,112,722
Issue date
May 12, 1992
Nippon Sheet Glass Co., Ltd.
Toshifumi Tsujino
G02 - OPTICS
Information
Patent Grant
Thermosetting resin composition composed of a polymaleimide compoun...
Patent number
5,041,507
Issue date
Aug 20, 1991
Sumitomo Chemical Company, Limited
Shuichi Kanagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting resin composition comprising a partly allylated novol...
Patent number
4,755,569
Issue date
Jul 5, 1988
Sumitomo Chemical Company, Limited
Shuichi Kanagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method of preserving photosensitive composition
Publication number
20020025992
Publication date
Feb 28, 2002
Koji Baba
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Pigment-dispersion photo-sensitive coating solution
Publication number
20010004511
Publication date
Jun 21, 2001
Kazuo Takebe
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC