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Michio Suzuki
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Kako-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
1,2-benzisothiazol-3-one compound production method
Patent number
8,802,862
Issue date
Aug 12, 2014
Sumitomo Seika Chemicals Co., Ltd.
Takehiro Hiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photoacid generator and photoreactive composition
Patent number
8,216,768
Issue date
Jul 10, 2012
Sumitomo Seika Chemicals Co., Ltd.
Katsumasa Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photo-stabilized cyanine dyes and optical recording media
Patent number
6,071,672
Issue date
Jun 6, 2000
TDK Corporation
Kenryo Namba
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Substituted benzenedithiol metal complex
Patent number
5,959,152
Issue date
Sep 28, 1999
Sumitomo Seika Chemicals Co., Ltd.
Kazuyoshi Hirako
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thread rubber for golf balls
Patent number
5,861,465
Issue date
Jan 19, 1999
Sumitomo Rubber Industries, Ltd.
Akihiko Hamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Substituted benzenedithiol metal complex
Patent number
5,856,520
Issue date
Jan 5, 1999
Sumitomo Seika Chemicals Co., Ltd.
Kazuyoshi Hirako
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel sulfur-containing compound and method for preparing the same
Patent number
5,834,621
Issue date
Nov 10, 1998
Sumitomo Seika Chemicals Co., Ltd.
Katsumasa Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Wound golf ball and rubber thread therefore
Patent number
5,816,939
Issue date
Oct 6, 1998
Sumitomo Rubber Industries, Ltd.
Akihiko Hamada
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Method for producing dichlorophenylthioglycolic acid
Patent number
5,210,291
Issue date
May 11, 1993
Sumitomo Seika Chemicals Co., Ltd.
Michio Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-tert.-butyl-1,2-benzenedithiol, complex compounds derived therefr...
Patent number
4,835,317
Issue date
May 30, 1989
Seitetsu Kagaku Co., Ltd.
Michio Suzuki
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
1,2-BENZISOTHIAZOL-3-ONE COMPOUND PRODUCTION METHOD
Publication number
20130345433
Publication date
Dec 26, 2013
Sumitomo Seika Chemicals Co., Ltd.
Takehiro Hiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOTOACID GENERATOR AND PHOTOREACTIVE COMPOSITION
Publication number
20100233621
Publication date
Sep 16, 2010
Sumitomo Seika Chemicals Co., Ltd.
Katsumasa Yamamoto
C07 - ORGANIC CHEMISTRY