Hidehiko Myoken

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Kako-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composition for ultraviolet absorbent substance and ultraviolet abs...
- Patent number 8,540,904
- Issue date Sep 24, 2013
- Sumitomo Seika Chemicals Co., Ltd.
- Yusaku Masuhara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for production of methylene disulfonate compound
- Patent number 7,829,730
- Issue date Nov 9, 2010
- Sumitomo Seika Chemicals Co., Ltd.
- Takehiro Hiyama
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION FOR ULTRAVIOLET ABSORBENT SUBSTANCE AND ULTRAVIOLET ABS...
- Publication number 20120313058
- Publication date Dec 13, 2012
- Sumitomo Seika Chemicals Co., Ltd.
- Yusaku Masuhara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR PRODUCTION OF METHYLENE DISULFONATE COMPOUND
- Publication number 20090137820
- Publication date May 28, 2009
- Sumitomo Seika Chemicals Co., Ltd.
- Takehiro Hiyama
- C07 - ORGANIC CHEMISTRY