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Haruo Yoshida
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Oita, JP
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last 30 patents
Information
Patent Grant
Method of producing a curable composition containing 4,4'-bis(metha...
Patent number
5,270,439
Issue date
Dec 14, 1993
Sumitomo Seika Chemicals Co., Ltd.
Satoshi Maruyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4,4'-bis(methacryloylthio)diphenylsulfide
Patent number
5,183,917
Issue date
Feb 2, 1993
Showa Denko K.K.
Satoshi Maruyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable vinyl compound having polythioether skeleton
Patent number
5,047,576
Issue date
Sep 10, 1991
Showa Denko Kabushiki Kaisha
Yoichiro Takenosita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of polymer having isoindole structures
Patent number
4,954,590
Issue date
Sep 4, 1990
Showa Denko Kabushiki Kaisha
Haruo Yoshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer having isoindole structure
Patent number
4,833,231
Issue date
May 23, 1989
Showa Denko Kabushiki Kaisha
Haruo Yoshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Spiropiperidinenaphthoxazine compound
Patent number
4,772,700
Issue date
Sep 20, 1988
Showa Denko Kabushiki Kaisha
Susumu Kawauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrically conductive liquid crystalline substance and polymer
Patent number
4,769,448
Issue date
Sep 6, 1988
Showa Denko Kabushiki Kaisha
Alan J. Heeger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Electrically conductive liquid crystalline substance and polymer
Patent number
4,657,694
Issue date
Apr 14, 1987
Showa Denko Kabushiki Kaisha
Alan J. Heeger
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Biphenyloxy mono- and dimethacrylate polymerizable compositions
Patent number
4,518,756
Issue date
May 21, 1985
Showa Denko Kabushiki Kaisha
Haruo Yoshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing a polymerizable (meth) acrylate oligomer
Patent number
4,140,606
Issue date
Feb 20, 1979
Showa Denko K.K.
Seiichiro Sakimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...