Toshihisa Kumakura

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Shimodate-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Adhesion assisting agent fitted metal foil, and printed wiring boar...
- Patent number 7,740,936
- Issue date Jun 22, 2010
- Hitachi Chemical Co., Ltd.
- Nobuyuki Ogawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for preparing an insulating resin composition, insulating re...
- Patent number 7,572,503
- Issue date Aug 11, 2009
- Hitachi Chemical Co., Ltd.
- Shin Takanezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for preparing an insulating resin composition, insulating re...
- Patent number 6,979,712
- Issue date Dec 27, 2005
- Hitachi Chemical Co., Ltd.
- Shin Takanezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Adhesive composition for metal foil, and adhesive-coated metal foil...
- Patent number 6,841,605
- Issue date Jan 11, 2005
- Hitachi Chemical Co., Ltd.
- Toshihisa Kumakura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Adhesive composition for metal-clad laminates
- Patent number 5,066,691
- Issue date Nov 19, 1991
- Hitachi Chemical Co., Ltd.
- Toshihisa Kumakura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Adhesion Assisting Agent Fitted Metal Foil, and Printed Wiring Boar...
- Publication number 20080145689
- Publication date Jun 19, 2008
- Nobuyuki Ogawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method for preparing an insulating resin composition, insulating re...
- Publication number 20050255270
- Publication date Nov 17, 2005
- Hitachi Chemical Co., Ltd.
- Shin Takanezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method for preparing an insulating resin composition, insulating re...
- Publication number 20040161612
- Publication date Aug 19, 2004
- Hitachi Chemical Co., Ltd.
- Shin Takanezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR