Sadao Matsumoto

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface treated electrodeposited copper foil and circuit board
- Patent number 8,153,273
- Issue date Apr 10, 2012
- The Furukawa Electric Co., Ltd.
- Takahiro Saito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for preparing a circuit board material having a conductive b...
- Patent number 7,794,578
- Issue date Sep 14, 2010
- The Furukawa Electric Co., Ltd.
- Akira Matsuda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Conductive substrate with resistance layer, resistance board, and r...
- Patent number 7,215,235
- Issue date May 8, 2007
- Furukawa Circuit Foil Co., LTD
- Akira Matsuda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Surface treated electrodeposited copper foil, the production method...
- Publication number 20070287020
- Publication date Dec 13, 2007
- FURUKAWA CIRCUIT FOIL CO., LTD.
- Takahiro Saito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONDUCTIVE BASE MATERIAL WITH THIN FILM RESISTANCE LAYER, METHOD OF...
- Publication number 20070228443
- Publication date Oct 4, 2007
- Furukawa Circuit Foil Co., Ltd.
- Yuuki KIKUCHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Conductive base material with resistance layer and circuit board ma...
- Publication number 20050280498
- Publication date Dec 22, 2005
- Yuuki Kikuchi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Conductive substrate with resistance layer, resistance board, and r...
- Publication number 20040201446
- Publication date Oct 14, 2004
- Akira Matsuda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Plating bath for forming thin resistance layer, method of formation...
- Publication number 20040144656
- Publication date Jul 29, 2004
- Akira Matsuda
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR