Ken-ichi Hirotsu

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrically insulating resin composition and a DC electric wire or...
- Patent number 7,196,267
- Issue date Mar 27, 2007
- Sumitomo Electric Industries, Inc.
- Yoitsu Sekiguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Electrically insulating resin composition and electric wire or cabl...
- Publication number 20030149176
- Publication date Aug 7, 2003
- Yoitsu Sekiguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...