Tsutomu Sakai

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kasugai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric material and dielectric sintered body, and wiring board...
- Patent number 7,309,669
- Issue date Dec 18, 2007
- NGK Spark Plug Co., Ltd.
- Hiroshi Sumi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low-temperature firing ceramic composition, process for producing s...
- Patent number 6,602,623
- Issue date Aug 5, 2003
- NGK Spark Plug Co., Ltd.
- Hidetoshi Mizutani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Dielectric material and dielectric sintered body, and wiring board...
- Publication number 20060083930
- Publication date Apr 20, 2006
- NGK SPARK PLUG CO., LTD.
- Hiroshi Sumi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Dielectric material and dielectric sintered body, and wiring board...
- Publication number 20030170436
- Publication date Sep 11, 2003
- NGK SPARK PLUG CO., LTD.
- Hiroshi Sumi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR