Yoshihisa Ishigami

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Tsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ground fault interrupter
- Patent number 6,721,151
- Issue date Apr 13, 2004
- Matsushita Electric Works, Ltd.
- Kiyoshi Goto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Illumination sensor with spectral sensitivity corresponding to huma...
- Patent number 6,670,597
- Issue date Dec 30, 2003
- Matsushita Electric Works, Ltd.
- Nobuhiro Kitamura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Ground fault interrupter
- Publication number 20010036048
- Publication date Nov 1, 2001
- Matsushita Electric Works, Ltd.
- Kiyoshi Goto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER