Hisashi Usui

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrical leak detecting apparatus
- Patent number 6,977,518
- Issue date Dec 20, 2005
- Matsushita Electric Works, Ltd.
- Hirotada Higashihama
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electrical leak detecting apparatus
- Publication number 20040227521
- Publication date Nov 18, 2004
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Hirotada Higashihama
- G01 - MEASURING TESTING