Ichitaro Tani

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Kitaibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for diagnosing oil-filled electric apparatus
- Patent number 4,502,320
- Issue date Mar 5, 1985
- Hitachi, Ltd.
- Seiichi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
System for monitoring abnormality of oil-filled electric devices
- Patent number 4,402,211
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Katuo Sugawara
- G01 - MEASURING TESTING