Etsunori Mori

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical d.c. voltage transformer
- Patent number 5,153,427
- Issue date Oct 6, 1992
- Hitachi, Ltd.
- Genji Takahashi
- G01 - MEASURING TESTING
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
Gas chromatographic apparatus
- Patent number 4,470,832
- Issue date Sep 11, 1984
- Hitachi, Ltd.
- Katuo Sugawara
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting gas components in oil in oil-fil...
- Patent number 4,444,040
- Issue date Apr 24, 1984
- Hitachi, Ltd.
- Seiichi Sakai
- G01 - MEASURING TESTING