Tomoyoshi Ochiai

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for monitoring two electric quantities by combining three...
- Patent number 4,075,697
- Issue date Feb 21, 1978
- Tokyo Denryoku Kabushiki Kaisha
- Tomoyoshi Ochiai
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for monitoring two electric quantities by combining three...
- Patent number 4,006,348
- Issue date Feb 1, 1977
- Tokyo Denryoku Kabushiki Kaisha
- Tomoyoshi Ochiai
- G01 - MEASURING TESTING
Information Patent Grant
Instrument transformer with cone-shaped insulating layer
- Patent number 3,949,290
- Issue date Apr 6, 1976
- Kabushiki Kaisha Meidensha
- Tomoyoshi Ochiai
- G01 - MEASURING TESTING