Katsuya Katohgi

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Hitachiota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor pressure transducer
- Patent number 4,173,900
- Issue date Nov 13, 1979
- Hitachi, Ltd.
- Masanori Tanabe
- G01 - MEASURING TESTING
Information Patent Grant
Semiconductor strain gauge with temperature compensator
- Patent number 4,173,148
- Issue date Nov 6, 1979
- Hitachi, Ltd.
- Kazuji Yamada
- G01 - MEASURING TESTING