Ichiro Tsubokawa

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermistor composition
- Patent number 4,347,166
- Issue date Aug 31, 1982
- Hitachi, Ltd.
- Hiromi Tosaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermistor composition and thick film thermistor
- Patent number 4,160,227
- Issue date Jul 3, 1979
- Hitachi, Ltd.
- Akira Ikegami
- C03 - GLASS MINERAL OR SLAG WOOL