Toshiaki Narisawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inorganically insulated heater, and cathode ray tube and air flow s...
- Patent number 5,138,221
- Issue date Aug 11, 1992
- Hitachi, Ltd.
- Toshiaki Arato
- H01 - BASIC ELECTRIC ELEMENTS