Hideyo Hirata

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Insulation system for winding of electric rotating machines and pro...
- Patent number 4,304,818
- Issue date Dec 8, 1981
- Hitachi, Ltd.
- Hideyo Hirata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for electrically insulating an electrically conducting artic...
- Patent number 4,239,998
- Issue date Dec 16, 1980
- Hitachi, Ltd.
- Takeshi Hakamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER