Koji Iwata

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Hitachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
High D.C. voltage generating apparatus
- Patent number 3,984,751
- Issue date Oct 5, 1976
- Hitachi, Ltd.
- Koji Iwata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
High DC voltage generator
- Patent number 3,978,346
- Issue date Aug 31, 1976
- Hitachi, Ltd.
- Koji Iwata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER