Sanshiro Obara

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Hitachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Kramer system utilizing a commutatorless motor
- Patent number 4,058,755
- Issue date Nov 15, 1977
- Hitachi, Ltd.
- Mitsuyuki Honbu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER