Mitsuharu Ota

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Patents Grantslast 30 patents

Information Patent Grant
Speed control apparatus for DC motor
- Patent number 4,234,835
- Issue date Nov 18, 1980
- Matsushita Electric Industrial Co., Ltd.
- Mitsuharu Ota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed control system for small size D-C electric motor
- Patent number 4,189,666
- Issue date Feb 19, 1980
- Matsushita Electric Industrial Co., Ltd.
- Yoshio Tetsugu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER