Seiichi Ushijima

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotation speed signal detector
- Patent number 4,359,657
- Issue date Nov 16, 1982
- Matsushita Electric Industrial Co., Ltd.
- Hisayuki Matsumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER