Keiichi Yamamoto

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Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for detecting a coil short circuit in an electric motor
- Patent number 6,265,891
- Issue date Jul 24, 2001
- Aisin Seiki Kabushiki Kaisha
- Daisuke Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Energization controller for a phase coil of an electric motor
- Patent number 6,140,794
- Issue date Oct 31, 2000
- Aisin Seiki Kabushiki Kaisha
- Daisuke Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Binary digitizer circuit for voltages developed across induction coil
- Patent number 4,972,095
- Issue date Nov 20, 1990
- Aisin Seiki Kabushiki Kaisha
- Hiroki Oka
- G01 - MEASURING TESTING