Hiyoshi Yamada

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Iwakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnet rotor for synchronous motor
- Patent number 5,734,216
- Issue date Mar 31, 1998
- Nissan Motor Co. Ltd.
- Hiyoshi Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor provided with a ring-shaped magnet
- Patent number 5,402,025
- Issue date Mar 28, 1995
- Daido Tokushuko Kabushiki Kaisha
- Makoto Saito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Radial anisotropic ring magnet with a sinusoidal waveform and produ...
- Patent number 5,399,311
- Issue date Mar 21, 1995
- Daido Tokushuko Kabushiki Kaisha
- Yasuaki Kasai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for producing anisotropic rare earth magnet
- Patent number 5,342,574
- Issue date Aug 30, 1994
- Daido Tokushuko Kabushiki Kaisha
- Yasuaki Kasai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of forming thin-walled elongated cylindrical compact for a m...
- Patent number 5,122,319
- Issue date Jun 16, 1992
- Daido Tokushuko K.K.
- Teruo Watanabe
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for producing anisotropic rare earth magnet
- Patent number 4,963,320
- Issue date Oct 16, 1990
- Daido Tokushuko Kabushiki Kaisha
- Makoto Saito
- B22 - CASTING POWDER METALLURGY