Hiroshi Tetsutani

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable-speed control method and apparatus for AC motor
- Patent number 5,880,572
- Issue date Mar 9, 1999
- Fuji Electric Co., Ltd.
- Hirokazu Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed controller for an AC motor
- Patent number 5,859,521
- Issue date Jan 12, 1999
- Fuji Electric Co., Ltd.
- Hirokazu Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed controller for an induction motor
- Patent number 5,828,199
- Issue date Oct 27, 1998
- Fuji Electric Co., Ltd.
- Hirokazu Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control apparatus for AC motor
- Patent number 5,734,251
- Issue date Mar 31, 1998
- Fuji Electric Co., Ltd.
- Hirokazu Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER