Tsunehiro Endou

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Hitachiota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controlling an a. c. motor
- Patent number 7,075,266
- Issue date Jul 11, 2006
- Hitachi, Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Position-sensorless controlling method of synchronous motor
- Patent number 6,462,492
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Very high permanent magnet type electric rotating machine system
- Patent number 6,441,523
- Issue date Aug 27, 2002
- Hitachi, Ltd.
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of estimating a rotor position of synchronous motor, method...
- Patent number 6,396,229
- Issue date May 28, 2002
- Hitachi, Ltd.
- Kiyoshi Sakamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for controlling an a. c. motor
- Publication number 20040189243
- Publication date Sep 30, 2004
- Hitachi, Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER