Kentaro Oi

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speed controller of magnetic motor
- Patent number 8,344,671
- Issue date Jan 1, 2013
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Torque controller for permanent magnet synchronous motor
- Patent number 8,305,019
- Issue date Nov 6, 2012
- Hitachi Car Engineering Co., Ltd.
- Kazuaki Tobari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Field weakening control apparatus for permanent magnet motor and el...
- Patent number 7,791,295
- Issue date Sep 7, 2010
- Hitachi, Ltd.
- Kentaro Oi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SPEED CONTROLLER OF MAGNETIC MOTOR
- Publication number 20100148707
- Publication date Jun 17, 2010
- Hitachi Industrial Equipment System Co., Ltd.
- Kazuaki TOBARI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER