Kenichi Kato

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Yamagata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Commutator motor
- Patent number 7,508,109
- Issue date Mar 24, 2009
- Hitachi Koki Co., Ltd.
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Commutator motor
- Patent number 7,368,843
- Issue date May 6, 2008
- Hitachi Koki Co., Ltd.
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Commutator motor
- Patent number 7,064,467
- Issue date Jun 20, 2006
- Hitachi Koki Co., Ltd.
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Commutator motor
- Publication number 20070114866
- Publication date May 24, 2007
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Commutator motor
- Publication number 20070013252
- Publication date Jan 18, 2007
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Commutator motor
- Publication number 20060131982
- Publication date Jun 22, 2006
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Commutator motor
- Publication number 20040061406
- Publication date Apr 1, 2004
- HITACHI KOKI CO., LTD.
- Tomoyoshi Yokota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER