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Tadayoshi Mineta
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Yamagata-ken, JP
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Patents Grants
last 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 Applications
last 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