Toshio KATAYAMA

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric motor drive system and electric motor control method
- Patent number 8,115,442
- Issue date Feb 14, 2012
- Hitachi, Ltd.
- Koichiro Nagata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus for a motor
- Patent number 7,332,888
- Issue date Feb 19, 2008
- Hitachi, Ltd.
- Koichiro Nagata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Non-Contact Charging Apparatus for Mobile Body and Non-Contact Char...
- Publication number 20140117930
- Publication date May 1, 2014
- Hitachi, Ltd
- Shin IMAZU
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC MOTOR DRIVE SYSTEM AND ELECTRIC MOTOR CONTROL METHOD
- Publication number 20090195200
- Publication date Aug 6, 2009
- Hitachi, Ltd.
- Koichiro NAGATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving apparatus for a motor
- Publication number 20060192521
- Publication date Aug 31, 2006
- Koichiro Nagata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER