Naoto Ohnuma

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, method or system for controlling mobile body
- Patent number 7,199,547
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving system for driving AC motor
- Patent number 6,492,790
- Issue date Dec 10, 2002
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Apparatus, method or system for controlling mobile body
- Publication number 20020175651
- Publication date Nov 28, 2002
- Hitachi, Ltd.
- Daigo Kaneko
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving system for driving AC motor
- Publication number 20020005704
- Publication date Jan 17, 2002
- Toshifumi Yoshikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER