Keita Hashimoto

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
AC rotating electric machine control method and electrical power tr...
- Patent number 7,518,331
- Issue date Apr 14, 2009
- Hitachi, Ltd.
- Shinichi Fujino
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Current sensing method and current sensing device, power conversion...
- Patent number 7,310,001
- Issue date Dec 18, 2007
- Hitachi, Ltd.
- Satoru Shigeta
- G01 - MEASURING TESTING
Information Patent Grant
Power converter
- Patent number 7,064,515
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Shinichi Fujino
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Power converter
- Publication number 20070229050
- Publication date Oct 4, 2007
- HITACHI, LTD.
- Satoru Shigeta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor power module
- Publication number 20060202324
- Publication date Sep 14, 2006
- HITACHI, LTD.
- Keita Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current sensing method and current sensing device, power conversion...
- Publication number 20060103409
- Publication date May 18, 2006
- HITACHI, LTD.
- Satoru Shigeta
- G01 - MEASURING TESTING
Information Patent Application
AC rotating electric machine control method and electrical power tr...
- Publication number 20050242759
- Publication date Nov 3, 2005
- HITACHI, LTD.
- Shinichi Fujino
- B60 - VEHICLES IN GENERAL
Information Patent Application
Power converter
- Publication number 20050077863
- Publication date Apr 14, 2005
- Shinichi Fujino
- B60 - VEHICLES IN GENERAL
Information Patent Application
Motor control device
- Publication number 20050001582
- Publication date Jan 6, 2005
- Hitachi, Ltd.
- Kosei Goto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS