Keiji Kunii

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Hitachiota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power inverter
- Patent number 8,970,155
- Issue date Mar 3, 2015
- Hitachi Automotive Systems, Ltd.
- Seiji Funaba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
On-vehicle charging generator and rectifier unit thereof
- Patent number 8,130,521
- Issue date Mar 6, 2012
- Hitachi, Ltd.
- Shuichi Kokubun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 8,054,633
- Issue date Nov 8, 2011
- Hitachi, Ltd.
- Tokihito Suwa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Generating apparatus and motor control apparatus
- Patent number 7,453,240
- Issue date Nov 18, 2008
- Hitachi, Ltd.
- Tatsumi Yamauchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power Inverter
- Publication number 20130328514
- Publication date Dec 12, 2013
- Hitachi Automotive Systems, Ltd.
- Seiji Funaba
- B60 - VEHICLES IN GENERAL
Information Patent Application
On-Vehicle Charging Generator and Rectifier Unit Thereof
- Publication number 20090302678
- Publication date Dec 10, 2009
- Hitachi, Ltd
- Shuichi KOKUBUN
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power Converter
- Publication number 20090002956
- Publication date Jan 1, 2009
- Hitachi, Ltd
- Tokihito Suwa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Motor control apparatus and on-vehicle motor drive system
- Publication number 20080007190
- Publication date Jan 10, 2008
- Hitachi, Ltd
- Keiji Kunii
- B60 - VEHICLES IN GENERAL
Information Patent Application
Generating apparatus and motor control apparatus
- Publication number 20060192534
- Publication date Aug 31, 2006
- Hitachi, Ltd
- Tatsumi Yamauchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER