Yasuhiko Kono

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Naka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric power conversion device
- Patent number 8,922,997
- Issue date Dec 30, 2014
- Hitachi, Ltd.
- Takeshi Shinomiya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cooler of power converting device for railroad vehicle
- Patent number 8,908,375
- Issue date Dec 9, 2014
- Hitachi, Ltd.
- Masaomi Konishide
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drive circuit for power semiconductor switching device
- Patent number 7,994,826
- Issue date Aug 9, 2011
- Hitachi, Ltd.
- Katsumi Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
COOLER OF POWER CONVERTING DEVICE FOR RAILROAD VEHICLE
- Publication number 20130188315
- Publication date Jul 25, 2013
- Hitachi, Ltd
- Masaomi KONISHIDE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC POWER CONVERSION DEVICE
- Publication number 20130094150
- Publication date Apr 18, 2013
- Hitachi, Ltd
- Takeshi SHINOMIYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE CIRCUIT FOR POWER SEMICONDUCTOR SWITCHING DEVICE
- Publication number 20070200602
- Publication date Aug 30, 2007
- Katsumi Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY