Jiangming Mao

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Narashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric power conversion system
- Patent number 8,159,820
- Issue date Apr 17, 2012
- Hitachi Industrial Equipment Systems Co., Ltd.
- Satoshi Ibori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power conversion apparatus and method of estimating power cycle life
- Patent number 7,904,254
- Issue date Mar 8, 2011
- Hitachi Industrial Equipment Systems Co., Ltd.
- Satoshi Ibori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC/DC/AC converter with reduced inductance in the DC filter capacitors
- Patent number 7,518,890
- Issue date Apr 14, 2009
- Hitachi, Ltd.
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power converter
- Patent number 7,515,422
- Issue date Apr 7, 2009
- Hitachi Industrial Equipment System Co.
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electric power conversion system
- Publication number 20090034309
- Publication date Feb 5, 2009
- Hitachi Industrial Equipment Systems Co., Ltd.
- Satoshi Ibori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CONVERSION APPARATUS AND METHOD OF ESTIMATING POWER CYCLE LIFE
- Publication number 20080262750
- Publication date Oct 23, 2008
- Satoshi Ibori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electric power converter
- Publication number 20070279864
- Publication date Dec 6, 2007
- Masayuki Hirota
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Frequency converter
- Publication number 20070091652
- Publication date Apr 26, 2007
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER