Masayoshi Tokiwa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power system having generator driven by engine
- Patent number 7,235,891
- Issue date Jun 26, 2007
- Masayoshi Tokiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power source switching unit and power source management system comp...
- Patent number 7,146,256
- Issue date Dec 5, 2006
- Yanmar Co., Ltd.
- Shinji Hibi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power generator and system comprising it
- Patent number 6,927,499
- Issue date Aug 9, 2005
- Yanmar Co., Ltd.
- Shinji Hibi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power source switching unit and power source management system comp...
- Publication number 20050128659
- Publication date Jun 16, 2005
- Shinji Hibi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER GENERATOR AND SYSTEM COMPRISING IT
- Publication number 20050116475
- Publication date Jun 2, 2005
- Shinji Hibi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power system having generator driven by engine
- Publication number 20040032127
- Publication date Feb 19, 2004
- Masayoshi Tokiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER