Osamu Matsumoto

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Yachimata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Energy recovery apparatus and method of operating energy recovering...
- Patent number 7,081,688
- Issue date Jul 25, 2006
- Hitachi, Ltd.
- Kouichi Satou
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy recovery apparatus and method of operating energy recovering...
- Patent number 7,019,411
- Issue date Mar 28, 2006
- Hitachi, Ltd.
- Kouichi Satou
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Device for energizing a hermetic motor using inverter
- Patent number 4,806,839
- Issue date Feb 21, 1989
- Hitachi, Ltd.
- Yuichiro Nagato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ENERGY RECOVERY APPARATUS AND METHOD OF OPERATING ENERGY RECOVERING...
- Publication number 20060113797
- Publication date Jun 1, 2006
- Hitachi, Ltd
- Kouichi Satou
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Energy recovery apparatus and method of operating energy recovering...
- Publication number 20030222457
- Publication date Dec 4, 2003
- Hitachi, Ltd
- Kouichi Satou
- F24 - HEATING RANGES VENTILATING