Yasuo Fujitani

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Condenser and power plant
- Patent number 6,269,867
- Issue date Aug 7, 2001
- Hitachi, Ltd.
- Fumio Takahashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Condenser and power plant
- Patent number 5,960,867
- Issue date Oct 5, 1999
- Hitachi, Ltd.
- Fumio Takahashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus for collecting cleaning bodies for tubular heat exchanger
- Patent number 5,251,690
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Katsumoto Otake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger for condensing vapor into liquid phase, power genera...
- Patent number 5,205,352
- Issue date Apr 27, 1993
- Hitachi, Ltd.
- Fumio Takahashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Device for cleaning inner surfaces of heat exchanger tubes
- Patent number 4,917,176
- Issue date Apr 17, 1990
- Hitachi, Ltd.
- Toshimasa Shimada
- F28 - HEAT EXCHANGE IN GENERAL