Akira Yasukawa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat transfer wall
- Patent number 4,606,405
- Issue date Aug 19, 1986
- Hitachi, Ltd.
- Wataru Nakayama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Liquid film evaporation type heat exchanger
- Patent number 4,585,055
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Wataru Nakayama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer surface and manufacturing method for same
- Patent number 4,561,497
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Tadakatsu Nakajima
- F28 - HEAT EXCHANGE IN GENERAL