Yasuaki Nara

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Tsuchiura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat storage device
- Patent number 4,612,974
- Issue date Sep 23, 1986
- Hitachi, Ltd.
- Michio Yanadori
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Absorption cold and warm water system utilizing solar heat
- Patent number 4,498,307
- Issue date Feb 12, 1985
- Hitachi, Ltd.
- Yozo Hibino
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Operation device for absorption cold and warm water system utilizin...
- Patent number 4,493,192
- Issue date Jan 15, 1985
- Hitachi, Ltd.
- Yozo Hibino
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Control device of absorption type cold and warm water system
- Patent number 4,454,726
- Issue date Jun 19, 1984
- Hitachi, Ltd.
- Yozo Hibino
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...