Sadayuki Okada

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Constant pressure type boiling cooling system
- Patent number 4,502,286
- Issue date Mar 5, 1985
- Hitachi, Ltd.
- Sadayuki Okada
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Constant pressure type ebullient cooling equipment
- Patent number 4,330,033
- Issue date May 18, 1982
- Hitachi, Ltd.
- Sadayuki Okada
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Open-type boiling cooling apparatus
- Patent number 4,106,557
- Issue date Aug 15, 1978
- Hitachi, Ltd.
- Hisao Sonobe
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...