Kunio HAMANAKA

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Yokohama-City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump using CO2 as refrigerant and method of operation thereof
- Patent number 7,412,838
- Issue date Aug 19, 2008
- Mayekawa Mfg. Co., Ltd.
- Kunio Hamanaka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
HEAT PUMP USING CO2 AS REFRIGERANT AND METHOD OF OPERATION THEREOF
- Publication number 20070261432
- Publication date Nov 15, 2007
- Mayekawa Mfg. Co., Ltd.
- Kunio HAMANAKA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...