Keiji Koike

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump system
- Patent number 4,843,837
- Issue date Jul 4, 1989
- Technology Research Association of Super Heat Pump Energy Accumulation System
- Yasuo Ogawa
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Centrifugal compressor
- Patent number 4,645,419
- Issue date Feb 24, 1987
- Ebara Corporation
- Tai Furuya
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...