TREA

Mitsuhiko Miyagawa

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerator
    • Patent number 4,261,180
    • Issue date Apr 14, 1981
    • Hitachi, Ltd.
    • Shigekazu Nozawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Screw compressor
    • Patent number 4,234,296
    • Issue date Nov 18, 1980
    • Hitachi, Ltd.
    • Katsumi Matsubara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...