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Koji Ishijima

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 4,711,617
    • Issue date Dec 8, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazutomo Asami
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary compressor
    • Patent number 4,645,429
    • Issue date Feb 24, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazutomo Asami
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant compressor discharge valve
    • Patent number 4,628,963
    • Issue date Dec 16, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Koji Ishijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Differential pressure lubrication system for rolling piston compressor
    • Patent number 4,624,630
    • Issue date Nov 25, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Takuho Hirahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration system with integral check valve
    • Patent number 4,611,473
    • Issue date Sep 16, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Fumio Wada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Lubrication for rotary compressor vane
    • Patent number 4,592,705
    • Issue date Jun 3, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Sei Ueda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Discharging valve device for a compressor
    • Patent number 4,580,604
    • Issue date Apr 8, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Susumu Kawaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with heat exchanger
    • Patent number 4,569,645
    • Issue date Feb 11, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazutomo Asami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Strainer device for rotary compressor
    • Patent number 4,560,329
    • Issue date Dec 24, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Takuho Hirahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with heat exchanger
    • Patent number 4,518,330
    • Issue date May 21, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazutomo Asami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontal rotary compressor with oil forced by gas discharge into...
    • Patent number 4,472,121
    • Issue date Sep 18, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Hideharu Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontal rotary compressor with oil forced by gas discharge into...
    • Patent number 4,391,573
    • Issue date Jul 5, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Hideharu Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontal rotary compressor with oil forced by gas discharge into...
    • Patent number 4,355,963
    • Issue date Oct 26, 1982
    • Mitsubishi Denki Kabushiki Kaisha
    • Hideharu Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...