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Asahi Kogyosha Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pump control system
    • Patent number 6,939,109
    • Issue date Sep 6, 2005
    • Yokogawa Electric Corporation
    • Hiroshi Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    GaAs MIS device
    • Patent number 5,497,024
    • Issue date Mar 5, 1996
    • Asahi Kogyosha Co., Ltd.
    • Akira Shibuya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ceiling-frame construction method and ceiling-frame structure for c...
    • Patent number 5,279,090
    • Issue date Jan 18, 1994
    • Asahi Kogyosha Co., Ltd.
    • Shigehisa Yamaguchi
    • E04 - BUILDING
  • Information Patent Grant

    Clean room arrangement
    • Patent number 5,169,418
    • Issue date Dec 8, 1992
    • Asahi Kogyosha Co., Ltd.
    • Shigeo Honda
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat pipe unit and partition panel
    • Patent number 5,156,208
    • Issue date Oct 20, 1992
    • Asahi Kogyosha Co., Ltd.
    • Hirofumi Masuki
    • F28 - HEAT EXCHANGE IN GENERAL

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