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Hiroaki Hasegawa

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mass flowmeter
    • Patent number 5,307,689
    • Issue date May 3, 1994
    • Tokico Ltd.
    • Shigeru Nishiyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Turbine flowmeter
    • Patent number 5,146,789
    • Issue date Sep 15, 1992
    • Tokico Ltd.
    • Takashi Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Turbine flowmeter
    • Patent number 4,918,996
    • Issue date Apr 24, 1990
    • Osaka Gas Co., Ltd.
    • Takashi Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Turbine flowmeter
    • Patent number 4,903,533
    • Issue date Feb 27, 1990
    • Osaka Gas Co., Ltd.
    • Takashi Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Mass flowmeter
    • Patent number 4,811,606
    • Issue date Mar 14, 1989
    • Tokico, Ltd.
    • Hiroaki Hasegawa
    • G01 - MEASURING TESTING