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Takayuki Umezawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibrator-type level sensor
    • Patent number 5,247,832
    • Issue date Sep 28, 1993
    • Nohken Inc.
    • Takayuki Umezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vibrator-type level sensor
    • Patent number 4,740,726
    • Issue date Apr 26, 1988
    • Nohken Inc.
    • Takayuki Umezawa
    • G01 - MEASURING TESTING