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Akira Sakamaki

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  • Nagaoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid-surface detection device
    • Patent number 9,752,920
    • Issue date Sep 5, 2017
    • Nippon Seiki Co., Ltd.
    • Tetsuya Sato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Liquid level detector
    • Patent number 6,711,950
    • Issue date Mar 30, 2004
    • Nippon Seiki Co., Ltd.
    • Takayuki Yamaura
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID-SURFACE DETECTION DEVICE
    • Publication number 20150355013
    • Publication date Dec 10, 2015
    • NIPPON SEIKI CO., LTD.
    • Tetsuya SATO
    • G01 - MEASURING TESTING
  • Information Patent Application

    LIQUID LEVEL DETECTING DEVICE
    • Publication number 20110016970
    • Publication date Jan 27, 2011
    • Nippon Seiki Co., Ltd.
    • Akira Sakamaki
    • G01 - MEASURING TESTING