TREA

Hayato Tsurumi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Smoke detector
    • Patent number D904215
    • Issue date Dec 8, 2020
    • Hochiki Corporation
    • Masashi Arikawa
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Fire detector
    • Patent number D871245
    • Issue date Dec 31, 2019
    • Hochiki Corporation
    • Masashi Arikawa
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Fire detector
    • Patent number D849580
    • Issue date May 28, 2019
    • Masashi Arikawa
    • D10 - Measuring, testing, or signalling instruments