TREA

Yasunori Oya

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Smoke detector
    • Patent number 7,248,173
    • Issue date Jul 24, 2007
    • Nittan Company, Limited
    • Ryoichi Yamasaki
    • G08 - SIGNALLING
  • Information Patent Grant

    Fire detector
    • Patent number D450008
    • Issue date Nov 6, 2001
    • Nittan Company, Limited
    • Kazuyoshi Sakurai
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Fire detector
    • Patent number 6,300,876
    • Issue date Oct 9, 2001
    • Nittan Company Limited
    • Kazuyoshi Sakurai
    • G08 - SIGNALLING
  • Information Patent Grant

    Fire detector
    • Patent number D426482
    • Issue date Jun 13, 2000
    • Nittan Company, Limited
    • Kazuyoshi Sakurai
    • D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents

  • Information Patent Application

    Smoke detector
    • Publication number 20050242967
    • Publication date Nov 3, 2005
    • NITTAN COMPANY, LIMITED
    • Ryoichi Yamasaki
    • G08 - SIGNALLING