TREA

Iwao Ito

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Opening/closing device
    • Patent number 8,695,628
    • Issue date Apr 15, 2014
    • Nippon Koei Co., Ltd.
    • Hiroshi Komatsu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Opening/closing device
    • Patent number 8,590,560
    • Issue date Nov 26, 2013
    • Nippon Koei Co., Ltd.
    • Hiroshi Komatsu
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    OPENING/CLOSING DEVICE
    • Publication number 20110297250
    • Publication date Dec 8, 2011
    • NIPPON KOEI CO., LTD.
    • Hiroshi Komatsu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    OPENING/CLOSING DEVICE
    • Publication number 20110290343
    • Publication date Dec 1, 2011
    • NIPPON KOEI CO., LTD.
    • Hiroshi Komatsu
    • E03 - WATER SUPPLY SEWERAGE