TREA

Minoru Takayasu

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  • Toyama City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for sealing a propeller shaft of a marine vessel and a...
    • Patent number 10,065,724
    • Issue date Sep 4, 2018
    • Wartsila Finland Oy
    • Arnoud De Kruijf
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Seal ring and stern tube sealing device
    • Patent number 8,348,281
    • Issue date Jan 8, 2013
    • Wartsila Japan Ltd.
    • Hisashi Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal ring for stern tube
    • Patent number D638522
    • Issue date May 24, 2011
    • Wartsila Japan Ltd.
    • Hisashi Yoshida
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Seal ring for stern tube
    • Patent number D638523
    • Issue date May 24, 2011
    • Wartsila Japan Ltd.
    • Hisashi Yoshida
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Seal ring for stern tube
    • Patent number D631948
    • Issue date Feb 1, 2011
    • Wartsila Japan Ltd.
    • Hisashi Yoshida
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Stern tube sealing apparatus
    • Patent number 6,481,720
    • Issue date Nov 19, 2002
    • Japan Marine Technologies Ltd.
    • Hisashi Yoshida
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents