TREA

Yoshihiro Sato

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing rubber weir main body
    • Patent number 6,348,120
    • Issue date Feb 19, 2002
    • Bridgestone Corporation
    • Mamoru Takasaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flexible membrane mounting metal fitting and flexible membrane infl...
    • Patent number 6,179,521
    • Issue date Jan 30, 2001
    • Bridgestone Corporation
    • Tateo Muramatsu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Collapsible rubber dam
    • Patent number 5,318,381
    • Issue date Jun 7, 1994
    • Bridgestone Corporation
    • Yasushi Enami
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mount structure for a flexible membrane weir
    • Patent number 5,230,585
    • Issue date Jul 27, 1993
    • Bridgestone Corporation
    • Masao Fujisawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Collapsible sheet dam
    • Patent number 5,067,851
    • Issue date Nov 26, 1991
    • Bridgestone Corporation
    • Masao Fujisawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Drilling tool
    • Patent number 4,591,303
    • Issue date May 27, 1986
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Yoshihiro Sato
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR