TREA

Toshikazu Yoshizawa

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-seismic rubber
    • Patent number 4,950,528
    • Issue date Aug 21, 1990
    • Bridgestone Corporation
    • Masao Iizuka
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Anti-seismic device
    • Patent number 4,899,323
    • Issue date Feb 6, 1990
    • Bridgestone Corporation
    • Yoshihide Fukahori
    • E04 - BUILDING
  • Information Patent Grant

    Anti-seismic rubber bearing
    • Patent number 4,761,925
    • Issue date Aug 9, 1988
    • Bridgestone Corporation
    • Yoshihide Fukahori
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING