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Kiyoshi Sakayori

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for centering belt-shaped material
    • Patent number 5,904,788
    • Issue date May 18, 1999
    • Bridgestone Corporation
    • Toru Kitajima
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Waterproof nut
    • Patent number 4,887,950
    • Issue date Dec 19, 1989
    • Bridgestone Corporation
    • Kiyoshi Sakayori
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing waterproof nuts
    • Patent number 4,788,022
    • Issue date Nov 29, 1988
    • Bridgestone Corp.
    • Kiyoshi Sakayori
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL