TREA

Naohiro Hayata

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a metal mold for tire vulcanization
    • Patent number 4,691,431
    • Issue date Sep 8, 1987
    • Sumitomo Rubber Industries, Ltd.
    • Naohiro Hayata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Snow tire spikes
    • Patent number 4,391,314
    • Issue date Jul 5, 1983
    • Sumitomo Electric Industries, Ltd.
    • Jiro Inamoto
    • B60 - VEHICLES IN GENERAL