TREA

Masataka Onishi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing a poly-V pulley
    • Patent number 6,370,776
    • Issue date Apr 16, 2002
    • Kanemitsu Corporation
    • Toshiaki Kanemitsu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...