TREA

Kunio Okada

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Core drill
    • Patent number 5,915,894
    • Issue date Jun 29, 1999
    • Consec Corporation
    • Kunio Okada
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Wire saw
    • Patent number 4,856,490
    • Issue date Aug 15, 1989
    • Osaka Diamond Industrial Co., Ltd.
    • Tsunezo Kawase
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR