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Yasutaka Okada

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coated tool and method of manufacturing the same
    • Patent number 5,981,049
    • Issue date Nov 9, 1999
    • Sumitomo Electric Industries, Ltd.
    • Hisanori Ohara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...