TREA

Hitoshi KATAOKA

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  • Yasugi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Die steel and method for producing same
    • Patent number 10,196,719
    • Issue date Feb 5, 2019
    • Hitachi Metals, Ltd.
    • Ryuuichiroh Sugano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents