TREA

Tomoyuki Ishibashi

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  • Soraku-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of gas carburizing
    • Patent number 7,029,540
    • Issue date Apr 18, 2006
    • Koyo Thermo Systems Co., Ltd.
    • Showa Tachisato
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method of gas carburizing
    • Publication number 20050000598
    • Publication date Jan 6, 2005
    • Koyo Thermo Systems Co., Ltd.
    • Showa Tachisato
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...