TREA

Yoshio OKUMURA

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  • Ishikawa Pref., JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chain bearing, chain pin, and chain
    • Patent number 9,353,829
    • Issue date May 31, 2016
    • Daido Kogyo Co., Ltd
    • Masashi Nishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wear-resistant chain
    • Patent number 8,932,164
    • Issue date Jan 13, 2015
    • Daido Kogyo Co., Ltd.
    • Yoshio Okumura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Pin for chain and method for manufacture thereof
    • Patent number 7,695,575
    • Issue date Apr 13, 2010
    • Daido Kogyo Co., Ltd.
    • Yoshio Okumura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAIN BEARING, CHAIN PIN, AND CHAIN
    • Publication number 20150111676
    • Publication date Apr 23, 2015
    • Daido Kogyo Co., Ltd.
    • Masashi NISHIKAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WEAR-RESISTANT CHAIN
    • Publication number 20100120567
    • Publication date May 13, 2010
    • Yoshio Okumura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Pin for chain and method for manufacture thereof
    • Publication number 20060162819
    • Publication date Jul 27, 2006
    • Yoshio Okumura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...