Yasuharu Yokoyama

Person

  • Saitama-Ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricating oil composition

    • Patent number 8,691,739
    • Issue date Apr 8, 2014
    • ExxonMobil Research and Engineering Company
    • Yasuharu Yokoyama
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    Lubricating oil composition

    • Publication number 20070032392
    • Publication date Feb 8, 2007
    • Yasuharu Yokoyama
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...