Osamu Yamamoto

Person

  • Inuyama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    High-performance lubricant oil

    • Patent number 5,985,802
    • Issue date Nov 16, 1999
    • Koji Watari
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...