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Sadao Wada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Synthetic lubricating oil composition
    • Patent number 4,968,453
    • Issue date Nov 6, 1990
    • Toyota Jidosha Kabushiki Kaisha
    • Sadao Wada
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Synthetic lubrication oil compositions
    • Patent number 4,719,025
    • Issue date Jan 12, 1988
    • Toyota Jidosha Kabushiki Kaisha
    • Kenyu Akiyama
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

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    • Patent number 4,608,173
    • Issue date Aug 26, 1986
    • Toa Nenryo Kogyo Kabushiki Kaisha
    • Koh Watanabe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL