Toshio Koma

Person

  • Amagasaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Coal dispersing oil

    • Patent number 4,187,078
    • Issue date Feb 5, 1980
    • Nippon Oil and Fats Company, Limited
    • Hirozumi Shimizu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...