Hiroshi Hotta

Person

  • Muko, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for treating leather

    • Patent number 4,190,687
    • Issue date Feb 26, 1980
    • Sumitomo Chemical Company, Limited
    • Takahisa Sugiura
    • C14 - SKINS HIDES PELTS LEATHER