Kenichi Umekita

Person

  • Kawagoe, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Surface treating cleaning method

    • Patent number 5,290,361
    • Issue date Mar 1, 1994
    • Wako Pure Chemical Industries, Ltd.
    • Ichiro Hayashida
    • C01 - INORGANIC CHEMISTRY