Zenji Mashino

Person

  • Soka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas sparging method

    • Patent number 4,368,060
    • Issue date Jan 11, 1983
    • Chiyoda Chemical Engineering and Construction Co., Ltd.
    • Hiroshi Yanagiako
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL