Hitoshi Sugawara

Person

  • Kisarazu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Polymerization reaction apparatus

    • Patent number 4,985,208
    • Issue date Jan 15, 1991
    • Nippon Steel Chemical Co., Ltd.
    • Hitoshi Sugawara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL