Yasumasa Yamane

Person

  • Mito, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of removing crude oil sludge

    • Patent number 4,619,768
    • Issue date Oct 28, 1986
    • Hitachi, Ltd.
    • Sankichi Takahashi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL