Hiroaki Iwakawa

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Straightening instrument and cyclone

    • Patent number 5,180,257
    • Issue date Jan 19, 1993
    • Onoda Cement Co. Ltd.
    • Ryousuke Narishima
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING