Katsumi Sumioda

Person

  • Hiroshima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Twin extruder

    • Patent number 5,516,205
    • Issue date May 14, 1996
    • The Japan Steel Works, Ltd.
    • Norimasa Oda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL