TREA

Tadao Utsumi

Follow

Person

  • Aichiken, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Dies exchanging device for a machine using dies
    • Patent number 4,449,907
    • Issue date May 22, 1984
    • AIOI Seiki Kabushiki Kaisha
    • Keitaro Yonezawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL