TREA

Akira Aiba

Follow

Person

  • Kawasaki, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Mould assembly for foam moulding of plastic materials
    • Patent number 4,153,231
    • Issue date May 8, 1979
    • Nippon Steel Chemical Co., Ltd.
    • Akifumi Hayakawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Injection foam molding process
    • Patent number 4,133,858
    • Issue date Jan 9, 1979
    • USM Corporation
    • Akifumi Hayakawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL