TREA

Kazuo Hashimoto

Follow

Person

  • Kawagoe, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for producing polyurethane foam
    • Patent number 4,988,271
    • Issue date Jan 29, 1991
    • Human Industry Corporation
    • Sadao Kumasaka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mold equipment
    • Patent number 4,352,651
    • Issue date Oct 5, 1982
    • Toyo Rubber Chemical Industrial Corp.
    • Sadao Kumasaka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL