TREA

Hirokazu Akamatsu

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  • Yokkaichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating cylindrical treatment apparatus
    • Patent number 5,295,805
    • Issue date Mar 22, 1994
    • Ryoka Techno Engineering & Construction Co.
    • Hirokazu Akamatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotating cylindrical treatment apparatus
    • Patent number 5,277,108
    • Issue date Jan 11, 1994
    • Mitsubishi Kasei Engineering Co.
    • Hirokazu Akamatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotating-drum heat treatment apparatus
    • Patent number 4,934,928
    • Issue date Jun 19, 1990
    • Ryoka Techono Engineering & Construction Co.
    • Hirokazu Akamatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL