TREA

Yoji Hirota

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  • Kitakyushu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cyclone
    • Patent number 4,600,417
    • Issue date Jul 15, 1986
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Atsushi Sasaki
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Cyclone
    • Patent number 4,519,822
    • Issue date May 28, 1985
    • Mitsubishi Mining and Cement Co.
    • Hirofumi Hatano
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...