TREA

Hiroshi Obana

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  • Narashino, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for controlling the operation of a grinding system
    • Patent number 4,691,869
    • Issue date Sep 8, 1987
    • Onoda Cement Co., Ltd.
    • Eiichi Onuma
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roller mill
    • Patent number 4,611,765
    • Issue date Sep 16, 1986
    • Onoda Cement Co., Ltd.
    • Katsuhiko Shimojima
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Vertical mill
    • Patent number 4,597,537
    • Issue date Jul 1, 1986
    • Onoda Cement Company, Ltd.
    • Takaaki Misaka
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...