TREA

Kenji Shimada

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  • Ueda, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter apparatus for removing plankton
    • Patent number 4,830,747
    • Issue date May 16, 1989
    • Totoku Electric Co., Ltd.
    • Misao Kubota
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter and a manufacturing method therefor
    • Patent number 4,456,531
    • Issue date Jun 26, 1984
    • Totoku Electric Co., Ltd.
    • Misao Kubota
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL