TREA

Osamu Yamamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid purifying device
    • Patent number 4,940,542
    • Issue date Jul 10, 1990
    • Tomei Sangyo Kabushiki Kaisha
    • Kazuo Simizu
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Hollow-fiber filter module and filtration method using the same
    • Patent number 4,668,401
    • Issue date May 26, 1987
    • Mitsubishi Rayon Co., Ltd.
    • Munehiro Okumura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL