TREA

Kei Yokoyama

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Partition plate for multiple-stage adsorption separator
    • Patent number 5,316,821
    • Issue date May 31, 1994
    • NKK Corporation
    • Seiya Otani
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Separator
    • Patent number 5,200,075
    • Issue date Apr 6, 1993
    • NKK Corporation
    • Seiya Otani
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL