TREA

Norihasa Yamamoto

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  • Obu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust filter
    • Patent number 7,981,180
    • Issue date Jul 19, 2011
    • Aisan Kogyo Kabushiki Kaisha
    • Norihasa Yamamoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dust filter
    • Patent number 7,942,947
    • Issue date May 17, 2011
    • Aisan Kogyo Kabushiki Kaisha
    • Norihasa Yamamoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL