TREA

Maruwa Echo Co., Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible luggage
    • Patent number 5,103,945
    • Issue date Apr 14, 1992
    • Maruwa Echo Co., Ltd.
    • Katsukichi Kaneko
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Collapsible luggage
    • Patent number 4,655,329
    • Issue date Apr 7, 1987
    • Maruwa Echo Co. Ltd.
    • Katsuyoshi Kaneko
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Detachable luggage caster roller
    • Patent number 4,054,964
    • Issue date Oct 25, 1977
    • Maruwa Echo Co., Ltd.
    • Katsuyoshi Kaneko
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Detachable luggage caster roller unit
    • Patent number 3,935,613
    • Issue date Feb 3, 1976
    • Maruwa Echo Co., Ltd.
    • Katsuyoshi Kaneko
    • B60 - VEHICLES IN GENERAL