TREA

Joji Morioka

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter medium forming system and process
    • Patent number 4,940,500
    • Issue date Jul 10, 1990
    • Tsuchiya Mfg. Co., Ltd.
    • Shigeo Tadokoro
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD