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Masuhiro Mitsuyama

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  • Wake-gun, Okayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact file for letters and other documents
    • Patent number 5,062,530
    • Issue date Nov 5, 1991
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Document file
    • Patent number 4,988,038
    • Issue date Jan 29, 1991
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Method of making a multi-pocketed paper holder
    • Patent number 4,935,088
    • Issue date Jun 19, 1990
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Card holder
    • Patent number 4,920,673
    • Issue date May 1, 1990
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Document file
    • Patent number 4,790,474
    • Issue date Dec 13, 1988
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Document file
    • Patent number 4,764,159
    • Issue date Aug 16, 1988
    • Masuhiro Mitsuyama
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER