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Etsujiro Ikeda

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Postcards and reply postcards for confidential purposes
    • Patent number 5,167,998
    • Issue date Dec 1, 1992
    • Sanyo-Kokusaku Pulp Co., Ltd.
    • Nobuhiro Hato
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Sealed letter
    • Patent number 4,801,074
    • Issue date Jan 31, 1989
    • Jyoni Business Forms Co., Ltd.
    • Etsujiro Ikeda
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER