Ryoji Shibata

Person

  • Higashi Sumiyoshi, Osaka, JA

Patents Grantslast 30 patents

  • Information Patent Grant

    Binder loose leaf

    • Patent number 4,023,292
    • Issue date May 17, 1977
    • Ryoji Shibata
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER