Kageyama Shuhei

Person

  • Saitama-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil

    • Patent number 5,662,424
    • Issue date Sep 2, 1997
    • A. T. Cross Company
    • Kageyama Shuhei
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES