Tokiyoshi Yoshino

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Combined writing tool

    • Patent number 5,713,680
    • Issue date Feb 3, 1998
    • Crown Fancy Goods Co., Ltd.
    • Tokiyoshi Yoshino
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES