Yuji Nishioka

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Barrel cylinder for writing instrument

    • Patent number 5,961,239
    • Issue date Oct 5, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Yuji Nishioka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES