Yoshirou Koutaka

Person

  • Fukushima-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Data entry keyboard

    • Patent number D386488
    • Issue date Nov 18, 1997
    • Alps Electric Co., Ltd.
    • Masaaki Kageyama
    • D14 - Recording, communication, or information retrieval equipment