Keiji Arai

Person

  • Yotsukaido, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Shutter control device for camera

    • Patent number 4,763,155
    • Issue date Aug 9, 1988
    • Seikosha Co., Ltd.
    • Hajime Oda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY