Patents by Inventor Ichikawa Shingo

Ichikawa Shingo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bracelet type wrist watch
    Patent number: 4627739
    Abstract: A bracelet type wrist watch composed of a curved body having a watch embedded therein, and a coil spring covering said curved body, thus presenting a neat appearance as an ornamental ring when worn around the wrist.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: December 9, 1986
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Ichikawa Shingo, Hisahide Nakagawa, Hayao Kano, Koji Kudo