Patents by Inventor Katuo Hashimoto

Katuo Hashimoto 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).

  • Digital clock of leaf type
    Patent number: 4122659
    Abstract: A rotary transmission between a "minute" display mechanism and an "hour" display mechanism is disclosed for use in a digital clock of leaf type. The transmission is disposed between a first bobbin supporting minute's display members and a second bobbin supporting "hour's" display members. The first bobbin carries a planetary gear, which meshes with a ring gear as well as a driven gear formed on the second bobbin. The ring gear has a number of teeth which is different from the number of teeth on the driven gear.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: October 31, 1978
    Assignee: Iida Sankyo Kabushiki Kaisha
    Inventor: Katuo Hashimoto