Patents by Inventor Toyostosi Suzuki

Toyostosi Suzuki 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).

  • Shutter release system for a camera
    Patent number: 4134658
    Abstract: A shutter release system for a camera having an electric shutter, made so that when a power source battery is exhausted preventing a shutter control circuit from properly functioning, it is detected to block shutter release and an electric control mode is changed over to a mechanical control mode by handling a change over means for conducting an exposure with a constant period of time.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: January 16, 1979
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toyostosi Suzuki, Takashi Uchiyama, Noriaki Sanada, Tetsuya Taguchi, Ryoichi Suzuki, Michio Hirohata