Patents by Inventor Toyoki Ishida

Toyoki Ishida 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).

  • Tripartite camera with releasable coupling between each part
    Patent number: 4420240
    Abstract: A camera constructed from at least three different units or parts arranged in combination, with the units being releasably attached to each other by respective individual coupling devices which are made with a basically similar construction and which are operated to lock the individual camera parts together and to unlock the connection therebetween upon release actuation of the coupling devices.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: December 13, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Katsuma, Toyokazu Mizogui, Takashi Isobe, Akira Hiramatsu, Hiroyasu Murakami, Toyoki Ishida