Patents by Inventor Katsuotoshi Nagai

Katsuotoshi Nagai 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).

  • Electronically controlled camera
    Patent number: 5030979
    Abstract: An electronically controlled camera which is controllable by an external control unit connected to terminals provided on a camera body. The terminals are connected to signal lines arranged between more than one control unit built in the camera body. One sends a predetermined unrequired data to the other one of the control units through the predetermined signal line. This data is externatlly monitored. Furthermore, predetermined photographing data is indicated on an indicator unit of the camera under predetermined conditions.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: July 9, 1991
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Takeo Kobayashi, Yasushi Tabata, Norio Numako, Katsuotoshi Nagai