Patents by Inventor Hiroyuki Takahasi

Hiroyuki Takahasi 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).

  • Camera system
    Patent number: 5255046
    Abstract: A camera system includes a camera body and a photographing lens detachably attached to the camera body. The camera body includes a first controller for controlling the operation of the camera system. The photographing lens includes a second controller for controlling the operation thereof. The second controller of the photographing lens is brought into a sleep state when the first controller of the camera body outputs a first predetermined signal.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: October 19, 1993
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Masahiro Kawasaki, Hiroyuki Takahasi, Shigeru Iwamoto