Patents by Inventor Haruki Eguchi

Haruki Eguchi 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).

  • Patent number: 5227825
    Abstract: A lens barrel for a camera in which a lens hood is divided into a front annular hood member and a rear annular hood member. The lens hood is provided on an outer surface of a front portion of a lens frame in which a lens is housed. A rear portion of the front annular hood member is fitted in a front portion or the rear annular member. The rear portion and the front portion of the lens hood are connected to each other by screws. Portions connecting the front and rear annular hood members are covered with a cover member.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: July 13, 1993
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Haruki Eguchi, Hiroaki Suzuki
  • Patent number: 5227925
    Abstract: A filter holder according to the present invention is provided with a frame installed in a freely mountable and detachable manner in a lens barrel. A female screw formed on one side of the frame in the direction extending along the optical axis of the lens barrel and set by screwing in a male screw of a screw type filter. A plate spring installed on the other side of the frame along the extending direction of the optical axis of the lens barrel mentioned above, is capable of holding a film-shaped filter therein, between the other side surface of the frame and the plate spring.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: July 13, 1993
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventor: Haruki Eguchi