Patents by Inventor Kinji Ishida

Kinji 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).

  • Dual window assembly
    Patent number: 4324071
    Abstract: A dual window assembly comprises an interior window unit adapted to be mounted within an opening in a building wall and an exterior window unit adapted to be mounted on the exterior of the opening. First and Second frames of the units have respective first and second mounting flanges which are interconnected by means of connector plates.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: April 13, 1982
    Assignee: Yosnida Kogyo K.K.
    Inventor: Kinji Ishida
  • Dual window assembly
    Patent number: 4285166
    Abstract: A dual window assembly comprises an interior window unit adapted to be mounted within an opening in a building wall and an exterior window unit adapted to be mounted on the exterior of the opening. First and second frames of the units have respective first and second mounting flanges which are to be secured together by means of connector strips.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: August 25, 1981
    Assignee: Yoshida Kogyo K. K.
    Inventor: Kinji Ishida
  • Double-glazed window structure
    Patent number: 4270322
    Abstract: A structure for constructing a double-glazed window by attaching an add-on outer window frame to the exterior surface of an existing window opening having a ready-built inner window frame is provided, in which an intermediate frame is connected to the inboard periphery of the outer window frame to enter the window opening closely reaching the outboard periphery of the ready-built inner window frame and a gap between the intermediate frame and the ready-built inner window frame is filled by a sealing material to form a joint.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: June 2, 1981
    Assignee: Yoshida Kogyo K.K.
    Inventor: Kinji Ishida