Patents by Inventor Sunao Shotaka

Sunao Shotaka 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).

  • Openable dome-shaped roof structure
    Patent number: 4751800
    Abstract: A dome-shaped roof structure for a large construction such as an athletic stadium is capable of partly opening according to the environmental conditions such as weather conditions. The dome-shaped roof structure includes a stationary roof section having a central opening and fixedly secured along an outer periphery thereof to the side wall of the large construction, and a movable roof section including a plurality of roof units corresponding to a plurality of divisions of the central opening and each capable of being radially moved between an open position where the roof unit is supported on the stationary roof section and a closed position where the roof unit is supported on a beam in the central opening.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: June 21, 1988
    Assignee: Ohbayashi-Gumi, Ltd.
    Inventors: Yukio Kida, Sunao Shotaka, Toshio Adachi, Toru Aoyagi, Shigeki Yamanaka