Patents by Inventor Yoshinori Sakaya

Yoshinori Sakaya 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).

  • Bridge deck unit and process for construction bridge deck using the unit
    Patent number: 5987680
    Abstract: A bridge deck unit and a process for constructing a bridge deck using the unit, wherein deviation and deflection of reinforcements are prevented, and problems of complicated operation and high cost are solved. Connecting plates for connecting portions of main reinforcements are disposed at a predetermined distance from each other in a longitudinal direction of the main reinforcements such that upper and lower ends of the connecting plates are respectively secured to side surfaces of the main reinforcements.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: November 23, 1999
    Assignee: Kazumi Kazaoka
    Inventor: Yoshinori Sakaya