Patents by Inventor Takao Hirata

Takao Hirata 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).

  • Metal connectors for building
    Patent number: 5177927
    Abstract: A metal connector for a building includes a pipe-shaped frame having a plurality of axial slits at its both ends, a wedge member fitted at each end of the frame, and a connecting member directly passed through the frame or passed through a box-shaped anchor loosely fitted over the outer periphery of the frame. The wedge member is fitted to each end of the frame to secure the frame to a wooden member, while neighboring wooden members are joined together by the connecting member.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: January 12, 1993
    Inventors: Shigeo Goya, Takao Hirata