Patents by Inventor Katsuyuki Chihara

Katsuyuki Chihara 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).

  • Connectors for building unit
    Patent number: 5440844
    Abstract: A connector for connecting a column with two beams in a building unit constructed with a plurality of columns and beams connected to each other comprises a core portion having the same sectional shape as the column and a branch portion having a web and parallel flanges enclosing the web in a right angles state, so that two surfaces of said core portion relate to the web and flanges in a state contacting to each other at right angles.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: August 15, 1995
    Assignee: Misawa Homes Co., Ltd.
    Inventors: Katsuyuki Chihara, Kazunari Ishii, Akira Kishi