Patents by Inventor Isamu Yamamato

Isamu Yamamato 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).

  • Column/beam joint structure
    Patent number: 4905436
    Abstract: A column/beam joint structure, made of steel members, in which a reinforcing member formed into a flat plate or into a strip shape so as to surround the outer periphery of the flange is interposed between a flange having a vertical plane constituting the column and a base plate constituting a connector fixedly fitted to an end of a beam. The flange, the reinforcing member and the connector are integrally joined together via a connecting fastener member.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: March 6, 1990
    Assignee: Hitachi Metals, Ltd.
    Inventors: Hideshige Matsuo, Isamu Yamamato, Michio Itoh, Shue Suzuki, Mitsunobu Iwata, Kuniaki Sato, Yukihiro Omika, Yoshihiro Nakamura, Akio Tomita, Toshikazu Yamada, Toshio Saeki, Kouichi Suguki