Patents by Inventor Yousuke Sera

Yousuke Sera 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).

  • Connection structure between a column and cross beams of timber construction and a connection method for connecting the column and cross beams
    Patent number: 5941044
    Abstract: A connection structure for connecting a column and cross beam includes a column, a first cross beam extending in a horizontal direction, a second cross beam extending in a horizontal direction, a first through hole formed in the column, a second through hole formed in the column having a common space with the first through hole, a first attachment bolt inserted into the first through hole, a second attachment bolt inserted into the second through hole, a connecting member having a connecting portion to connect with the first connecting portion of the first attachment bolt and a third supporting portion to support the first cross beam connected with the column, and an additional connecting member having a further connecting portion to connect with the second connecting portion of the second attachment bolt and a fourth supporting portion to support the second cross beam connected with the column.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: August 24, 1999
    Inventor: Yousuke Sera