Patents by Inventor Kingo Naito

Kingo Naito 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).

  • Structure of base of column and construction method for base of column
    Patent number: 5966882
    Abstract: A structure of base of column and a construction method for base of column formed by installing a lower end of column steel frame on a foundation formed under the ground. Plural column main reinforcing-bars, which have bottom bent portions and are incorporated in a foundation concrete at specified positions corresponding to a sectional shape of column, are protruded upward out of a top face of the foundation concrete and a lower end base plate of the column steel frame is combined to upper protruding portions of the column main reinforcing-bars. As combining measures, there are such measures that a tightening nuts are screwed onto male threaded portions provided on the protruding portions of the column main reinforcing-bars, or caulked portions are formed on the protruding portions of the column main reinforcing-bars.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: October 19, 1999
    Inventor: Kingo Naito
  • Structure of base of column and construction method for base of column
    Patent number: 5678382
    Abstract: A structure of base of column and a construction method for base of column formed by installing a lower end of column steel frame on a foundation formed under the ground. Plural column main reinforcing-bars, which have bottom bent portions and are incorporated in a foundation concrete at specified positions corresponding to a sectional shape of column, are protruded upward out of a top face of the foundation concrete and a lower end base plate of the column steel frame is combined to upper protruding portions of the column main reinforcing-bars. As combining measures, there are such measures that a tightening nuts are screwed onto male threaded portions provided on the protruding portions of the column main reinforcing-bars, or caulked portions are formed on the protruding portions of the column main reinforcing-bars.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: October 21, 1997
    Inventor: Kingo Naito