Patents by Inventor Kohkichi Tateno

Kohkichi Tateno 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).

  • Patent number: 4346542
    Abstract: Joint used to prevent cracks from occurring in a concrete floor. The joint comprises a body of soft material such as foamed styrol and urethane, a capping member of synthetic resin arranged on the top of body, and leg members for supporting and positioning the body on which the capping member has been mounted at the time of the concrete deposit, said leg members being adjustable to raise or lower the body.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: August 31, 1982
    Inventor: Kohkichi Tateno