Patents by Inventor Syoji Nagare

Syoji Nagare 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).

  • Oval pipe with a flat base
    Patent number: 4020639
    Abstract: The installation of pipes having oval cross sections is made easier by including an installation portion which has a flat base perpendicular to the major axis of the oval cross section.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 3, 1977
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Syoji Nagare, Kozo Osawa