Patents by Inventor Shigeharu Tagagi

Shigeharu Tagagi 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).

  • Publication number: 20140216013
    Abstract: Provided is an exhaust purification system for an internal combustion engine.
    Type: Application
    Filed: December 16, 2011
    Publication date: August 7, 2014
    Inventors: Mayuko Osaki, Kazutoshi Akashi, Masao Watanabe, Shigeharu Tagagi, Takeshi Nobukawa