Patents by Inventor Takashi Tagou

Takashi Tagou 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).

  • Air filter
    Patent number: D593189
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: May 26, 2009
    Assignee: Nitto Denko Corporation
    Inventors: Eizou Kawano, Youzou Yano, Takashi Tagou, Akio Suzuki
  • Air filter
    Patent number: D605274
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: December 1, 2009
    Assignee: Nitto Denko Corporation
    Inventors: Eizou Kawano, Youzou Yano, Takashi Tagou, Akio Suzuki
  • Air filter
    Patent number: D605275
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: December 1, 2009
    Assignee: Nitto Denko Corporation
    Inventors: Eizou Kawano, Youzou Yano, Takashi Tagou, Akio Suzuki