Patents by Inventor Daigo Ishiyama

Daigo Ishiyama 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).

  • Bathtub
    Patent number: D567914
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: April 29, 2008
    Assignee: AS IP Holdco, LLC
    Inventors: Daigo Ishiyama, Gary Uhl, Vince Rotella
  • Bathtub and shower enclosure
    Patent number: D576262
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: September 2, 2008
    Assignee: AS IP Holdco, LLC
    Inventors: Daigo Ishiyama, Gary Uhl, Vince Rotella