Patents by Inventor Rumi Ohta

Rumi Ohta 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).

  • Key case
    Patent number: D580818
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: November 18, 2008
    Inventors: Tsuyoshi Ohta, Rumi Ohta
  • Key case
    Patent number: D589698
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: April 7, 2009
    Inventors: Tsuyoshi Ohta, Rumi Ohta
  • Key case
    Patent number: D603601
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: November 10, 2009
    Inventors: Tsuyoshi Ohta, Rumi Ohta