Patents by Inventor Heegun Koo

Heegun Koo 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).

  • Keyboard instrument
    Patent number: D809588
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: February 6, 2018
    Assignee: ROLI Ltd.
    Inventors: Hong-Yeul Eom, Stephen Hempton, Tien-sheng Huang, Heegun Koo, Roland Lamb, Gaetano Ling, John Tree, Ning Xu
  • Keyboard instrument
    Patent number: D810185
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: February 13, 2018
    Assignee: ROLI Ltd.
    Inventors: Hong-Yeul Eom, Stephen Hempton, Tien-sheng Huang, Heegun Koo, Roland Lamb, Gaetano Ling, John Tree, Ning Xu