Patents by Inventor Kyo Sik Woo

Kyo Sik Woo 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).

  • Powder container
    Patent number: D740357
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: October 6, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shinichi Arasawa, Kohta Sakaya, Seong Ryeol Pyo, Kyo Sik Woo