Patents by Inventor Risako Oh

Risako Oh 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).

  • Mobile phone
    Patent number: D502158
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: February 22, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayuki Miyazawa, Risako Oh, Peter Lee
  • Mobile phone
    Patent number: D509813
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: September 20, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayuki Miyazawa, Risako Oh, Sugiko Honda