Patents by Inventor Mineo Oku

Mineo Oku 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).

  • Digital audio disk player
    Patent number: D448357
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: September 25, 2001
    Assignee: Nippon Columbia Co., Ltd.
    Inventor: Mineo Oku