Patents by Inventor Junichi Hakoyama

Junichi Hakoyama 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).

  • Optical disk for recording information
    Patent number: D549711
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: August 28, 2007
    Assignee: Mitsubishi Chemical Media Co., Ltd.
    Inventor: Junichi Hakoyama