Patents by Inventor Yasuhiro Asaga

Yasuhiro Asaga 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).

  • Drive unit for an optical disc player
    Patent number: D443874
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: June 19, 2001
    Assignee: Sony Corporation
    Inventors: Yasuhiro Asaga, Hiroshi Ogino