Patents by Inventor Wakaba Sakai

Wakaba Sakai 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).

  • Combined headphone and audio player
    Patent number: D505411
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: May 24, 2005
    Assignee: Sony Corporation
    Inventor: Wakaba Sakai
  • Combined disc player and radio receiver
    Patent number: D526992
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: August 22, 2006
    Assignee: Sony Corporation
    Inventor: Wakaba Sakai
  • Disc player
    Patent number: D551651
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: September 25, 2007
    Assignee: Sony Corporation
    Inventor: Wakaba Sakai
  • Combined disc player and radio receiver
    Patent number: D557262
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: December 11, 2007
    Assignee: Sony Corporation
    Inventor: Wakaba Sakai
  • Disc player
    Patent number: D493442
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: July 27, 2004
    Assignee: Sony Corporation
    Inventor: Wakaba Sakai