Patents by Inventor Koumei Yamashita

Koumei Yamashita 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).

  • Disc player
    Patent number: D540294
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: April 10, 2007
    Assignee: Victor Company of Japan, Limited
    Inventor: Koumei Yamashita
  • Tape recorder with a tuner and a digital audio disc player
    Patent number: D491912
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: June 22, 2004
    Assignee: Victor Company of Japan, Limited
    Inventors: Koumei Yamashita, Yoshiya Shimoda, Naoki Hayami