Patents by Inventor Hideto Ashida

Hideto Ashida 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 speaker box and screen
    Patent number: D343396
    Type: Grant
    Filed: May 1, 1992
    Date of Patent: January 18, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mamoru Yamashita, Hideto Ashida, Koji Mochizuki, Osamu Sugihara, Tadashi Sumino, Kenichi Wada