Patents by Inventor Hideaki Ishizaki

Hideaki Ishizaki 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).

  • Loudspeaker
    Patent number: D264209
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: May 4, 1982
    Assignee: Pioneer Kabushiki Kaisha
    Inventor: Hideaki Ishizaki
  • Loudspeaker
    Patent number: D269871
    Type: Grant
    Filed: March 4, 1981
    Date of Patent: July 26, 1983
    Assignee: Pioneer Kabushiki Kaisha
    Inventor: Hideaki Ishizaki