Patents by Inventor Sadayoshi Ishida

Sadayoshi Ishida 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 video camera and video tape recorder
    Patent number: D295515
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: May 3, 1988
    Assignee: Sony Corporation
    Inventor: Sadayoshi Ishida
  • Video tape recorder
    Patent number: D304334
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: October 31, 1989
    Assignee: Sony Corporation
    Inventors: Toshio Ohya, Sadayoshi Ishida