Patents by Inventor Harumitsu Ishii

Harumitsu Ishii 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).

  • Patent number: D274618
    Type: Grant
    Filed: April 29, 1982
    Date of Patent: July 10, 1984
    Assignee: Sony Corporation
    Inventor: Harumitsu Ishii