Patents by Inventor Daisuke Ishiguro

Daisuke Ishiguro 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).

  • Portable movie projector
    Patent number: D257776
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: January 6, 1981
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Naokuni Sato, Toru Onishi, Daisuke Ishiguro