Patents by Inventor Keigo Ohsaki

Keigo Ohsaki 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).

  • Information distribution system
    Publication number: 20020194301
    Abstract: Program information is distributed to many user terminals with ease.
    Type: Application
    Filed: June 27, 2002
    Publication date: December 19, 2002
    Inventors: Hiroki Morii, Kiyosato Izawa, Keigo Ohsaki