Patents by Inventor Shinichirou Watanabe

Shinichirou Watanabe 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: 5751805
    Abstract: A data-protection system which permits authorized users to use a target data through a simple operation but does not permit unauthorized users to use the program even though they may be able to copy it.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: May 12, 1998
    Assignee: Kabushiki Kaisya Advance
    Inventors: Kazunori Otsuki, Shinichirou Watanabe