Patents by Inventor Takashi Nagi

Takashi Nagi 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).

  • Copyright information management system
    Patent number: 7058608
    Abstract: A copyright information management system supporting the management and protection of products comprised of digitalized multimedia content in a product distribution environment. The copyright information management system (10) provides a copyright information management center (11), provided in a product distribution environment (15) where products are distributed through communications lines (14) between a product provider (12) including at least one of a copyright owner and distributor and a product user (13) receiving the product, for exchanging information relating to the products through the communications lines (14). The copyright information management center (11) centrally manages all copyright information through the communications lines (14) by preregistering copyright information relating to the individual products in the center (11).
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: June 6, 2006
    Assignees: Sunmoretec Co., LTD, Suntory Limited
    Inventors: Tomohiro Nagata, Takashi Nagi, Masao Iwamoto, Hitoshi Sakamoto