Patents by Inventor Kotaro Tsukuda

Kotaro Tsukuda 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 reception and delivery system using global and local directory tables in an intranet
    Patent number: 6247012
    Abstract: An information reception and delivery system receives and delivers private information produced and delivered within an internal network 100 and global information reception from an external network 200 connected to the internal network 100. A directory includes information sources (or servers) and reception information used for receiving the information. A predetermined high-level server 110 of the system manages reception and delivery performed by other servers 120 etc. provided in the internal network, through use of both a global directory table 1 holding a directory regarding the global information and a private directory table 2 holding a directory regarding the private information.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: June 12, 2001
    Assignee: PFU Limited
    Inventors: Koji Kitamura, Akira Kubota, Shinya Abe, Toshikuni Hamano, Kotaro Tsukuda, Shigeru Miki