Patents by Inventor Hiroyuki Kittaka

Hiroyuki Kittaka 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).

  • On-line information providing scheme featuring function to dynamically account for user's interest
    Patent number: 5999975
    Abstract: An on-line information providing scheme capable of dynamically accounting for user's interest with respect to information and providing appropriate information presentation according to the user's interest. An information provider device updates the information attribute value of the specified information and a user attribute value of the user by reflecting the information attribute value and the user attribute value with each other so as to dynamically update the user's interest and an information characteristic of the specified information, and selects a first set of information according to the user's interest by matching an updated user attribute value with the information attribute value of each information, and a second set of information according to the user's interest by matching an updated information attribute value of the specified information with the information attribute value of each other information.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: December 7, 1999
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Hiroyuki Kittaka, Osamu Akashi, Hideaki Suzuki, Terunao Soneoka, Naoyuki Satoh