Patents by Inventor Masahiro Kajiura

Masahiro Kajiura 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).

  • Device and method for filtering information, device and method for monitoring updated document information and information storage medium used in same devices
    Patent number: 6092091
    Abstract: The present invention is a device and method for filtering information, the device comprising a document database storing document data to be filtered, a reproduced document information storing unit storing fundamental document data used for detection of documents, newly created or updated, a detecting unit for detecting a document, newly created or updated, among document data stored in the document database based on document data stored in the document database and the fundamental document data stored in the reproduced document information storing unit, a similarity computing unit for computing a similarity between the detected document detected by the detecting unit and a retrieval condition set in advance, and a presenting unit for presenting detected documents detected by the detecting unit according to the similarities computed by the similarity computing unit.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: July 18, 2000
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuo Sumita, Tatsuya Uehara, Nobuhiro Shimogori, Seiji Miike, Tetsuya Sakai, Masahiro Kajiura
  • Information filtering apparatus and method for retrieving a selected article from information sources
    Patent number: 6052714
    Abstract: An information filtering apparatus for providing articles to a user includes an article extraction section that retrieves articles from articles stored in an article storage section using a user-profile. An excerpt generating section generates excerpts of the retrieved article by calculating similarities between the retrieved articles and the user-profile to generate the excerpt including the user's necessary information. An abstract generating section combines excerpts to form an abstract. The user-profile for each user in the user-profile storage section is modified in accordance with user feedback.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: April 18, 2000
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Seiji Miike, Masahiro Kajiura, Tetsuya Sakai, Kenji Ono, Kazuo Sumita
  • Information filtering apparatus for selecting predetermined article from plural articles to present selected article to user, and method therefore
    Patent number: 5907836
    Abstract: An information filtering apparatus for receiving articles, such as texts or images, from information sources to select predetermined articles from the supplied articles to a user has a storage portion, an article retrieving portion, a determining portion and a presentation portion. The storage portion stores retrieving conditions previously specified for each user. The article retrieving portion retrieves the supplied articles to select articles which satisfy the retrieving conditions for each user. The determining portion calculates similarities among the articles selected by the article retrieving portion or the selected articles and other articles to determine relevant articles for each article in accordance with the similarities. The presentation portion adds information of the determined relevant articles to the selected articles to present the articles and information to the user.
    Type: Grant
    Filed: July 31, 1996
    Date of Patent: May 25, 1999
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuo Sumita, Tetsuya Sakai, Masahiro Kajiura, Kenji Ono, Seiji Miike