Patents by Inventor Yousuke Ushiroji

Yousuke Ushiroji 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).

  • Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
    Patent number: 7333983
    Abstract: Retrieval conditions inputted from a plurality of users are registered. According to the retrieval conditions, a retrieval is conducted for a text inputted. As a result of the retrieval, similarity of the text is calculated for each retrieval condition. The text is delivered to users of which the retrieval condition satisfies the similarity.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: February 19, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji
  • Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
    Publication number: 20060218137
    Abstract: Retrieval conditions inputted from a plurality of users are registered. According to the retrieval conditions, a retrieval is conducted for a text inputted. As a result of the retrieval, similarity of the text is calculated for each retrieval condition. The text is delivered to users of which the retrieval condition satisfies the similarity.
    Type: Application
    Filed: November 24, 2003
    Publication date: September 28, 2006
    Inventors: Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji
  • Document retrieval method and system and computer readable storage medium
    Patent number: 6665668
    Abstract: A document retrieval system is provided which has a document display interface which is easy to recognize the important portions even if a document retrieved by using a query expression designated by a document or a long sentence is displayed. When a text is registered, predetermined character strings and location information which are extracted from the text are stored in a location information file. A weight of each character string is calculated by a predetermined method and is stored in a weight file. In retrieving a document, predetermined character strings are extracted from a designated query expression. A similarity is calculated between the query expression and texts in the database by using the location information and the weights acquired from the location file and the weight file. In displaying the document, character strings having the high weights are extracted from the character strings used for the retrieval.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: December 16, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Natsuko Sugaya, Katsumi Tada, Tadataka Matsubayashi, Akihiko Yamaguchi, Yasuhiko Inaba, Yousuke Ushiroji
  • Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
    Patent number: 6665667
    Abstract: Retrieval conditions inputted from a plurality of users are registered. According to the retrieval conditions, a retrieval is conducted for a text inputted. As a result of the retrieval, similarity of the text is calculated for each retrieval condition. The text is delivered to users of which the retrieval condition satisfies the similarity.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: December 16, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji
  • Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored
    Patent number: 6549898
    Abstract: Retrieval conditions inputted from a plurality of users are registered. According to the retrieval conditions, a retrieval is conducted for a text inputted. As a result of the retrieval, similarity of the text is calculated for each retrieval condition. The text is delivered to users of which the retrieval condition satisfies the similarity.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: April 15, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji
  • Method of and an apparatus for retrieiving and delivering documents and a recording media on which a program for retrieiving and delivering documents are stored
    Publication number: 20030004928
    Abstract: Retrieval conditions inputted from a plurality of users are registered. According to the retrieval conditions, a retrieval is conducted for a text inputted. As a result of the retrieval, similarity of the text is calculated for each retrieval condition. The text is delivered to users of which the retrieval condition satisfies the similarity.
    Type: Application
    Filed: September 3, 2002
    Publication date: January 2, 2003
    Applicant: Hitachi, Ltd.
    Inventors: Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji