Patents by Inventor Eisuke Nishitsu

Eisuke Nishitsu 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 management system and method
    Patent number: 7707211
    Abstract: To obtain information having a relation, it is required for an application program to execute retrieval processing in which the program first acquires key information supervising relations between tables to sequentially trace the relations to finally obtain the target information. Since it is required for the program to execute as many access operations as there are hierarchic level of relations, the access efficiency is lowered. By establishing a correspondence between first relating information representing relations between a first table and a second table and second relating information, path information representing hierarchic structure of data between a plurality of tables is stored in a storage. Various processings are executed by use of the path information.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: April 27, 2010
    Assignees: Hitachi, Ltd., Hitachi Chemical Co., Ltd.
    Inventors: Munetatsu Fukuda, Koshichiro Mitsukuni, Naoki Takahashi, Kazuki Kojima, Shinichi Kirikoshi, Eisuke Nishitsu, Minoru Oshino, Akira Nishimura
  • INFORMATION MANAGEMENT SYSTEM AND METHOD
    Publication number: 20070156746
    Abstract: To obtain information having a relation, it is required for an application program to execute retrieval processing in which the program first acquires key information supervising relations between tables to sequentially trace the relations to finally obtain the target information. Since it is required for the program to execute as many access operations as there are hierarchic level of relations, the access efficiency is lowered. By establishing a correspondence between first relating information representing relations between a first table and a second table and second relating information, path information representing hierarchic structure of data between a plurality of tables is stored in a storage. Various processings are executed by use of the path information.
    Type: Application
    Filed: November 9, 2006
    Publication date: July 5, 2007
    Inventors: Munetatsu FUKUDA, Koshichiro Mitsukuni, Naoki Takahashi, Kazuki Kojima, Shinichi Kirikoshi, Eisuke Nishitsu, Minoru Oshino, Akira Nishimura