Patents by Inventor Yasuyo Kikuta

Yasuyo Kikuta 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 retrieval system using hierarchical data-management function
    Patent number: 5628009
    Abstract: A general-information storing unit stores general information sets which are managed by a general-information managing unit which is provided in a network. A plurality of sectional-information storing units store respective sectional information sets which are managed by respective ones of a plurality of sectional-information managing units. The plurality of sectional-information managing units are provided in the network. A plurality of personal-information storing units store respective personal information sets which are managed by respective ones of a plurality of personal-information managing units. The plurality of personal-information managing units are provided in the network. An automatic retrieval unit retrieves a predetermined information unit from among the general information sets, sectional information sets, and personal information sets, in response to a relevant retrieval command being input to said information retrieval system.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: May 6, 1997
    Assignee: Fujitsu Limited
    Inventors: Yasuyo Kikuta, Akira Murata, Masaki Hiraga