Patents by Inventor Keiichiro Renge

Keiichiro Renge 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).

  • Reasoning method and fault diagnosis method and system implementing the same
    Patent number: 5412802
    Abstract: A reasoning method capable of easily describing a model of diagnosis, a diagnosis method based on the reasoning method and a fault diagnosis system for performing efficiently faulty component diagnosis. Basic knowledge of a domain for which a knowledge base is used, expert's heuristic knowledge and meta-level knowledge for determining a scheme of use of the basic knowledge and the heuristic knowledge are provided. Fault diagnosis is performed for an objective of interest by executing a combination of reasoning based on the basic knowledge and reasoning based on the heuristic knowledge, in accordance with the meta-level knowledge.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: May 2, 1995
    Assignees: Hitachi, Ltd., Hitachi Touhoku Software, Ltd.
    Inventors: Tsutomu Fujinami, Kouji Inoue, Hiroshi Tsuji, Keiichiro Renge, Kenzo Moriyama, Kenji Tozuka