Patents by Inventor Takuji Takayama

Takuji Takayama 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).

  • Routing method and system
    Patent number: 5119317
    Abstract: A routing system for finding a route which satisfies predetermined limiting conditions in a space of an object space with an aid of a computer, includes a first processor for dividing at least the object area into a plurality of areas and extracting a divided area or divided areas which satisfy the predetermined limiting conditions from the plurality of divided areas, and a second processor for further dividing the divided area or divided areas extracted by the first processor into a plurality of subdivided areas and extracting a subdivided area or subdivided areas which satisfy the predetermined limiting conditions from the plurality of subdivided areas.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: June 2, 1992
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Noboru Narikawa, Setsuo Yamamoto, Takuji Takayama, Norio Sasaki