Patents by Inventor Takeru Yoshikawa

Takeru Yoshikawa 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).

  • Work transfer system, route setting method, and route setting program
    Patent number: 7801641
    Abstract: A route setting method according to the present invention sets, in a work transfer system including a plurality of work transfer units which connect a plurality of loading places to a plurality of unloading places, a route of the work transfer units to pass a work between a planned loading place and a planned unloading place which are required to transfer the work in the plurality of loading places and the plurality of unloading places. The route setting method includes the steps of setting, based on layout information representing a layout of the plurality of work transfer units, a plurality of candidates of the route between the planned loading place and the planned unloading place, and selecting, based on a predetermined condition, one route from the plurality of candidates of the route set in the candidate setting step.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: September 21, 2010
    Assignees: Hirata Corporation, Hirata Software Technology Co., Ltd.
    Inventors: Takeru Yoshikawa, Keiichi Uchimura, Zhencheng Hu, Tsugumitsu Kandabashi
  • Work transfer system, route setting method, and route setting program
    Publication number: 20090099686
    Abstract: A route setting method according to the present invention sets, in a work transfer system including a plurality of work transfer units which connect a plurality of loading places to a plurality of unloading places, a route of the work transfer units to pass a work between a planned loading place and a planned unloading place which are required to transfer the work in the plurality of loading places and the plurality of unloading places. The route setting method includes the steps of setting, based on layout information representing a layout of the plurality of work transfer units, a plurality of candidates of the route between the planned loading place and the planned unloading place, and selecting, based on a predetermined condition, one route from the plurality of candidates of the route set in the candidate setting step.
    Type: Application
    Filed: February 10, 2006
    Publication date: April 16, 2009
    Applicants: Hirata Corporation, Hirata Software Technology Co.,, Ltd.
    Inventors: Takeru Yoshikawa, Keiichi Uchimura, Zhencheng Hu, Tsugumitsu Kandabashi