Patents by Inventor Yukio Hisada

Yukio Hisada 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).

  • Patent number: 5672947
    Abstract: The automatic guide method for vehicles relates to an automatic guide method for the operation of unmanned vehicles which, guided along guide paths preset on the floor in factories and warehouses, etc., carry and handle various loads in a fully automated fashion, and more particularly to an automatic guide method which has a course-search function and function to prevent straying such that a vehicle which is positioned at the start of an operation with its magnetic sensor off the guide path within certain limits or which strays off course abruptly for some reason during ordinary operation, is restored to the guide path by searching and finding the magnetic tape.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: September 30, 1997
    Assignee: Yazaki Industrial Chemical Co., Ltd.
    Inventors: Yukio Hisada, Hiromi Otake, Tadashi Ike, Motohiro Sugiyama
  • Patent number: 5525884
    Abstract: A magnetically guided unmanned vehicle system to carry various loads along a guide path of a closed loop which comprises guide path consists of magnetic tape, a magnetic guide type steering drive unit having a magnetic sensor to detect magnetism from said tape and a drive wheel, said steering drive unit having a driving means to drive said drive wheel and a steering means controlled automatically by signals detected by said magnetic sensor, a trolley which has wheels at each of the four corners of the lower surface of a chassis thereof, the front said wheels having a universal casters, and a carriage shelf assembly which has one or a plurality of horizontal automatic roller conveyer(s) as shelves. The magnetically guided vehicle can be constructed by combining the trolley, the steering drive unit and the carriage shelf assembly and the trolley can be used for its original purposes by disassembling such parts.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: June 11, 1996
    Assignee: Yazaki Industrial Chemical Co., Ltd.
    Inventors: Noriyasu Sugiura, Yukio Hisada, Tadashi Ike, Motohiro Sugiyama
  • Patent number: 5201429
    Abstract: A storage system having a plurality of gravity-feed flow-rack cells 4 classified for a group of different stock and an indicator lamp 8 at a front end of each of the cells 4; the lamps 8 light to provide guidance and indication for stock unloading to a specific group of the cells 4 for the stock shelved therein; an electronic control unit 10 is provided to enable easy selection or reselection of the cells 4 to be picked, which includes operation buttons 13 which input in a memory of the control unit 10 data to cause the indicator lamps 8 to light up; and sensors 9 are provided in each of the cells 4 to monitor access to the cells.
    Type: Grant
    Filed: March 5, 1992
    Date of Patent: April 13, 1993
    Assignee: Yazaki Industrial Chemical Co. Ltd.
    Inventors: Tadayoshi Hikosaka, Yukio Hisada, Toshihiro Nakano
  • Patent number: D363565
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: October 24, 1995
    Assignee: Yazaki Industrial Chemical Co., Ltd.
    Inventors: Noriyasu Sugiura, Yukio Hisada