Patents by Inventor Megumi Hiyoshi

Megumi Hiyoshi 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).

  • Automatic excavator, automatic excavation method and automatic loading method
    Patent number: 6247538
    Abstract: An automatic excavator for automatically excavating an excavation object and loading a loading object with the result excavation by utilizing a measuring instrument for determining the distance between the excavator and the excavation object and the loading object, an excavation object recognition system for recognizing a three-dimensional shape of the excavation object on the basis of an output from the measuring instrument, a target excavation position computing system for computing the target excavation position on the basis of the three-dimensional shape of the recognized excavation object, a target loading position computing system for computing a relative position of the loading object with respect to the excavator and a relative attitude of the excavator with respect to the loading object on the basis of an output from the measuring instrument, and computing a target loading position on the basis of the computed relative position, an automatic positioning system for automatically positioning the excava
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: June 19, 2001
    Assignee: Komatsu Ltd.
    Inventors: Shu Takeda, Masanori Tojima, Tomonori Ozaki, Megumi Hiyoshi