Patents by Inventor Masao Hiraguri

Masao Hiraguri 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: 6216056
    Abstract: With an operation handle arranged in the neighborhood of e.g. a microscope for operation as an appliance to be supported attached to the tip of plural arms rotatably coupled with one another, the operation force applied to the operation handle is detected as a signal in directions of plural axes by a force/torque sensor, the detected force/torque information in each of the directions of the plural axes is impedance-control and track-control to compute an operation command for each joint in the plural arms, and on the basis of the operation command for each joint, the plural arms are moved in the direction of the operation force.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: April 10, 2001
    Assignee: Kabushiki Kaisha Sanyo Seiki Seisakusho
    Inventors: Akihiro Ito, Haruhiro Tsuneta, Yasuyuki Kitahara, Masao Hiraguri
  • Patent number: 4887345
    Abstract: In a turret apparatus with an automatic tool changer a turret head is rotatably provided on a body. The turret head has two main shafts arranged with an interval of 180 degrees about a rotary shaft. The two main shafts being disposed with an intersectional angle of 90 degrees therebetween so as to horizontally direct in an indexing position of the turret head. A rotary center of said turret head is horizontally directed so as to have an intersectional angle of 45 degrees with respect to each of said two main shafts. One of the main shafts is in on the working side when the other main shaft is on the stand-by side. An automatic tool changing arm and a tool stocker are arranged on the horizontal side portion of the main shaft on the stand-by side.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: December 19, 1989
    Assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho and Toto, Ltd.
    Inventors: Kazuharu Saito, Masao Hiraguri, Sadao Yamada, Junichi Shiozawa