Patents Assigned to Sanko Seisakusho Co.
  • Patent number: 7491022
    Abstract: An inclining and rotating table apparatus is provided with a rotary table device having a driven rotating shaft driven to rotate by a first drive source, and a rotary table driven to rotate by the driven rotating shaft; a driven turning shaft for causing inclination of a table surface of the rotary table device by causing the rotary table device to turn, the driven turning shaft being driven to turn by a second drive source; and a clamping device for clamping at least one of the driven rotating shaft and the driven turning shaft.
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: February 17, 2009
    Assignees: Sanko Seisakusho Co., Yamazaki Mazak Corporation
    Inventors: Heizaburo Kato, Koki Torimaru, Toshihiko Yokoe
  • Patent number: 6252149
    Abstract: In a finger plate for a stringed instrument, the frets are formed arcuately and have a center of curvature through which some extending lines of strings pass, so that lengths of the strings between adjacent frets are made equal and every string crosses every fret perpendicularly. As a result, exact musical interval can be attained.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: June 26, 2001
    Assignee: Sanko Seisakusho Co., Ltd.
    Inventor: Tatsuya Matsushita