Patents Assigned to Sanko Seisakusho Co., Ltd.
  • Finger plate for a stringed instrument
    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