Patents Assigned to Toshiharu Ishikawa
  • Coating removal apparatus using coordinate-controlled laser beam
    Patent number: 5864114
    Abstract: Removal of a coating, especially a thin coating such as a paint, formed on the surface of various structures, is conducted using a laser beam, based on coordinate data of an area being laser-fired and of a target area to be laser-fired. A projection spot of the laser beam partially and reciprocatingly rotates, and accurate control of removal is conducted in such a way as to match the area being laser-fired and the target area.
    Type: Grant
    Filed: November 10, 1995
    Date of Patent: January 26, 1999
    Assignee: Toshiharu Ishikawa
    Inventor: Tsutomu Fukuda