Patents by Inventor Kiyoyuki Wakita

Kiyoyuki Wakita 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).

  • Method of positioning a boring mechanism in a stern tube
    Patent number: 4172665
    Abstract: A method and system of positioning a boring mechanism in a stern tube, wherein a hollow boring bar having a plurality of laser detecting devices in the hollow portion thereof and an adjusting mechanism corresponding to each of the detectors on the outside of the bar supported within the tube, and a laser beam is directed down the center line of the bar. The detector and auxiliary circuits detect when the laser beam is off center and signals a control means to adjust the corresponding adjusting mechanism and thus the position of the boring bar until the laser beam is again centered.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: October 30, 1979
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Kiyoyuki Wakita, Masaharu Suzuki