Patents by Inventor Tsuguhito Hayashi

Tsuguhito Hayashi 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).

  • Brush unit, a device for brush-polishing that uses the brush unit, a system for brush-polishing, and a method for brush-polishing
    Patent number: 9597766
    Abstract: The purpose of the present invention is to provide a device for brush-polishing by means of a polishing brush that rotates and revolves as in a planetary motion, wherein the conditions to polish can be easily set in accordance with the properties of the workpiece and the purposes to polish. A brush unit has a polishing brush that rotates and revolves. The brush unit includes a mechanism for driving the rotation that rotates the polishing brush and the mechanism for driving the revolution that revolves it. By adjusting the speed of the rotation by the mechanism for driving the rotation the capabilities to polish the workpiece are enhanced. By adjusting the speed of the revolution by the mechanism for driving the revolution the entire workpiece is uniformly polished.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: March 21, 2017
    Assignee: SINTOKOGIO, LTD.
    Inventors: Tsuguhito Hayashi, Youichiro Hiratsuka, Shigeru Tanahashi
  • A BRUSH UNIT, A DEVICE FOR BRUSH-POLISHING THAT USES THE BRUSH UNIT, A SYSTEM FOR BRUSH-POLISHING, AND A METHOD FOR BRUSH-POLISHING
    Publication number: 20150367477
    Abstract: The purpose of the present invention is to provide a device for brush-polishing by means of a polishing brush that rotates and revolves as in a planetary motion, wherein the conditions to polish can be easily set in accordance with the properties of the workpiece and the purposes to polish. A brush unit has a polishing brush that rotates and revolves. The brush unit includes a mechanism for driving the rotation that rotates the polishing brush and the mechanism for driving the revolution that revolves it. By adjusting the speed of the rotation by the mechanism for driving the rotation the capabilities to polish the workpiece are enhanced. By adjusting the speed of the revolution by the mechanism for driving the revolution the entire workpiece is uniformly polished.
    Type: Application
    Filed: January 20, 2014
    Publication date: December 24, 2015
    Inventors: Tsuguhito Hayashi, Youichiro HIRATSUKA, Shigeru TANAHASHI