Patents by Inventor Kyung-Yong Koh

Kyung-Yong Koh 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).

  • Patent number: 7082638
    Abstract: The present invention relates to an electromotive toothbrush and more particularly, to an electromotive toothbrush, comprising upper and lower tooth covers surrounding and covering upper and lower teeth, respectively, and having bristles formed at a surface contacting the teeth; a first driving rod combined with a surface of the upper and lower tooth covers where there are no bristles; a second driving rod combined with a left side of a surface of the upper and lower tooth covers where there are bristles; a third driving rod combined with a left side of a surface of the upper and lower tooth covers where there are bristles; a plurality of sensors independently sensing positions of the first, second, and third driving rods; reciprocation means driving the first driving rod and the second and third driving rods in opposite directions to move the upper and lower tooth covers in opposite directions and thereby clean the teeth, the reciprocation means driven by power supplied from a motor, in response to position
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: August 1, 2006
    Inventor: Kyung-Yong Koh
  • Publication number: 20040128777
    Abstract: The present invention relates to an electromotive toothbrush and more particularly, to an electromotive toothbrush, comprising a tooth cover that the brushes, prepared to cover one's multiple teeth, were implanted in the side of the tooth cover contacting the multiple teeth, an inside-driving load combined with the inner part of the tooth cover, an outside-driving load combined with the outer part of the tooth cover, and an elevator means a driving power supplied from a motor drives the inside-driving and the outside driving load to move in the opposite direction each other.
    Type: Application
    Filed: July 7, 2003
    Publication date: July 8, 2004
    Inventor: Kyung-Yong Koh