Patents by Inventor Che-tong Lin

Che-tong Lin 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: 7748982
    Abstract: A dental attachment includes a magnet element delivering a magnetic attraction force, a yoke made of a soft magnetic material and having a recess for housing the magnet element, and a disc consisting of the soft magnetic material and joined to the yoke so as to close the opening of the recess with the magnet element housed in the recess. The yoke has an almost disc shape and has collars protruding radially outwardly from the outer peripheral surface thereof. The collars are formed to be separated in at least two locations in a substantially peripheral direction, and non-protruding portions having radially outward projection amounts of zero or up to 50% of the maximum projection amount at the collars are provided between respective collars.
    Type: Grant
    Filed: February 16, 2004
    Date of Patent: July 6, 2010
    Assignee: Aichi Steel Corporation
    Inventors: Yoshinobu Honkura, Kazuo Arai, Eiki Kikuchi, Yuh-yuan Shiau, Che-tong Lin
  • Publication number: 20070037124
    Abstract: A dental attachment including a magnet element delivering a magnetic attraction force, a yoke of a soft magnetic material and including a recess for housing the magnet element, and a disc joined to the yoke so as to close the opening of the recess with the magnet element housed in the recess. The yoke has a substantially disc shape portion and collars protruding axially outwardly from the outer peripheral surface of the disc shape portion. The collars are formed to be separated in at least two locations in a substantially peripheral direction, and non-protruding portions having radially outward projection amounts from zero to 50% of the maximum projection amount at the collars are provided between respective collars.
    Type: Application
    Filed: February 16, 2004
    Publication date: February 15, 2007
    Applicant: AICHI STEEL CORPORATION
    Inventors: Yoshinobu Honkura, Kazuo Arai, Eiki Kikuchi, Yuh-yuan Shiau, Che-tong Lin