Patents by Inventor Guo-Ping Pan

Guo-Ping Pan 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).

  • Scissors-type connecting member and key structure with scissors-type connecting member
    Patent number: 9000313
    Abstract: A key structure with a scissors-type connecting member is provided. The key structure includes a base plate, a scissors-type connecting member, and a keycap. The scissors-type connecting member includes a first frame and a second frame. The first frame includes a rotating shaft and an extension structure. The extension structure is extended from a first sidewall of the first frame to a ring-shaped periphery of the rotating shaft for enhancing a structural strength of the rotating shaft. The second frame includes a receiving recess for accommodating the rotating shaft and the extension structure.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: April 7, 2015
    Assignee: Primax Electronics Ltd.
    Inventor: Guo-Ping Pan
  • SCISSORS-TYPE CONNECTING MEMBER AND KEY STRUCTURE WITH SCISSORS-TYPE CONNECTING MEMBER
    Publication number: 20140138224
    Abstract: A key structure with a scissors-type connecting member is provided. The key structure includes a base plate, a scissors-type connecting member, and a keycap. The scissors-type connecting member includes a first frame and a second frame. The first frame includes a rotating shaft and an extension structure. The extension structure is extended from a first sidewall of the first frame to a ring-shaped periphery of the rotating shaft for enhancing a structural strength of the rotating shaft. The second frame includes a receiving recess for accommodating the rotating shaft and the extension structure.
    Type: Application
    Filed: March 13, 2013
    Publication date: May 22, 2014
    Applicant: PRIMAX ELECTRONICS LTD.
    Inventor: Guo-Ping Pan