Patents by Inventor Shang-Ji LEE

Shang-Ji LEE 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).

  • Foldable wheel
    Patent number: 8678520
    Abstract: The present invention provides a foldable wheel which can greatly reduce its size and be carried conveniently, comprising: an extendable hub including a first end and a second end, wherein the distance between the first end and the second end may be changed by adjusting the extendable hub; a plurality of extendable spokes each including a first extendable portion and a second extendable portion, wherein the first extendable portion connects with the first end of the extendable hub and the second extendable portion connects with the second end of the extendable hub, and the first extendable portion connects with the second extendable portion by a first connector; and a plurality of the second connectors connected with the plurality of extendable spokes for connecting to a rim.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: March 25, 2014
    Assignee: National Tsing Hua University
    Inventors: Dongliang Daniel Sheu, Shang-Ji Lee
  • Foldable Wheel
    Publication number: 20120032497
    Abstract: The present invention provides a foldable wheel which can greatly reduce its size and be carried conveniently, comprising: an extendable hub including a first end and a second end, wherein the distance between the first end and the second end may be changed by adjusting the extendable hub; a plurality of extendable spokes each including a first extendable portion and a second extendable portion, wherein the first extendable portion connects with the first end of the extendable hub and the second extendable portion connects with the second end of the extendable hub, and the first extendable portion connects with the second extendable portion by a first connector; and a plurality of the second connectors connected with the plurality of extendable spokes for connecting to a rim.
    Type: Application
    Filed: November 1, 2010
    Publication date: February 9, 2012
    Applicant: National Tsing Hua University
    Inventors: Dongliang Daniel SHEU, Shang-Ji LEE