Patents by Inventor Sa Reum Kim

Sa Reum Kim 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).

  • Variable diameter wheel
    Patent number: 9415631
    Abstract: Disclosed is a variable-diameter wheel including a wheel having a folding pattern in which a unit cell is repeated and configured to be expanded or contracted so that a wheel diameter is varied; a spoke fixedly coupled to both longitudinal ends of the wheel and configured to be expanded or contracted according to a change in a distance between both sides, such that the wheel diameter is varied; and a variable induction shaft rotatably coupled with one of the both spokes to move the spoke in at least one lengthwise direction and configured to vary a distance between one spoke and the other spoke.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: August 16, 2016
    Assignee: SNU R&DB Foundation
    Inventors: Dae Young Lee, Ji Suk Kim, Sa Reum Kim, Jae Jun Park, Kyu Jin Cho
  • Variable-Diameter Wheel
    Publication number: 20150352896
    Abstract: Disclosed is a variable-diameter wheel including a wheel having a folding pattern in which a unit cell is repeated and configured to be expanded or contracted so that a wheel diameter is varied; a spoke fixedly coupled to both longitudinal ends of the wheel and configured to be expanded or contracted according to a change in a distance between both sides, such that the wheel diameter is varied; and a variable induction shaft rotatably coupled with one of the both spokes to move the spoke in at least one lengthwise direction and configured to vary a distance between one spoke and the other spoke.
    Type: Application
    Filed: December 15, 2014
    Publication date: December 10, 2015
    Inventors: Dae Young Lee, Ji Suk Kim, Sa Reum Kim, Jae Jun Park, Kyu Jin Cho