Patents by Inventor Yong Kyun Oh

Yong Kyun Oh 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: 11278090
    Abstract: Provided is a portable compact umbrella including a case having an inner accommodation space and opened one side, a roller rotatably installed in the case, a support having a variable length and configured to support the case, and an umbrella part accommodated in the accommodation space by passing through an opening at one side of the case in conjunction with rotation of the roller, to reduce an accommodation volume and be easily accommodated and unfolded.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: March 22, 2022
    Inventor: Yong Kyun Oh
  • Publication number: 20210015224
    Abstract: Provided is a portable compact umbrella including a case having an inner accommodation space and opened one side, a roller rotatably installed in the case, a support having a variable length and configured to support the case, and an umbrella part accommodated in the accommodation space by passing through an opening at one side of the case in conjunction with rotation of the roller, to reduce an accommodation volume and be easily accommodated and unfolded.
    Type: Application
    Filed: July 8, 2020
    Publication date: January 21, 2021
    Inventor: Yong Kyun OH
  • Patent number: 8011379
    Abstract: The present invention relates to a portable and compact umbrella capable of being folded compactly without exposing umbrella ribs and umbrella cloth thereby being easily carried and stored. A portable and compact umbrella according to the present invention includes an extendable umbrella stick extended and retracted to change its length, wherein the extendable umbrella stick has a sheltering means provided at one side thereof and a fixing protrusion provided at the other side thereof; and a handle member having both ends communicating with each other and a receiving space defined therein, wherein the receiving space is partitioned by a cylindrical winding unit, the winding unit has an inner space formed inside thereof so that the extendable umbrella stick is retracted and received in the inner space, and the winding unit has an outer space formed outside thereof so that the sheltering means is wound around the winding unit and received in the outer space.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: September 6, 2011
    Inventor: Yong Kyun Oh
  • Publication number: 20100031984
    Abstract: The present invention relates to a portable and compact umbrella capable of being folded compactly without exposing umbrella ribs and umbrella cloth thereby being easily carried and stored. A portable and compact umbrella according to the present invention includes an extendable umbrella stick extended and retracted to change its length, wherein the extendable umbrella stick has a sheltering means provided at one side thereof and a fixing protrusion provided at the other side thereof; and a handle member having both ends communicating with each other and a receiving space defined therein, wherein the receiving space is partitioned by a cylindrical winding unit, the winding unit has an inner space formed inside thereof so that the extendable umbrella stick is retracted and received in the inner space, and the winding unit has an outer space formed outside thereof so that the sheltering means is wound around the winding unit and received in the outer space.
    Type: Application
    Filed: February 1, 2008
    Publication date: February 11, 2010
    Inventor: Yong Kyun Oh
  • Patent number: 6801116
    Abstract: Disclosed is an overload protector with a hermetically sealed structure, the overload protector comprising a housing that has an outer peripheral flange and an external connecting terminal and that accommodates a bimetal element having a movable contact and a fixed contact; a conducting plate that is installed to an upper portion of the housing and that has an external connecting terminal and a contact connected to the movable contact of the bimetal element; and an insulating gasket disposed between the housing and the conducting plate, grooves or ribs being formed on the entire flange, and ribs or grooves being formed on a portion of the conducting plate corresponding to the grooves or ribs formed on the flange in such a way that the ribs or grooves of the conducting plate are engaged with the groves or ribs of the flange.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: October 5, 2004
    Assignee: Texas Instruments Korea Limited
    Inventors: Yong Kyun Oh, Yeon Keun Chung, Young Koo Kim
  • Publication number: 20040041681
    Abstract: Disclosed is an overload protector with a hermetically sealed structure, the overload protector comprising a housing that has an outer peripheral flange and an external connecting terminal and that accommodates a bimetal element having a movable contact and a fixed contact; a conducting plate that is installed to an upper portion of the housing and that has an external connecting terminal and a contact connected to the movable contact of the bimetal element; and an insulating gasket disposed between the housing and the conducting plate, grooves or ribs being formed on the entire flange, and ribs or grooves being formed on a portion of the conducting plate corresponding to the grooves or ribs formed on the flange in such a way that the ribs or grooves of the conducting plate are engaged with the groves or ribs of the flange.
    Type: Application
    Filed: June 18, 2003
    Publication date: March 4, 2004
    Inventors: Yong Kyun Oh, Yeon Keun Chung, Young Koo Kim