Patents by Inventor Sung Hee Youn

Sung Hee Youn 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).

  • Publication number: 20150107739
    Abstract: The present invention relates to a kerf structure for a snow tire, including a wave-shaped straight portion and an expansion portion formed expanding from the straight portion, wherein the expansion portion includes unit structures, on each of which central semi-sphere holes and polygonal forms around the semi-sphere holes form protrusions in opposite directions are formed continuously. According to the present invention, the kerf structure for a snow tire provides a symmetric shape, thereby securing uniform block rigidity regardless of the direction of the kerf, and the interlocking effect can be maximized through the combination of the protrusion shape of the polygonal shape and the embossing of the semi-sphere hole.
    Type: Application
    Filed: October 13, 2014
    Publication date: April 23, 2015
    Inventors: Sang Tak JOO, Sung Hee YOUN, Su Jin SON, Myoung Joong LEE, Sang Moo LEE, Mu Yeong KIM
  • Patent number: D562220
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: February 19, 2008
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D610527
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: February 23, 2010
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D628957
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: December 14, 2010
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D629739
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: December 28, 2010
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D632880
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: February 22, 2011
    Assignee: Shin Dong Hae International Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D635342
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: April 5, 2011
    Assignee: Shin Dong Hae International Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D641685
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: July 19, 2011
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D646625
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: October 11, 2011
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D651558
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: January 3, 2012
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D662462
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: June 26, 2012
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D662463
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: June 26, 2012
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D671884
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: December 4, 2012
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D708117
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: July 1, 2014
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn
  • Patent number: D726099
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: April 7, 2015
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Sung Hee Youn