Patents by Inventor Kyu Kwan Choi

Kyu Kwan Choi 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).

  • Vacuum cleaner
    Patent number: D532944
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: November 28, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D535071
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: January 9, 2007
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D535792
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: January 23, 2007
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D555849
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: November 20, 2007
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Hyun Seon Shin
  • Vacuum cleaner
    Patent number: D555851
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: November 20, 2007
    Assignee: LG Electronics Inc.
    Inventors: Hyun Seon Shin, Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D555852
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: November 20, 2007
    Assignee: LG Electronics Inc.
    Inventors: Hyun Seon Shin, Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D556962
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: December 4, 2007
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Hyun Seon Shin
  • Vacuum cleaner
    Patent number: D557469
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: December 11, 2007
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Hyun Seon Shin
  • Vacuum cleaner
    Patent number: D557470
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: December 11, 2007
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Hyun Seon Shin
  • Refrigerator
    Patent number: D578556
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: October 14, 2008
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Refrigerator
    Patent number: D578557
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: October 14, 2008
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Refrigerator
    Patent number: D578558
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: October 14, 2008
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Kimchi refrigerator
    Patent number: D593583
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 2, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Dae Sung Lee, Kyu Tae Park
  • Kimchi refrigerator
    Patent number: D597560
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: August 4, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Dae Sung Lee, Kyu Tae Park
  • Kimchi refrigerator
    Patent number: D597563
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: August 4, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Dae Sung Lee, Kyu Tae Park
  • Kimchi refrigerator
    Patent number: D597564
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: August 4, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Gwan Woo Park, Dae Sung Lee
  • Kimchi refrigerator
    Patent number: D672374
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: December 11, 2012
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Sun Il Cho, Seon Kyu Kim, Sin Eun Kang, Jae Young Kim
  • Cold air discharge duct for kimchi refrigerators
    Patent number: D673588
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: January 1, 2013
    Assignee: LG Electronics Inc.
    Inventors: Kyu Kwan Choi, Sun Il Cho, Seon Kyu Kim, Sin Eun Kang, Jae Young Kim
  • Refrigerator
    Patent number: D768735
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: October 11, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyu Kwan Choi, Dae Sung Lee, Seon Il Yu
  • Refrigerator
    Patent number: D768736
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: October 11, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyu Kwan Choi, Seon Il Yu, Dae Sung Lee