Patents by Inventor Hun Jung Choi

Hun Jung 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).

  • Patent number: 10491223
    Abstract: A memory device includes a delay locked loop that generates a first code for delaying a reference clock in a first operation mode that is a normal operation mode, generates a second code for delaying the reference clock in a second operation mode that is a refresh mode, and delays the reference clock in response to one of the first and second codes depending on one of the first and second operation modes, and a data output circuit that outputs a data strobe signal (DQS) using the delayed reference clock.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: November 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hangi Jung, Hun-Dae Choi, Juho Jeon
  • Publication number: 20190181869
    Abstract: A memory device includes a delay locked loop that generates a first code for delaying a reference clock in a first operation mode that is a normal operation mode, generates a second code for delaying the reference clock in a second operation mode that is a refresh mode, and delays the reference clock in response to one of the first and second codes depending on one of the first and second operation modes, and a data output circuit that outputs a data strobe signal (DQS) using the delayed reference clock.
    Type: Application
    Filed: August 14, 2018
    Publication date: June 13, 2019
    Inventors: HANGI JUNG, Hun-Dae Choi, Juho Jeon
  • Patent number: D682984
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: May 21, 2013
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D683421
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: May 28, 2013
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D683422
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: May 28, 2013
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D683439
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: May 28, 2013
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D687532
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 6, 2013
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D697356
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: January 14, 2014
    Assignee: Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D698018
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: January 21, 2014
    Assignee: Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D718413
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: November 25, 2014
    Assignee: Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D732649
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: June 23, 2015
    Assignee: WOONGJIN COWAY CO., LTD.
    Inventor: Hun Jung Choi
  • Patent number: D733504
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: July 7, 2015
    Assignee: Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D733505
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: July 7, 2015
    Assignee: Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Patent number: D737944
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: September 1, 2015
    Assignee: Lowe's Companies, Inc.
    Inventors: Angela Nixon Shore, Annie Pierce Haynes, Carolyn Morgan Stafford, Jay Kinsley Fording, Paul Richard Manley, Michael Anthony Lorenz, Ludwin Miguel Mora, Hun Jung Choi, Young Jo Kim
  • Patent number: D748233
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: January 26, 2016
    Assignee: COWAY CO., LTD.
    Inventor: Hun Jung Choi
  • Patent number: D748234
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: January 26, 2016
    Assignee: COWAY CO., LTD.
    Inventor: Hun Jung Choi
  • Patent number: D752195
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: March 22, 2016
    Assignee: COWAY CO., LTD.
    Inventor: Hun Jung Choi
  • Patent number: D803614
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: November 28, 2017
    Assignee: Dayou Winia Co., Ltd.
    Inventors: Hun Jung Choi, Young Joon Choi, Ho Gyu Lee
  • Patent number: D818759
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: May 29, 2018
    Assignee: Dayou Winia Co., Ltd.
    Inventors: Hun Jung Choi, Young Joon Choi, Ho Gyu Lee
  • Patent number: D821556
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: June 26, 2018
    Assignee: Lowe's Companies, Inc.
    Inventors: Angela Nixon Shore, Annie Pierce Haynes, Carolyn Morgan Stafford, Jay Kinsley Fording, Paul Richard Manley, Michael Anthony Lorenz, Ludwin Miguel Mora, Hun Jung Choi, Young Jo Kim