Patents by Inventor Woo-Seung Han

Woo-Seung Han 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).

  • Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment
    Patent number: 8339871
    Abstract: Herein, a voltage sensing circuit, which is capable of controlling a pumping voltage to be stably generated in a low voltage environment, is provided. The voltage sensing circuit includes a current mirror having first and second terminals, a first switching element configured to control current on the first terminal of the current mirror by a reference voltage, a second switching element configured to control current from the second terminal of the current mirror in response to a pumping voltage, and a third switching element configured to control current sources of the first and second switching elements to receive a negative voltage.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: December 25, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Woo-Seung Han, Khil-Ohk Kang
  • Mobile phone
    Patent number: D662485
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: June 26, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile terminal
    Patent number: D668650
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: October 9, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D669054
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: October 16, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D675185
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D675186
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D675591
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: February 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D676402
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: February 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D680511
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D681589
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: May 7, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile communication terminal
    Patent number: D681590
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: May 7, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile terminal
    Patent number: D742349
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Mobile terminal
    Patent number: D746271
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: December 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Electronic device
    Patent number: D761750
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: July 19, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Seung Han
  • Case for electronic device
    Patent number: D907020
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo Seung Han, Sang Sik Park
  • Case for electronic device
    Patent number: D907021
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo Seung Han, Sang Sik Park
  • Electronic device
    Patent number: D919588
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: May 18, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo Seung Han, Sang Sik Park
  • Electronic device
    Patent number: D924860
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: July 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo Seung Han, Sang Sik Park
  • Electronic device
    Patent number: D976860
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-Seung Han, Sang-Sik Park
  • Electronic device
    Patent number: D976886
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-Seung Han, Sang-Sik Park