Patents by Inventor Hyun Jung Yi

Hyun Jung Yi 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: 10568579
    Abstract: Provided are a pressure sensor including hybrid electronic sheet and a wearable device including the pressure sensor. The pressure sensor has excellent controllable electric characteristics and excellent mechanical flexibility and stability, and measures, for example, pressure in a simple and highly reproducible manner in which a resistance of a component in a sensor varies depending on applied pressure.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: February 25, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun Jung Yi, Seung Woo Lee, Ki Young Lee
  • Patent number: 10292586
    Abstract: The present invention relates to a non-invasive health indicator monitoring system including a sensing module, an electric power storage module, and a circuit module to collect health indicator information by contacting with a subject. In addition, the present invention also relates to a method for monitoring health indicator continuously by using the health indicator monitoring system.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: May 21, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Won Song, Su Youn Lee, Ji Yeon Lee, Jung Ah Lim, Ji Won Choi, Byung Ki Cheong, Jin Seok Kim, Ho Seong Jang, Hyun Jung Yi
  • Publication number: 20160287089
    Abstract: Provided are a pressure sensor including hybrid electronic sheet and a wearable device including the pressure sensor. The pressure sensor has excellent controllable electric characteristics and excellent mechanical flexibility and stability, and measures, for example, pressure in a simple and highly reproducible manner in which a resistance of a component in a sensor varies depending on applied pressure.
    Type: Application
    Filed: January 5, 2016
    Publication date: October 6, 2016
    Inventors: Hyun Jung Yi, Seung Woo Lee, Ki Young Lee
  • Publication number: 20150201837
    Abstract: The present invention relates to a non-invasive health indicator monitoring system including a sensing module, an electric power storage module, and a circuit module to collect health indicator information by contacting with a subject. In addition, the present invention also relates to a method for monitoring health indicator continuously by using the health indicator monitoring system.
    Type: Application
    Filed: November 11, 2014
    Publication date: July 23, 2015
    Inventors: Yong Won SONG, Su Youn LEE, Ji Yeon LEE, Jung Ah LIM, Ji Won CHOI, Byung Ki CHEONG, Jin Seok KIM, Ho Seong JANG, Hyun Jung YI
  • Patent number: 7675103
    Abstract: A spin transistor comprises a semiconductor substrate part having a lower cladding layer, a channel layer and an upper cladding layer sequentially stacked therein, a ferromagnetic source and drain on the substrate part, and a gate on the substrate part to control spins of electrons passing through the channel layer. The lower cladding layer comprises a first lower cladding layer and a second lower cladding layer having a higher band gap than that of the first lower cladding layer. The upper cladding layer comprises a first upper cladding layer and a second upper cladding layer having a higher band gap than that of the first upper cladding layer. The source and the drain are buried in an upper surface of the substrate part and extend downwardly to or under the first upper cladding layer.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: March 9, 2010
    Assignee: Korea Institute of Science and Technology
    Inventors: Hyun-Cheol Koo, Suk-Hee Han, Jong-Hwa Eom, Joon-Yeon Chang, Hyung-Jun Kim, Hyun-Jung Yi
  • Patent number: 7626857
    Abstract: Provided is a current induced switching magnetoresistance device comprising a magnetic multilayer composed of a first ferromagnetic layer, a nonferromagnetic layer, and a second ferromagnetic layer, wherein the first ferromagnetic layer has an upper electrode, the second ferromagnetic layer pinned by an antiferromagnet, wherein the antiferromagnet contains a lower electrode at its lower part, and the second ferromagnetic layer is embedded with a nano oxide layer. It is preferable to have at least a part of the lower electrode in contact with the second ferromagnetic layer. The magnetoresistance device provides a lower critical current (Ic) for the magnetization reversal and has an increased resistance.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: December 1, 2009
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyung-Ho Shin, Nguyen Thi Hoang Yen, Hyun-Jung Yi
  • Publication number: 20070296406
    Abstract: The present invention provides for a current induced switching magnetoresistance device comprising a magnetic multilayer composed of a first ferromagnetic layer, a nonferromagnetic layer, and a second ferromagnetic layer, wherein the first ferromagnetic layer has an upper electrode, the second ferromagnetic layer pinned by an antiferromagnet, wherein the antiferromagnet contains a lower electrode at its lower part, and the second ferromagnetic layer is embedded with a nano oxide layer. It is preferable to have at least a part of the lower electrode in contact with the second ferromagnetic layer. The magnetoresistance device of the present invention provides a lower critical current (Ic) for the magnetization reversal and has an increased resistance.
    Type: Application
    Filed: October 28, 2005
    Publication date: December 27, 2007
    Applicant: Korea Institute of Science and Technology
    Inventors: Kyung-Ho Shin, Nguyen Hoany Yen, Hyun-Jung Yi
  • Patent number: 7307299
    Abstract: A spin transistor having wide ON/OFF operation margin and producing less noise is provided. The spin transistor includes a substrate having a channel, a source, a drain and a gate formed on the substrate. The source and the drain are formed to have magnetization directions perpendicular to the length direction of the channel. The ON/OFF operations of the spin transistor can be controlled by generating a spin-orbit coupling induced magnetic field to have a direction parallel or anti-parallel to the magnetization directions of the source and the drain.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: December 11, 2007
    Assignee: Korea Institute of Science and Technology
    Inventors: Hyun Cheol Koo, Suk Hee Han, Jong Hwa Eom, Joon Yeon Chang, Hyun Jung Yi