Patents by Inventor Je-Hee Park

Je-Hee Park 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).

  • COOLING APPARATUS FOR POWER MODULE
    Publication number: 20250048589
    Abstract: A cooling apparatus for a power module including a plurality of cooling modules provided to be in contact with each of both surfaces of the power module, in which the cooling module includes a manifold cover provided with a plurality of guide walls extending in a first direction in a state of being spaced apart from each other and a pin plate having one surface being in contact with the power module and having a plurality of pins extending in a second direction crossing the first direction formed on the other surface thereof.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Sang Hun LEE, Se Heun KWON, Seong Min LEE, Je Hwan LEE, Hyong Joon PARK, Yun Seo KIM, Geon Hee LEE, Dae Young KONG, Min Soo KANG, Hyoung Soon LEE
  • Semiconductor device with multiple zero differential transconductance and method of manufacturing same
    Patent number: 12218155
    Abstract: A semiconductor device with multiple zero differential transconductance includes: a conductive substrate; a first insulating layer and a second insulating layer disposed on the conductive substrate; a first semiconductor and a second semiconductor disposed on first portions of the first insulating layer and the second insulating layer, respectively; a first buffer layer and a second buffer layer disposed on electrode contact areas of the first semiconductor and the second semiconductor, respectively; and an anode electrode and a cathode electrode disposed on second portions, which are different from the first portions, of the first insulating layer and the second insulating layer and on the first buffer layer and the second buffer layer, respectively, wherein the first semiconductor and the second semiconductor are disposed in parallel with each other and connected by the anode electrode and the cathode electrode.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: February 4, 2025
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jin Hong Park, Jae Woong Choi, Je Jun Lee, Ju Hee Lee
  • Apparatus for monitoring failure positions in wavelength division multiplexing-passive optical networks and wavelength division multiplexing-passive optical network systems having the apparatus
    Patent number: 9130671
    Abstract: Disclosed is an apparatus for monitoring failure positions on fibers in a WDM-PON system and a WDM-PON system having the apparatus.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: September 8, 2015
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Chang-Hee Lee, Je-Hee Park
  • Apparatus for Monitoring Failure Positions in Wavelength Division Multiplexing-Passive Optical Networks and Wavelength Division Multiplexing-Passive Optical Network Systems Having the Apparatus
    Publication number: 20090080880
    Abstract: Disclosed is an apparatus for monitoring failure positions on fibers in a WDM-PON system and a WDM-PON system having the apparatus.
    Type: Application
    Filed: September 6, 2006
    Publication date: March 26, 2009
    Inventors: Chang-Hee Lee, Je-Hee Park