Patents by Inventor Whan Kim

Whan Kim 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: 11532799
    Abstract: The present disclosure relates to a neuron behavior-imitating electronic synapse device and a method of fabricating the same. According to one embodiment, the neuron behavior-imitating synapse device includes a first electrode having a lithium-doped surface, an active layer formed on the first electrode and including a polyelectrolyte and one or more metal nanoparticles, and a second electrode formed on the active layer.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: December 20, 2022
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Tae Whan Kim, Young Pyo Jeon, Jeong Heon Lee
  • Patent number: 11524564
    Abstract: A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: December 13, 2022
    Assignees: Hyunda Motor Company, Kia Corporation
    Inventors: Seong Wook Hwang, Tae Whan Kim, Youngbae Ryu, Jong Hyo Park, Hyung-Min Kim, Juhyeon Park, Yongdal Choi, Jaewook Lee, Wonmin Cho
  • Patent number: 11522146
    Abstract: Disclosed are a photodetector using a photoelectric conversion effect wherein current changes according to light; and a method of manufacturing the photodetector. More particularly, a photodetector manufactured using a transition metal dichalcogen compound having high sensitivity to wavelengths of light in the visible light region by forming a sensor layer utilizing a transition metal dichalcogen compound such that the thickness of the sensor layer can be adjusted is provided.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 6, 2022
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Tae Whan Kim, Jeong Heon Lee, Young Pyo Jeon
  • Patent number: 11505038
    Abstract: Disclosed is a heat pump system for a vehicle, providing for selective heat-exchanging heat energy generated from a coolant with a coolant upon condensing and evaporation of the coolant to control an internal temperature of the vehicle using the heat-exchanged coolant of a low temperature or a high temperature. The heat pump system adjusts a temperature of a battery module by using one chiller that performs heat exchange between a refrigerant and a coolant and improves the heating efficiency of the vehicle using a waste heat of an electrical component and a battery module.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 22, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Yeon Kim, Yeonho Kim, Jeawan Kim, Su Whan Kim
  • Publication number: 20220314734
    Abstract: A thermal management system for a vehicle includes a cooling device including a radiator, at least one electrical component, and first and second water pumps that are connected to a coolant line, the cooling device configured to circulate coolant through the coolant line so that the coolant is supplied to the at least one electrical component; and first and second oil coolers connected to cool at least one driving motor and supplied with the coolant from the cooling device, where the second oil cooler is provided on the coolant line, and the first oil cooler is disposed in parallel with the second oil cooler provided on the coolant line through a parallel line provided on the coolant line.
    Type: Application
    Filed: March 8, 2022
    Publication date: October 6, 2022
    Inventors: Jae Yeon Kim, Su Whan Kim, Yeonho Kim, Jaewan Kim, Wan Je Cho, Seong-Bin Jeong
  • Patent number: 11458848
    Abstract: A fuel cell vehicle includes a fuel cell frame including an outer frame and an inner frame disposed inside the outer frame, an upper structure disposed on the fuel cell frame, and a lower structure disposed under the fuel cell frame. The inner frame is formed in the shape of a partition dividing an inner space surrounded by the outer frame into a plurality of hollows.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: October 4, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jung Do Suh, Seung Jun Yeon, Duck Whan Kim
  • Patent number: 11450875
    Abstract: A fuel cell is provided that includes a cell stack having a plurality of unit cells stacked in a first direction. An enclosure is disposed to surround the cell stack and includes an inlet that suctions external air and an outlet that discharges air that has been suctioned through the inlet and has circulated in the space between the cell stack and the enclosure. An insulating member is disposed to extend in the first direction in the space between an outer surface of the cell stack and an inner surface of the enclosure. The insulating member divides the space into a plurality of spaces and has an aperture formed therein to provide communication between the divided plurality of spaces, and an air intake member configured to suction air discharged from the outlet.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: September 20, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Duck Whan Kim, Gi Young Nam, Suk Min Baeck, Hyun Woong Ko, Ju Han Kim, Seung Jun Yeon, Ki Wook Ohm, Kwi Seong Jeong, Yong Suk Heo
  • Patent number: 11444208
    Abstract: A non-volatile memory device is provided. The non-volatile memory device comprises a semiconductor channel layer, a tunneling layer, a charge trap layer, and a blocking insulating layer arranged in sequence. A plurality of control gate electrodes are disposed on the blocking insulating layer. An inter-cell insulating layer is disposed between the control gate electrodes. A spacer insulating film is disposed between the control gate electrode and the inter-cell insulating layer, and the spacer insulating film has a lower dielectric constant than the inter-cell insulating layer. The charge trap layer extends under the plurality of control gate electrodes and is disposed under the inter-cell insulating layer and the spacer insulating film.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: September 13, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Tae Whan Kim, Jun Gyu Lee, Hyun Soo Jung
  • Patent number: 11444100
    Abstract: A vertical memory device and a method of fabricating the same are proposed. The vertical memory device includes a gate stack structure in which gates and interlayer insulating layers for insulating the gates are alternately laminated on a substrate and multiple memory cell areas and inter-memory cell areas are divided in a first direction perpendicular to the substrate; a channel structure extending in the first direction from the substrate to penetrate the gate stack structure; and charge storage elements disposed between the gate stack structure and the channel structure and sequentially formed to be embedded in the gate stack structure.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: September 13, 2022
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Tae Whan Kim, Jun Gyu Lee, Hyun Soo Jung
  • Patent number: 11437169
    Abstract: The present invention relates to a stacking structure of a superconducting wire. The present invention provides a superconducting wire in which a metal substrate, a buffer layer, a superconducting layer, and a stabilizing layer are stacked, the superconducting wire including: a plurality of wedges which penetrates through the superconducting layer and the buffer layer to connect the stabilizing layer and the metal substrate. According to the present invention, it is possible to provide the superconducting wire of which mechanical strength is improved to have high resistance against to deterioration or delamination. Further, the present invention may provide the superconducting wire which is self-protectable against a quench phenomenon. Further, the present invention may provide the superconducting wire which is suitable for application of a high magnetic field.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: September 6, 2022
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Rock Kil Ko, Dong Woo Ha, Seog Whan Kim, Young Sik Jo
  • Patent number: 11407273
    Abstract: A heat pump system for a vehicle may include a cooling apparatus including a radiator, a first water pump, a first valve, and a reservoir tank which are connected through a coolant line, and configured to circulate a coolant in the coolant line to cool at least one electrical component provided in the coolant line; a battery cooling apparatus configured to include a battery coolant line connected to the reservoir tank through a second valve, and a second water pump and a battery module which are connected through the battery coolant line to circulate the coolant in the battery module; and a heating apparatus including a heating line connected to the coolant line through a third valve to heat a vehicle interior by use of a coolant and a third water pump provided on the heating line, and a heater.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 9, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Yeon Kim, Su Whan Kim, Wan Je Cho
  • Patent number: 11373960
    Abstract: An electronic component module includes: a substrate; an electronic element disposed on a first surface of the substrate; an encapsulant disposed on the first surface of the substrate and configured to seal the electronic element; a first pad disposed on an outermost region of a second surface of the substrate; a second pad disposed inward of the first pad on the second surface of the substrate, and positioned parallel to the first pad; and a shielding layer connected to the first pad, and at least partially surrounding a side surface of the encapsulant and a side surface of the substrate. The first and second pads are electrically connected by a connection pad.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: June 28, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Myung Lim Ryu, Kwang Ju Choi, Da Un Kim, Duck Whan Kim, Dong Hyeon Lee, Kyoung Min Kim, Ik Su Shin
  • Publication number: 20220194204
    Abstract: A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
    Type: Application
    Filed: August 12, 2021
    Publication date: June 23, 2022
    Applicants: Hyunda Motor Company, Kia Corporation
    Inventors: Seong Wook Hwang, Tae Whan Kim, Youngbae Ryu, Jong Hyo Park, Hyung-Min Kim, Juhyeon Park, Yongdal Choi, Jaewook Lee, Wonmin Cho
  • Patent number: 11359855
    Abstract: A refrigerator includes a storage compartment; a first flow path separated from the storage compartment; an evaporator provided on the first flow path to cool air; a compressor configured to discharge a refrigerant to the evaporator; a blower fan configured to discharge air of the first flow path to the storage compartment; a defrost heater provided on the first flow path to heat the evaporator; a second flow path separated from the first flow path; a defrost fan configured to suction air of the first flow path into the second flow path; and a controller configured to alternately perform a cooling operation and a defrosting operation, configured to operate the compressor and the blower fan during the cooling operation, configured to operate the defrost heater and the defrost fan during the defrosting operation, and configured to vary a rotational speed of the defrost fan.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 14, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Yuel Roh, Kook Jeong Seo, In Sub Lee, Dae Whan Kim, Jeong-Min Jeon
  • Publication number: 20220151343
    Abstract: Embodiments of the present invention provide an apparatus for convenient tightening and loosening of strings such as those found in shoelaces of footwear. The apparatus includes a rotating portion within a base portion. A cover portion, when operated in a first position, provides a ratchet movement that allows rotation in a tightening direction while preventing movement in a loosening direction. When the cover is moved to a second position, the ratchet mechanism disengages, and the strings can then be easily loosened.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 19, 2022
    Inventor: Sug Whan Kim
  • Patent number: 11336207
    Abstract: Disclosed is a high-power sliding-mode triboelectric generator including a substrate; a positive electrode formed on the substrate; a positively charged body provided on the positive electrode and formed to be tilted at a predetermined angle from the substrate; a negatively charged body located to be opposite to the positively charged body and formed to be tilted at the same angle as in the positively charged body; a negative electrode provided on the negatively charged body and configured to support the negatively charged body; and at least one spacer formed between the positively charged body and the negatively charged body, is formed of an elastic body, and configured to maintain an interval between the positively charged body and the negatively charged body.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: May 17, 2022
    Assignee: IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Tae Whan Kim, Dong Chul Choo
  • Patent number: 11325445
    Abstract: A vehicle thermal management system includes a cooling apparatus including a radiator, a first water pump, and a valve connected through a coolant line, a battery cooling apparatus including a second water pump and a battery module connected by a battery coolant line; a chiller connected to the battery coolant line and connected to an air conditioner through a refrigerant connection line connected to the battery coolant line and connected to a refrigerant line of the air conditioner through a refrigerant connection line, to adjust a temperature of the coolant by performing heat exchange between a coolant supplied to the battery coolant line and a refrigerant selectively supplied from the air conditioner; and a heating circuit for warming an interior of the vehicle by use of the coolant having a temperature increased while the coolant passes through at least one electrical component.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: May 10, 2022
    Assignees: Hyundai Motor Company, Kia Motors Gorporation
    Inventors: Jae Yeon Kim, Su Whan Kim
  • Patent number: 11322190
    Abstract: Disclosed is a magnetic device including a spin sinker. The magnetic device includes a storage medium, a spin sinker, and a read node. The storage medium receives an in-plane current from outside and generates a self-generated spin current that perpendicularly flows to a charge current, thereby controlling a data structure with the self-generated spin current. The spin sinker receives and attenuates the spin current. The read node measures a magnetoresistance of a data structure through the storage medium. The storage medium is made of a magnetic metal and the spin sinker is made of a magnetic insulating material.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: May 3, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyoung Whan Kim, Dong Soo Han
  • Publication number: 20220093854
    Abstract: Disclosed herein is an electronic synaptic device comprising: a lower electrode; an upper electrode; and an active layer provided between the lower electrode and the upper electrode and including a plurality of conductive nanoparticles, wherein the conductive nanoparticles are dispersed in a matrix forming a continuous phase, and the matrix is composed of a protein. The electronic synaptic device according to the present invention has a low switching operation voltage, is capable of implementing a transition phenomenon from a short term potentiation state to a long term potentiation state even with a relatively low voltage, and has high stability; and, therefore, can be preferably applied as a memristive device for implementing neuromorphic computing.
    Type: Application
    Filed: May 10, 2021
    Publication date: March 24, 2022
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Tae Whan KIM, Jeong Woon Lee, Beom Hui Yoo, Si Hyun Sung
  • Publication number: 20220052390
    Abstract: A thermal management system for a vehicle includes a cooling apparatus for circulating a coolant in a coolant line to cool at least one electrical component provided in the coolant line, a battery cooling apparatus for circulating the coolant to the battery module, a chiller for heat exchanging the coolant with a refrigerant to control a temperature of the coolant, a heater that heats an interior of the vehicle using the coolant, and a branch line. A condenser included in the air conditioner is connected to the coolant line so as to pass the coolant circulating through the cooling apparatus.
    Type: Application
    Filed: February 24, 2021
    Publication date: February 17, 2022
    Inventors: Jae Yeon Kim, Jeawan Kim, Yeonho Kim, Wan Je Cho, Su Whan Kim