Patents by Inventor Cheol Kang

Cheol Kang 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: 12189367
    Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: January 7, 2025
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Yun Ho Choi, Hyung Min Park, Joo Won Park, Yeon Ho Kim, Won Hee Jo, Tae Hwan Kang, Beom Cheol Cho
  • Publication number: 20250007449
    Abstract: A solar power generator for forming a uniform focal region is proposed. The proposed relates to a solar power generator for forming a uniform focal region and, more particularly, to a solar power generator for forming a uniform focal region and, the solar power generator being capable of forming the uniform focal region in a specific area with an infinite number of focuses by reflected sunlight, controlling the focal region by adjusting an angle and width according to position changes of the focal region due to optical path distortion, and controlling generated power according to purpose of use.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 2, 2025
    Inventors: Yong Jea JU, Hyun Il CHO, Byeong Do KANG, Min Cheol PARK, Chung Hee LEE, Raju TIMALSINA, Jin A CHOE
  • Patent number: 12185613
    Abstract: A display device includes a display panel including a light-emitting device to emit light; and an input sensor disposed on the display panel. The input sensor includes a first insulating layer disposed on the display panel; a first conductive layer disposed on the first insulating layer; a second insulating layer covering the first conductive layer; and a second conductive layer disposed on the second insulating layer. At least one of the first and second insulating layers includes a plurality of diffraction patterns arranged to diffract at least a portion of the light provided from the display panel.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: December 31, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chung Sock Choi, Sunmi Kang, Cheol Jang, Sunyoung Jung, Hyunho Kim, Sanghwan Cho
  • Patent number: 12179137
    Abstract: The tube-shaped pleated filter member may comprise: a filter body having a tube shape such that a filter medium is pleated and is wound; and a support unit. The filter body may comprise outer pleated portions corresponding to the outside of the tube shape, and inner pleated portions corresponding to the inside of the tube shape. An inner virtual line connecting corners of the inner pleated portions may have the shape in which a unit wave shape recessed in the outward direction is repeated. Assuming, that the thickness at a part having the maximum distance between the inner virtual line and the outer virtual line is a first thickness (T1), the first thickness (T1) may have a range defined by [equation 1] with regard to the diameter (D) of the outer virtual line. D/15?T1?D/6.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 31, 2024
    Assignee: COWAY CO., LTD.
    Inventors: Hyun-Jun Yun, Byong-Hyoek Lee, Jong-Cheol Kim, Jin-Min Kim, Sang-Hyeon Kang
  • Patent number: 12176306
    Abstract: An apparatus and method for generating an electrical circuit of semiconductor channel resistor including a first passive element part including a resistor and a capacitor connected in parallel between a first port and a second port, and an ohmic resistor connected in series to the resistor and the capacitor which are connected in parallel are provided. The apparatus includes a substrate selection part configured to receive a selected substrate item; a resistor selection part configured to receive a selected resistor item; a capacitor selection part configured to receive a selected capacitor item; and a circuit generating part configured to generate an electrical circuit from the selected substrate item, the selected resistor item, and the selected capacitor item.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: December 24, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Heung Lee, Soo Cheol Kang, Seong Il Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Jong Won Lim, Sung Jae Chang, Hyun Wook Jung
  • Publication number: 20240408002
    Abstract: The present invention relates to a cosmetic composition for reducing wrinkles, improving moisturization, and improving skin barriers, the cosmetic composition comprising, as active ingredients, exosomes derived from Beluga caviar which are the eggs of the beluga sturgeon. The Beluga caviar exosomes provided by the present invention have excellent MMP-1 mRNA expression-inhibiting activity, COL1AL mRNA expression-increasing activity, FBN1 mRNA expression-increasing activity, HAS3 mRNA expression-increasing activity, and INV mRNA expression-increasing activity, and thus can be utilized as a cosmetic composition for reducing wrinkles, improving moisturization, and improving skin barriers.
    Type: Application
    Filed: November 1, 2022
    Publication date: December 12, 2024
    Inventors: Hee Cheol KANG, Ji Yiung KIM, Hye Sung JANG, Yeo Cho YOON, Beom Hee AHN, Jin Woo MIN, Sang Hun HAN, Je Hee HAN, Youn Hwa NHO, Seo Yeon KYUNG, Seok Kyun YUN, Seung Hyun KANG, Myeong Sam PARK
  • Patent number: 12166101
    Abstract: A method of manufacturing a high-electron-mobility transistor device is provided. The method includes sequentially forming a transition layer and a semiconductor layer on a substrate, etching a portion of a surface of the semiconductor layer to form a barrier layer region having a certain depth and forming a barrier layer in the barrier layer region, forming a source electrode and a drain electrode on a 2-dimensional electron gas (2-DEG) layer upward exposed at a surface of the semiconductor layer, in defining the 2-DEG layer formed along an interface between the semiconductor layer and the barrier layer, forming a passivation layer on the semiconductor layer, the barrier layer, the source electrode, and the drain electrode and etching a portion of the passivation layer to upward expose the source electrode, the drain electrode, and the barrier layer, and forming a gate electrode on the upward exposed barrier layer.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: December 10, 2024
    Assignee: ELECTRONICS AND TELECOMMINICATIONS RESEARCH INSTITUTE
    Inventors: Soo Cheol Kang, Hyun Wook Jung, Seong IL Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Il Gyu Choi
  • Publication number: 20240386635
    Abstract: Disclosed is an operating method of an electronic device which includes a processor and supports manufacture of a semiconductor device. The operating method includes receiving, at the processor, a layout image for the manufacture of the semiconductor device and a captured image generated by capturing the semiconductor device actually manufactured, aligning, at the processor, the layout image and the captured image based on a result of emphasizing edges and corners of the layout image and the captured image, and performing, at the processor, learning based on the aligned layout image and the aligned captured image such that a first modified layout image is generated from the layout image, and the semiconductor device is manufactured based on a second modified layout image generated from the layout image.
    Type: Application
    Filed: December 4, 2023
    Publication date: November 21, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Chul YEO, Yongjin CHUN, Min-Cheol KANG, Jaewon YANG
  • Patent number: 12147132
    Abstract: A display device includes a substrate, a first data fan-out line disposed on the substrate, a first data line disposed on the first data fan-out line and comprising a repair area overlapping the first data fan-out line, a color filter disposed on the first data line and overlapping the repair area, and a connection electrode disposed in the repair area and being in direct contact with the first data fan-out line and the first data line.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Cheol Kang, Soo San Mun, Yong Seok Lee
  • Patent number: 12138709
    Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: November 12, 2024
    Assignee: POSCO CO., LTD
    Inventors: Seong-Cheol Hong, Ki-Young Min, Se-Min Park, Dong-Geun Kim, Chang-Ho Kim, Jung-Moon Kang, Oho-Cheal Kwon
  • Publication number: 20240368724
    Abstract: The present invention relates to a zinc plated steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefore. A zinc plated steel sheet according to one aspect of the present invention comprises a base steel sheet and a zinc-based plating layer formed on the surface of the base steel sheet, wherein the GDOES profile of oxygen, which is measured in the depth direction from the surface of the base steel sheet, has a form in which a local minimum point and a local maximum point alternately appear in the depth direction from the surface, and the difference (a local maximum value?a local minimum value) between the oxygen concentration (a local minimum value) at the local minimum point and the oxygen concentration (a local maximum value) at the local maximum point can be 0.1 wt % or more.
    Type: Application
    Filed: July 15, 2024
    Publication date: November 7, 2024
    Applicant: POSCO CO., LTD
    Inventors: Ki-Cheol Kang, Sang-Ho Uhm, Chung-Hwan Lee
  • Publication number: 20240367569
    Abstract: A seatback restraint device for a vehicle allows a seatback to be freely restrained by and released from a striker by rotation and a scissoring operation of first and second latches. The first latch and the second latch are connected to be rotated and operated in a scissoring motion about a main hinge, one side of the first latch and one side of the second latch are connected to each other by a first elastic body, and other sides of the first and second latches are connected to each other by an operating cable, so that the striker inserted into first and second latch recesses is restrained by the scissoring operation of the first and second latches due to elastic force of the first elastic body, and restraint of the striker is released through mutual operation of the first latch or the second latch by pulling the operating cable.
    Type: Application
    Filed: March 28, 2024
    Publication date: November 7, 2024
    Inventors: Seung Chan Choe, Hong Sik Chang, Hyun Ko, Jung Sang You, Hyo Cheol Kang, Yeong Hoon Seo, Yun Ho Shin, Jae Won Sim
  • Patent number: 12132070
    Abstract: A display device includes conductive layers on a substrate, a via layer on the conductive layers, a first electrode and a second electrode extending in one direction on the via layer and spaced from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer, each of the light emitting elements having one end on the first electrode and an other end on the second electrode, and a first connection electrode and a second connection electrode on the first insulating layer, the first connection electrode overlapping the first electrode, and the second connection electrode overlapping the second electrode, wherein the first connection electrode and the second connection electrode are in contact with the conductive layers through contact portions.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: October 29, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Taek Kim, Ki Nyeng Kang, Jun Ho Bae, Jong Hwan Cha, Min Cheol Chae, Su Min Choi
  • Patent number: 12133009
    Abstract: An image sensor includes a photoelectric converter configured to convert received light into charges in response to the received light and provide the charges to a first node, a transfer transistor configured to provide a voltage of the first node to a floating diffusion node, a reset transistor configured to reset a voltage of the floating diffusion node to a driving voltage based on a reset signal, a source follower transistor configured to provide a unit pixel output based on the voltage of the floating diffusion node, a select transistor connected to the source follower transistor and gated with a selection signal to output the unit pixel output to the outside, and a ferroelectric capacitor connected to the floating diffusion node, wherein the ferroelectric capacitor is configured to adjust a conversion gain of the floating diffusion node based on a conversion gain mode of the ferroelectric capacitor, the conversion gain mode being a first conversion gain mode, a second conversion gain mode, or a third co
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Soon Kang, Hyun Cheol Kim, Woo Bin Song, Kyung Hwan Lee
  • Patent number: 12132814
    Abstract: Interface devices and systems that include interface devices are disclosed. In some implementations, a device includes a transceiver configured to transmit and receive data, a lane margining controller in communication with the transceiver and configured to control the transceiver to transmit, through a margin command, to an external device, a request for requesting a state of an elastic buffer of the external device, and control the transceiver to receive the state of the elastic buffer of from the external device, and a port setting controller adjust a clock frequency range of a spread spectrum clocking scheme based on the state of the elastic buffer.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: October 29, 2024
    Assignee: SK HYNIX INC.
    Inventors: Yong Tae Jeon, Dae Sik Park, Jae Young Jang, Byung Cheol Kang, Seung Duk Cho
  • Publication number: 20240352925
    Abstract: An air compressor for a vehicle includes a chamber portion including an inlet and an outlet mounted thereto, and configured to receive air introduced thereinto through the inlet, a joint, mounted inside the chamber portion, connected to a driving motor, and including eccentric circular portions eccentrically coupled to a center shaft in directions providing equal forces to the center shaft, respectively, and piston portions, coupled to the eccentric circular portions, respectively, inserted into a first cylinder and a second cylinder, respectively, the first cylinder and the second cylinder being disposed to face each other inside the chamber portion, and configured to selectively compress air introduced into the cylinders while reciprocating by a discharge process and an intake process performed by rotation of the joint and to discharge the compressed air through the outlet.
    Type: Application
    Filed: October 26, 2023
    Publication date: October 24, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundam Industrial Co., Ltd.
    Inventors: Seong Cheol CHO, Yoon Geun Cho, Sung Won Lee, Je Yeon Kim, Yong Taek Hwang, Hyun Jin Kang, II Kyu Choi
  • Publication number: 20240344164
    Abstract: The present disclosure relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and electrical resistance spot weldability, and a method for manufacturing the same. A galvanized steel sheet according to an aspect of the present disclosure is a galvanized steel sheet including a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a ratio (a/b) of a hardness of a surface layer portion (a) to a hardness of an internal portion (b) of the base steel sheet may be less than 0.95.
    Type: Application
    Filed: April 25, 2024
    Publication date: October 17, 2024
    Applicant: POSCO CO., LTD
    Inventors: Ki-Cheol Kang, Chung-Hwan Lee, Yong-Joo Kim, Kang-Min Lee, Kyoo-Young Lee
  • Publication number: 20240341299
    Abstract: The present invention relates to a preservation solution composition for the preservation of an isolated cell, tissue, or organ, comprising isolated mitochondria; and a method for preserving an isolated cell, tissue, or organ by using the same. The preservation solution composition according to the present invention has excellent long-term preservability while maintaining the activity of isolated cell, tissue, or organ. Therefore, the present invention may be effectively used in the transplantation medicine field for ultimately improving transplant success rates and in the regenerative medicine field and the like.
    Type: Application
    Filed: July 22, 2022
    Publication date: October 17, 2024
    Inventors: Young-Cheol KANG, Kyuboem HAN, Chun-Hyung KIM, Hong Kyu LEE, Soomin KIM, Hendra TANOTO, Yin Hua ZHANG, Zhi Jun LIN, Hui Xing CUI
  • Patent number: 12118708
    Abstract: Disclosed is a wafer defect inference system, which includes a test equipment that receives a first image obtained by imaging circuit patterns formed on a semiconductor wafer by using a scanning electron microscope and a second image obtained by imaging a layout image of a mask for implementing the circuit pattern on the semiconductor wafer and combines the first image and the second image to generate a combination image, and at least one computing device that is capable of communicating with the test equipment and infers a defect associated with the circuit pattern formed on the semiconductor wafer. The computing device receives the combination image, performs machine learning for inferring the defect based on the combination image, and generates an output image including information about the defect based on the machine learning.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: October 15, 2024
    Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Min-Cheol Kang, Do-Nyun Kim, Jaehoon Kim, Woojoo Sim
  • Patent number: 12116645
    Abstract: A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below. 0.1?[GSL]/[USL]?0.5??[Equation 1] In Equation 1, [GSL] represents the length (mm) of the gradient section and [USL] represents the length (mm) of the uniform section.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: October 15, 2024
    Assignee: POSCO CO., LTD
    Inventors: Se-Min Park, Seong-Cheol Hong, Hyun-Chul Park, Jung-Moon Kang, Chang-Ho Kim, Won-Gul Lee, Ki-Young Min