Patents by Inventor Do Kim

Do 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).

  • METHOD FOR MANUFACTURING FUEL CELL SEPARATOR HAVING MINIMIZED SURFACE DEFECT VIA SURFACE POLISHING USING HIGH-PRESSURE INJECTION
    Publication number: 20230141750
    Abstract: Disclosed is a method for manufacturing a fuel cell separator having minimized surface defect via surface polishing using high-pressure injection, in which surface polishing is performed using a high-pressure injection scheme in which polishing-fluid is injected at high-pressure through a polishing-fluid injection nozzle before performing vision inspection, thereby minimizing the surface defect of the fuel cell separator.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 11, 2023
    Inventors: Yoo Taek JEON, Byung Hak JHUNG, Won Do KIM, Heon HEO, Jae Yeol LEE
  • SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODE AND SECONDARY BATTERY ELECTRODE USING SAME
    Publication number: 20230139306
    Abstract: The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using the same. The slurry composition includes dispersants of specific components, a carbon-based conductive material, and an organic solvent. The slurry composition has an advantage in that the stability of the carbon-based conductive material is excellent. In addition, due to the presence of a polar functional group in the dispersant, the surface treatment effect for the carbon-based conductive material is excellent, and thus the dispersibility of the carbon-based conductive material is remarkably improved.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Inventors: Seong Do KIM, Dong Ho KIM, Tae Yoon KIM, Hwi Chan YANG, Joo Chul LEE
  • SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODE AND SECONDARY BATTERY ELECTRODE USING SAME
    Publication number: 20230137520
    Abstract: The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using same. The slurry composition includes a conductive material including a linear carbon material and a point-type carbon material, a dispersant, and an organic solvent. By adjusting the average size and content of the conductive material in the slurry such that two peaks within a specific range appear in a particle size analysis, the solubility and dispersibility of the carbon-based conductive material are improved, and thus the electrical properties of the electrode are remarkably improved.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Inventors: Seong Do KIM, Dong Ho KIM, Tae Yoon KIM, Hwi Chan YANG, Joo Chul LEE, Hyung Woo LIM
  • METHOD OF DIAGNOSING ABNORMALITY OF SENSORLESS CONTROL OF MOTOR FOR AIR COMPRESSOR
    Publication number: 20230131865
    Abstract: Proposed is a method of diagnosing abnormality of sensorless control of a motor for an air compressor, the method including estimating a speed of a motor in real time when a motor starts determining whether or not a preset condition for activating a function of diagnosing abnormality of sensorless control is satisfied, from a slope of the estimated speed of the motor performing control for decreasing an amount of electric current to be applied to the motor, in a case where the preset condition is satisfied computing an amount of decrease in the slope of the estimated speed of the motor while the amount of the electric current is decreased; and determining whether or not the sensorless control fails, by comparing the amount of the decrease in the slope of the speed of the motor with a preset value for confirming diagnosis of the abnormality of the sensorless control.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 27, 2023
    Inventors: Min Su Kang, Joo Yeon Kim, Sung Do Kim, Chang Seok You
  • NEGATIVE ELECTRODE FOR SECONDARY BATTERY WITH IMPROVED RATE PROPERTY AND SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20230125607
    Abstract: A negative electrode includes a negative electrode current collector and a negative electrode mixture layer provided on at least one surface of the negative electrode current collector. The negative electrode mixture layer includes a negative electrode active material, a binder, and an additive containing a conductive polymer and a template compound. The conductive polymer included in the negative electrode may lower resistance of the electrode by providing an electron movement path for the negative electrode active material and the conductive material of the negative electrode. Stable electrical conductivity may be maintained while significantly reducing the content of conductive materials such as carbon black and carbon nanotubes, thereby improving lifespan characteristics of the secondary battery.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 27, 2023
    Inventors: Sung Do KIM, Kwang Ho JEONG
  • Vehicle front structure
    Patent number: 11634182
    Abstract: A vehicle front structure includes: a pair of front side members disposed on the front of the vehicle; a pair of damper housings connected to the pair of front side members, respectively; and a connection member connecting the pair of front side members and the pair of damper housings.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: April 25, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Yun A Cho, Il Do Kim
  • Motor driving control method and system
    Patent number: 11623528
    Abstract: A motor driving control method for controlling a motor speed so that a speed measured value of a motor follows a speed command value is provided. The method includes driving the motor by repeating an on section where a torque is generated in the motor and an off section where a torque is not generated in the motor at a regular period, based on the speed command value, wherein the driving includes applying a phase voltage to only one of multiple phases of the motor in the on section by a pulse width modulation scheme.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: April 11, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Su Kang, Chang Seok You, Sung Do Kim, Dong Hun Lee
  • IMAGE SIGNAL PROCESSOR, IMAGE SENSING DEVICE, IMAGE SENSING METHOD AND ELECTRONIC DEVICE
    Publication number: 20230108491
    Abstract: An image signal processor includes a statistic data generating unit for receiving an image signal from an external device, an image processing unit for receiving the image signal, and a direct memory access (DMA) module connected to the statistic data generating unit and the image processing unit. The statistic data generating unit performs first image pre-processing on the image signal and generates first statistic data based on the image signal subjected to the first image pre-processing. The DMA module stores the first statistic data therein and provides the stored first statistic data to the image processing unit. The image processing unit performs second image pre-processing on the image signal and performs image processing on the image signal based on the first statistic data.
    Type: Application
    Filed: March 7, 2022
    Publication date: April 6, 2023
    Inventors: DONG-BUM CHOI, IL DO KIM, DONG WOO LEE, NA-RI IM, KYU YUL CHOI, JONG SEONG CHOI, SUK HWAN LIM
  • DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20230096530
    Abstract: A display device includes a display panel including a light emitting region and a peripheral region adjacent to the light emitting region; an organic layer disposed on the display panel and having an opening that overlaps the light emitting region; and an adhesive layer disposed on the organic layer. The adhesive layer includes a first adhesive layer including a first base resin and having a first refractive index; and a second adhesive layer disposed on the first adhesive layer and having a second refractive index less than the first refractive index.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 30, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: YOUNG DO KIM, MUHYUN KIM, HANSUN RYOU, Doyoung JUNG, SEOHYEON CHOI
  • IMAGE SENSING DEVICE
    Publication number: 20230094071
    Abstract: An image sensing device includes a unit pixel configured to have a shape with first, second, third and fourth vertices where the second vertex and the third vertex are positioned in a diagonal direction of the unit pixel, a floating diffusion region disposed adjacent to the first vertex of the unit pixel, a transfer gate abutting on the floating diffusion region, a source region disposed adjacent to the second vertex of the unit pixel, a drain region disposed adjacent to the third vertex of the unit pixel, and a pixel transistor gate positioned between the source region and the drain region.
    Type: Application
    Filed: July 21, 2022
    Publication date: March 30, 2023
    Inventors: Soon Yeol PARK, Hye Won MUN, Kyung Do KIM, Young Hwan PARK, Hyuk AN
  • ELECTRONIC DEVICE COMPRISING FLEXIBLE DISPLAY
    Publication number: 20230102896
    Abstract: The present disclosure provides an electronic device, including a flexible display, a frame part configured to support the flexible display and comprise a first frame and a second frame disposed so as to be slidable with respect to the first frame, a driving part configured to change a shape of the flexible display based on a relative position between the first frame and the second frame, and a controller, wherein the controller performs a designated operation in response to reception of an input signal. Other example embodiments are possible.
    Type: Application
    Filed: January 9, 2020
    Publication date: March 30, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Ah Rah KOH, Hak Ho CHOI, Seong Cheol LEE, Sung Do KIM
  • DISPLAY DEVICE INCLUDING COVER WINDOW
    Publication number: 20230078056
    Abstract: A display device includes: a display panel; and a cover window on the display panel. The display panel and the cover window include a flat area, and a bendable area adjacent to the flat area. The cover window includes: patterns at the bendable area along a first direction; and dummy patterns at the flat area along the first direction, the dummy patterns including a first dummy pattern, and a second dummy pattern adjacent to the first dummy pattern. A length of the first dummy pattern is different from a length of the second dummy pattern.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 16, 2023
    Inventors: Kang-Woo LEE, Yougn Do KIM, Hyun Seok OH
  • VEHICLE BODY STRUCTURE
    Publication number: 20230076155
    Abstract: A vehicle body structure includes: a front pillar; a front side member located in front of the front pillar and extending in a longitudinal direction of the vehicle; a side sill connected to a bottom end of the front pillar; and a rear lower member connecting the front side member, the side sill, and the front pillar, where the rear lower member includes a front connection portion connected to a rear portion of the front side member, and a rear connection portion connected to a lower portion of the front pillar and a front portion of the side sill, and the rear connection portion includes an upper engagement wall joined to the front pillar, and a lower engagement wall joined to the side sill.
    Type: Application
    Filed: May 24, 2022
    Publication date: March 9, 2023
    Inventors: Deok Hwa Hong, Il Do Kim, Byeong Cheon Lee, Kwang Hee An, Ji Woong Park
  • PYRIDO-PYRIMIDIN DERIVATIVES AND PHARMACEUTICAL COMPOSITION, FOR USE IN PREVENTING OR TREATING PI3 KINASE RELATED DISEASES, COMPRISING SAME AS ACTIVE INGREDIENT
    Publication number: 20230072683
    Abstract: The present invention relates to pyrido-pyrimidin derivatives expressed by chemical formula (X), an isomer thereof or pharmaceutically acceptable salts thereof, a solvate or hydrate thereof, a pharmaceutical composition comprising same as an active ingredient, and the use thereof.
    Type: Application
    Filed: May 19, 2020
    Publication date: March 9, 2023
    Inventors: Hak Do KIM, Seong Guk LEE, Hee Jin LEE, Won Ken CHOUNG, Deok Mo YANG, Seong Heon KIM, Suk Ho LEE
  • METHOD OF CONTROLLING START/STOP OF PARALLEL FUEL CELL SYSTEM
    Publication number: 20230071079
    Abstract: Disclosed herein is a method of controlling start/stop of a parallel fuel cell system, which, when controlling stop of a parallel fuel cell system in which two or more fuel cell systems are connected in parallel, considers operating state information of each fuel cell system, such as a current speed value of an air compressor and an opening degree of an air-exhaust-side air pressure valve of a fuel cell stack. Accordingly, the method can calculate a delay time for performing fuel cell system stop control for the two or more fuel cell systems, and sequentially perform the fuel cell system stop control for the two or more fuel cell systems based on the calculated delay time. Therefore, it is possible to minimize output delay of each fuel cell system and to achieve deterioration prevention and efficiency improvement of the fuel cell stack by fuel cell system start/stop control.
    Type: Application
    Filed: May 12, 2022
    Publication date: March 9, 2023
    Inventors: Sung Do Kim, Joo Yeon Kim, Min Su Kang, Chang Seok You
  • DISPLAY DEVICE
    Publication number: 20230076097
    Abstract: A display device includes: a display panel; a window disposed on the display panel; a window protection layer disposed on the window; and a first adhesive layer disposed between the window and the window protection layer; wherein the first adhesive layer has a storage modulus of about 0.0317 MPa to about 0.0348 MPa, a loss modulus of about 0.0108 MPa to about 0.0120 MPa, and a tan delta value of about 0.3354 to about 0.3480 at the temperature of about 25° C. when a frequency of about 1 Hz and an axial force of about 1.0 N are applied and the first adhesive layer maintains a strain of about 1%, and the tan delta value is defined by dividing the loss modulus by the storage modulus.
    Type: Application
    Filed: November 4, 2022
    Publication date: March 9, 2023
    Inventors: KICHEOL SONG, Young Do Kim, Youngmoon Kim, Nari Ahn
  • System for Socialized Content Sharing
    Publication number: 20230058862
    Abstract: A system for socialized multimedia content sharing having a sending device used by a user. One or more than one link to multimedia content stored in a storage operably. Instructions operable on the sending device for: displaying a list of the one or more than one link stored in the storage; selecting one or more than one link from the displayed list; displaying a list of the one or more than one recipients; selecting one or more recipient to transmit the one or more than one link; transmitting the one or more than one link to the one or more than one selected recipient; and displaying one or more than one linked multimedia content from the storage to the recipient.
    Type: Application
    Filed: October 24, 2022
    Publication date: February 23, 2023
    Inventor: Boon Do Kim-Morgan
  • METHOD AND APPARATUS FOR PARSING LOG DATA
    Publication number: 20230040539
    Abstract: A method for parsing log data according to an embodiment of the present disclosure includes loading a plurality of unit logs identified by first parsing log data into a memory in a two-dimensional matrix, wherein the unit log includes a plurality of items and constitutes one row, determining a target item to be second parsed among the items loaded into the memory, dividing data of the target item into a plurality of sub-items by second parsing the data of the target item, among the items loaded into the memory in the two-dimensional matrix and storing a second parsing result including the plurality of sub-items.
    Type: Application
    Filed: June 9, 2022
    Publication date: February 9, 2023
    Inventors: Hee Suk LEE, Kyong Hyon PARK, Young Do KIM
  • White light source and illumination apparatus for lighting in lithography process
    Patent number: 11569420
    Abstract: The present invention relates to a white light source and illumination apparatus for limiting wavelength of 450 nm or less and, more particularly, to a white light source and illumination apparatus for lighting in a lithography or other process, capable of realizing white light even with the limited wavelength of 450 nm or less light.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: January 31, 2023
    Assignee: GLBTECH CO., LTD.
    Inventors: Han Do Kim, Byung Soon Kim, Young Sik Choi, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
  • System and method of controlling air compressor motor for fuel cell vehicle and system and method of controlling operation of fuel cell vehicle using same
    Patent number: 11563225
    Abstract: A method of controlling an air compressor motor for a fuel cell vehicle is provide. The method includes calculating a counter electromotive force constant of the air compressor motor based on a voltage and a current of the air compressor motor for the fuel cell vehicle supplying air to a fuel cell stack and a rotation speed of the air compressor motor. The method additionally includes determining whether a permanent magnet of the air compressor motor is demagnetized based on a result of comparison between the calculated counter electromotive force constant value and a pre-set counter electromotive force constant design value.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: January 24, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung Do Kim, Min Su Kang, Chang Seok You, Dong Hun Lee