Patents by Inventor Keun Choi

Keun Choi 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).

  • Publication number: 20240162293
    Abstract: A semiconductor device includes an active pattern on a substrate, a pair of source/drain patterns on the active pattern, a channel pattern between the pair of source/drain patterns, the channel pattern including semiconductor patterns stacked to be spaced apart from each other, and a gate electrode crossing the channel pattern and extending in a first direction. One of the pair of source/drain patterns includes a first semiconductor layer and a second semiconductor layer thereon. The first semiconductor layer is in contact with a first semiconductor pattern, which is one of the stacked semiconductor patterns. The largest widths of the first semiconductor pattern, the first semiconductor layer, and the second semiconductor layer in the first direction are a first width, a second width, a third width, respectively, and the second width is larger than the first width and smaller than the third width.
    Type: Application
    Filed: January 18, 2024
    Publication date: May 16, 2024
    Inventors: Jinbum Kim, DAHYE KIM, SEOKHOON KIM, JAEMUN KIM, Ilgyou Shin, Haejun YU, KYUNGIN CHOI, KIHYUN HWANG, SANGMOON LEE, SEUNG HUN LEE, KEUN HWI CHO
  • Publication number: 20240160839
    Abstract: A language correction system, a method therefor, and a language correction model learning method of the system are disclosed. The system comprises a correction model learning unit and a language correction unit. The correction model learning unit performs machine learning on a plurality of data sets consisting of ungrammatical sentence data and error-free grammatical sentence data respectively corresponding to the ungrammatical sentence data, so as to generate a correction mode for detecting grammatical sentence data corresponding to ungrammatical sentence data to be corrected. The language correction unit generates, for a sentence to be corrected, a corresponding corrected sentence by using the correction model generated by the correction model learning unit, and displays and outputs the corrected parts together with the generated corrected sentence.
    Type: Application
    Filed: January 19, 2024
    Publication date: May 16, 2024
    Applicant: LLSOLLU CO., LTD.
    Inventors: Jong Keun CHOI, Sumi LEE, Dongpil KIM
  • Publication number: 20240163580
    Abstract: An image sensor and an operating method thereof are provided. The image sensor comprises a voltage generator configured to receive a reference voltage and generate an operating voltage, an analog-to-digital converter (ADC) circuit configured to receive the operating voltage and output a digital code based on the operating voltage, and processing circuitry configured to receive the digital code, and calculate a settling time at which the operating voltage was stabilized based on the digital code and a desired settling threshold voltage value.
    Type: Application
    Filed: May 23, 2023
    Publication date: May 16, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Jae Han, Jae Jung Park, Bo Keun Lim, Gye Hun Choi
  • Publication number: 20240162572
    Abstract: A battery pack includes a plurality of battery cells; a housing accommodating the plurality of battery cells; a plurality of bus bars electrically connecting the plurality of battery cells; and a first welding portion for coupling a first electrode terminal provided in each of the plurality of battery cells to the bus bar and a second welding portion for coupling a second electrode terminal provided in each of the plurality of battery cells to the bus bar. At least one of the first welding portion and the second welding portion includes a region in which a laser welding line formed on the bus bar proceeds in a direction opposite to an extension direction of the welding portion.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: In-Hyuk JUNG, Jin-Oh YANG, Kwang-Keun OH, Hae-Won CHOI
  • Patent number: 11970493
    Abstract: The present disclosure provides autotaxin (ATX) inhibitor compounds and compositions including said compounds. The present disclosure also provides methods of using said compounds and compositions for inhibiting ATX. Also provided are methods of preparing said compounds and compositions, and synthetic precursors of said compounds.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 30, 2024
    Assignee: ILDONG PHARMACEUTICAL CO., LTD.
    Inventors: Sung-Ku Choi, Yoon-Suk Lee, Sung-Wook Kwon, Kyung-Sun Kim, Jeong-Geun Kim, Jeong-Ah Kim, An-Na Moon, Sun-Young Park, Jun-Su Ban, Dong-Keun Song, Kyu-Sic Jang, Ju-Young Jung, Soo-Jin Lee
  • Publication number: 20240125848
    Abstract: A leakage current detection circuit includes: a mirror circuit configured to copy a leakage current flowing through a node and generate a copy current in a copy node; an oscillation circuit including a charge storage unit, the oscillation circuit being connected to the copy node, charged with the copy current, and configured to generate an oscillation signal by charging and discharging the charge storage unit; and a calculation circuit configured to calculate an amount of the leakage current based on the oscillation signal.
    Type: Application
    Filed: March 1, 2023
    Publication date: April 18, 2024
    Applicant: SK hynix Inc.
    Inventors: Jong Seok JUNG, Chan Keun KWON, Kyeong Hwan PARK, Young Kwan LEE, Suk Hwan CHOI
  • Patent number: 11958210
    Abstract: Disclosed are wood preforming devices for manufacturing a crash pad for a vehicle including a real wood sheet. A wood preforming device for manufacturing a crash pad for a vehicle includes a real wood sheet includes a lower press mold comprising a debossed portion provided on a portion on which a product is formed, and a support portion configured to support an upper press mold, in response to the lower press mold and the upper press mold pressing each other, the support portion having a protrusion for fixing a real wood sheet, the upper press mold having an embossed portion corresponding to the debossed portion of the lower press mold, and a movable core provided on the debossed portion of the lower press mold and being configured to guide the real wood sheet by moving upward from the debossed portion, in response to the upper press mold moving downward.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: April 16, 2024
    Assignees: Hyundai Mobis Co., Ltd., Intops Co., Ltd., Seoyon Autovision Co., Ltd.
    Inventors: Ik Keun Choi, Min Kyeong Lee, Hyun Ho Lee, Ji Seung Hong, Jong Jin Lee
  • Patent number: 11959886
    Abstract: The present invention relates to a scanner having a flexible probe which is an apparatus capable of being utilized for an inspection on a weld zone of a general ferrite material and a stainless material and allowing an inspection to be performed on a fitting weld zone where it is difficult for a general phased array ultrasonic testing (PAUT) probe to approach.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 16, 2024
    Assignees: Foundation for Research and Business, Seoul National University of Science and Technology, Korea Inspection Eng.Co., Ltd
    Inventors: Ik Keun Park, Yu Min Choi, Seong Jin Lim, In Gon Jung, Hye Jin Park
  • Patent number: 11945744
    Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: April 2, 2024
    Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
  • Publication number: 20240105099
    Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 28, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Da Sol WON, Kwang Myung KANG, Yong Min KIM, Dong Keun SONG, Jung Min CHOI, Seon Ho HONG
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Publication number: 20240067668
    Abstract: The present invention relates to a heteroaryl derivative compound and a use thereof. Since the heteroaryl derivative of the present invention exhibits excellent inhibitory activity against EGFR, the heteroaryl derivative can be usefully used as a therapeutic agent for EGFR-associated diseases.
    Type: Application
    Filed: December 29, 2021
    Publication date: February 29, 2024
    Inventors: Yi Kyung Ko, Ah Reum Han, Jin Hee Park, Yeong Deok Lee, Hye Rim Im, Kyun Eun Kim, Dong Keun Hwang, Su Been Nam, Myung Hoe Heo, Se Rin Cho, Eun Hwa Ko, Sung Hwan Kim, Hwan Geun Choi
  • Patent number: 11912674
    Abstract: The present invention provides methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, or organ fibrosis, which comprises administering to a subject a therapeutically effective amount of a pharmaceutical composition comprising an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: February 27, 2024
    Assignee: IL DONG PHARMACEUTICAL CO., LTD.
    Inventors: Jae-Hoon Kang, Hong-Sub Lee, Yoon-Suk Lee, Jin-Ah Jeong, Sung-Wook Kwon, Jeong-Guen Kim, Kyung-Sun Kim, Dong-Keun Song, Sun-Young Park, Kyeo-Jin Kim, Ji-Hye Choi, Hey-Min Hwang
  • Publication number: 20240058428
    Abstract: The present invention relates to: an M3 mutant peptide; a composition for alleviating, inhibiting, preventing or treating myopathy, obesity or diabetes, comprising same as an active ingredient; a method for alleviating, inhibiting, preventing or treating myopathy, obesity or diabetes by using the M3 mutant peptide; and uses of the M3 mutant peptide for alleviating, inhibiting, preventing or treating myopathy, obesity or diabetes.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 22, 2024
    Inventors: Bong Keun CHOI, Sung Kwon LEE, Sang Hyup LEE
  • Patent number: 11873029
    Abstract: The present invention relates to a vehicle cockpit module assembly in which a center speaker is seated, and the vehicle cockpit module assembly includes a cowl crossbar assembly fixed to a side portion and a dash panel in a vehicle body, a duct connecting part integrally coupled to the cowl crossbar assembly, an air conditioning module coupled to the duct connecting part to supply external air to the duct connecting part, a defrost duct coupled to an upper portion of the duct connecting part, and a connection duct having a center duct coupled to a front surface of the duct connecting part and a side duct coupled to each of both side portions of the duct connecting part.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 16, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Ik Keun Choi, Jae Seob Choi
  • Publication number: 20230415656
    Abstract: A vehicle storage device includes a rail part, disposed on a floor panel in a passenger seat space, configured to extend into the passenger seat space; a first storage part, comprising a lower housing coupled to the rail part and a storage box, wherein the lower housing is configured to move on the floor panel along the rail part in a first direction, the lower housing comprising an opening opened toward a driver seat, and the storage box is configured to be withdrawn toward the driver seat or received in the lower housing by passing through the opening; and a second storage part comprising an upper housing detachably coupled on the lower housing.
    Type: Application
    Filed: September 21, 2022
    Publication date: December 28, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Ik Keun CHOI, Da Som PARK, Kwan Woo LEE
  • Publication number: 20230363232
    Abstract: A color conversion panel includes a substrate including a display area including a color conversion layer, a first pixel area, a second pixel area, and a non-pixel area, and a plurality of color filter layers on the substrate. The color filter layers include a first color filter layer in the first pixel area and defining in the non-pixel area, a first alignment pattern, and a first opening spaced from the first alignment pattern, the first pixel area and the second pixel area, and a second color filter layer in the second pixel area, covering the first alignment pattern of the first color filter layer and defining in the non-pixel area a second alignment pattern which overlaps the first opening of the first color filter layer and exposes a portion of the first color filter layer at the first opening, to outside the second color filter layer.
    Type: Application
    Filed: February 9, 2023
    Publication date: November 9, 2023
    Inventors: SEUNGHUI SEO, TAE WOO LIM, MOON-KEUN CHOI, WAL JUN KIM, HYUNBAE PARK, Hyelynn Song
  • Patent number: 11787157
    Abstract: Provided is a high heat radiation thin film. The high heat radiation thin film may comprise a metal substrate, and a carbon layer which is disposed on the metal substrate and is thicker than 2.5 nm and thinner than 10 nm.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: October 17, 2023
    Assignee: SOLUETA
    Inventors: Eui Hong Min, Sang Ho Cho, Buck Keun Choi
  • Patent number: 11766978
    Abstract: The present disclosure relates to a crash pad device for a vehicle with a real wood sheet, the crash pad device including a real wood sheet comprising a real wood design portion having a real wood pattern processed thereon, and an edge portion formed at an edge of the design portion, and a lighting portion disposed at a lower side of the real wood sheet and being configured to emit light to an outside through the real wood pattern.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: September 26, 2023
    Assignee: HYUNDAI MOBIS Co., Ltd.
    Inventor: Ik Keun Choi
  • Patent number: 11759490
    Abstract: A method for production of red ginseng hydrolysis concentrate according to an embodiment of the present disclosure includes carrying out an enzyme reaction of red ginseng concentrate by adding an enzyme solution followed by addition of alcohol to prepare a mixture solution of red ginseng and alcohol, and centrifuging the prepared mixture solution of red ginseng and alcohol followed by concentration under reduced pressure of a supernatant separated by the centrifuge, and a red ginseng hydrolysis concentrate produced by the aforementioned process.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: September 19, 2023
    Assignee: DAEDONG KOREA GINSENG CO., LTD
    Inventors: Sung-Keun Choi, Chang-Soon Lee, Sung Soo Jang, Byeong-Seon Jeon, Kun Hee Lee, Hye Jeong Jeon, Da Young Kim, Hye Won Kim, Han-Min Kim, Byoung Man Kong