Patents by Inventor Dong-Hwan Kim

Dong-Hwan 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: 12365228
    Abstract: An electric vehicle structure includes a drive system, a front lateral member and a rear upper lateral member. The front and rear lateral members are elongated in a lateral direction of a vehicle and spaced apart from each other in a forward-rearward direction of the vehicle with the drive system interposed therebetween. The vehicle structure further includes a rear lower lateral member elongated in the lateral direction of the vehicle and disposed beneath a motor of the drive system.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: July 22, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dae Woo Jung, Jung Taek Lim, Sung Eun Ryu, Byong Cheol Kim, Hyeong Seung Ham, Dong Hwan Kim
  • Patent number: 12354888
    Abstract: An apparatus for removing a bipolar element for a display module includes: a remover that removes the bipolar element; and a solvent storage that supplies solvent to the remover, wherein the remover includes: a partition wall defining a solvent channel which the solvent is injected into and discharged from; and a vibrator disposed inside the solvent channel.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: July 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Yool Kim, Dong Hwan Kim, Seon Beom Ji
  • Publication number: 20250213696
    Abstract: An example provides a biodegradable upconversion nanoparticle with a core-double shell structure including: a core layer; an inorganic host matrix outer shell layer; and a transition layer positioned between the core layer and the outer shell layer and functioning as an energy transfer network, wherein the core layer, the outer shell layer, and the transition layer are biodegradable. By means of such a structure, a long decomposition time and high luminescent efficiency are ensured, and thus the biodegradable upconversion nanoparticle may remain in an organism body for a long time to allow the effect to persist.
    Type: Application
    Filed: July 16, 2024
    Publication date: July 3, 2025
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Murad ABUALREJAL, Dong Hwan KIM
  • Publication number: 20250209106
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Application
    Filed: March 10, 2025
    Publication date: June 26, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Wuk SON, Hyun Ok Kim, You Kyung KWON, In Je SEONG, Yong Sun CHOI, Ha Kyeom MOON
  • Publication number: 20250190685
    Abstract: An unstructured document analysis method according to an embodiment includes: operations of acquiring unstructured document data including font characteristic data and document structure data, extracting text included in the unstructured document data on the basis of the font characteristic data or the document structure data, classifying the extracted text into a pre-classified item using a trained neural network model, acquiring a content query related to the content included in the unstructured document data and associated with the pre-classified item, and generating an answer to the content query on the basis of the extracted text classified into the item.
    Type: Application
    Filed: February 19, 2025
    Publication date: June 12, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok Kim, Seong Woo Park, Jae Yeob Jung, Yo Han Moon, Min Sun Song
  • Publication number: 20250173020
    Abstract: Disclosed is a voltage and phase compensation circuit and a display device including the same. The voltage and phase compensation circuit includes a first inverting adder configured to add and invert a plurality of panel signals to output a first inverted signal; a second inverting adder configured to add and invert the feedback signals obtained from delayed panel signals and the first inverted signal to output a second inverted signal; and a coupler configured to couple the first inverted signal and the second inverted signal.
    Type: Application
    Filed: October 23, 2024
    Publication date: May 29, 2025
    Inventors: Jae Kwon Chae, Dong Hwan Kim, Eun Sup Yoon
  • Publication number: 20250162716
    Abstract: In a seat for a mobility vehicle configured for absorbing an impact load vertically applied in the event of an accident of an aerial mobility vehicle, ensuring the safety of a passenger, the seat includes a seat frame supporting at least a seat bottom of the seat; at least one leg portion supporting the seat frame and including an elongated hole formed to extend in a longitudinal direction of the at least one leg portion; and a pin member mounted on the seat frame and inserted into the elongated hole to connect the seat frame and the leg portion to each other. The elongated hole at least partially includes a narrow portion including a width narrower than a diameter or a width of the pin member.
    Type: Application
    Filed: April 19, 2024
    Publication date: May 22, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI TRANSYS INC.
    Inventors: Suk Won HONG, Ga Be NAM, Jong Seok HAN, Gil Ju KIM, Sang Do PARK, Sang Man SEO, Hyun Ji LEE, Hyung Rae KIM, Jeong Yong YOO, Gyung Do PARK, Dong Hwan KIM
  • Publication number: 20250160186
    Abstract: The disclosure relates to a display device, and more particularly, to a display device capable of minimizing a light leakage phenomenon to improve an image quality, and a method for fabrication thereof. A display device includes a base substrate; a display element disposed on the base substrate in a display area; an encapsulation layer on the display element; and a light shielding layer disposed on the encapsulation layer in a non-display area.
    Type: Application
    Filed: June 10, 2024
    Publication date: May 15, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Ik LEE, Dong Hwan KIM, Jun Woo YOU, Chang Moo LEE
  • Publication number: 20250145296
    Abstract: A foldable chair includes a first frame; a second frame disposed in parallel with the first frame; a connection portion configured to movably connect the first frame and the second frame and change in length based on movement between the first frame and the second frame; a seat accommodation portion disposed on one of the first frame or the second frame; and a seat portion. In particular, at least a portion of the seat portion is accommodated in the seat accommodation portion, and the seat portion is configured to be drawn out from the seat accommodation portion and detachably fastened to the other of the first frame or the second frame.
    Type: Application
    Filed: April 29, 2024
    Publication date: May 8, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI TRANSYS INC.
    Inventors: Suk Won Hong, Ga Be Nam, Mu Young Kim, Jong Seok Han, Gil Ju Kim, Sang Man Seo, Hyun Ji Lee, Hyung Rae Kim, Jeong Yong Yoo, Gyung Do Park, Dong Hwan Kim
  • Patent number: 12283550
    Abstract: An electronic apparatus includes: a circuit board; a driving chip mounted on the circuit board; a shield-can including a top surface and a side surface extending in a direction from the top surface to the circuit board, wherein the top surface covers the driving chip; and a first film disposed on the shield-can and including a first opening that exposes a part of the top surface of the shield-can.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: April 22, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Hwan Kim, Hee Chang Park, Jeong Jin Kim, Jinkyu Kim, Moo-Hyun Jo
  • Publication number: 20250124474
    Abstract: A method of generating a report using company data may include: collecting subscription company data related to a company subscribing to a platform; storing the collected subscription company data in association with a subscription company account; receiving consultation information through a consultation channel associated with the platform; specifying a consultee from the consultation information, and collecting consultee data related to the specified consultee; generating a report related to the specified agent, using a language model with at least some of the subscription company data and the consultee data as input; and providing the generated report to a subscriber account of the subscription company.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 17, 2025
    Inventors: Dong Hwan KIM, Gil Je SEONG, You Kyung KWON, Ju Shick PARK, Hyung Jin CHANG, Sook Jin ROE
  • Patent number: 12259917
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: March 25, 2025
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Wuk Son, Hyun Ok Kim, You Kyung Kwon, In Je Seong, Yong Sun Choi, Ha Kyeom Moon
  • Patent number: 12254263
    Abstract: An unstructured document analysis method according to an embodiment includes: operations of acquiring unstructured document data including font characteristic data and document structure data, extracting text included in the unstructured document data on the basis of the font characteristic data or the document structure data, classifying the extracted text into a pre-classified item using a trained neural network model, acquiring a content query related to the content included in the unstructured document data and associated with the pre-classified item, and generating an answer to the content query on the basis of the extracted text classified into the item.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: March 18, 2025
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, Seong Woo Park, Jae Yeob Jung, Yo Han Moon, Min Sun Song
  • Publication number: 20250086208
    Abstract: Disclosed herein is a search method performed by an electronic device, including: receiving the plurality of similar question candidates selected by the server using a first similarity analysis model and question vectors corresponding to the plurality of similar question candidates from the server; selecting one or more similar questions from the plurality of similar question candidates by the electronic device using a second similarity analysis model; receiving the responses to the one or more similar questions from the server; and providing the one or more similar questions and the responses to the similar question together to the user.
    Type: Application
    Filed: November 27, 2024
    Publication date: March 13, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Ki Bong Sung, You Kyung Kwon, SeongYeop Jeong
  • Patent number: 12241641
    Abstract: Disclosed is an air heating apparatus including a burner configured to cause a combustion reaction, a main passage, through which water flows while circulating, a heat exchanging device configured to receive heat from combustion gas generated by the combustion reaction and heat the water flowing along the main passage, a heating heat exchanger configured to receive the water heated by the heat exchanging device and exchange heat with the air for heating, a fan configured to send the air to the heating heat exchanger, and a hot water discharge port connected to the main passage such that the water heated by the heat exchanging device is discharged to an outside of the main passage.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: March 4, 2025
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventors: Jun Kyu Park, Duck Sik Park, Dong Hwan Kim, Seong Sik Moon
  • Publication number: 20250068855
    Abstract: The present invention relates to a context-based QA generation architecture for generating diverse QA pairs from a single context. The context-based QA generation architecture includes a latent variable generating network, an answer generating network and a question generating network. The latent variable generating network comprises multiple Bi-LSTM encoders encode the a first context, the a first question and the a first answer to generate a first context vector, a first question vector and a first answer vector, respectively, a first Multi-Layer Perceptron (MLP) generate a first question latent variable based on the first context vector and the first question vector, and a second MLP generate a first answer latent variable based on the first question latent variable and the first answer vector. The answer generating network and the question generating network are trained based on the first context, the first question latent variable and the first answer latent variable.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 27, 2025
    Applicants: 42 Maru Inc., Korea Advanced Institute of Science and Technology
    Inventors: Dong Hwan Kim, Sung Ju Hwang, Seanie Lee, Dong Bok Lee, Woo Tae Jeong, Han Su Kim, You Kyung Kwon, Hyun Ok Kim
  • Patent number: 12219823
    Abstract: A display device includes electrodes disposed on a substrate, the electrodes extending in a first direction and being spaced apart from each other, a first insulating layer disposed on the electrodes, light-emitting elements disposed on the first insulating layer, between the electrodes, a second insulating layer disposed on the light-emitting elements, the second insulating layer extending in the first direction, connecting electrodes disposed on the second insulating layer and the light-emitting elements, the connecting electrodes electrically contacting end portions of each of the light-emitting elements, and a third insulating layer disposed between the connecting electrodes. An end portion of at least one of the connecting electrodes overlaps another one of the connecting electrodes.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seul Ki Kim, Seon Beom Ji, Tae Ha Jin, Dong Hwan Kim
  • Patent number: 12205737
    Abstract: There is provided a method for manufacturing a rare earth sintered magnet to improve the high temperature demagnetization characteristic of the rare earth permanent magnet, by diffusing a heavy rare earth element to the grain boundary of a sintered magnet to improve the magnetic characteristics based on temperature.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 21, 2025
    Assignee: STAR GROUP IND. CO., LTD
    Inventors: Dong Hwan Kim, Koon Seung Kong
  • Patent number: 12202997
    Abstract: An encapsulating composition and an organic electronic device comprising the same, and the encapsulating composition which is capable of effectively blocking moisture or oxygen penetrating into the organic electronic device from the outside to secure the lifetime of the organic electronic device, implementing a top-emitting organic electronic device, being applied in an inkjet method, and providing a thin display.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 21, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Ji Won Kwak, Kook Hyun Choi, Mi Lim Yu, Dong Hwan Kim, Hae Jong Jung
  • Publication number: 20250021590
    Abstract: The invention relates to a method and a system for improving performance of text summarization and has an object of improving performance of a technique for generating a summary from a given paragraph. According to the invention to achieve the object, a method for improving performance of text summarization includes: calculating a first likelihood of each of a plurality of nodes included in a graph corresponding to a natural language-based context; calculating a second likelihood of each of the plurality of nodes by assigning a weight to a first likelihood of a node corresponding to a keyword not presenting in the context among a plurality of keywords corresponding to each of the plurality of nodes; calculating a third likelihood of each of all paths present in the graph based on the second likelihood of each of the plurality of nodes; and generating a summary for the context based on a path having the highest third likelihood among the paths.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Han Su KIM, Woo Tae JEONG, Seung Hyeon LEE, Chang Hyeon LIM