Patents by Inventor Hyun Hwang

Hyun Hwang 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: 20240082826
    Abstract: A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps of: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO3) and hydrocarbon acid.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Sang Jin HAN, Dong Hyun KO, Kyong Yong CHA, Ye Seul HWANG, Sunhwan HWANG
  • Patent number: 11926558
    Abstract: The present specification relates to a conductive structure body, a method for manufacturing the same, and an electrode and an electronic device including the conductive structure body.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: March 12, 2024
    Assignee: LG CHEM LTD.
    Inventors: Ilha Lee, Seung Heon Lee, Song Ho Jang, Dong Hyun Oh, Ji Young Hwang, Ki-Hwan Kim, Han Min Seo, Chan Hyoung Park, Sun Young Park
  • Patent number: 11929126
    Abstract: A memory device, and a method of operating the memory device, includes a memory block in which a plurality of cell pages are coupled to each of word lines. The memory device also includes a peripheral circuit configured to adjust a time point at which a verify voltage is applied to a selected word line among the word lines according to an order of performing a program operation during a verify operation of a selected cell page. The memory device further includes a control logic circuit configured to transmit, to the peripheral circuit, an operation code for adjusting a time point at which the verify voltage is output.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 12, 2024
    Assignee: SK hynix Inc.
    Inventors: Sung Hyun Hwang, Jae Yeop Jung, Se Chun Park
  • Publication number: 20240079336
    Abstract: Provided is a semiconductor package. The semiconductor package includes a redistribution line structure comprising a plurality of redistribution line patterns; a first semiconductor chip and a second semiconductor chip on the redistribution line structure and spaced apart from each other; a bridge structure between the first semiconductor chip, the second semiconductor chip, and the redistribution line structure and comprising a plurality of connection wiring patterns configured to electrically connect the first semiconductor chip to the second semiconductor chip; and a molding layer surrounding a sidewall of the bridge structure and filled between the first semiconductor chip, the second semiconductor chip, and the redistribution line structure and between the first semiconductor chip and the second semiconductor chip, wherein lowermost surfaces of the plurality of connection wiring patterns are above uppermost surfaces of the plurality of redistribution line patterns.
    Type: Application
    Filed: August 21, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun CHUNG, Young Lyong Kim, In Hyo Hwang
  • Publication number: 20240074564
    Abstract: Discussed is a cosmetic dispensing system including a terminal and a cosmetic dispenser in near field communication with the terminal, including a memory storing applications for dispensing the cosmetic, a display receiving a command for inputting a cosmetic provision amount and a command for selecting a cosmetic dispensing icon, and a controller processing the command for inputting the cosmetic provision amount and the command for selecting the cosmetic dispensing icon received form the display. The command for inputting the cosmetic provision amount is data determined based on a number of times of use of cosmetics inputted by a user.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Bok Hyun PACK, Seong Eun KOO, Kwang Ho OH, Hae Young HWANG
  • Publication number: 20240068044
    Abstract: Provided is a marker composition for predicting the prognosis of cancer and a method for predicting the prognosis of cancer using same and, more particularly, to a marker composition for predicting the prognosis of cancer comprising an agent for measuring an expression level of mRNA or protein thereof of at least one gene selected from the group consisting of ESR1, BEST1, ACTA2, HIPK2, IGSF9, ASCC2, JUN, PPP2R5A, SMAD3, CREBBP, EP300, and DDX5, to a method for predicting the prognosis of cancer using same, and to a method for providing information for determining a strategy for treating cancer.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 29, 2024
    Inventors: Tae Hyun HWANG, Sunho PARK, Jae Ho CHEONG, Sung Hak LEE, Chung-Kang Sam WANG, Ryan Matthew POREMBKA
  • Patent number: 11914145
    Abstract: Disclosed in the present invention is a floating hologram system. The floating hologram system includes a diffuser configured to form a projection image using light beams transmitted from an image transmitter and diffuse the formed image, and a holographic optical element on which the image diffused from the diffuser is incident and which generates a virtual image floating at a position a predetermined distance therefrom and has a convex lens characteristic. A distance between the diffuser and the holographic optical element is determined based on a focal length of the holographic optical element and a distance from the holographic optical element to the virtual image.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 27, 2024
    Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seung Hyun Lee, Lee Hwan Hwang, Jae Hyun Lee, Sung Jae Ha, Soon Chul Kwon, Kwang Pyo Hong
  • Patent number: 11901031
    Abstract: A memory device includes a fail test circuit configured to generate a fail flag indicating whether a failure was detected in a column line, on the basis of internal data outputted from the column line selected according to a column address, when performing a test, and control the fail flag to indicate that the failure was detected in the column line, on the basis of a fail control signal. The memory device also includes a repair information generation circuit configured to generate, from the column address, a repair column address for repairing the column line, on the basis of the fail flag.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 13, 2024
    Assignee: SK hynix Inc.
    Inventors: Yong Sun Kim, Mi Hyun Hwang
  • Publication number: 20240039317
    Abstract: A method for determining a charging profile of a battery according to the present disclosure includes determining a reference state of charge (SOC) corresponding to a lithium deposition boundary potential using a test cell, determining a first charging profile by performing a constant current (CC) charging on the test cell until reaching the reference SOC and performing a constant voltage (CV) charging constantly maintaining a voltage between a negative terminal and a positive terminal after reaching the reference SOC, determining a second charging profile by performing the CC charging on the test cell until reaching the reference SOC and performing the CV charging constantly maintaining a voltage between the negative electrode surface and the positive terminal after reaching the reference SOC, and correcting a third charging profile obtained from a battery including a plurality of cells using a difference between the first charging profile and the second charging profile.
    Type: Application
    Filed: October 7, 2022
    Publication date: February 1, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gi-Min Nam, Hyeong-Seok Kim, Guang-Ri Lee, Tae-Hyun Hwang
  • Patent number: 11884253
    Abstract: A vehicle brake system is disclosed for dynamic braking of a vehicle based on wheel speeds, including a first wheel speed sensor, a second wheel speed sensor, a main controller for calculating a first wheel speed of each wheel by a signal received from the first wheel speed sensor to generate a first wheel speed signal and to perform dynamic braking control based on the first wheel speed signal, an auxiliary controller for calculating a second wheel speed of each wheel by a signal received from the second wheel speed sensor to generate a second wheel speed signal, and digital signal transfer lines for transceiving a normal signal or abnormality signal between the main and auxiliary controllers.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: January 30, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Woo Hyun Hwang
  • Patent number: 11872975
    Abstract: According to at least one embodiment, the present disclosure provides an electrohydraulic brake system including main brake assemblies, electronic parking brakes (EPBs), a main control unit, and a redundancy control unit (RCU). The main brake assemblies generate a braking force in one or more front wheels and one or more rear wheels of a vehicle. The electronic parking brakes (EPBs) generate a braking force to one of the front wheels and rear wheels. The main control unit is configured to control the operation of the main brake assembly. The redundancy control unit (RCU) is configured to control the operation of the electronic parking brake. Here, the redundancy control unit performs, upon determining that a malfunction occurs in a braking function of the main control unit, a slip control on the vehicle by using the electronic parking brake based on signals from one or more wheel speed sensors.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 16, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Woo Hyun Hwang
  • Publication number: 20240013813
    Abstract: A content providing method performed by a computing device is provided. The content providing method includes: obtaining preview information on a plurality of sections of target content, the preview information including a keyword group associated with content of a corresponding section, and providing the preview information on the plurality of sections together with the target content.
    Type: Application
    Filed: June 26, 2023
    Publication date: January 11, 2024
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Ji Hyun Hwang, Seung Hyun Yoon, Mi Suk Park, Ye Ji Kim, Hui Yeon Yang
  • Publication number: 20240012556
    Abstract: A method for displaying content performed by a computing device is provided. The method includes: displaying a detailed view indicator on an area of first content that is viewed in detail among a plurality of contents displayed on a screen, and displaying the first content in a detailed view mode in response to a user's drag input to the area of the first content.
    Type: Application
    Filed: June 26, 2023
    Publication date: January 11, 2024
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Seung Hyun YOON, Ji Hyun Hwang, Mi Suk Park, Ye Ji Kim, Hui Yeon Yang
  • Publication number: 20240005462
    Abstract: Apparatuses, systems, and techniques to perform effective tone management for image data. In an embodiment, a set of contrast gain curves are generated corresponding to a set of tonal ranges of an input image. An output image may then be generated by at least applying corresponding contrast gain curves to tonal ranges of the input image.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventors: SUNG HYUN HWANG, ERIC DUJARDIN, YINING DENG
  • Patent number: 11862258
    Abstract: An operating method of a memory device, comprises: a program operation of applying a program voltage to a selected word line to program selected memory cells connected to the selected word line, a first verification operation of applying a first verification voltage to the selected word line and applying a first verification pass voltage to unselected word lines to verify a first program state of the selected memory cells, and a second verification operation of applying a second verification voltage to the selected word line and applying a second verification pass voltage to the unselected word lines to verify a second program state higher than the first program state.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: January 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyun Seob Shin, Dong Hun Kwak, Sung Hyun Hwang
  • Patent number: 11851310
    Abstract: The present disclosure relates to an autonomous forklift truck capable of recognizing a location of the autonomous forklift truck and a location of an obstacle in a work area, and the truck includes a location recognition sensor to detect the location of the autonomous forklift truck through a laser emitted and reflected from a reflective marking equipped in a structure, a first sensor to detect an obstacle near a work area floor, a second sensor to detect an obstacle at a predetermined height from the floor, a fork laser sensor to measure a distance from a rack where a pallet is loaded or a distance from the pallet, a first fork photoelectric sensor and a second fork photoelectric sensor, and a control unit to process sensing signals inputted from all the sensors and control the driving and attachments of the autonomous forklift truck.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: December 26, 2023
    Assignee: HD Hyundai Xitesolution Co., Ltd.
    Inventors: Joon Hyeok Yeo, Jong Hyun Hwang, Moon Su Park, Young Rae Cho, Su Hyeon Gim
  • Patent number: 11844158
    Abstract: A single channel-based multi-functional light emitting diode lamp driving system includes: first and second light source groups distinguished for each lamp function thereof; a single LED lamp driving module adjusting an input voltage to a voltage required for each lamp function and to apply it to the first and second light source groups; a switching module controlling on or off of the first and second light source groups; and a control module controlling light amounts of the first and second light source groups by performing time-division control on an on or off time of the switching module in conjunction with the LED lamp driving module, wherein the control module is configured to perform time division turn-on control on the first and second light source groups by controlling at least one of a current value applied to the first and second light source groups or a duty ratio thereof in a high-beam passing mode.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: December 12, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CORPORATION
    Inventors: Choong Seob Park, So Jeong Kang, Jin Hyun Kim, Seok Hyun Hwang, Ga Hee Lee, Chul Sung Lee
  • Publication number: 20230397476
    Abstract: Embodiments provide a light emitting element that includes a base layer, a first electrode disposed on the base layer, a second electrode facing the first electrode, and functional layers disposed between the first electrode and the second electrode. The first electrode includes a first layer disposed on the base layer, and a second layer disposed on the first layer and including a reflective metal. Photonic crystal pore patterns, each spaced apart along a first direction and extending along a second direction crossing the first direction, are defined between the base layer and the first layer.
    Type: Application
    Filed: April 24, 2023
    Publication date: December 7, 2023
    Applicants: Samsung Display Co., Ltd., KOREA UNIVERSITY Research and Business Foundation
    Inventors: YOUNGTAK LEE, Seungwon LEE, Byeong-Kwon JU, Jaewon PARK, Jun-Young PARK, JAE YOUNG LEE, Young Hyun HWANG, Ha HWANG
  • Publication number: 20230382383
    Abstract: A method of controlling a driving assistant apparatus is provided, the method including: a detection step of detecting driving information of a surrounding vehicle and driving information of a host vehicle; a scenario deciding step of determining a driving state of the host vehicle using the driving information of the surrounding vehicle and the driving information of the host vehicle, and determining the driving state of the host vehicle is decided as a preset scenario of preset scenarios; a control method deciding step of setting a target acceleration of the host vehicle in response to determination that the driving state of the host vehicle is decided as the preset scenario, and determining a control method for driving control and braking control of the host vehicle following the target acceleration; and a control step of controlling the host vehicle based on the determined control method.
    Type: Application
    Filed: December 19, 2022
    Publication date: November 30, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Woo Hyun HWANG, Young Ju LEE
  • Patent number: D1015947
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: February 27, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Duck Hyun Hwang