Patents by Inventor Wan Choi

Wan 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: 20240152456
    Abstract: Embodiments of the present disclosure relate to a system and an operating method of the system. Based on some embodiments of the disclosed technology, the system may include a random access memory structured to include memory cells to store data, a cache memory configured to cache at least part of the data, and a processor in communication with the random access memory and the cache memory to access at least part of the data from the random access memory or cache memory. The system may determine a cache hit ratio for the cache memory, and may set an operating frequency of the random access memory based on the cache hit ratio.
    Type: Application
    Filed: January 19, 2024
    Publication date: May 9, 2024
    Inventors: Yong Wan HWANG, Nam Hyeok JEONG, Kwang Ho CHOI, Moon Hyeok CHOI, Tae Woong HA
  • Patent number: 11975091
    Abstract: A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 7, 2024
    Assignee: LG Household & Health Care Ltd.
    Inventors: Seong Kil Son, Won Kyung Choi, Dong Wan Kim, Ji Hee Yoo, Jeong Rae Lee, Sang Min Lee
  • Publication number: 20240145728
    Abstract: Disclosed is an all-solid-state battery capable of suppressing volume expansion during charging and discharging.
    Type: Application
    Filed: April 10, 2023
    Publication date: May 2, 2024
    Inventors: Hee Soo Kang, Hong Suk Choi, Seon Hwa Kim, Jae Min Lim, Sang Wan Kim
  • Publication number: 20240136846
    Abstract: The present technology discloses a three-phase and single-phase two-way charger. According to a specific example of the present invention, a battery charger having a single-stage structure for a combined use of single-phase and three-phase is implemented without an electrolytic capacitor which lowers the reliability and charging efficiency, to enable a compatible use of single-phase and three-phase external power sources, and to improve charging efficiency and the performance in a wide input/output voltage range by a reduced number of switching elements and a soft switching operation of the switching elements and thus improve the reliability and lifetime. A lightweight charger can be realized by integrating, into a core, at least two of an inductor for removing ripples of the battery charger, a primary side and a secondary side of a transformer, and an inductor for removing noise.
    Type: Application
    Filed: August 18, 2021
    Publication date: April 25, 2024
    Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventor: Se Wan CHOI
  • Publication number: 20240135147
    Abstract: A device including processors configured to execute instructions and memories storing the instructions, which when executed by the processors configure the processors to perform an operation for training a transformer model having a plurality of encoders and a plurality of decoders by configuring the processors to identify the batches of training data into a plurality of micro-batches, select layer pairs for the plurality of micro-batches, assemble a processing order of the layer pairs, determining resource information to be allocated to the layer pairs, and allocate resources to the layer pairs based on the determined resource information to be allocated to the layer pairs, dependent con the processing order of the layer pairs.
    Type: Application
    Filed: August 15, 2023
    Publication date: April 25, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jung Ho AHN, Sun Jung LEE, Jae Wan CHOI
  • Patent number: 11964044
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 23, 2024
    Assignee: Amorepacific Corporation
    Inventors: Dong Wan Ha, Yu Jung Kim, Dong Won Choi, Yoon Kyun Hwang
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11961177
    Abstract: A method of controlling a display device includes rendering a plurality of viewpoint images, generating a plurality of sub-images based on the plurality of viewpoint images and a plurality of mapping pattern images corresponding to the plurality of viewpoint images, generating a single light-field image based on the plurality of sub-images, and outputting the single light-field image.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 16, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD., MAXST CO., LTD.
    Inventors: Rang Kyun Mok, Ji Young Choi, Gi Seok Kwon, Jae Joong Kwon, Beom Shik Kim, Jae Wan Park
  • Publication number: 20240118810
    Abstract: A memory system may include: a memory device configured to store first training information and second training information representing different training patterns; and a memory controller configured to: perform a first training operation on the memory device based on the first training information, and perform, when a result of the first training operation is out of a predetermined range, a second training operation on the memory device plural times based on the second training information.
    Type: Application
    Filed: February 9, 2023
    Publication date: April 11, 2024
    Inventors: Moon Hyeok CHOI, Kwang Ho CHOI, Nam Hyeok JEONG, Yong Wan HWANG
  • Publication number: 20240120563
    Abstract: A sensing block includes a block body having a plurality of slots through which electrode leads of battery cells pass, a plurality of sensing terminals installed between the plurality of slots on a front surface of the block body, a circuit board installed on the front surface of the block body, and a connector installed on the circuit board.
    Type: Application
    Filed: July 25, 2023
    Publication date: April 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, VALEO KAPEC CO., LTD.
    Inventors: Hyunchang Kang, Bum Jin Kim, Kyubin Chung, Seoha Kang, Ji Woong Han, Wan Choi, Houk Park, Jae Eun Kim
  • Publication number: 20240119943
    Abstract: A speaker diarization model implementing apparatus includes a voice signal analysis module configured to generate mel-spectrogram data from voice signals of a plurality of speakers detected by a voice recognition device, a motion data analysis module configured to generate ultra-wideband (UWB) signal matrix data from motion sensing signals of the plurality of speakers detected by a motion recognition device, a multimodal learning module configured to extract characteristic values based on the mel-spectrogram data and the UWB signal matrix data, and a speaker diarization module configured to separate the plurality of speakers from each other using the characteristic values.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 11, 2024
    Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Wan Ju KANG, Sungju LEE, Ryuhaerang CHOI
  • Patent number: 11955888
    Abstract: As inputs of a controller of a direct current (DC)-DC converter are sampled for a predetermined time and thus two-dimensional state information in which one axis is an input physical quantity and the other axis is a time is generated, the two-dimensional state information is processed by a convolutional neural network to determine and output one of a plurality of control signals. An artificial intelligence control part may operate in accordance with a plurality of operation conditions or dynamically determined operation conditions by applying different artificial intelligence engines according to operation modes.
    Type: Grant
    Filed: July 3, 2021
    Date of Patent: April 9, 2024
    Inventors: Kang Yoon Lee, Jong Wan Jo, Min Young Kim, Dong Soo Park, Kyung Duk Choi, Young Gun Pu
  • Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Publication number: 20240114709
    Abstract: The quantum dot comprises a ligand which is a copolymer comprising a first repeating unit comprising at least one or more hole transporting functional groups and a second repeating unit comprising at least one or more photocrosslinking functional groups.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 4, 2024
    Applicants: LG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Joona BANG, Ki Seok CHANG, Jeong Min MOON, Soon Shin JUNG, Dong Hoon CHOI, Hyung Jong KIM, Jae Wan KO
  • Publication number: 20240092169
    Abstract: A display apparatus for a vehicle includes a cockpit part including an opening, a guide part mounted within the cockpit part, a display unit disposed within the cockpit part, moved along the guide part so that the display unit has a curved line-shaped moving path and configured to appear and disappear through the opening, and a driving part configured to provide electric power to the display unit so th
    Type: Application
    Filed: May 19, 2023
    Publication date: March 21, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jong Wan CHOI, Hyung Soo KIM
  • Publication number: 20240084145
    Abstract: Disclosed are a pearlescent pigment and a preparation method therefor, wherein the pigment has a multilayered structure including a low-refractive index material layer between high-refractive index material layers on a glass flake substrate and thus has high color intensity, various colors depending on the viewing angle, and an improved sparkling effect. The pearlescent pigment according to the present invention comprises: a glass flake substrate having a D10 value of 40-80 ?m, a D50 value of 160-250 ?m, and a D90 value of 350-600 ?m and a thickness of 500 nm or more; and a metal oxide layer coated on the substrate, the metal oxide layer having a structure of a first metal oxide layer/an intermediate oxide layer containing MgO·SiO2/a second metal oxide layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: March 14, 2024
    Inventors: Jae Il JEONG, Kwang Choong KANG, Byung Ki CHOI, Kwang Soo LIM, Kil Wan CHANG
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Publication number: 20240085786
    Abstract: The present invention relates to a naphthalimide sulfonate derivative, and a photoacid generator and a photoresist composition each comprising same and, more specifically, to a naphthalimide sulfonate derivative compound, and a photoacid generator and a photoresist composition each comprising same, wherein the compound has excellent absorbance for light of i-line (365 nm) wavelength, is greatly easy to prepare into a polymerizable composition due to very high solubility in an organic solvent, has good thermal stability, and shows a favorable acid generation rate.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Applicant: SAMYANG CORPORATION
    Inventors: Chun Rim OH, Dae Hyuk CHOI, Yu Na CHOI, Deuk Rak LEE, Ji Eun CHOI, Ki Tae KANG, Min Jung KIM, Won Jung LEE, Chi Wan LEE
  • Publication number: 20240079599
    Abstract: Disclosed is an anodeless all-solid-state battery which may effectively control local volume expansion due to lithium deposited during charging of the battery. The all-solid-state battery includes an anode current collector, an intermediate layer located on the anode current collector, a solid electrolyte layer located on the intermediate layer, a cathode active material layer located on the solid electrolyte layer and including a cathode active material, and a cathode current collector located on the cathode active material layer. The intermediate layer includes carbon particles and metal particles alloyable with lithium, and the carbon particles include a first carbon material, e.g., as a spherical carbon material, and a second carbon material, e.g., a linear carbon material.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 7, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Young Jin Nam, Hong Suk Choi, Seon Hwa Kim, Hee Soo Kang, Jae Min Lim, Sang Wan Kim
  • Publication number: 20240068851
    Abstract: Provided are a method, an apparatus, and a parameter training method for friction loss-based differential pressure flow rate measurement. The method includes receiving pipe information on a pipe through which fluid passes from a measurement sensor installed on the pipe, calculating physical properties of the fluid based on the pipe information, obtaining a first parameter related to pressure loss of the fluid that occurs in a first passing route in the pipe, obtaining a second parameter related to pressure loss of the fluid that occurs in a second passing route in the pipe, and outputting a flow rate of the fluid based on the pipe information, the physical properties of the fluid, the first parameter, and the second parameter.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Jongwoo CHOI, Wan Ki PARK, JINSOO HAN