Patents by Inventor Wook Choi

Wook 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: 20250138100
    Abstract: A battery cell classification system may include a charging voltage differential value measurement device configured to determine a charging voltage differential value of a battery cell before assembling a battery module, a uniformity factor extractor configured to extract a uniformity factor based on determining uniformity of the battery cell among determined charging voltage differential values, and a controller configured to compare a uniformity factor of the battery cell with a reference uniformity value, so as to reject the battery cell as a defective cell if it has the uniformity value smaller than the reference uniformity value, or to classify battery cell based on uniformity factor if it has the uniformity value at or above than the reference uniformity value.
    Type: Application
    Filed: February 22, 2024
    Publication date: May 1, 2025
    Inventors: Junhee Lee, Chun Yong Kang, Kimoon Um, Jang Wook Choi, Min Soo Kim, In Woo Kim, Hyun Jae Kim
  • Patent number: 12281008
    Abstract: Provided is a suspended type nanowire that is fixed and electrically connected to each of a first electrode disposed on a substrate and a second electrode disposed on the substrate and spaced apart from the first electrode and suspended on the substrate. Here, a cross-section in a direction perpendicular to a longitudinal direction of the suspended type nanowire includes at least one curved part, and the curve part includes a reference surface and at least one side surface extending downward from the reference surface.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: April 22, 2025
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jun-Bo Yoon, Jaeshin Lee, Kwang-Wook Choi, Min-Seung Jo
  • Publication number: 20250125320
    Abstract: Provided are an optical module and an optical transceiver using an optical system-in-package (O-SIP) including a photonic integrated circuit (IC), an electronic IC, and the like, in a package. The optical module includes: an optical system-in-package (O-SIP) for generating an optical signal or receiving an optical signal, in which a photonic integrated circuit (IC) and an electronic IC for driving or interfacing the photonic IC are molded inside a mold body having a first surface and a second surface which are flat, on a lower portion and an upper portion of the mold body, respectively; and a vertical coupler mounted on an upper portion of the O-SIP and having a through hole corresponding to a light entrance/exit part of the photonic IC inside the mold body, wherein an optical fiber is coupled to the through hole.
    Type: Application
    Filed: February 14, 2023
    Publication date: April 17, 2025
    Inventor: Seong Wook CHOI
  • Publication number: 20250122907
    Abstract: A cage for a ball bearing is provided. A cage for a ball bearing includes a cage main body having a ring shape; a plurality of partitions which extend in an axial direction of the cage main body and are formed spaced apart in a circumferential direction of the cage main body; and pocket formation parts which are formed around the plurality of partitions. According to an example embodiment of the present disclosure, the pockets may be formed between the plurality of partitions adjacent to each other and the pocket formation parts may be formed to surround the pockets. Also, the oil storage parts may be formed on at least one of an outer surface and an inner surface of the pocket formation parts in a radial direction of the cage main body so that oil stored in the oil storage parts is supplied to the pockets.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Applicant: ILJIN GLOBAL Co.,Ltd
    Inventors: Chang Ki LEE, Ji Wook CHOI, Hyeon Soo LIM, Woon Ju LEE
  • Publication number: 20250122906
    Abstract: A cage for a ball bearings is provided. A cage for a ball bearing includes a cage main body formed to have a ring shape; a plurality of partitions which each extend in an axial direction of the cage main body and are formed spaced apart in a circumferential direction of the cage main body; and ball support parts which are formed to extend in the axial direction from an opposite end portion of the cage main body in each of the plurality of partitions. Pockets are formed between the plurality of partitions adjacent to each other, and oil storage parts are formed on at least one of the outer surface and the inner side in a radial direction of the plurality of partitions so that oil stored in the oil storage parts is supplied to the pocket.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Applicant: ILJIN GLOBAL Co.,Ltd
    Inventors: Ji Wook CHOI, Chang Ki LEE, Hyeon Soo LIM, Woon Ju LEE
  • Patent number: 12266542
    Abstract: A method for atomic layer etching a metal containing layer is provided. At least a region of a surface of the metal containing layer is modified to form a modified metal containing region by exposing a surface of the metal containing layer to a modification gas, wherein adjacent to the modified metal containing region remains an unmodified metal containing region. The modified metal containing region is selectively removed with respect to the unmodified metal containing region by exposing the surface of the metal containing layer to an inert bombardment plasma generated from an inert gas.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: April 1, 2025
    Assignee: Lam Research Corpporation
    Inventors: Wenbing Yang, Mohand Brouri, Samantha SiamHwa Tan, Shih-Ked Lee, Yiwen Fan, Wook Choi, Tamal Mukherjee, Ran Lin, Yang Pan
  • Publication number: 20250099750
    Abstract: Disclosed is an iontophoresis transdermal drug delivery device for cancer treatment, the device including: a power module including a battery; a microcontroller module configured to receive a voltage from the power module to output a constant-current electrical signal; and a microfluidic chip configured to store a drug and deliver the stored drug to the skin on the basis of the electrical signal.
    Type: Application
    Filed: September 23, 2024
    Publication date: March 27, 2025
    Inventors: Bong Geun CHUNG, Tae Hyeon Kim, Na Yeon Kim, Hee Uk Lee, Ji Wook Choi
  • Publication number: 20250096221
    Abstract: An embodiment all-solid-state battery includes an anode current collector, a double layer disposed on the anode current collector, a solid electrolyte layer disposed on the double layer, the solid electrolyte layer including a solid electrolyte, a cathode layer disposed on the solid electrolyte layer, the cathode layer including a cathode active material, and a cathode current collector disposed on the cathode layer, wherein the double layer includes a protective layer disposed on the anode current collector and a metal alloy layer disposed on the protective layer, wherein the protective layer includes a reaction product of a conductive material containing a first functional group and a binder containing a second functional group, and wherein the metal alloy layer includes a metal capable of forming an alloy with lithium.
    Type: Application
    Filed: March 8, 2024
    Publication date: March 20, 2025
    Inventors: Ji Young Kim, Sam Ick Son, Ki Yoon Bae, Jang Wook Choi, Ji Hoon Oh
  • Publication number: 20250092378
    Abstract: Provided are a liquid formulation including botulinum toxin and proline and a preparation method thereof, and a use thereof.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 20, 2025
    Inventors: Jeonghan KIM, Yu-Gyeong KIM, Hyung-Gun KIM, Chee-Youb WON, Dong Kyu YOON, Jung Wook CHOI
  • Publication number: 20250092392
    Abstract: Novel antisense oligonucleotides that induce Exon-2 skipping in the CD33 gene during pre-mRNA splicing, and their use in the treatment of a neurodegenerative disease, such as Alzheimer's disease, are disclosed.
    Type: Application
    Filed: April 28, 2022
    Publication date: March 20, 2025
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Vinod VATHIPADIEKAL, Branko MITASEV, Courtney EASLEY-NEAL, Hyeong Wook CHOI, Francis G. FANG, John WANG, Praveen VEMULA, Jung Hwa LEE
  • Publication number: 20250093781
    Abstract: Photoresist rework of metal-containing photoresist is disclosed. Rework can be accomplished using a thermal process by exposing a substrate to an elevated temperature and an etch gas. Rework can be also accomplished using a wet process by exposing the substrate to an inorganic acidic solution. Residue or other contaminants may be cleaned up from the substrate after rework by exposure to high temperatures, plasma, or wet clean.
    Type: Application
    Filed: July 20, 2022
    Publication date: March 20, 2025
    Inventors: Daniel PETER, Meng XUE, Da LI, Jengyi YU, Samantha SiamHwa TAN, Wook CHOI
  • Patent number: 12251386
    Abstract: Provided herein is N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl (tetrahydro-2H-pyran-4-yl)amino)-4-methyl-4?-(morpholinomethyl)-[1,1?-biphenyl]-3-carboxamide hydrobromide. Also provided herein is a particular polymorph form of this compound.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: March 18, 2025
    Assignees: Epizyme, Inc., Eisai R&D Management Co., Ltd.
    Inventors: Kevin Wayne Kuntz, Kuan-Chun Huang, Hyeong Wook Choi, Kristen Sanders, Steven Mathieu, Arani Chanda, Francis Fang
  • Patent number: 12251394
    Abstract: Provided herein are methods for the treatment of bladder cancer.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 18, 2025
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Dae-Shik Kim, Frank Fang, Atsushi Endo, Hyeong-Wook Choi, Ming-Hong Hao, Xingfeng Bao, Kuan-Chun Huang
  • Patent number: 12243494
    Abstract: A display device comprises a display panel including a plurality of sub-pixels defined by a plurality of gate lines and a plurality of data lines; and an auxiliary ground voltage line disposed between two adjacent data lines of the plurality of data lines.
    Type: Grant
    Filed: February 8, 2024
    Date of Patent: March 4, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Seong-Wook Choi, Jin-Uk Lee
  • Publication number: 20250041629
    Abstract: The present invention relates to an ultrasonic transducer position setting device, an ultrasonic transducer position setting program, and a method for implementing ultrasonic transducer position setting artificial intelligence. The ultrasonic transducer position setting device includes: an input/output unit for allowing a user to input data, and outputting the data in a form that is recognizable by the user; a memory for storing an ultrasonic transducer position setting program; and a control unit for executing the ultrasonic transducer position setting program to derive result data according to the data input through the input/output unit, wherein, when a focal point position of ultrasound, which is set to a region where a brain is positioned inside a skull in a living body, is input, the control unit outputs position data of an ultrasonic transducer, which allows the ultrasound to be applied to the input focal point position of the ultrasound.
    Type: Application
    Filed: May 10, 2022
    Publication date: February 6, 2025
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Gun Woo NOH, Kyung Ho YOON, Min Yeong JANG, Min Wook CHOI
  • Patent number: 12212852
    Abstract: A focusing method of a camera for obtaining an image of a surveillance area by performing a pan-tilt-zoom (PTZ) operation is included. The focusing method includes: determining whether a region of interest set in the surveillance area is included in a first image obtained by the camera; converting a mode according to a result of the determination by selecting a first mode in which focusing is performed using a first focusing algorithm or a second mode in which focusing is performed using a second focusing algorithm that is different from the first focusing algorithm; and focusing the camera with respect to the first image according to the first mode or the second mode.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: January 28, 2025
    Assignee: Hanwha Vision Co., Ltd.
    Inventors: Sung Wook Choi, Won Mo Koo, Jung Won Pac, Joo Hye Noh, Joo Hyun Yoon
  • Publication number: 20250029567
    Abstract: A display apparatus in one example includes a display panel having a subpixel configured to emit light with a data voltage applied through a first data line and change an emission condition, based on an additional voltage applied through a first additional line. The display apparatus further includes a driver configured to drive the display panel.
    Type: Application
    Filed: July 18, 2024
    Publication date: January 23, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Jin Woo LEE, Sung Wook CHOI
  • Publication number: 20250018864
    Abstract: The present disclosure provides apparatus and method for blind-spot monitoring of vehicle based on rear camera. A blind spot view monitoring apparatus, for a vehicle based on a rear camera, may include an image acquisition unit, a control unit and a display unit. The image acquisition unit is configured to obtain a rear image from a rear camera mounted on a vehicle. The control unit is configured to set a region of interest in the rear image based on a turn signal or a lane departure signal of the vehicle, to determine whether there is a risk of proximity of an object in the region of interest to the vehicle, and to generate a blind spot image based on whether there is the risk of proximity. The display unit is configured to display the blind spot image.
    Type: Application
    Filed: December 7, 2023
    Publication date: January 16, 2025
    Inventors: Jeong Hoon Kim, Run Fei Wang, Jin Wook Choi, Ming Xia Xu
  • Patent number: 12200969
    Abstract: A display device includes: a display panel including sub-pixels and a heat dissipation pad electrically connected to at least one of the sub-pixels; a heat dissipation sheet on the heat dissipation pad; and an insulating heat dissipation adhesive layer between the heat dissipation sheet and the heat dissipation pad to adhere the heat dissipation sheet and the heat dissipation pad.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: January 14, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sejachul Hwang, Do Youb Kim, Dong Wook Choi
  • Publication number: 20250015351
    Abstract: The present disclosure provides an electrolyte for a lithium metal battery, containing a lithium salt, a solvent and a diluent including 1,2-difluorobenzene, wherein the lithium salt comprises one or more selected from the group consisting of lithium bis(fluorosulfonyl)imide (LiFSI), lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and lithium hexafluorophosphate (LiPF6), the solvent comprises one or more selected from the group consisting of dimethyl carbonate (DMC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC), ethylene carbonate (EC), and propylene carbonate (PC).
    Type: Application
    Filed: April 26, 2022
    Publication date: January 9, 2025
    Inventors: Jang Wook Choi, Dong Joo Yoo