Patents by Inventor In-Cheol CHOI

In-Cheol 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: 20240136515
    Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.
    Type: Application
    Filed: November 15, 2021
    Publication date: April 25, 2024
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Sanghyuk LEE, Jong II PARK, Jung Hoon SONG, Sang Cheol NAM, Kwon Young CHOI, Inchul PARK, Ohmin KWON
  • Publication number: 20240136496
    Abstract: An electrode sheet drying equipment, an electrode sheet manufacturing system including the same, and an electrode sheet drying method including an air-floating roller disposed downstream of a drying oven, and the air-floating roller is configured to spray hot air through multiple air spraying holes formed on the outer circumferential surface. Accordingly, the electrode sheet discharged from the drying oven in a partially undried state can be additionally dried, thereby preventing contamination of a transfer roller and/or equipment of the subsequent process.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 25, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Oh Cheol Kwon, Ji Hwan Kim
  • Publication number: 20240137821
    Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Gi PARK, Young-Jo KO, IL GYU KIM, Jung Im KIM, Jun Sik KIM, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
  • Publication number: 20240136114
    Abstract: A coil component includes: a body having a first surface and a second surface opposing each other in a first direction; a support member disposed in the body; a coil disposed on the support member, and including a coil pattern having at least one turn and a lead portion extending from the coil pattern to at least one of the first surface and second surface of the body; and external electrodes disposed on the body and respectively connected to the lead portions, wherein a partial region of an outermost turn of the coil pattern has a line width smaller than that of the other region, and at least one of the lead portions is biased to one side based on a center line passing through a center of the coil pattern while being parallel to the first direction.
    Type: Application
    Filed: September 20, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eo Jin CHOI, Byeong Cheol MOON
  • Publication number: 20240136509
    Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and it is provided a positive electrode active material for a lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4.
    Type: Application
    Filed: November 15, 2021
    Publication date: April 25, 2024
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Ohmin KWON, Sang Cheol NAM, Kwon Young CHOI, Jung Hoon SONG, Sanghyuk LEE, Inchul PARK
  • Publication number: 20240136356
    Abstract: A semiconductor device includes a first element separation structure, a second element separation structure, and a third element separation structure sequentially disposed along a first direction and extending in a second direction intersecting the first direction; a first active pattern extending in the first direction between the first element separation structure and the second element separation structure; a second active pattern extending in the first direction between the second element separation structure and the third element separation structure and separated from the first active pattern by the second element separation structure; a first gate electrode extending in the second direction on the first active pattern; and a plurality of second gate electrodes extending in the second direction on the second active pattern, wherein a width of the first active pattern in the second direction is greater than a width of the second active pattern in the second direction.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 25, 2024
    Inventors: Byeol Hae EOM, Byung Ha CHOI, Keun Hwi CHO, Sung Won KIM, Yuri MASUOKA, Won Cheol JEONG
  • Patent number: 11967044
    Abstract: Provided is a device for upscaling resolution based on a slice image, in which a low-resolution image is divided into a plurality of slice images so that a high-resolution image is generated. The device includes a convolution operation unit configured to convert a low-resolution input slice image into a high-resolution output slice image using a convolutional neural network. The convolutional neural network includes a cascading block configured to perform a convolution operation using a convolution filter having a predetermined size and a residual operation on an input feature map generated from the low-resolution input slice image to generate an output feature map, and an upscaling block configured to upscale the output feature map to generate the high-resolution output slice image.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: April 23, 2024
    Assignee: Silicon Works Co., Ltd.
    Inventors: Byung Cheol Song, Dong Yoon Choi, Ji Yun Park
  • Publication number: 20240128510
    Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.
    Type: Application
    Filed: December 24, 2021
    Publication date: April 18, 2024
    Inventors: Ji Young CHOI, Min Goo KIM, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Min Jung JANG
  • Publication number: 20240123386
    Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 18, 2024
    Applicant: COWAY CO.,LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Publication number: 20240124331
    Abstract: A portable water bottle includes a water bottle body having water stored therein; and a sterilizing module for irradiating the inside of the water bottle body with sterilizing ultraviolet rays. The sterilizing module further includes a housing having an ultraviolet outlet through which the sterilizing ultraviolet rays pass; a light source module for emitting the sterilizing ultraviolet rays; and a power storage member for supplying power to the light source module.
    Type: Application
    Filed: September 11, 2023
    Publication date: April 18, 2024
    Inventors: Woong Ki JUNG, Byeong Cheol JOO, Jae Young CHOI
  • Publication number: 20240128915
    Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 18, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Hwan KANG, Hyung Min PARK, Joo Won PARK, Beom Cheol CHO, Yun Ho CHOI, Yeon Ho KIM, Won Hee JO
  • Publication number: 20240118028
    Abstract: An infrared heat source module is configured to minimize problems such as wrinkles or cracks in electrodes even if the patterns of a coated part and an uncoated part of the electrodes present in a current collector vary. The module improves a drying efficiency of the coated part of the current collector. An electrode using the infrared heat source module is manufactured by a process.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Young Kuk Ko, Oh Cheol Kwon, Ji Hwan Kim, Jeong Won Lee
  • Publication number: 20240120263
    Abstract: A semiconductor package includes a package substrate, an interposer mounted on the package substrate via first conductive bumps; first and second semiconductor devices on the interposer and spaced apart from each other, mounted on the interposer via second conductive bumps and having concavo-convex patterns respectively formed in upper surfaces thereof; and a sealing member on the interposer covering the first and second semiconductor devices and exposing the concavo-convex patterns. The concavo-convex pattern of the first semiconductor device includes a plurality of first pillar structures provided in the upper surface of a first region of the first semiconductor device and having a first width, and a plurality of second pillar structures provided in the upper surface of a second region of the first semiconductor device and having a second width greater than the first width.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 11, 2024
    Inventors: CHEOL KIM, HWANYOUNG CHOI, SEOKHYUN LEE
  • Patent number: 11953066
    Abstract: The present disclosure relates to a brake disc including a braking part having a circular plate shape having a hollow portion and a plurality of coupling portions protruding and extending from an inner diameter surface thereof, and a hat part disposed in the hollow portion and having a plurality of insertion portions protruding laterally, in which the plurality of coupling portions is respectively coupled to the plurality of insertion portions, and the coupling portion of the braking part and the insertion portion of the hat part are joined to only one of an outboard portion or an inboard portion of the braking part. According to the present disclosure, it is possible to reduce noise occurring at a position at which the hat part and the braking part are coupled to each other and improve cooling performance.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: April 9, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOHAN INDUSTRY CO., LTD.
    Inventors: Yoon-Cheol Kim, Kyung-Rok Choi, Sang-Bum Koh, Seong-Kweon Joo, Ki-Jeong Kim, Jae-Seok Lee
  • Patent number: 11951508
    Abstract: The present technology relates to an electrode slurry-discharging shim, and a coating die comprising same, the present technology allowing superbly even coating to be assured even when the electrode slurry coating is at a high load level. In one example, the present technology provides a coating shim for electrode slurry discharge according to the present invention having a step portion configured to be formed at an end of an electrode slurry discharge flow path and to increase a width of the discharge flow path, and the step portion is formed at opposite sides in a width direction of the electrode slurry discharge flow path.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 9, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jong Hwan Choi, In Seong Kim, Min Cheol Choi
  • Publication number: 20240109784
    Abstract: The present invention relates to a manufacturing method and a manufacturing apparatus for calcium formate and, more particularly, to a manufacturing method and a manufacturing apparatus for calcium formate, wherein the formic acid-amine adduct prepared in a process using hydrogenation of carbon dioxide is reacted with a calcium compound, whereby calcium formate can be manufactured and separated in a simple process while excluding complicated separation processes and co-bases required by conventional formic acid manufacturing processes, with the resultant improvement of economical benefit and efficacy in the process.
    Type: Application
    Filed: November 24, 2021
    Publication date: April 4, 2024
    Inventors: Hae Won JUNG, Cheol Hyun KIM, Hyun CHOI, Jung Hyun JIN, Sung Ho YOON, Ha Young YOON
  • Patent number: 11948493
    Abstract: A display device of the present disclosure comprises pixels arranged in a display, a data accumulator for accumulating first image data for an N-th frame output through the display, a data receiver for receiving second image data for an (N+1)th frame to be output through the display, and an afterimage controller for correcting a current value corresponding to a grayscale value of the second image data through a convolution operation between a filter, which is set based on the first image data, and the second image data.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hwan Park, Dae Cheol Kim, Kook Hyun Choi
  • Publication number: 20240105991
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 28, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Publication number: 20240100464
    Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 28, 2024
    Applicant: COWAY CO., LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Publication number: 20240095913
    Abstract: An apparatus for image transformation for transforming a first medical image into a second medical image based on an artificial neural network technology includes a preprocessing module that receives the first medical image and second medical image obtained by photographing the same part of a body using different photographing techniques and performs preprocessing on the first and second medical images, and an artificial neural network module that receives the preprocessed first medical image and second medical image, respectively, and transforms the first medical image into a second medical image.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 21, 2024
    Inventors: Gyu Sang CHOI, Kyeong Min PARK, Min Cheol CHANG