Patents by Inventor In Hwan Choi

In Hwan 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: 20240301120
    Abstract: A composition for forming polyurethane foam including a polyol mixture containing two or more polyols having different melting points, an isocyanate compound, and a blowing agent, wherein the two or more polyols are respectively included in the same weight ratio. A foam for a vehicle seat including a polyurethane foam manufactured from the composition for forming polyurethane foam described above. A method of manufacturing a foam for a vehicle seat including manufacturing a polyurethane foam from the composition for forming polyurethane foam described above, and coating a coating layer composition containing 1 to 5 wt % of carbon nanotubes on at least one surface of the polyurethane foam. A vehicle seat including the foam for a vehicle seat described above.
    Type: Application
    Filed: August 8, 2023
    Publication date: September 12, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Kwon Yong CHOI, Jong Hwan SUHR, Jin Woo LEE, Bo Gyeong JIN, Kyeong Hoon KANG
  • Publication number: 20240301279
    Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 12, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Patent number: 12085968
    Abstract: Provided is a multi-port gas flow rate control apparatus. The multi-port gas flow rate control apparatus includes a gas supply chamber configured to supply a measurement gas input through one gas inflow channel while allowing the measurement gas to diverge into a plurality of flows, a plurality of gas divergence flow channels each having one side connected to the gas supply chamber and configured to transfer the measurement gas flowing through the gas supply chamber to a plurality of gas sensors, respectively, and a gas measurement chamber configured to accommodate the plurality of gas sensors, including the plurality of gas divergence flow channels configured to connect to the gas supply chamber to the plurality of gas sensors to transfer a gas outflow diverging through the gas supply chamber to the plurality of accommodated gas sensors, and configured to discharge the gas outflow sensed by the plurality of gas sensors.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: September 10, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Hyo Chung, Chang Geun Ahn, Do Hyun Kim, Seung Hwan Kim, Hyung Wook Noh, Hwin Dol Park, Yong Won Jang, Jae Hun Choi
  • Patent number: 12084575
    Abstract: The embodiments relate to a polyamide-imide film excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-imide film, which comprises a polyamide-imide polymer and has a reduced modulus of a top surface measured by the nanoindentation method according to the ISO 14577-2 standard of 5.6 GPa or more and a haze of 1% or less, a process for preparing the same, and a cover window and a display device comprising the same.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: September 10, 2024
    Assignee: SK MICROWORKS CO., LTD.
    Inventors: Sang Hun Choi, Jin Woo Lee, Jung Hee Ki, Dae Seong Oh, Han Jun Kim, Sun Hwan Kim, Heung Sik Kim
  • Patent number: 12084362
    Abstract: The present invention relates to an apparatus for generating chlorine disinfectant that arranges, a salt water supply part, a hypochlorite generation part, a control part.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: September 10, 2024
    Inventors: Jeong Nam Kim, Jun Hwan Choi
  • Patent number: 12087882
    Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: September 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong Hun Song, Jong Hwan Cha, Ki Nyeng Kang, Hee Jung Yoon, Sung Jin Lee, Jong Chan Lee, Tae Hee Lee, Kyung Ah Choi, Seung Jin Chu
  • Publication number: 20240295263
    Abstract: A shift-by-wire transmission system includes a gear shifting operation portion provided at an end portion of a body and configured to shift a gear, a housing provided inside the body, a haptic element provided in contact with the housing and configured to generate a vibration when the gear is shifted to a predetermined gear shifting stage to transmit the vibration to the housing, and a groove member coupled to the gear shifting operation portion and configured to operate in conjunction with a gear shifting operation of the gear shifting operation portion and transmit the vibration of the haptic element, which is transmitted to the housing, to the gear shifting operation portion by constantly maintaining a state in contact with the housing.
    Type: Application
    Filed: October 26, 2023
    Publication date: September 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Bum Jun KIM, Kyeong Hwan CHOI, Sung Won CHO, Won LEE, In Hyuk IM
  • Publication number: 20240293487
    Abstract: The present invention relates to an anti-tumor adenovirus that can evade the in-vivo immune system. The adenovirus having high ability to kill tumor of the present invention, by comprising a nucleic acid encoding a tumor albumin-binding domain, has significantly increased effects of infecting and killing tumor cells, exhibits an increase in binding with albumin to thereby evade in-vivo immune responses, leading to an increase in plasma half-life, is specifically delivered to cancer cells to produce systemic therapeutic effects, and can be topically delivered and has excellent selectivity, resulting in a remarkable effect in anti-tumor efficacy and, therefore, the adenovirus can be advantageously used as an anticancer composition or anticancer adjuvant in various types of cancer.
    Type: Application
    Filed: March 22, 2021
    Publication date: September 5, 2024
    Inventors: Jin-Woo CHOI, Seong-Hoon PARK, Goughnour PETER CHARLES, Jung-Ki YOO, Chung-Gab CHOI, Ki-Hwan UM, Hyung-Been LEE
  • Publication number: 20240294699
    Abstract: A xylylene diisocyanate (XDI) composition according to exemplary embodiments includes xylylene diisocyanate and an acidity regulator having a boiling point of 110° C. or higher, and the composition has an acidity of greater than 100 ppm and 1,000 ppm or less based on a total weight of the xylylene diisocyanate (XDI). An optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate through acidity adjustment.
    Type: Application
    Filed: September 2, 2021
    Publication date: September 5, 2024
    Inventors: Jae Young PAI, Jung Hwan MYUNG, Kyeong Hwan YOU, Hyuk Hee HAN, Jeong Moo KIM, Eui Jun CHOI, Jung Hwan SHIN
  • Publication number: 20240295551
    Abstract: The present invention relates to an information provision method for examining active immunity. The present invention comprises (a) preparing a plurality of biological samples; (b) preparing a first reagent containing a vaccine antigen against SARS-CoV-2 or a protein antigen expressed by the vaccine, and a second reagent containing a protein derived from SARS-CoV-2 other than the antigen contained in the first reagent; c) preparing a plurality of mixed samples by mixing the biological samples with the reagents; d) preparing a plurality of detection reagents including a conjugate containing a signal generating means and an anti-interferon gamma antibody; (e) preparing a plurality of analyte samples by adding the detection reagent to the mixed sample; and (f) loading the analyte samples into a plurality of lateral flow cartridges and measuring signals from the cartridges using a signal detector.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 5, 2024
    Inventors: Dong Hwan Choi, Minsuk Kwon, Hee Jung Byun
  • Publication number: 20240295264
    Abstract: A shift-by-wire transmission system includes a body provided with a sensor therein; an operation portion assembly in which a magnet is provided within a detecting range of the sensor, wherein a gear shifting operation portion is rotated about an axis of the body so that the magnet is rotated with the gear shifting operation portion, and the gear shifting operation portion is moved in an axial direction of the body so that the magnet is linearly moved together with the gear shifting operation portion; and a controller configured to detect a variation in magnetic force of the magnet detected by the sensor according to a rotational displacement and a movement displacement of the magnet and detect a gear shifting signal corresponding to a gear shifting operation of the gear shifting operation portion.
    Type: Application
    Filed: October 30, 2023
    Publication date: September 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Bum Jun KIM, Kyeong Hwan CHOI, Sung Won CHO, Won LEE, In Hyuk IM
  • Patent number: 12082462
    Abstract: A display device includes a plurality of first constant voltage lines extended along a first direction and arranged along a second direction crossing the first direction, a plurality of second constant voltage lines extended along the second direction and arranged along the first direction, a first overlap area in which the plurality of first constant voltage lines and the plurality of second constant voltage lines overlap and contact each other, and a second overlap area in which the plurality of first constant voltage lines and the plurality of second constant voltage lines overlap and are insulated from each other.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hwan Cho, Ji Ryun Park, Ki Ho Bang, Won Suk Choi, Yoon Sun Choi
  • Patent number: 12078553
    Abstract: A temperature sensor and a method of controlling the temperature sensor are provided. The temperature sensor includes a voltage generator suitable for generating a temperature voltage that has a voltage level determined according to a temperature and a reference voltage that has a constant voltage level independent of a change in temperature, a code generator suitable for generating an initial code based on the temperature voltage and the reference voltage, and a code calibrator suitable for generating a calibrated code based on the initial code and a calibration factor.
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: September 3, 2024
    Assignee: SK hynix Inc.
    Inventor: Suk Hwan Choi
  • Publication number: 20240285491
    Abstract: The present invention relates to a transparent water-in-oil-type lip cosmetic composition comprising 2-10 wt % of water, 28-55 wt % of glycerin, and an oil phase, with respect to the total weight of the composition, and 50 wt % or more of octyldodecanol with respect to the total weight of the oil phase. The composition of the present invention has transparent appearance, thus imparting an aesthetic effect to products and at the same time, can impart gloss when applied onto lips, and can provide moisturization through the supply of moisture, and long-lasting coloring effect.
    Type: Application
    Filed: September 21, 2022
    Publication date: August 29, 2024
    Applicant: LG Household & Health Care Ltd.
    Inventors: Bo Mi Mi Kwon, Ji Young Kim, Khee Hwan Choi, Yeon Hee Kang
  • Publication number: 20240291048
    Abstract: A lithium secondary battery includes: a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. In the negative electrode, a negative electrode active layer containing a carbon-based negative electrode active material and a coating layer containing silicon-containing particles are sequentially located on a negative electrode current collector, and a volume resistance of the negative electrode is about 6.0×10?3 ?·cm to 1.0 ?·cm.
    Type: Application
    Filed: February 8, 2024
    Publication date: August 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seong Kyu Lee, Kyung Hwan Jung, Byoung Hyo Jung, Suk Woo Lee, Kyoung Min Choi, Min Guk Gu, Jun Min Kim, Ho Young Na
  • Patent number: 12073896
    Abstract: A memory system and a method of operating the memory system are provided. The memory system includes a plurality of semiconductor memory devices each of which includes a plurality of memory blocks. The memory system also includes a controller configured to control the plurality of semiconductor memory devices to perform a program operation, a read operation, and an operation of removing a hole in a space region on a target memory block of the plurality of memory blocks. The controller controls the plurality of semiconductor memory devices to perform the operation of removing the hole in the space region on the target memory block when an erase count of the target memory block of the plurality of memory blocks is greater than a set value.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: August 27, 2024
    Assignee: SK hynix Inc.
    Inventors: Gil Bok Choi, Moon Sik Seo, Dae Hwan Yun
  • Patent number: 12072438
    Abstract: The present disclosure relates to a device and method for detecting vertical misalignment of a vehicle radar device and vehicle radar device with the same. A radar device according to an embodiment determines a monitoring range including the ground in front by using the radar signal, determines an error of vertical angles for a number of ground distances within the monitoring range, and detects the vertical mounting misalignment of the radar device by using the error. According to embodiments, it is possible to accurately determine the vertical mounting misalignment of the radar device even if there is a road surface non-uniformity, road slope, or radar beam width change.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: August 27, 2024
    Assignee: HL KLEMOVE CORP.
    Inventors: Han Byul Lee, Ho Young Jin, Jae Hyun Han, Jung Hwan Choi, Jingu Lee
  • Publication number: 20240279296
    Abstract: A fusion protein contains an FGF21 mutant protein and an Fc region of an immunoglobulin. The fusion protein exhibits improved pharmacological efficacy, in vivo duration and protein stability. A pharmaceutical composition containing the fusion protein as an active ingredient may be effectively used as a therapeutic agent for diabetes, obesity, dyslipidemia, metabolic syndrome, non-alcoholic fatty liver disease or non-alcoholic steatohepatitis.
    Type: Application
    Filed: October 20, 2023
    Publication date: August 22, 2024
    Applicant: YUHAN CORPORATION
    Inventors: Jun Hwan KIM, Seyoung LIM, Minji SEO, Hyun Ho CHOI, Dohoon KIM, Mi Kyeong JU, Ju-Young PARK, Byung Hyun CHOI, Jun Kyung LEE, Jong Gyun KIM, Su Youn NAM
  • Publication number: 20240278768
    Abstract: The present invention relates to a power control method and apparatus for considering transient characteristics of a hybrid vehicle, and more particularly to a power control method and apparatus for maximizing performance in an actual operating environment of a hybrid vehicle by reducing fuel power supply transients. The present invention provides a method and apparatus for effectively solving an optimal power control problem without a fuel source transient model to reduce fuel source transients and maximize the performance of a hybrid vehicle in an actual operating environment.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 22, 2024
    Inventors: Kyung-Soo KIM, Kyung-Hwan CHOI, In-Gwun JANG
  • Patent number: D1041477
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: September 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Beom Ji, Jong Hyun Choi, Seung Min Lee, Dong Hwan Shim