Patents by Inventor Ran Choi

Ran 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: 20240116882
    Abstract: The present invention relates to a novel benzotriazole derivative compound, a tautomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are related to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 11, 2024
    Applicant: TXINNO BIOSCIENCE INC.
    Inventors: Chan Sun Park, Sung Joon Kim, Ali Imran, Yoo Jin Na, So Ra Paik, Jung Hwan Choi, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
  • Patent number: 11956996
    Abstract: A display panel includes a substrate having a first area in which first pixels are disposed and a second area in which second pixels and a light-transmitting area disposed between the second pixels are disposed, and a polarizing plate disposed above the light-transmitting area and including a light-transmitting pattern having a light transmittance higher than that of the remaining area, wherein the substrate includes a high-transmission area having a higher light transmittance than the remaining portion in a position corresponding to the second area.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung Hun Choi, Sung Jin Park, Mi Ran Rim, Min Ha Kang
  • Publication number: 20240113297
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a positive electrode active material comprising a first and second sulfur-carbon composites respectively comprising a first and a second carbonaceous materials having a different specific surface area and pore volume from each other, and provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a secondary battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Patent number: 11935758
    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: April 27, 2020
    Date of Patent: March 19, 2024
    Assignee: Lam Research Corporation
    Inventors: Wenbing Yang, Mohand Brouri, Samantha SiamHwa Tan, Shih-Ked Lee, Yiwen Fan, Wook Choi, Tamal Mukherjee, Ran Lin, Yang Pan
  • Publication number: 20240079588
    Abstract: A method for preparing a sulfur-carbon composite including a step of pretreating a carbon material is provided. The method is capable of removing water and other impurities from the carbon material effectively, and the sulfur-carbon composite obtained by the method used as a positive electrode active material of a lithium-sulfur battery provides improved sulfur supportability and over-voltage performance of the lithium-sulfur battery, reduced initial irreversible capacity of the positive electrode active material, and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 7, 2024
    Inventors: In-Tae Park, Myeong-Jun Song, Yong-Hwi Kim, Seong-Hyo Park, Hyun-Soo Lee, Ran Choi
  • Publication number: 20240055580
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a BET specific surface area of larger than 1,600 m2/g and a particle diameter (D50) of primary particles of equal to or larger than 500 nm and less than 8 ?m provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a lithium-sulfur battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 15, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Patent number: 11880421
    Abstract: Disclosed herein are an apparatus and method for providing a search service based on important sentences. The apparatus for providing a search service based on important sentences includes memory in which at least one program and a previously trained word importance measurement model are recorded and a processor for executing the program. The program may include a word importance measurement unit for measuring the importance of each of multiple words included in input text in the corresponding input text based on the word importance measurement model and a sentence importance measurement unit for measuring the importance of each of at least one sentence included in the text based on the measured importance of each of the multiple words.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: January 23, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong-Jin Bae, Joon-Ho Lim, Min-Ho Kim, Hyun Kim, Hyun-Ki Kim, Ji-Hee Ryu, Kyung-Man Bae, Hyung-Jik Lee, Soo-Jong Lim, Myung-Gil Jang, Mi-Ran Choi, Jeong Heo
  • Publication number: 20240002269
    Abstract: Disclosed is a heat exchange system between an external plan such as a data center and a water treatment device of a sewage treatment plant. The present system includes a hot-air supply unit that supplies heat generated from the external plant to a reactor using microorganisms in the water treatment device, and a coolant supply unit that supplies treated water discharged from the water treatment device to the external plant as a coolant for heat dissipation of the external plant. It is possible to simultaneously solve various problems in terms of environmental and economic aspects by enabling complementary heat exchange between the external plant and the sewage treatment plant.
    Type: Application
    Filed: November 9, 2021
    Publication date: January 4, 2024
    Applicant: BKT CO., LTD.
    Inventors: Minyoung KIM, Dongwoo KIM, Sukwoo KIM, Munchin CHOI, Shinjoh KANG, Junghoon KIM, Chunwoo LEE, Daehwan RHU, Jaemin KIM, Ran CHOI, Jungjoon HWANG, Dongsun LEE, Mingyun KIM, Sehee PARK, Jinseok BAE, Yunwoo NAM, Yunjin KIM, Sein MOON
  • Publication number: 20230387414
    Abstract: A slurry composition, and a positive electrode and a lithium secondary battery including the same are provided. The slurry composition includes a positive electrode active material, an electrically conductive material, a binder, a thickener comprising a lithiated carboxymethyl cellulose, an additive comprising a carbodiimide-based compound, and a solvent, and provides an improved processability in a slurry coating process for manufacturing a positive electrode for a lithium secondary battery due to its thixotropy by which sufficient flowability to flexibly respond to changes in slurry coating rate is secured.
    Type: Application
    Filed: July 7, 2022
    Publication date: November 30, 2023
    Inventors: Choonghyeon Lee, Taek Gyoung Kim, Ran Choi
  • Publication number: 20230378472
    Abstract: A slurry composition, and a positive electrode and a lithium secondary battery including the same are provided. The slurry composition includes a positive electrode active material, an electrically conductive material, a binder, a thickener comprising a lithiated carboxymethyl cellulose, an additive comprising a succinimide-based compound, and a solvent, and provides an improved processability in a slurry coating process for manufacturing a positive electrode for a lithium secondary battery, due to its thixotropy by which sufficient flowability to flexibly respond to changes in slurry coating rate is secured.
    Type: Application
    Filed: July 7, 2022
    Publication date: November 23, 2023
    Inventors: Choonghyeon Lee, Taek Gyoung Kim, Ran Choi
  • Publication number: 20230290962
    Abstract: A method for preparing a support for an electrode catalyst including forming first and second polymer layers having charges different from each other on a surface of a carbon support and carbonizing the result, wherein the polymers included in the first and the second polymer layers are an aromatic compound including a heteroatom, and the first or the second polymer includes a pyridine group.
    Type: Application
    Filed: April 28, 2023
    Publication date: September 14, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Wonkyun LEE, Sang Hoon KIM, Gyo Hyun HWANG, Jun Yeon CHO, Kwanghyun KIM, Ran CHOI
  • Publication number: 20230268617
    Abstract: A lithium-sulfur battery which is capable of achieving high discharge capacity of sulfur (S) with a small amount of a positive electrode material is provided. The lithium-sulfur battery reduces cost for manufacturing a positive electrode due to the use of a dry manufacturing method including compressing a positive electrode active material powder into a predetermined shape without preparing a slurry for an electrode active material layer in the manufacture of the positive electrode. Using a multi-layered separator, the lithium-sulfur battery is capable of solving the nonuniform reactivity problem of the positive electrode manufactured by the dry manufacturing method.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Hyun-Soo Lee, Seong-Hyo Park, In-Tae Park, Yong-Hwi Kim, Myeong-Jun Song, Ran Choi
  • Patent number: 11699795
    Abstract: A method for preparing a support for an electrode catalyst including forming first and second polymer layers having charges different from each other on a surface of a carbon support and carbonizing the result, wherein the polymers included in the first and the second polymer layers are an aromatic compound including a heteroatom, and the first or the second polymer includes a pyridine group.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: July 11, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Wonkyun Lee, Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho, Kwanghyun Kim, Ran Choi
  • Publication number: 20230187657
    Abstract: A carrier-nanoparticle complex, a catalyst including the same, an electrochemical cell including the catalyst, and a method for preparing a carrier-nanoparticle complex.
    Type: Application
    Filed: February 7, 2023
    Publication date: June 15, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Wonkyun LEE, Sang Hoon KIM, Gyo Hyun HWANG, Jun Yeon CHO, Kwanghyun KIM, Ran CHOI
  • Patent number: 11677089
    Abstract: The present specification relates to a carrier-nanoparticle complex, a catalyst including the same, an electrochemical cell or a fuel cell including the catalyst, and a method for preparing the same.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: June 13, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Ran Choi, Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho, Kwanghyun Kim, Wonkyun Lee
  • Publication number: 20230105610
    Abstract: Disclosed herein are an apparatus and method for providing a search service based on important sentences. The apparatus for providing a search service based on important sentences includes memory in which at least one program and a previously trained word importance measurement model are recorded and a processor for executing the program. The program may include a word importance measurement unit for measuring the importance of each of multiple words included in input text in the corresponding input text based on the word importance measurement model and a sentence importance measurement unit for measuring the importance of each of at least one sentence included in the text based on the measured importance of each of the multiple words.
    Type: Application
    Filed: November 24, 2021
    Publication date: April 6, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong-Jin BAE, Joon-Ho LIM, Min-Ho KIM, Hyun KIM, Hyun-Ki KIM, Ji-Hee RYU, Kyung-Man BAE, Hyung-Jik LEE, Soo-Jong LIM, Myung-Gil JANG, Mi-Ran CHOI, Jeong HEO
  • Patent number: 11374230
    Abstract: A method for preparing a catalyst for a fuel cell including performing a first supporting; separating particles unsupported in the first supporting; heat treating; and performing a second supporting, and a catalyst for a fuel cell prepared using the same.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 28, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Wonkyun Lee, Sang Hoon Kim, Gyo Hyun Hwang, Jun Yeon Cho, Kwanghyun Kim, Ran Choi
  • Patent number: 11331039
    Abstract: An image acquisition unit configured to acquire an image representing a three-dimensional shape of a surface of a human body, a spinal-column arrangement estimation-unit configured to estimate spinal-column arrangement of the human body using accumulated data, and an angle calculation unit configured to calculate at least one of a Cobb angle and a rotation angle from the estimated spinal-column arrangement are included.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 17, 2022
    Assignee: Keio University
    Inventors: Morio Matsumoto, Kota Watanabe, Yoshimitsu Aoki, Ran Choi
  • Patent number: 11332617
    Abstract: A polyarylene sulfide resin composition contains a polyarylene sulfide resin, a transition metal particle, a fibrous inorganic filler, and an inorganic nucleating agent, and a molded article made from the resin composition. The resin composition has excellent mechanical, corrosion, and haze properties, and heat resistance. The resin composition prevents corrosion of a mold and deterioration in the durability of a manufactured product upon injection by effectively removing halogen-based impurities, and also has excellent mechanical, corrosion, and haze properties, and heat resistance. A molded article manufactured from the resin composition satisfies the standards required for components of a vehicle and an electric/electronic device.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: May 17, 2022
    Assignee: HDC POLYALL CO.. LTD.
    Inventors: Hyeoung-geun Oh, Jong-Wook Shin, Myung-wook Jung, Se-ran Choi, Hae-ri Kim
  • Publication number: 20220108076
    Abstract: The present invention relates to an apparatus and method for automatically generating machine reading comprehension training data, and more particularly, to an apparatus and method for automatically generating and managing machine reading comprehension training data based on text semantic analysis. The apparatus for automatically generating machine reading comprehension training data according to the present invention includes a domain selection text collection unit configured to collect pieces of text data according to domains and subjects, a paragraph selection unit configured to select a paragraph using the pieces of collected text data and determine whether questions and correct answers are generatable, and a question and correct answer generation unit configured to generate questions and correct answers from the selected paragraph.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 7, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Jin BAE, Joon Ho LIM, Min Ho KIM, Hyun KIM, Hyun Ki KIM, Ji Hee RYU, Kyung Man BAE, Hyung Jik LEE, Soo Jong LIM, Myung Gil JANG, Mi Ran CHOI, Jeong HEO