Patents by Inventor Joon-Ho Choi

Joon-Ho 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).

  • Patent number: 11957669
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 16, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho Choi, Won Kyung Cho, Kwang-Hyun Shin, Byoung Young Woo, Ki-Wha Lee, Min-Soo Kim, Jong Hwa Roh, Mi Young Park, Young-Ho Park, Eun Sil Park, Jae Hong Park
  • Publication number: 20240111189
    Abstract: A display apparatus includes a liquid crystal panel disposed on a back-light unit; and a viewing angle control unit disposed between the back-light unit and the liquid crystal panel, wherein the viewing angle control unit includes light-blocking patterns having a light-blocking material and variable patterns disposed between a first control electrode and a second control electrode, wherein the variable patterns are extended in a direction perpendicular to the light-blocking patterns, and wherein transmittance of each variable pattern is changed according to a voltage applied to the first control electrode and the second control electrode, thereby preventing a distraction of people around a user by selectively sharing a realized image.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Jae Yeong CHOI, Joon Ho LEE, Dae Yun IM
  • Patent number: 11940734
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space therein; a supply line having a first open/close valve installed thereon and configured to supply a treating fluid to the treating space; a heater installed on the supply line and configured to heat the treating fluid; an exhaust line having a second open/close valve installed thereon and configured to exhaust the treating space; and, a controller configured to control the first open/close value and the second open/close valve such that the treating fluid heated is supplied to and exhausted from the treating space before a treating process is performed on a substrate in the treating space.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: March 26, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Ki Hoon Choi, Eung Su Kim, Pil Kyun Heo, Jin Yeong Sung, Hae-Won Choi, Anton Koriakin, Joon Ho Won
  • Publication number: 20240090318
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Inventors: Se-Jin LEE, Seok-Bae PARK, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • 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
  • Patent number: 11923216
    Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 5, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.
    Inventors: Seung Min Shin, Sang Jin Park, Hae Won Choi, Jang Jin Lee, Ji Hwan Park, Kun Tack Lee, Koriakin Anton, Joon Ho Won, Jin Yeong Sung, Pil Kyun Heo
  • Publication number: 20230017150
    Abstract: A hydrogel stent for cerebral aneurysm includes a hydrogel polymer, and a stent body wrapping at least a portion of the hydrogel polymer. The stent body is expandable in a cerebral aneurysm of a blood vessel. The stent body is provided in a mesh type surrounding at least a portion of the hydrogel polymers. An embolization device for cerebral aneurysm, includes a hydrogel stent for cerebral aneurysm; a micro-conduit providing a movement path for guiding the hydrogel stent to a cerebral aneurysm of a blood vessel; and a pusher wire connected to the hydrogel stent to be movable in the movement path.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Applicants: THE ASAN FOUNDATION, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Deok Hee LEE, Seon Moon HWANG, Joon Ho CHOI
  • Publication number: 20220265279
    Abstract: An anchor for an embolic coil, and an embolic coil including the same are provided. The anchor for an embolic coil includes a hollow main body and a central shaft arranged in the hollow main body, wherein the hollow main body is made of a braided composite filament including a polymer filament and a first alloy filament, and the central shaft includes a second alloy filament that is a material different from the first alloy filament.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 25, 2022
    Inventors: Deok Hee LEE, Hong Hee JUNG, Eu Gene LIH, Dae Hyung LEE, Seung Hyun LEE, Ye Ji CHOI, Mi Ri KIM, Yun Sun SONG, Seon Moon HWANG, Joon Ho CHOI, Tae Il KIM, Seng Yong CHUN, Jun Hyun KIM, Jun Young MAENG, Ga Young LEE
  • Publication number: 20220184317
    Abstract: The present invention may provide a medical syringe comprising: a cylinder including a stopper protruding inward; and a plunger disposed inside the cylinder so as to move back and forth in a first direction, wherein the plunger includes a plurality of protrusions, and the plurality of protrusions are arranged at intervals along the longitudinal direction of the plunger, and based on the first direction, any one of the stopper or the plurality of protrusions is arranged so as to be selectively overlapped according to the rotation of the plunger.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 16, 2022
    Inventors: Sun CHUNG, Kyung Ah KIM, Seon Moon HWANG, Joon Ho CHOI, Yun Sun SONG, Deok Hee LEE
  • Publication number: 20200215040
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Application
    Filed: August 10, 2018
    Publication date: July 9, 2020
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho CHOI, Won Kyung CHO, Kwang-Hyun SHIN, Byoung Young WOO, Ki-Wha LEE, Min-Soo KIM, Jong Hwa ROH, Mi Young PARK, Young-Ho PARK, Eun Sil PARK, Jae Hong PARK
  • Patent number: 9997919
    Abstract: An apparatus for operating a distributed generator in connection with a power system includes an input unit which receives a parameter calculated using power system information and a voltage and a current at a point of common coupling with the distributed generator, with which the distributed generator is connected, a calculation unit which calculates an operating power factor instruction value and an active output instruction value using the parameter and the voltage and current at the point of common coupling with the distributed generator input to the input unit, and a control communication unit which determines and transmits the operating power factor instruction value and the active output instruction value according to the voltage at the point of common coupling with the distributed generator input to the input unit and an admissible voltage upper limit at the point of common coupling with the distributed generator to the distributed generator.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: June 12, 2018
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Seong Soo Cho, Won Wook Jung, Il Keun Song, Sang Ok Kim, Joon Ho Choi
  • Publication number: 20160072290
    Abstract: An apparatus for operating a distributed generator in connection with a power system includes an input unit which receives a parameter calculated using power system information and a voltage and a current at a point of common coupling with the distributed generator, with which the distributed generator is connected, a calculation unit which calculates an operating power factor instruction value and an active output instruction value using the parameter and the voltage and current at the point of common coupling with the distributed generator input to the input unit, and a control communication unit which determines and transmits the operating power factor instruction value and the active output instruction value according to the voltage at the point of common coupling with the distributed generator input to the input unit and an admissible voltage upper limit at the point of common coupling with the distributed generator to the distributed generator.
    Type: Application
    Filed: September 27, 2013
    Publication date: March 10, 2016
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Seong Soo CHO, Won Wook JUNG, Il Keun SONG, Sang Ok KIM, Joon Ho CHOI
  • Patent number: 8045787
    Abstract: Provided are a system for analyzing a mask topography, which can reduce calculation time and increase calculation accuracy in consideration of a mask topography effect, and a method of forming an image using the system. The system and method simultaneously obtains a first electric field using a Kirchhoff method without considering a pitch formed on a mask and obtains a second electric field using an electromagnetic field analysis method considering the pitch, and then determines a third electric field on a pupil surface of a projection lens by combining the first electric field and the second electric field of forming an image, so as to calculate the image of an optical lithography system which includes an illumination system and a projection optical system and to which the projection lens belongs.
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-han Choi, Yong-jin Chun, Moon-hyun Yoo, Joon-ho Choi, Ji-suk Hong
  • Publication number: 20100052881
    Abstract: The present invention relates to a button starting system for a vehicle which is able to stably start up by using an LF antenna installed in the vehicle in an emergency of a smart key. According to the system, the necessity of installation of a key holder can be removed.
    Type: Application
    Filed: June 10, 2009
    Publication date: March 4, 2010
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jeong Ki Lee, Eun Beom Choi, Joon Ho Choi, Sin Gu Kim
  • Patent number: 7506284
    Abstract: A method for simulating an integrated circuit includes performing a power supply voltage tuning operation to find a power supply voltage at which a simulation of the integrated circuit at an operating frequency passes a functional requirement, identifying a weak signal node based on the simulation result, and performing a size tuning operation on the weak signal node of the integrated circuit.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: March 17, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seuk-Whan Lee, Moon-Hyun Yoo, Joon-Ho Choi
  • Publication number: 20080175432
    Abstract: Provided are a system for analyzing a mask topography, which can reduce calculation time and increase calculation accuracy in consideration of a mask topography effect, and a method of forming an image using the system. The system and method simultaneously obtains a first electric field using a Kirchhoff method without considering a pitch formed on a mask and obtains a second electric field using an electromagnetic field analysis method considering the pitch, and then determines a third electric field on a pupil surface of a projection lens by combining the first electric field and the second electric field of forming an image, so as to calculate the image of an optical lithography system which includes an illumination system and a projection optical system and to which the projection lens belongs.
    Type: Application
    Filed: January 7, 2008
    Publication date: July 24, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Soo-han Choi, Yong-jin Chun, Moon-hyun Yoo, Joon-ho Choi, Ji-suk Hong
  • Patent number: 7100125
    Abstract: Functional and temporal aggressor classification methods that provide increased efficiency and accuracy for classifying aggressor signal lines of an integrated circuit for purposes of analyzing crosstalk of the circuit.
    Type: Grant
    Filed: June 8, 2003
    Date of Patent: August 29, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Seok Yang, Jeong-Taek Kong, Moon-Hyun Yoo, Jeong-Yeol Kim, Joon-Ho Choi
  • Publication number: 20060190862
    Abstract: A method for simulating an integrated circuit includes performing a power supply voltage tuning operation to find a power supply voltage at which a simulation of the integrated circuit at an operating frequency passes a functional requirement, identifying a weak signal node based on the simulation result, and performing a size tuning operation on the weak signal node of the integrated circuit.
    Type: Application
    Filed: January 19, 2006
    Publication date: August 24, 2006
    Inventors: Seuk-Whan Lee, Moon-Hyun Yoo, Joon-Ho Choi
  • Publication number: 20030229869
    Abstract: Functional and temporal aggressor classification methods that provide increased efficiency and accuracy for classifying aggressor signal lines of an integrated circuit for purposes of analyzing crosstalk of the circuit.
    Type: Application
    Filed: June 8, 2003
    Publication date: December 11, 2003
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-Seok Yang, Jeong-Taek Kong, Moon-Hyun Yoo, Jeong-Yeol Kim, Joon-Ho Choi
  • Patent number: 5064759
    Abstract: A new polysaccharide polymer and a process for producing the same are disclosed. The polysaccharide polymer as a biopolymer can be produced by culturing a heteropolysaccharide-producing strain of Methylobacterium organophilum on a aqueous culture medium containing methanol as a source of carbon and energy.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: November 12, 1991
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: J. M. Lebeault, Jung-Hoe Kim, Joon-Ho Choi