Patents by Inventor Ho-Il Choi
Ho-Il 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).
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Patent number: 11968521Abstract: An audio apparatus includes a signal receiver configured to receive a left-channel signal and a right-channel signal of a stereo audio signal; at least one filter configured to block a signal in a band exceeding a predetermined frequency based on the frequency bands of each of the received left-channel signal and right-channel signal; and a controller configured to generate a center-channel signal of the stereo audio signal based on the left-channel signal and the right-channel signal passing through the filter, to calculate a signal level sensitivity between the left-channel signal and the right-channel signal passing through the filter, to determine a similarity between the left-channel signal and the right-channel signal based on the calculated signal level sensitivity, and to control the generated center-channel signal to be output in response to the determined similarity.Type: GrantFiled: August 8, 2019Date of Patent: April 23, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho Seok Wey, Min Kim, Tae Woo Kim, Young Jo Seo, Sang-Il Choi
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Publication number: 20240106362Abstract: A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.Type: ApplicationFiled: April 14, 2023Publication date: March 28, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Ho Rim CHOI, Seong Min KIM, Seon Mi LEE, Tae Il YOO, Seung Hyeon BIN
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Patent number: 11938827Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.Type: GrantFiled: July 13, 2022Date of Patent: March 26, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
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Patent number: 11924729Abstract: Disclosed is a lighting control system for directing a show. The system includes at least: a master device; and a plurality of slave devices that receive lighting control signals from the master device. The light control signals correspond to seats of a plurality of audiences in an auditorium. The plurality of slave devices receive position information indicating specific positions at which the plurality of slave devices emit a light, light-emitting status information including preset information to classify the plurality of slave devices into a plurality of groups, and group identification number information. The plurality of slave devices are grouped in accordance with received information. The master device controls the grouped plurality of slave devices to emit a light per group basis by broadcasting the lighting control signals including group light-emitting pattern information for each of the plurality of groups of the plurality of slave devices.Type: GrantFiled: March 1, 2023Date of Patent: March 5, 2024Assignee: Hanam Artec Co., Ltd.Inventors: Gil Won Lee, Ho Lim Song, Jung Min Choi, Kyung Il Choi
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Patent number: 11739159Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody, a pharmaceutical composition for prevention or treatment of cancer, comprising the same antibody, conjugate or bispecific antibody, and a nucleic acid encoding the same antibody, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: GrantFiled: July 12, 2022Date of Patent: August 29, 2023Assignee: PEPTRON, INC.Inventors: Kyung Duk Moon, Ho Il Choi
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Patent number: 11739158Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody, a pharmaceutical composition for prevention or treatment of cancer, comprising the same antibody, conjugate or bispecific antibody, and a nucleic acid encoding the same antibody, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: GrantFiled: July 11, 2022Date of Patent: August 29, 2023Assignee: PEPTRON, INC.Inventors: Kyung Duk Moon, Ho Il Choi
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Patent number: 11718684Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate comprising the antibody or the antigen-binding fragment thereof, and a pharmaceutical composition for prevention or treatment of cancer comprising the conjugate. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate in which the antibody or the antigen-binding fragment thereof is conjugated with a drug can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: GrantFiled: December 9, 2020Date of Patent: August 8, 2023Assignee: PEPTRON, INC.Inventors: Kyung Duk Moon, Ho Il Choi
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Publication number: 20230092610Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody, a pharmaceutical composition for prevention or treatment of cancer, comprising the same antibody, conjugate or bispecific antibody, and a nucleic acid encoding the same antibody, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: ApplicationFiled: July 11, 2022Publication date: March 23, 2023Inventors: Kyung Duk MOON, Ho Il CHOI
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Publication number: 20230055818Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody, a pharmaceutical composition for prevention or treatment of cancer, comprising the same antibody, conjugate or bispecific antibody, and a nucleic acid encoding the same antibody, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: ApplicationFiled: July 12, 2022Publication date: February 23, 2023Inventors: Kyung Duk MOON, Ho Il CHOI
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Patent number: 11472887Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody, a pharmaceutical composition for prevention or treatment of cancer, comprising the same antibody, conjugate or bispecific antibody, and a nucleic acid encoding the same antibody, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell. According to the present invention, the antibody shows outstanding affinity and binding force to MUC1 and the antibody-drug conjugate can bind specifically to a MUC1-expressing cell to specifically or selectively transfer the drug with efficacy. Therefore, the anti-MUC1 antibody and the antibody-drug conjugate according to the present invention can be usefully applied to the treatment of a MUC1-related disease, for example, cancer.Type: GrantFiled: March 21, 2018Date of Patent: October 18, 2022Assignee: PEPTRON, INC.Inventors: Kyung Duk Moon, Ho Il Choi
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Publication number: 20220273769Abstract: A GLP-1 receptor agonist has effects of reducing serious side effects due to long-term use of levodopa when administered in combination with levodopa, and also effects of alleviating or improving abnormal involuntary movements (AIMs) caused by levodopa. A method for prevention or treatment of levodopa-induced dyskinesia according to an embodiment of the present disclosure includes administering a glucagon-like peptide-1 (GLP-1) receptor agonist to a patient.Type: ApplicationFiled: July 29, 2020Publication date: September 1, 2022Inventor: Ho Il CHOI
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Publication number: 20210115153Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) and a use thereof and, more particularly, to an anti-MUC1 antibody or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody or an antigen-binding fragment thereof, a pharmaceutical composition for prevention or treatment of cancer, comprising the same conjugate or bispecific antibody, and a nucleic acid encoding the same antibody or an antigen-binding fragment thereof, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell.Type: ApplicationFiled: December 9, 2020Publication date: April 22, 2021Inventors: Kyung Duk MOON, Ho Il CHOI
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Publication number: 20200024361Abstract: The present invention relates to an anti-MUC1 antibody binding specifically to Mucin 1 (MUC1) and a use thereof and, more particularly, to an anti-MUC1 antibody or an antigen-binding fragment thereof, an antibody-drug conjugate or bispecific antibody comprising the antibody or an antigen-binding fragment thereof, a pharmaceutical composition for prevention or treatment of cancer, comprising the same conjugate or bispecific antibody, and a nucleic acid encoding the same antibody or an antigen-binding fragment thereof, a vector and a host cell, both carrying the same nucleic acid, and a method for preparing an anti-MUC1 antibody or an antigen-binding fragment thereof, using the same vector and host cell.Type: ApplicationFiled: March 21, 2018Publication date: January 23, 2020Inventors: Kyung Duk MOON, Ho Il CHOI
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Patent number: 9877922Abstract: Disclosed is a process of preparing sustained release microspheres, containing a biodegradable polymer as a carrier and a drug, using spray drying. The process comprises preparing a solution, suspension or emulsion containing a biodegradable polymer, a drug and a solvent; spray drying the solution, suspension or emulsion; and suspending spray-dried microspheres in an aqueous solution containing polyvinyl alcohol to remove the residual solvent and increase the hydrophilicity of the microsphere surface. The process enables the preparation of microspheres having high drug encapsulation efficiency, almost not having a toxicity problem due to the residual solvent, and having good syringeability. The microspheres prepared according to the present invention release an effective concentration of a drug in a sustained manner for a predetermined period when administered to the body, and are thus useful in the treatment of diseases.Type: GrantFiled: April 24, 2009Date of Patent: January 30, 2018Assignees: Peptron Co., Ltd., Daewoong Pharmaceutical Co., Ltd.Inventors: Hee-Yong Lee, Jung-Soo Kim, Eun-Ho Shin, Seong-Kyu Kim, Eun-Young Seol, Mi-Jin Baek, Mi-Young Baek, Yeon-Jin Chae, Ho-Il Choi, Juhan Lee
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Patent number: 9776201Abstract: An ultrasonic atomizer for maintaining a constant temperature of an ultrasonic vibration generating unit by decreasing a temperature at the periphery of the ultrasonic vibration generating unit even under an environment in which the ultrasonic vibration generating unit is exposed to a high temperature is provided. The ultrasonic atomizer includes: an ultrasonic vibration generating unit which generates ultrasonic waves and atomizes a spray material; a nozzle unit; a heat exchange unit which cools heat generated from the ultrasonic vibration generating unit; and a housing which has heat exchange chambers, where the heat exchange chambers include: a vortex chamber which is positioned in the housing at the periphery of the ultrasonic vibration generating unit and guides a vortex flow; and a thermal insulation chamber which surrounds the vortex chamber and has a separation wall which abuts the vortex chamber, and includes an internal thermal insulation space.Type: GrantFiled: August 19, 2014Date of Patent: October 3, 2017Assignee: PEPTRON, INC.Inventors: Joon Sik Kim, Ju Han Lee, Dong Pil Won, Jin Woo Lee, Ho Il Choi
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Patent number: 9757757Abstract: An ultrasonic atomizer for maintaining a constant temperature of an ultrasonic vibration generating unit by decreasing a temperature at the periphery of the ultrasonic vibration generating unit even under an environment in which the ultrasonic vibration generating unit is exposed to a high temperature is provided. The ultrasonic atomizer includes: an ultrasonic vibration generating unit which generates ultrasonic waves and atomizes a spray material; a nozzle unit; a housing; and a heat exchange unit which surrounds the ultrasonic vibration generating unit, includes a separation wall which divides the heat exchange unit into heat exchange chambers, and cools heat generated from the ultrasonic vibration generating unit, in which the heat exchange chambers include: a heating chamber; and a cooling chamber which surrounds the heating chamber, and includes a cooling space by being isolated with the heat exchange unit abutting the heating chamber between the cooling chamber and the heating chamber.Type: GrantFiled: August 19, 2014Date of Patent: September 12, 2017Assignee: PEPTRON, INC.Inventors: Joon Sik Kim, Ju Han Lee, Dong Pil Won, Jin Woo Lee, Ho Il Choi
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Publication number: 20160263612Abstract: An ultrasonic atomizer for maintaining a constant temperature of an ultrasonic vibration generating unit by decreasing a temperature at the periphery of the ultrasonic vibration generating unit even under an environment in which the ultrasonic vibration generating unit is exposed to a high temperature is provided. The ultrasonic atomizer includes: an ultrasonic vibration generating unit which generates ultrasonic waves and atomizes a spray material; a nozzle unit a heat exchange unit which cools heat generated from the ultrasonic vibration generating unit; and a housing which has heat exchange chambers, where the heat exchange chambers include: a vortex chamber which is positioned in the housing at the periphery of the ultrasonic vibration generating unit and guides a vortex flow; and a thermal insulation chamber which surrounds the vortex chamber and has a separation wall which abuts the vortex chamber, and includes an internal thermal insulation space.Type: ApplicationFiled: August 19, 2014Publication date: September 15, 2016Applicant: PEPTRON INC.Inventors: Joon Sik KIM, Ju Han LEE, Dong Pil WON, Jin Woo LEE, Ho Il CHOI
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Publication number: 20160263611Abstract: An ultrasonic atomizer for maintaining a constant temperature of an ultrasonic vibration generating unit by decreasing a temperature at the periphery of the ultrasonic vibration generating unit even under an environment in which the ultrasonic vibration generating unit is exposed to a high temperature is provided. The ultrasonic atomizer includes: an ultrasonic vibration generating unit which generates ultrasonic waves and atomizes a spray material; a nozzle unit; a housing; and a heat exchange unit which surrounds the ultrasonic vibration generating unit, includes a separation wall which divides the heat exchange unit into heat exchange chambers, and cools heat generated from the ultrasonic vibration generating unit, in which the heat exchange chambers include: a heating chamber; and a cooling chamber which surrounds the heating chamber, and includes a cooling space by being isolated with the heat exchange unit abutting the heating chamber between the cooling chamber and the heating chamber.Type: ApplicationFiled: August 19, 2014Publication date: September 15, 2016Inventors: Joon Sik KIM, Ju Han LEE, Dong Pil WON, Jin Woo LEE, Ho Il CHOI
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Patent number: 9155702Abstract: A controlled-release composition and controlled-release microspheres containing an exendin as an active ingredient, and a method of preparing the same are provided. More specifically, a controlled-release composition containing an exendin as an active ingredient, a biodegradable polymer with a specific viscosity, and coating materials, having high bioavailability and showing sustained release of the active ingredient in an effective concentration for a certain period without an excessive initial burst of the active ingredient; controlled-release microspheres containing a core including an exendin as an active ingredient and a biodegradable polymer, and a coating layer coating the core; and a method of preparing controlled-release microspheres including the steps of mixing an exendin, a biodegradable polymer, and a solvent, removing the solvent from the mixture to prepare hardened microspheres, and coating the hardened microspheres to form a coating layer on the surface of each microsphere, are provided.Type: GrantFiled: January 22, 2008Date of Patent: October 13, 2015Assignee: PEPTRON CO., LTDInventors: Hee-Yong Lee, Eun-Young Seol, Joon-Sik Kim, Mi-Jin Baek, Jung-Soo Kim, Ju-Han Lee, Yeon-Jin Chae, Chae-Jin Lim, Mi-Young Baek, Ho-Il Choi
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Patent number: 8829044Abstract: The present invention relates to a stabilized vitamin C derivative with a peptide molecule linked to vitamin C or a pharmaceutically acceptable salt thereof, a method of preparing the same, and a composition containing the same.Type: GrantFiled: September 5, 2006Date of Patent: September 9, 2014Assignee: Peotron Co. Ltd.Inventors: Jong-Il Park, Heung-Jae Kim, Dong-Won Kim, Chae-Jin Lim, Jong-Phil Kang, Kyeong-Yong Park, Seok-Jeong Yoon, Seon-Deok Kwon, Ho-Il Choi