Patents by Inventor Dong Hwan Choi
Dong 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).
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Patent number: 11361984Abstract: A substrate processing apparatus may include a first disk provided in a chamber and configured to perform a turning motion and to include a plurality of seating holes periodically arranged within a specific radius from a center axis, a plurality of second disks provided in the seating holes, respectively, and configured to perform a revolving and rotating motion in accordance with the turning motion of the first disk, a first rotary connector structure provided between the second disk and the seating hole to allow for a rotating motion of and for an electric connection to the second disk, an electrostatic chuck provided on the second disk and configured to hold a substrate using an electric power supplied through the first rotary connector structure, and a first magnetic gear fixed to the second disk and configured to exert a torque on the second disk, and a second magnetic gear.Type: GrantFiled: August 22, 2017Date of Patent: June 14, 2022Inventors: Seung Chul Shin, Jin Hyuk Yoo, Min Su Lee, Dong Hwan Choi
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Publication number: 20220011305Abstract: An apparatus for easily and conveniently diagnosing tuberculosis including a blood collecting device is provided. The blood collecting device comprises a support part including a first surface, a second surface formed opposite to the first surface, and a communication hole through which a solution is movable. The communication hole is formed between the first surface and the second surface. A blood collecting tip is attached to the first surface and has a capillary tube connected to the communication hole. According to the present disclosure, a small amount of peripheral blood is collected using a capillary phenomenon and the collected whole blood is used as it is without separating a blood corpuscle therefrom by centrifugation and the like to diagnose tuberculosis.Type: ApplicationFiled: February 25, 2019Publication date: January 13, 2022Inventors: Dong Hwan Choi, Kyungjoon Kang, Won Hee Lee
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Publication number: 20210291415Abstract: Provided are a vehicular interior material manufacturing method and a vehicular interior material, the method comprising the steps of: forming a molded article including a surface having an uneven shape; and forming a printing layer on the surface of the molded article by using a predetermined blanket.Type: ApplicationFiled: September 27, 2017Publication date: September 23, 2021Inventors: Jae-Youl JOUNG, Yeon-Wook CHOI, Yong-Gu KWON, Dong-Hwan CHOI
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Publication number: 20200335387Abstract: A substrate processing apparatus may include a first disk provided in a chamber and configured to perform a turning motion and to include a plurality of seating holes periodically arranged within a specific radius from a center axis, a plurality of second disks provided in the seating holes, respectively, and configured to perform a revolving and rotating motion in accordance with the turning motion of the first disk, a first rotary connector structure provided between the second disk and the seating hole to allow for a rotating motion of and for an electric connection to the second disk, an electrostatic chuck provided on the second disk and configured to hold a substrate using an electric power supplied through the first rotary connector structure, and a first magnetic gear fixed to the second disk and configured to exert a torque on the second disk, and a second magnetic gear provided in the chamber to be interact with the first magnetic gear but prevented from turning.Type: ApplicationFiled: August 22, 2017Publication date: October 22, 2020Inventors: Seung Chul SHIN, Jin Hyuk YOO, Min Su LEE, Dong Hwan CHOI
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Patent number: 10798272Abstract: Provided is a shell-type monitoring apparatus. The shell-type monitoring apparatus includes a body, a gas storage provided in the body and configured to store a gas, a variable volume portion provided on the gas storage in the body and having a volume that varies depending on an amount of gas supplied from the gas storage, a photographing unit provided on the body and configured to move in the body, and a moving flow path provided in the body and configured to supply the gas in the variable volume portion to the photographing unit and thereby move the photographing unit.Type: GrantFiled: June 27, 2016Date of Patent: October 6, 2020Assignee: HANWHA DEFENSE CO., LTD.Inventors: Dong Hwan Choi, Seong Jun Cheon, Yong Joon Chang
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Patent number: 10663258Abstract: Provided are a gunnery control system and a gunnery control method using the gunnery control system. The gunnery control system includes: an imaging device configured to photograph a target and to measure a distance to the target and a degree of a turning angle to the target; a gunnery device configured to fire at the target; and a controller configured to receive, from the imaging device, location information of the imaging device, the gunnery device, and the target, and to control a firing operation of the gunnery device by using the location information, wherein the controller is further configured to control a location and a photographing direction of the imaging device and to control a location and a firing direction of the gunnery device.Type: GrantFiled: December 14, 2016Date of Patent: May 26, 2020Assignee: HANWHA DEFENSE CO., LTD.Inventor: Dong Hwan Choi
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Publication number: 20180372451Abstract: Provided are a gunnery control system and a gunnery control method using the gunnery control system. The gunnery control system includes: an imaging device configured to photograph a target and to measure a distance to the target and a degree of a turning angle to the target; a gunnery device configured to fire at the target; and a controller configured to receive, from the imaging device, location information of the imaging device, the gunnery device, and the target, and to control a firing operation of the gunnery device by using the location information, wherein the controller is further configured to control a location and a photographing direction of the imaging device and to control a location and a firing direction of the gunnery device.Type: ApplicationFiled: December 14, 2016Publication date: December 27, 2018Applicant: HANWHA LAND SYSTEMS CO., LTD.Inventor: Dong Hwan CHOI
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Publication number: 20180324333Abstract: Provided is a shell-type monitoring apparatus. The shell-type monitoring apparatus includes a body, a gas storage provided in the body and configured to store a gas, a variable volume portion provided on the gas storage in the body and having a volume that varies depending on an amount of gas supplied from the gas storage, a photographing unit provided on the body and configured to move in the body, and a moving flow path provided in the body and configured to supply the gas in the variable volume portion to the photographing unit and thereby move the photographing unit.Type: ApplicationFiled: June 27, 2016Publication date: November 8, 2018Applicant: HANWHA LAND SYSTEMS CO., LTD.Inventors: Dong Hwan CHOI, Seong Jun CHEON, Yong Joon CHANG
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Publication number: 20120230965Abstract: The present invention relates to a novel microorganism producing L-type poly-gamma-glutamic acid and an L-type poly-gamma-glutamic acid produced thereby and, more particularly, to Bacillus megaterium Toha (KCTC11752BP) isolated from salt-fermented Toha shrimps (Korean traditional fermented food) and an L-type poly-gamma-glutamic acid produced thereby. The novel microorganism Bacillus megaterium Toha (KCTC11752BP) has the ability to produce L-type poly-gamma-glutamic acid which can be used in high-value-added microbial agents, probiotic agents, immune-activating agents, animal drugs, cosmetics, moisture absorbers, thickeners, biodegradable plastics, etc.Type: ApplicationFiled: December 7, 2011Publication date: September 13, 2012Applicants: BIOLEADERS CORPORATION, THE INDUSTRY AND ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY, KOOKMIN UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Moon-Hee SUNG, Chul Joong KIM, Haryoung POO, Mi-Sun KWAK, Sung-Bin PARK, Dong-Hwan CHOI, Ji Yeon KIM
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Publication number: 20110208137Abstract: Embodiments of the invention provide a stretchable sleeve having a medicinal section that can be loaded with a medicinal composition and a perforated section comprising a plurality of openings, wherein the medicinal section and the perforated section overlap, and wherein the sleeve is sized so that the interior surface of the medicinal section comfortably fits a body portion and the medicinal section contacts the body portion at the site of pain. Embodiments of the invention also provide methods for preparing a sleeve by applying a medicinal composition to the inner surface of the medicinal section through the openings at the perforated section. Embodiments of the invention also provide methods for relieving pain in a body portion by pulling the sleeve in an outside-out configuration straight up a body portion without having to roll and flip its exterior surface outside.Type: ApplicationFiled: May 5, 2011Publication date: August 25, 2011Applicant: UNITED EXCHANGE CORPORATIONInventors: Eugene Choi, Dong Hwan Choi, Mun Seok Han
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Patent number: 7959616Abstract: Embodiments of the invention provide a stretchable sleeve having a medicinal section that can be loaded with a medicinal composition and a perforated section comprising a plurality of openings, wherein the medicinal section and the perforated section overlap, and wherein the sleeve is sized so that the interior surface of the medicinal section comfortably fits a body portion and the medicinal section contacts the body portion at the site of pain. Embodiments of the invention also provide methods for preparing a sleeve by applying a medicinal composition to the inner surface of the medicinal section through the openings at the perforated section. Embodiments of the invention also provide methods for relieving pain in a body portion by pulling the sleeve in an outside-out configuration straight up a body portion without having to roll and flip its exterior surface outside.Type: GrantFiled: December 27, 2008Date of Patent: June 14, 2011Inventors: Eugene Choi, Dong Hwan Choi, Mun Seok Han
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Publication number: 20100099448Abstract: A method and apparatus for a portable terminal intuitively and easily inputs receiver information of a text message for use when the portable terminal transmits the text message to others or replies to the text message. The receiver information inputting method includes extracting and displaying a preset number of items, in response to a request to input receiver information; calling receiver information linked to an item that is selected from among the items; and inputting the called receiver information in a receiver information input field.Type: ApplicationFiled: October 14, 2009Publication date: April 22, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Won YIM, Dong Jin LEE, Dong Hwan CHOI, Hye Joon YI
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Patent number: 7572179Abstract: A ventilation system includes a ventilation module having a heat exchanger module, an IAQ module for improving quality of air passing through the ventilation module, and a case for guiding the air that consecutively passes through the ventilation module and the IAQ module.Type: GrantFiled: November 13, 2006Date of Patent: August 11, 2009Assignee: LG Electronics Inc.Inventors: Dong Hwan Choi, Kyung Hwan Kim, Nam Sik Yim, Ho Seon Choi, Keun Hyoung Choi
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Publication number: 20090118685Abstract: Embodiments of the invention provide a stretchable sleeve having a medicinal section that can be loaded with a medicinal composition and a perforated section comprising a plurality of openings, wherein the medicinal section and the perforated section overlap, and wherein the sleeve is sized so that the interior surface of the medicinal section comfortably fits a body portion and the medicinal section contacts the body portion at the site of pain. Embodiments of the invention also provide methods for preparing a sleeve by applying a medicinal composition to the inner surface of the medicinal section through the openings at the perforated section. Embodiments of the invention also provide methods for relieving pain in a body portion by pulling the sleeve in an outside-out configuration straight up a body portion without having to roll and flip its exterior surface outside.Type: ApplicationFiled: December 27, 2008Publication date: May 7, 2009Applicant: United Exchange CorporationInventors: Eugene Choi, Dong Hwan Choi, Mun Seok Han
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Patent number: 7485111Abstract: Embodiments of the invention provide a stretchable sleeve having a medicinal section that can be loaded with a medicinal composition and a perforated section comprising a plurality of openings, wherein the medicinal section and the perforated section overlap, and wherein the sleeve is sized so that the interior surface of the medicinal section comfortably fits a body portion and the medicinal section contacts the body portion at the site of pain. Embodiments of the invention also provide methods for preparing a sleeve by applying a medicinal composition to the inner surface of the medicinal section through the openings at the perforated section. Embodiments of the invention also provide methods for relieving pain in a body portion by pulling the sleeve in an outside-out configuration straight up a body portion without having to roll and flip its exterior surface outside.Type: GrantFiled: September 22, 2006Date of Patent: February 3, 2009Inventors: Eugene Choi, Dong Hwan Choi, Mun Seok Han
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Publication number: 20080037416Abstract: Provided are a portable terminal and method for multitasking for executing application programs of the portable terminal together with reception of digital broadcasting. The multitasking method of the present invention includes receiving and reproducing digital broadcast data requested by a user, and providing multitasking of executing at least one application program of the portable terminal according to a user's request during the reception and reproduction of the digital broadcast data.Type: ApplicationFiled: December 15, 2006Publication date: February 14, 2008Applicant: SAMSUNG ELECTRONICS CO.,LTD.Inventors: Moon-Sang Jeong, Dong-Hwan Choi
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Publication number: 20070155303Abstract: A ventilation system includes a ventilation module having an electric heater exchanger module, an IAQ module for improving quality of air passing through the ventilation module, and a case for guiding the air that consecutively pass through the ventilation module and the IAQ module.Type: ApplicationFiled: November 13, 2006Publication date: July 5, 2007Applicant: LG ELECTRONICS INC.Inventors: Dong Hwan CHOI, Kyung Hwan KIM, Nam Sik YIM, Ho Seon CHOI, Keun Hyoung CHOI
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Publication number: 20070119586Abstract: Disclosed related to a ventilating apparatus according to the present invention comprising an outer air suction duct having an outer air inlet opening; an inner air suction duct having an inner air inlet opening; a heat transferring exchanger heat exchanging the outer air and the inner air inhaled through the outer suction duct and the inner suction duct; a blowing module discharging the outer air and the inner air passed through the heat transferring exchanger to inside and outside separately; and a ventilating apparatus including dampers controlling the flowing direction of the outer air inhaled through the outer air suction duct.Type: ApplicationFiled: November 13, 2006Publication date: May 31, 2007Applicant: LG ELECTRONICS INC.Inventors: Dong Hwan Choi, Kyung Hwan Kim, Nam Sik Yim, Keun Hyoung Choi
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Patent number: D546003Type: GrantFiled: September 22, 2006Date of Patent: July 3, 2007Assignee: United Exchange CorporationInventors: Eugene Choi, Dong Hwan Choi, Mun Seok Han