Patents by Inventor Kyu Hong Lee
Kyu Hong Lee 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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Publication number: 20250067472Abstract: A pipe according to the present disclosure includes a body portion provided with a seating section having a straight profile extending in a first direction and extending in a second direction that is one direction perpendicular to the first direction when cut along a plane perpendicular to the first direction, wherein the body portion passes in the first direction to define a hollow.Type: ApplicationFiled: July 25, 2024Publication date: February 27, 2025Applicant: KYUNGDONG NAVIEN CO., LTD.Inventors: Kyu Hong LEE, Choong Gon LEE
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Publication number: 20240210071Abstract: A case for a water heater includes a case cover provided to accommodate the water heater in an inner space thereof, and a case frame configured to support the case cover in the inner space. The case cover includes a rear cover part including a plurality of holes passing through a plurality of pipes connected to the water heater, an upper cover part configured to cover an upper portion of the water heater and provided to be detached from the case frame, a side cover part configured to cover a side surface of the water heater and provided to be detached from the case frame, and a front cover part configured to cover a front surface of the water heater and provided to be detached from the side cover part.Type: ApplicationFiled: December 20, 2023Publication date: June 27, 2024Applicant: KYUNGDONG NAVIEN CO., LTD.Inventors: Kyu Hong LEE, Choong Gon LEE, Jun Kyu PARK
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Publication number: 20240183534Abstract: Provided is a dual venturi. The dual venturi includes a housing including a housing body opened in a reference direction so that a gas or air flows, an inner partition wall through which an inner space of the housing body is divided into a first conduit and a second conduit, and a gas providing part provided with a first gas conduit passing through the first conduit to allow the first conduit to communicate with the outside therein and a second gas conduit configured to allow the second conduit to communicate with the outside, an opening/closing unit disposed in the inner space to open and close the first gas conduit and the second conduit, and a driver connected to the opening/closing unit to provide driving force to the opening/closing unit.Type: ApplicationFiled: December 1, 2023Publication date: June 6, 2024Applicant: KYUNGDONG NAVIEN CO., LTD.Inventors: Kyu Hong LEE, Choong Gon LEE, Jun Kyu PARK
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Patent number: 11820680Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.Type: GrantFiled: February 26, 2021Date of Patent: November 21, 2023Assignee: SIONTECH CO., LTD.Inventors: Kyung Seok Kang, Kyu Hong Lee, Ho Il Lee, Bo Hyung Ryoo, Nam Soo Park, Kyung Han Lee
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Patent number: 11713498Abstract: Disclosed are a method of manufacturing a uranium target, the method including (a) a step of preparing a conjugate including a matrix and a uranium target green compact formed in the matrix; and (b) a step of performing thermo-mechanical treatment through additional heat treatment at 530° C. to 600° C. during a hot rolling pass in a process of hot-rolling the conjugate, and a method of extracting radioactive Mo-99 using the uranium target.Type: GrantFiled: January 27, 2020Date of Patent: August 1, 2023Assignee: Korea Atomic Energy Research InstituteInventors: Ki Nam Kim, Sung Chan Park, Yong Jin Jeong, Kyu Hong Lee, Sung Hwan Kim, Tae Won Cho, Jong Man Park
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Publication number: 20220119288Abstract: The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.Type: ApplicationFiled: February 26, 2021Publication date: April 21, 2022Inventors: Kyung Seok KANG, Kyu Hong LEE, Ho Il LEE, Bo Hyung RYOO, Nam Soo PARK, Kyung Han LEE
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Publication number: 20200368820Abstract: Disclosed are a method of manufacturing a uranium target, the method including (a) a step of preparing a conjugate including a matrix and a uranium target green compact formed in the matrix; and (b) a step of performing thermo-mechanical treatment through additional heat treatment at 530° C. to 600° C. during a hot rolling pass in a process of hot-rolling the conjugate, and a method of extracting radioactive Mo-99 using the uranium target.Type: ApplicationFiled: January 27, 2020Publication date: November 26, 2020Applicant: Korea Atomic Energy Research InstituteInventors: Ki Nam KIM, Sung Chan PARK, Yong Jin JEONG, Kyu Hong LEE, Sung Hwan KIM, Tae Won CHO, Jong Man PARK
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Patent number: 10716653Abstract: The present invention relates to an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations. The present invention provides an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations, which: can supply nanoparticles having different concentrations to particle exposure modules by stacking a plurality of particle exposure modules inside a single chamber housing and by allowing each particle exposure module so as to form an independent space from each other; can perform inhalation toxicity testing of nanoparticles having a plurality of concentrations through a single chamber housing by being capable of exposing the test animals put into each particle exposure module to nanoparticles having different concentrations; can easily perform inhalation toxicity tests of nanoparticles in a small scale laboratory etc.Type: GrantFiled: January 7, 2015Date of Patent: July 21, 2020Assignees: HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Kyu Hong Lee, Yong Taek Kwon, Ki Soo Jeon, Jae Seong Lee, Ki Won Seo, Ji Hyun Han
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Patent number: 10338059Abstract: A lung model device for inhalation toxicity testing is provided. The device has a plurality of mesh tissue panels having lung cells attached thereto arranged inside a case so as to have a similar structure to a human lung, and air and nanoparticles are supplied into the case through a separate respiratory operating unit, thereby enabling inhalation toxicity testing on nanoparticles to be simply and conveniently performed in an indirect way by determining changes in the state of the lung cells without using real laboratory animals. The mesh tissue panels having a smaller lattice spacing size are sequentially positioned according to the nanoparticle inflow direction, thereby providing a structure similar to the structure of a real lung.Type: GrantFiled: June 4, 2015Date of Patent: July 2, 2019Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Kyu Hong Lee, Hyo Seon Yang
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Publication number: 20180146918Abstract: Provided is an integrated depth-of-anesthesia/cerebral-oxygen-saturation detection sensor. Particularly, the depth-of-anesthesia/cerebral-oxygen-saturation detection sensor includes a strap and a sensing unit that is arranged on the strap, and sensing unit includes a depth-of-anesthesia sensor and a cerebral oxygen saturation sensor that are arranged on the same plane. Therefore, it is possible to simultaneously measure a depth of anesthesia and cerebral oxygen saturation with a single detection sensor, so that it is possible to reduce cost.Type: ApplicationFiled: November 21, 2017Publication date: May 31, 2018Inventors: Kwang Moo Kim, Seung Kyun Hong, Sang Woo Choi, Kyu Hong Lee
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Publication number: 20170367805Abstract: The present invention relates to an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations. The present invention provides an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations, which: can supply nanoparticles having different concentrations to particle exposure modules by stacking a plurality of particle exposure modules inside a single chamber housing and by allowing each particle exposure module so as to form an independent space from each other; can perform inhalation toxicity testing of nanoparticles having a plurality of concentrations through a single chamber housing by being capable of exposing the test animals put into each particle exposure module to nanoparticles having different concentrations; can easily perform inhalation toxicity tests of nanoparticles in a small scale laboratory etc.Type: ApplicationFiled: January 7, 2015Publication date: December 28, 2017Applicants: HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES C O., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Kyu Hong LEE, Yong Taek KWON, Ki Soo JEON, Jae Seong LEE, Ki Won SEO, Ji Hyun HAN
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Publication number: 20170160268Abstract: A lung model device for inhalation toxicity testing is provided. The device has a plurality of mesh tissue panels having lung cells attached thereto arranged inside a case so as to have a similar structure to a human lung, and air and nanoparticles are supplied into the case through a separate respiratory operating unit, thereby enabling inhalation toxicity testing on nanoparticles to be simply and conveniently performed in an indirect way by determining changes in the state of the lung cells without using real laboratory animals. The mesh tissue panels having a smaller lattice spacing size are sequentially positioned according to the nanoparticle inflow direction, thereby providing a structure similar to the structure of a real lung.Type: ApplicationFiled: June 4, 2015Publication date: June 8, 2017Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Kyu Hong LEE, Hyo Seon YANG
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Patent number: 9301366Abstract: An apparatus for driving light-emitting diodes includes first and second light-emitting diode auxiliary drive parts for controlling the lighting of first and second light-emitting diode parts depending on the currents flowing through the first and second light-emitting diode parts, respectively detected by first and second resistors. Each of the first light-emitting diode auxiliary drive part and the second light-emitting diode auxiliary drive part includes a first transistor, a second transistor, and a third transistor.Type: GrantFiled: February 26, 2014Date of Patent: March 29, 2016Assignee: RFSEMI TECHNOLOGIES, INC.Inventors: Jin hyo Lee, Kyu hong Lee
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Publication number: 20150366009Abstract: An apparatus for driving light-emitting diodes includes first and second light-emitting diode auxiliary drive parts for controlling the lighting of first and second light-emitting diode parts depending on the currents flowing through the first and second light-emitting diode parts, respectively detected by first and second resistors. Each of the first light-emitting diode auxiliary drive part and the second light-emitting diode auxiliary drive part includes a first transistor, a second transistor, and a third transistor.Type: ApplicationFiled: February 26, 2014Publication date: December 17, 2015Applicant: RFSEMI TECHNOLOGIES, INC.Inventors: Jin hyo Lee, Kyu hong Lee
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Publication number: 20150209528Abstract: Provided is an apparatus for inhalation of medicine, in which particles in a medicinal aqueous solution, in a liquid aerosol form, are converted to dry medicinal particles by removing moisture therefrom by means of an evaporation unit so as to be inhaled by means of an inhalation device, thereby allowing medicinal particles to penetrate deeply along the respiratory track to the lungs, and thus can be used in the treatment of lung diseases or a variety of other treatments using same, and in which particles of a medicinal aqueous solution in a liquid aerosol form, flowing in from an aerosol unit, are converted to dry medicinal particles by means of a moisture absorbent, thereby allowing simplification and reduction in size of the apparatus for inhalation, and in which a continuous use thereof is possible by means of a simple swap of the moisture absorbent, thereby making maintenance convenient.Type: ApplicationFiled: July 24, 2013Publication date: July 30, 2015Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Kyu Hong Lee, Yong Ju Heo
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Patent number: D698044Type: GrantFiled: October 24, 2012Date of Patent: January 21, 2014Assignee: LG Hausys, Ltd.Inventor: Kyu-Hong Lee
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Patent number: D703840Type: GrantFiled: November 14, 2012Date of Patent: April 29, 2014Assignee: LG Hausys, Ltd.Inventors: Kyu-Hong Lee, Dong-Woo Shin
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Patent number: D705952Type: GrantFiled: October 24, 2012Date of Patent: May 27, 2014Assignee: LG Hausys, Ltd.Inventor: Kyu-Hong Lee
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Patent number: D705953Type: GrantFiled: November 14, 2012Date of Patent: May 27, 2014Assignee: LG Hausys, Ltd.Inventors: Kyu-Hong Lee, Dong-Woo Shin
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Patent number: D737998Type: GrantFiled: November 14, 2012Date of Patent: September 1, 2015Assignee: LG HAUSYS, LTD.Inventors: Kyu-Hong Lee, Dong-Woo Shin