Patents by Inventor Ho Chan Kim
Ho Chan Kim 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: 11938836Abstract: An electric car charging apparatus using a pad-mounted transformer according to one embodiment of the present invention may include a first port configured to supply power to an electric car, a second port electrically connected to the first port and configured to receive power from a pad-mounted transformer, and a breaking unit configured to switch between connection and disconnection of the first port and the second port.Type: GrantFiled: June 12, 2017Date of Patent: March 26, 2024Assignee: KOREA ELECTRIC POWER CORPORATIONInventors: Seong-Man Kim, Hyeong-Chan Kim, Ho-Seong Yun, Sang-Kyoum Kim, Min-Kab Kim, Chang-Muk Kim
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Patent number: 11936116Abstract: The present disclosure includes, in a dual polarized omni-directional antenna and a base station including the same, a plurality of radiating elements disposed to be spaced apart in one direction by the dual polarized omni-directional antenna, and a feed line for providing a feed signal to the plurality of radiating elements, and the plurality of radiating elements include a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other.Type: GrantFiled: September 2, 2021Date of Patent: March 19, 2024Assignee: KMW INC.Inventors: Duk Yong Kim, Young Chan Moon, In Ho Kim, Oh Seog Choi
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Publication number: 20230333036Abstract: The present invention relates to a Thermal Desorption analysis automation system including an automation system and an analysis method using the same to quickly perform a wafer defect analysis process. The Thermal Desorption analysis automation system includes a heating device that includes a heater for heating a wafer, an analysis device that receives gas containing contaminants desorbed from the heated wafer and analyzes the gas, a coupling part that is disposed outside a chamber and coupled to the wafer, a wafer transfer device that is provided with an arm transferring the coupling part, and a control unit that controls the wafer transfer device to insert the wafer into the chamber and transfer the wafer in the chamber to the outside.Type: ApplicationFiled: April 13, 2023Publication date: October 19, 2023Inventors: Ho Chan Kim, Jeong Seok Kim, Young Su Jun, Eung Sun Lee, Seoung Kyo Yoo, Hyun Yul Park
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Patent number: 11629817Abstract: Proposed is a device and a method for preventing worker safety accidents during machining and, more particularly, a device and a method for preventing worker safety accidents during machining, which can prevent worker safety accidents in advance by stopping an operation of a chuck or cutter and triggering an alarm when a part of a worker's body is present in the danger zone beyond the safety zone judged by an artificial intelligence (AI)-based analysis of work images/videos captured during turning, milling, and other machining using chucks or cutters.Type: GrantFiled: January 28, 2022Date of Patent: April 18, 2023Assignee: Andong National University Industry-Academic Cooperation FoundationInventors: Yong-Hwan Bae, Ho-Chan Kim
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Patent number: 11453083Abstract: Disclosed is a friction stir welding tool with an adjustable probe length and shoulder groove depth, wherein a support shaft, made of a material having low thermal conductivity so as to inhibit thermal conduction between a probe and a shank, is coupled to the center of an upper locking member together with the shank, the probe and inner and outer shoulders are coupled inside a lower part of the upper locking member, and a lower locking member is fastened and fixed to the lower part of the upper locking member, and a washer and a locking nut are fastened to an upper part of the lower locking member, whereby the locking nut pushes the lower locking member via the washer.Type: GrantFiled: February 10, 2021Date of Patent: September 27, 2022Assignee: ANDONG NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Sung Jong Choi, Ho Chan Kim
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Patent number: 11407059Abstract: Disclosed is a friction stir welding tool with an adjustable probe length and shoulder groove depth, wherein a support shaft, made of a material having low thermal conductivity so as to inhibit thermal conduction between a probe and a shank, is coupled to the center of an upper locking member together with the shank, the probe and inner and outer shoulders are coupled inside a lower part of the upper locking member, and a lower locking member is fastened and fixed to the lower part of the upper locking member, and a washer and a locking nut are fastened to an upper part of the lower locking member, whereby the locking nut pushes the lower locking member via the washer.Type: GrantFiled: February 10, 2021Date of Patent: August 9, 2022Assignee: ANDONG NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Sung Jong Choi, Ho Chan Kim
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Publication number: 20210402505Abstract: Disclosed is a friction stir welding tool with an adjustable probe length and shoulder groove depth, wherein a support shaft, made of a material having low thermal conductivity so as to inhibit thermal conduction between a probe and a shank, is coupled to the center of an upper locking member together with the shank, the probe and inner and outer shoulders are coupled inside a lower part of the upper locking member, and a lower locking member is fastened and fixed to the lower part of the upper locking member, and a washer and a locking nut are fastened to an upper part of the lower locking member, whereby the locking nut pushes the lower locking member via the washer.Type: ApplicationFiled: February 10, 2021Publication date: December 30, 2021Inventors: Sung Jong Choi, Ho Chan Kim
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Patent number: 10156487Abstract: A tactile sensor includes a first insulating layer having a first array of electrically conductive strips embedded therein and extending in a first direction. An intermediate layer of conductive soft polymer material is positioned above the first insulating layer and the first array of said electrically conductive strips. A second insulating layer having a second array of electrically conductive strips embedded therein, which extend in a second direction which is different than the first direction, is positioned above the intermediate layer. The first array of electrically conductive strips are connected to the second array of electrically conductive strips, and both the first and second array of electrically conductive strips are also connected to an impedance measuring device.Type: GrantFiled: September 20, 2016Date of Patent: December 18, 2018Assignee: The University of AkronInventors: Jae-Won Choi, Erik Daniel Engeberg, Morteza Vatani, Ho-Chan Kim, Thomas Swiger
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Patent number: 9664717Abstract: A tactile sensor includes a flexible medium having electrically conductive strips embedded therein and extending in a first direction, said electrically conductive strips including conductive nanostructures dispersed in a flexible support material, said nanostructures selected from conductive nanowires, carbon nanotubes, and graphene, wherein each electrically conductive strip is connected at each end to an impedance measuring device that measures the impedance across each electrically conductive strip. The electrically conductive strips may be formed on a first layer of the flexible medium by using direct-write technology.Type: GrantFiled: April 26, 2013Date of Patent: May 30, 2017Assignee: The University of AkronInventors: Jae-Won Choi, Erik Daniel Engeberg, Kye-Shin Lee, Ho-Chan Kim
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Publication number: 20170059426Abstract: A tactile sensor includes a first insulating layer having a first array of electrically conductive strips embedded therein and extending in a first direction. An intermediate layer of conductive soft polymer material is positioned above the first insulating layer and the first array of said electrically conductive strips. A second insulating layer having a second array of electrically conductive strips embedded therein, which extend in a second direction which is different than the first direction, is positioned above the intermediate layer. The first array of electrically conductive strips are connected to the second array of electrically conductive strips, and both the first and second array of electrically conductive strips are also connected to an impedance measuring device.Type: ApplicationFiled: September 20, 2016Publication date: March 2, 2017Applicant: The University of AkronInventors: Jae-Won Choi, Erik Daniel Engeberg, Morteza Vatani, Ho-Chan Kim, Thomas Swiger
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Publication number: 20150109006Abstract: A tactile sensor includes a flexible medium having electrically conductive strips embedded therein and extending in a first direction, said electrically conductive strips including conductive nanostructures dispersed in a flexible support material, said nanostructures selected from conductive nanowires, carbon nanotubes, and graphene, wherein each electrically conductive strip is connected at each end to an impedance measuring device that measures the impedance across each electrically conductive strip. The electrically conductive strips may be formed on a first layer of the flexible medium by using direct-write technology.Type: ApplicationFiled: April 26, 2013Publication date: April 23, 2015Inventors: Jae-Won Choi, Erik Daniel Engeberg, Kye-Shin Lee, Ho-Chan Kim
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Publication number: 20140056656Abstract: A turning tool for internal machining has a spiral groove at a head section entering an inside of a workpiece. The turning tool includes a tool body, which has a head section and a shank section extending from the head section, and a cutting insert. The head section includes the following: a flat portion extending from a front end of the head section, which enters the inside of a workpiece, toward the shank section; an insert pocket formed at an edge of the flat portion as offset from a central axis of the tool body; and a chip flute extending from a proximity of the insert pocket toward the shank section across the central axis of the tool body and including a spiral curved surface on a peripheral surface of the head section. The cutting insert is replaceably mounted to the insert pocket.Type: ApplicationFiled: August 21, 2013Publication date: February 27, 2014Applicant: TAEGUTEC, LTD.Inventors: Byung Gyun Bae, Sung Hyup Park, Ho Chan Kim, Jang Hyuk Joo