Patents by Inventor Chang-Sung Kim
Chang-Sung 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: 11972941Abstract: Proposed is a precursor composition for forming a metal film including a zirconium compound represented by any one of Chemical Formulas 1 to 3 and a hafnium compound represented by any one of Chemical Formulas 4 to 6.Type: GrantFiled: December 6, 2019Date of Patent: April 30, 2024Assignee: SK TRICHEMInventors: Chang Sung Hong, Yong Joo Park, Tae Hoon Oh, In Chun Hwang, Sang Kyung Lee, Dong Hyun Kim
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Publication number: 20240130952Abstract: Provided are the reactive topical skin protectant formulations including: water or moisture; plate-like inorganic particle powder; and one or more selected from the group consisting of a) liquid perfluoride, b) polyol, c) perfluorinated polymer powder, d) polysaccharides, e) liquid silicon-based material, and f) additives, and the reactive topical skin protectant formulations may provide an effect of safely protecting the skin from various lesions and risks occurring by liquid chemical agents or harmful toxic substances penetrating the human skin.Type: ApplicationFiled: March 28, 2023Publication date: April 25, 2024Inventors: Hae Eun JOE, Chang Hwan KIM, Dong Sung SEO, Sang Woong KIM, Young CHO
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Publication number: 20240132357Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.Inventors: Myung Hoon JEONG, Hyun Tae KIM, Sang Hyo RYU, Chung Heon JEONG, Wan Sung LEE, Woo Ram JUNG, Chang Gu KANG
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Patent number: 11965986Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.Type: GrantFiled: January 24, 2022Date of Patent: April 23, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Chang Hyuck Lee, Lee Im Kang, Ji Sung Kim, Yang Hyun Joo
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Patent number: 11953014Abstract: An integrated water pump and valve device in which a water pump and a valve are integrally controlled by a single controller, and the water pump and the valve are integrated, thereby reducing an overall size.Type: GrantFiled: February 9, 2022Date of Patent: April 9, 2024Assignee: GMB KOREA CORP.Inventors: Kyung Hwan Kim, Chang Hyun Park, Jae Sung Bae
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Publication number: 20240099636Abstract: An electrocardiogram measurement system includes a patch-type electrocardiogram measurement apparatus, a first device connected to the electrocardiogram measurement apparatus by means of a first communication and configured to store electrocardiogram data measured by the electrocardiogram measurement apparatus, and a second device connected to the electrocardiogram measurement apparatus by means of the first communication and configured to store electrocardiogram data measured by the electrocardiogram measurement apparatus. The electrocardiogram data measured by the electrocardiogram measurement apparatus include measured time information. Other embodiments are disclosed.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicant: ATSENS CO., LTD.Inventors: Deok Byeong CHAE, Chang Ho LEE, Jong Sung KIM, Jong Ook JEONG
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Publication number: 20240089124Abstract: Disclosed herein are an apparatus and method for mutual authentication of quantum entities based on Measurement-Device-Independent Quantum Key Distribution (MDI-QKD). The method may include configuring a quantum input form based on an authentication key shared in advance with a counterpart entity, applying polarization modulation to the configured quantum input form, transmitting the quantum input form to which polarization modulation is applied to a quantum measurement device, and authenticating the counterpart entity by checking whether the counterpart entity configures a quantum input form according to the shared authentication key using a measurement result and information about polarization modulation.Type: ApplicationFiled: March 24, 2023Publication date: March 14, 2024Inventors: Chang-Ho HONG, Se-Wan JI, O-Sung KWON, Youn-Chang JEONG, Eun-Ji KIM, Seok KIM, Haeng-Seok KO, Dae-Sung KWON, Jin-Gak JANG
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Patent number: 11926513Abstract: An up-and-down driving device allows an up-and-down driving unit to move while supporting an object's load, in a support module in which the up-and-down driving unit is movably inserted into an inner space of a fixed housing. The up-and-down driving device includes: a driving means for moving the up-and-down driving unit in an up-and-down direction; a fixed-position compression spring main module including a fixed-position compression spring having one side fixed to a lower end of the housing and the other side supporting the up-and-down driving unit and mounted in a motion direction of the up-and-down driving unit; and a variable-position compression spring supplemental module including a variable-position compression spring having one side mounted rotatably to a side of the housing and the other side fastened rotatably to the up-and-down driving unit and configured to rotate while making a predetermined angle with the motion direction of the up-and-down driving unit.Type: GrantFiled: May 24, 2021Date of Patent: March 12, 2024Assignee: HUVITZ CO., LTD.Inventors: Chang Sung Kim, Young Woo Lee
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Publication number: 20220183548Abstract: A chart display device for a visual acuity test includes a chart display optical unit that emits a chart image generated by a chart display optical system to a front, and is rotatably coupled to a frame of the chart display device via a rotation shaft; a position indicator light source that indicates the height of an eye to be examined and emits a position identification light; a position detection sensor that detects the position identification light emitted from the position indicator light source, and thus detects the height of the eye to be examined; and a rotation driving unit that rotates the chart display optical unit around the rotation shaft, and thereby tilts an emission direction of the chart image so that the chart image emitted from the chart display optical unit is emitted in the direction of the eye to be examined.Type: ApplicationFiled: November 23, 2021Publication date: June 16, 2022Inventors: Chang Sung KIM, Young Duk SEO
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Publication number: 20210371257Abstract: An up-and-down driving device allows an up-and-down driving unit to move while supporting an object's load, in a support module in which the up-and-down driving unit is movably inserted into an inner space of a fixed housing. The up-and-down driving device includes: a driving means for moving the up-and-down driving unit in an up-and-down direction; a fixed-position compression spring main module including a fixed-position compression spring having one side fixed to a lower end of the housing and the other side supporting the up-and-down driving unit and mounted in a motion direction of the up-and-down driving unit; and a variable-position compression spring supplemental module including a variable-position compression spring having one side mounted rotatably to a side of the housing and the other side fastened rotatably to the up-and-down driving unit and configured to rotate while making a predetermined angle with the motion direction of the up-and-down driving unit.Type: ApplicationFiled: May 24, 2021Publication date: December 2, 2021Inventors: Chang Sung KIM, Young Woo LEE
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Publication number: 20190388362Abstract: The present invention relates to: a method for providing information for the prediction or diagnosis of oral precancer or oral cancer characterized by confirming expression of the Axin2 gene or the Snail gene in an oral leukoplakia tissue sample or an oral submucous fibrosis tissue sample; and a use of a compound capable of delaying or inhibiting the progression of a precancerous lesion and recurrent oral cancer using the compound capable of effectively inhibiting the expression of the Axin2 gene or the Snail gene. According to the present invention, the possibility of oral leukoplakia or submucous fibrosis which causes white lesions to appear inside the oral cavity can be predicted and diagnosed, thereby being useful in eliminating the potential risks of oral cancer by early prediction of progression into oral precancer or oral cancer for which effective treatment does not currently exist.Type: ApplicationFiled: July 2, 2019Publication date: December 26, 2019Inventors: Jong In YOOK, Hyun Sil KIM, Nam Hee KIM, Ji Won CHOI, In Ho CHA, Xianglan ZHANG, Chang Sung KIM
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Patent number: 9814129Abstract: Disclosed is a printed circuit board. The printed circuit board includes an insulating layer, a copper foil formed on the insulating layer and formed therein with a groove to expose a portion of a top surface of the insulating layer, and a thermal conductive layer filled in the groove.Type: GrantFiled: June 16, 2016Date of Patent: November 7, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Yong Seok Cho, Chang Sung Kim
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Publication number: 20160295684Abstract: Disclosed is a printed circuit board. The printed circuit board includes an insulating layer, a copper foil formed on the insulating layer and formed therein with a groove to expose a portion of a top surface of the insulating layer, and a thermal conductive layer filled in the groove.Type: ApplicationFiled: June 16, 2016Publication date: October 6, 2016Inventors: Yong Seok Cho, Chang Sung Kim
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Publication number: 20150008015Abstract: Disclosed is a printed circuit board. The printed circuit board includes an insulating layer, a copper foil formed on the insulating layer and formed therein with a groove to expose a portion of a top surface of the insulating layer, and a thermal conductive layer filled in the groove.Type: ApplicationFiled: August 22, 2012Publication date: January 8, 2015Applicant: LG Innotek Co., Ltd.Inventors: Yong Seok Cho, Chang Sung Kim
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Publication number: 20110122197Abstract: An inkjet head and an inkjet printer having the inkjet head are disclosed. In accordance with an embodiment of the present invention, the inkjet head includes a chamber housing ink and a nozzle, which discharges the ink housed in the chamber. Here, a plurality of inner wall grooves are formed on an inner wall of the nozzle, in which the plurality of inner wall grooves extends in a lengthwise direction of the nozzle. Thus, the inkjet head can discharge big ink droplets at a high frequency by quickly filling the ink in the nozzle after relatively big ink is discharged.Type: ApplicationFiled: July 20, 2010Publication date: May 26, 2011Inventors: Hyun-Ho SHIN, Jae-Woo Joung, Chang-Sung Kim, Yoon-Sok Park, Ji-Han Kwon, Won-Chul Sim, Jae-Sang Lee
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Patent number: 7529009Abstract: A vibration type tilting device, according to an embodiment of the invention, which comprises a mirror holder, supporting a mirror on one side, which tilts together with the mirror such that the mirror periodically tilts light on a light path in a minute angle; a holder support part supporting the mirror holder; a driving part, which supplies driving power to the mirror holder; and a damping part comprising a gap adjustment member capable of changing the gap between a portion of the mirror holder and a portion of the holder support part, provides superior vibration characteristics, as the viscous fluid is not heated by the driving part.Type: GrantFiled: September 1, 2006Date of Patent: May 5, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yang-Ho Moon, Chil-Sung Lee, Chang-Sung Kim, Kyoung-Shin Park, Dong-Won Choi, Jae-Kyung Kim, Ki-Suk Woo
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Publication number: 20070081263Abstract: A vibration type tilting device, according to an embodiment of the invention, which comprises a mirror holder, supporting a mirror on one side, which tilts together with the mirror such that the mirror periodically tilts light on a light path in a minute angle; a holder support part supporting the mirror holder; a driving part, which supplies driving power to the mirror holder; and a damping part comprising a gap adjustment member capable of changing the gap between a portion of the mirror holder and a portion of the holder support part, provides superior vibration characteristics, as the viscous fluid is not heated by the driving part.Type: ApplicationFiled: September 1, 2006Publication date: April 12, 2007Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yang-Ho Moon, Chil-Sung Lee, Chang-Sung Kim, Kyoung-Shin Park, Dong-Won Choi, Jae-Kyung Kim, Ki-Suk Woo