Patents by Inventor Hee-Jong Park
Hee-Jong Park 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: 20250105028Abstract: Provided is a chemical liquid purification apparatus for semiconductor manufacturing, the apparatus including a first tank configured to store a chemical liquid, the chemical liquid including impurities, a first line configured to supply the chemical liquid to the first tank, a first electrode and a second electrode included in the first tank, an alternating current waveform generator connected to the first electrode and the second electrode, a second line configured to supply the chemical liquid processed in the first tank to an outside of the first tank, and a filter configured to filter the impurities in the chemical liquid flowing in the second line.Type: ApplicationFiled: September 27, 2024Publication date: March 27, 2025Applicants: SANSUNG ELECTRONICS SO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Hee Jeong PARK, Jihyun KIM, Yunho KIM, Sungjune LEE, Donggyu LEE, Dongryul LEE, Sam-Jong Chol, Kuk Nam HAN
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Publication number: 20250094773Abstract: A method, of training an anomaly detecting model using a plurality of pieces of graph data, includes: (a) inputting one piece of graph data that has not yet been input, among the plurality of pieces of graph data, to a graph neural network (GNN) AutoEncoder calculating a probability of each edge as input data; (b) calculating a difference value (hereinafter, “edge difference value”) between an edge probability value of reconstructed data output by the GNN AutoEncoder and an edge value of the input data; (c) calculating an average value (hereinafter, “positive edge loss”) of a positive edge and an average value (hereinafter, “negative edge loss”) of a negative edge using the edge difference value, and calculating an edge prediction loss value of the reconstructed data by summing the positive edge loss and the negative edge loss; (d) retraining the GNN AutoEncoder until the edge prediction loss value is minimized.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Applicant: UDMTEK CO., LTD.Inventors: Gi Nam Wang, Jun Pyo Park, Seung Woo Han, Geun Ho Yu, Min Young Jung, Hee Chan Yang, Seung Jong Jin
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Patent number: 12252180Abstract: A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.Type: GrantFiled: November 17, 2021Date of Patent: March 18, 2025Assignees: Hyundai Motor Company, Kia Corporation, Kolon Spaceworks Co., Ltd.Inventors: Sang Yoon Park, Seung Chan Lee, Yong Beom Lee, Pil Won Kang, Hyun Sik Kim, Sang Sun Park, Hee Seouk Chung, Seung Uk Kang, Chi Hoon Choi, Seong Jong Kim, Dong Won Kim
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Publication number: 20250089338Abstract: A semiconductor device is provided. The semiconductor device comprises: a substrate including an active region having an active cell region and a termination region surrounding the active region; a gate bus disposed in the active region to be non-overlapped with the active cell region; a gate electrode extending from the gate bus and disposed in the active cell region; a source region disposed on at least one side of the gate electrode in the active cell region; a gate insulating layer disposed between the gate bus and the substrate and between the gate electrode and the substrate; a gate metal disposed on the gate bus to be connected to the gate bus; and a source metal disposed on the gate electrode to be connected to the source region, wherein the gate bus and the gate electrode are disposed on the same layer.Type: ApplicationFiled: November 28, 2023Publication date: March 13, 2025Applicant: DB HiTek Co., Ltd.Inventors: Seung Hyun KIM, Hee Bae LEE, Jae Yuhn MOON, Gyu Hyun JUNG, Soon Jong PARK
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Publication number: 20250019847Abstract: The present disclosure relates to a multilayer reinforced composite electrolyte membrane and a method for manufacturing the same. The multilayer reinforced composite electrolyte membrane according to the present disclosure has sufficient mechanical properties and improved membrane resistance at the same time since a porous support is impregnated in an ionomer and it is stacked in a multilayer structure. Furthermore, since the composite electrolyte membrane has no wrinkles and cracks due to excellent dimensional stability, it can improve the electrochemical properties of batteries.Type: ApplicationFiled: September 15, 2022Publication date: January 16, 2025Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Young KIM, Youngjoon LIM, Taehyun KWON, Byeong-jo MIN, Bora SEO, Hee-Young PARK, So Young LEE, Hyun Seo PARK, Sung Jong YOO, Hyoung-Juhn KIM, Jong Hyun JANG
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Patent number: 12187889Abstract: A non-painted thermoplastic resin composition including viscose rayon so as to embody a marble pattern and a method for making it are disclosed. The viscose rayon is included in the thermoplastic resin composition to minimize the deterioration of physical properties while minimizing weld lines and flow marks during an extrusion process, and a luxurious outer appearance of a marble pattern is embodied without additional post-processing or painting process. The non-painted thermoplastic resin composition includes 80-90 parts by weight of a thermoplastic resin composition, 0.1-5 parts by weight of a carbon fiber, and 0.1-3 parts by weight of viscose rayon based on 100 parts by weight of the entire resin composition. The viscose rayon provides an effect of minimizing weld lines and flow marks during injection, improving physical properties, and providing the luxurious appearance of the marble pattern.Type: GrantFiled: September 23, 2019Date of Patent: January 7, 2025Assignee: CEPLA CO., LTD.Inventors: Chang Won Chae, Sung Yeon Lee, Chang Min Hong, Jin Young Huh, Kyu Haeng Cho, Dae Keun Kim, Gwang Ho Go, Moon Young Lee, Hyuk Soo Kwon, Hee Jong Park, Yeung In Kim
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Publication number: 20220056264Abstract: A non-painted thermoplastic resin composition including viscose rayon so as to embody a marble pattern and a method for making it are disclosed. The viscose rayon is included in the thermoplastic resin composition to minimize the deterioration of physical properties while minimizing weld lines and flow marks during an extrusion process, and a luxurious outer appearance of a marble pattern is embodied without additional post-processing or painting process. The non-painted thermoplastic resin composition includes 80-90 parts by weight of a thermoplastic resin composition, 0.1-5 parts by weight of a carbon fiber, and 0.1-3 parts by weight of viscose rayon based on 100 parts by weight of the entire resin composition. The viscose rayon provides an effect of minimizing weld lines and flow marks during injection, improving physical properties, and providing the luxurious appearance of the marble pattern.Type: ApplicationFiled: September 23, 2019Publication date: February 24, 2022Applicant: CEPLA CO., LTD.Inventors: Chang Won CHAE, Sung Yeon LEE, Chang Min HONG, Jin Young HUH, Kyu Haeng CHO, Dae Keun KIM, Gwang Ho GO, Moon Young LEE, Hyuk Soo KWON, Hee Jong PARK, Yeung In KIM
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Patent number: 8314764Abstract: An amplifying circuit of a display device including a plurality of pixels includes an input unit, a bias unit, and an output unit. The input unit is coupled between a first power source for supplying a first voltage and a second power source for supplying a second voltage, receives a first input signal and a second input signal, and is controlled by the first and second input signals. The bias unit receives a bias voltage for operating the input unit, and includes a first node and a second node controllable by the input unit. The output unit applies an output voltage to a pixel by using a first output transistor turned on/off by a signal applied to the first node and a second output transistor turned on/off by a signal applied to the second node, and the first output transistor is a different type to the second output transistor.Type: GrantFiled: June 24, 2008Date of Patent: November 20, 2012Assignee: MC Technology Co., Ltd.Inventors: Byung-Doo Kim, Hee-Jong Park, Ju-Young No, Sang-Hoon Lee
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Patent number: 8294657Abstract: The present invention relates to a liquid crystal display, a driving device thereof, a digital to analog converter, and an output voltage amplifying circuit.Type: GrantFiled: June 24, 2008Date of Patent: October 23, 2012Assignee: MC Technology, Co., Ltd.Inventors: Byung-Doo Kim, Hee-Jong Park, Ju-Young No, Sang-Hoon Lee
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Publication number: 20100231577Abstract: An output voltage amplifier, and a driving device of a liquid crystal display using the same are disclosed. The output voltage amplifier includes: an amplifying unit to generate first and second signals corresponding to a gray voltage input to a first input terminal and a feedback signal input to a second input terminal, and to output a first voltage by using first and second switches driven to be on or off according to the first and second signals; an output unit to apply the first and second data signals to the first and second pixels by using third and fourth switches turned on or off according to the first and second signals; and a feedback circuit unit to selectively supply one of the first voltage and the first and second data signals to the second input terminal. Heating characteristics and a slew rate can be improved.Type: ApplicationFiled: October 2, 2008Publication date: September 16, 2010Applicant: MC TECHNOLOGY CO., LTD.Inventors: Byung-Doo Kim, Hee-Jong Park, Ju-Young No
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Publication number: 20100134462Abstract: An amplifying circuit of a display device including a plurality of pixels includes an input unit, a bias unit, and an output unit. The input unit is coupled between a first power source for supplying a first voltage and a second power source for supplying a second voltage, receives a first input signal and a second input signal, and is controlled by the first and second input signals. The bias unit receives a bias voltage for operating the input unit, and includes a first node and a second node controllable by the input unit. The output unit applies an output voltage to a pixel by using a first output transistor turned on/off by a signal applied to the first node and a second output transistor turned on/off by a signal applied to the second node, and the first output transistor is a different type to the second output transistor.Type: ApplicationFiled: June 24, 2008Publication date: June 3, 2010Applicant: MC Technology Co., Ltd.Inventors: Byung-Doo Kim, Hee-Jong Park, Ju-Young No, Sang-Hoon Lee
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Publication number: 20100134528Abstract: The present invention relates to a liquid crystal display, a driving device thereof, a digital to analog converter, and an output voltage amplifying circuit.Type: ApplicationFiled: June 24, 2008Publication date: June 3, 2010Applicant: MC Technology Co., Ltd.Inventors: Byung-Doo Kim, Hee-Jong Park, Ju-Young No, Sang-Hoon Lee