Patents by Inventor Chul Choi
Chul 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: 12381273Abstract: Disclosed is a battery module with improved manufacturing efficiency and improved cooling efficiency. The battery module includes a plurality of secondary batteries; and a cooling member configured so that the plurality of secondary batteries are mounted thereto, and the cooling member includes an upper frame having a plate shape with a predetermined length so that the plurality of secondary batteries are mounted to a first surface thereof; and a lower frame coupled to a second surface of the upper frame on a side opposite the first surface and having a coolant channel configured so that a coolant flows through the coolant channel.Type: GrantFiled: May 14, 2021Date of Patent: August 5, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Bum Choi, Jong-Yoon Keum, Dong-Hwan Shin, Jong-Chul Choi
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Publication number: 20250233017Abstract: A gap-filling method for a semiconductor device and method of manufacturing the semiconductor device using the same, are provided. The gap-filling method may include: preparing a substrate with a hole pattern; supplying a process gas to the substrate and applying a first VHF power source to form a pulse wave plasma to form a first silicon nitride layer in the hole pattern; and supplying the process gas to the substrate and applying a second VHF power source to form a continuous wave plasma to form a second silicon nitride layer on the first silicon nitride layer.Type: ApplicationFiled: November 8, 2024Publication date: July 17, 2025Applicant: WONIK IPS CO., LTD.Inventors: Chang Gyu SONG, Ye Ji CHOI, Sang Min LEE, Young Chul CHOI, Min Ji KIM
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Publication number: 20250230805Abstract: A method for regenerating a cryopump that includes a cooler including a first stage part and a second stage part, and configured to cool the first stage part and the second stage part with a high pressure refrigerant; a cryopanel including a first panel which is cooled by the first stage part and a second panel which is cooled by the second stage part; a cryopump vessel configured to surround the cryopanel and including a radiation shield that surrounds the first stage part; a first heater provided in the first panel; and a second heater provided in the second panel, the method comprising a temperature increasing process of increasing temperatures of the radiation shield and the first panel by turning on the first heater, a roughing process of controlling a roughing valve configured to regulate vacuum within the cryopump vessel in a state where the cryopump vessel is kept at a pressure at which solid state ice can sublimate into gas state vapor, a purging process of supplying a purge gas into the cryopump vesType: ApplicationFiled: March 7, 2025Publication date: July 17, 2025Inventors: Ki Chul CHOI, Young Bae KIM, Won Kyun YANG, Kyung Joon AHN
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Patent number: 12357690Abstract: In the present disclosure, the effect of the TGF?/Smad3/EPB41L5 molecular mechanism on cancer cells has been identified, and it has been found that high expression of EPB41L5 is correlated with poor overall survival of cancer patients, indicating that EPB41L5 is a potential prognostic marker of cancer. Thus, the present disclosure specifies an epitope of EPB41L5 to allow EPB41L5 to be recognized as an antigen, and relates to an antibody or a fragment thereof which binds specifically to the epitope. The antibody according to the present disclosure may be usefully employed as a therapeutic agent for EPB41L5-related cancer.Type: GrantFiled: August 8, 2019Date of Patent: July 15, 2025Assignee: Cellaster, Inc.Inventors: Kyung Chul Choi, Ho Geun Yoon, Jae Ho Cheong, Mi Hyeon Jeong
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Publication number: 20250218054Abstract: Disclosed is a data transmission system that transmits data by using a relay. The relay selects a transmission terminal from among a plurality of terminals accessing a base station. A base station transmits base station data to the relay during a first time slot, and the transmission terminal transmits terminal data to the relay. The relay transmits terminal data to the base station during a second time slot, and transmits base station data to the transmission terminal.Type: ApplicationFiled: February 20, 2025Publication date: July 3, 2025Inventors: Sung Chang LIM, Se Yoon JEONG, Hae Chul CHOI, Jin Soo CHOI, Jin Woo HONG, Yung Lyul LEE, Dae Yeon KIM
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Patent number: 12343978Abstract: An electronic device includes an upper member, a first adhesive layer, and a second adhesive layer. The upper member includes a window having a rear surface opposite to a front surface, a protective layer on the front surface of the window, and an impact absorbing layer on the rear surface of the window. The display panel is below the upper member, and the first adhesive layer is between the window and the protective layer. The second adhesive layer is between the window and the impact absorbing layer. An edge of the front surface of the window is exposed by the first adhesive layer, and an edge of the second adhesive layer is exposed by the window.Type: GrantFiled: April 26, 2021Date of Patent: July 1, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongjin Park, Dongwoo Seo, Jaiku Shin, Sung Chul Choi
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Patent number: 12342624Abstract: A display apparatus includes an oxide semiconductor pattern disposed on a device substrate and including a channel region disposed between a source region and a drain region, a gate electrode overlapping the channel region of the oxide semiconductor pattern and having a structure in which a first hydrogen barrier layer and a gate conductive layer are stacked, and a gate insulating film disposed between the oxide semiconductor pattern and the gate electrode to expose the source region and the drain region of the oxide semiconductor pattern. The gate electrode exposes a portion of the gate insulating film that is adjacent to the source region and a portion of the gate insulating film that is adjacent to the drain region.Type: GrantFiled: February 27, 2023Date of Patent: June 24, 2025Assignee: LG Display Co., Ltd.Inventors: So-Young Noh, Ki-Tae Kim, Kyeong-Ju Moon, Hyuk Ji, Jin-Kyu Roh, Jung-Doo Jin, Kye-Chul Choi, Dong-Yup Kim, Chan-Ho Kim
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Publication number: 20250191069Abstract: A method of operating a device for guiding evaluation of investment items includes setting questions for evaluating the investment items, providing a user interface displaying the questions and supplementary materials necessary for responding to the questions to a user device, the supplementary materials including financial statements, receiving responses to each of the questions of a first investment item from the user device, calculating an evaluation score of a user based on the responses to each of the questions, calculating a collective intelligence evaluation score based on responses of a plurality of investors to each of the questions, and providing a user interface displaying the evaluation score of the user and the collective intelligence evaluation score to the user device.Type: ApplicationFiled: October 17, 2024Publication date: June 12, 2025Applicant: NeuroFusion Inc.Inventors: Han Chul Choi, Dong Yup LEE
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Publication number: 20250184191Abstract: Provided are a 3 level pulse amplitude modulation (PAM3) transmitter, an operating method of the PAM3 transmitter, and an electronic device including the same. The PAM3 transmitter includes a driver configured to convert input data into PAM3 signals, an eye monitor circuit electrically connected to an output terminal of the driver and configured to monitor upper eye patterns and lower eye patterns of the PAM3 signals, and a duty cycle adjust circuit configured to adjust a duty cycle of the input data provided to the driver.Type: ApplicationFiled: October 11, 2024Publication date: June 5, 2025Inventors: Moon-Chul Choi, Sung-Yong Cho, Hyeran Kim
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Publication number: 20250185182Abstract: A display device includes: a display module; a support plate below the display module, and including a first support plate, a second support plate, and a folding portion between the first and second support plates; a digitizer below the support plate; and a shielding layer in contact with a lower surface of the digitizer, and having: a first opening adjacent to the first support plate and overlapping with the folding portion; and a second opening adjacent to the second support plate and overlapping with the folding portion.Type: ApplicationFiled: November 20, 2024Publication date: June 5, 2025Inventors: SOJEONG LA, JAIKU SHIN, Jihye SHIN, GYEONGHO JEONG, SUNG CHUL CHOI
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Publication number: 20250162084Abstract: A laser processing apparatus and a laser processing method are disclosed. A laser processing apparatus includes a laser generator configured to generate a laser beam, a scanner configured to process a processing target by radiating a laser output from the laser generator, a moving unit configured to move the scanner, a vision unit configured to capture an image of the processing target processed by the scanner, and a controller configured to analyze a thermal deformation trend of a processing area based on the image of the processing target captured through the vision unit, change a processing recipe based on the thermal deformation trend, and control at least one of the laser generator, the scanner, and the moving unit according to the changed processing recipe.Type: ApplicationFiled: May 9, 2024Publication date: May 22, 2025Inventor: Kyu Chul CHOI
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Publication number: 20250162072Abstract: A jig for laser notching of secondary battery electrodes and an apparatus and method for laser notching secondary battery electrodes are disclosed. A jig for laser notching of secondary battery electrodes includes: a first plate to support a secondary battery electrode; and a second plate overlapping the first plate to press the secondary battery electrode therebetween toward the first plate, the second plate comprising a laser passage to partially expose the secondary battery electrode to allow a laser beam to be delivered to the secondary battery electrode therethrough. Upon laser notching of a secondary battery electrode, the jig can secure the secondary battery electrode in an unbent state.Type: ApplicationFiled: June 27, 2024Publication date: May 22, 2025Inventor: Kyu Chul CHOI
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Publication number: 20250166066Abstract: The present invention relates to a chart analysis method for successfully leading a transaction by reflecting market psychology, the method comprising the steps of: receiving, from each of a plurality of different users, parameter values for technical analysis of one type stock; determining the weight for each of the plurality of different users with respect to the received parameter values; determining optimum parameter values by using the determined weight and the parameter values received from the plurality of users; and providing the determined optimum parameter values to the users.Type: ApplicationFiled: April 4, 2023Publication date: May 22, 2025Inventor: Han Chul CHOI
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Patent number: 12299224Abstract: A display device includes a panel part including a bending area, a digitizer disposed under the panel part, a first magnetic member disposed under the digitizer, and a second magnetic member disposed under the first magnetic member. The first magnetic member includes a first portion and a second portion, which are spaced apart from each other by a dividing area at least partially overlapping the bending area. The second magnetic member at least partially overlaps the dividing area.Type: GrantFiled: May 5, 2023Date of Patent: May 13, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaiku Shin, Sojeong La, Sung Chul Choi
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Patent number: 12298805Abstract: A display device includes a display panel with a support plate having a plurality of first and second fibers extending in different directions to facilitate folding.Type: GrantFiled: January 2, 2024Date of Patent: May 13, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaiku Shin, Sung Chul Choi, Sojeong La, Jin Yong Sim, Gyeongho Jeong
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Publication number: 20250148261Abstract: Disclosed are a cell-level analysis method of a memory and a computing device for performing the same. The cell-level analysis method of a memory is a cell-level analysis method of a memory that is executed in a computing device including one or more processors and a memory storing one or more programs executed by the one or more processors, the cell-level analysis method including acquiring information on a location of each cell in the memory, generating graph-structured data for a target cell based on the location of each cell in the memory, and training a graph neural network model to predict one or more of an electrical characteristic of the target cell and a program and verify level (PV level) of the target cell by inputting the graph-structured data into the graph neural network model.Type: ApplicationFiled: March 29, 2024Publication date: May 8, 2025Applicants: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyun Chul CHOI, Jeong Sik LEE, Rock Hyun BAEK, Kyeong Rae CHO
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Publication number: 20250145739Abstract: Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where M is ruthenium, molybdenum, or the like, X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, or the like (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, or the like), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step at a temperature of 300° C. to 950° C. in the presence of a catalyst.Type: ApplicationFiled: February 6, 2023Publication date: May 8, 2025Applicants: BRIDGESTONE CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Masahiro HOJO, Akira OKUNO, Marino KUNO, Norihisa FUKAYA, Satpriyo Putro WAHYU, Jun-Chul CHOI, Faried MIFTAH, Hiroshi YAMASHITA, Tadahiro FUJITANI, Makiko HATORI, Makoto SUGIKI
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Publication number: 20250136529Abstract: Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where Mis ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 300° C. to 450° C.Type: ApplicationFiled: February 6, 2023Publication date: May 1, 2025Applicants: BRIDGESTONE CORPORATION, TOHOKU UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Masahiro HOJO, Akira OKUNO, Marino KUNO, Toshiaki YOSHIOKA, Shogo KUMAGAI, Norihisa FUKAYA, Satpriyo Putro WAHYU, Jun-Chul CHOI, Faried MIFTAH, Hiroshi YAMASHITA, Tadahiro FUJITANI, Makiko HATORI, Makoto SUGIKI
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Publication number: 20250136530Abstract: Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where M is ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 600° C. to 950° C.Type: ApplicationFiled: February 6, 2023Publication date: May 1, 2025Applicants: BRIDGESTONE CORPORATION, TOHOKU UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Masahiro HOJO, Akira OKUNO, Marino KUNO, Toshiaki YOSHIOKA, Shogo KUMAGAI, Norihisa FUKAYA, Satpriyo Putro WAHYU, Jun-Chul CHOI, Faried MIFTAH, Hiroshi YAMASHITA, Tadahiro FUJITANI, Makiko HATORI, Makoto SUGIKI
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Publication number: 20250139345Abstract: A machine-learning method for semiconductor process optimization may include inputting semiconductor-related parameters into each of first neural network models and outputting, based on the semiconductor-related parameters, a predicted figure of merit of a semiconductor device as a first output value from each of the first neural network models. After a semiconductor manufacturing process is performed with a semiconductor manufacturing parameter, electrical measurement parameter values may be measured using one or more measuring devices. The semiconductor-related parameters may include electrical measurement parameter values measured on one or more semiconductor devices. The method may also utilize a feedback loop between an output and an input of the first neural network models so that the electrical measurement parameter values can be updated based on an output value of the first neural network models. A second neural network model may also be used. A computing device and a system are also disclosed.Type: ApplicationFiled: August 23, 2024Publication date: May 1, 2025Applicants: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyun Chul CHOI, Chang Hyeon AN, Rock Hyun BAEK, Hyeok YUN