Patents by Inventor Dong Choi

Dong 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).

  • Patent number: 11945744
    Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: April 2, 2024
    Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
  • Patent number: 11945779
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating cancer metastasis, a health functional food, and a method for preventing or treating cancer metastasis using the same, containing a novel compound for inhibiting migration and invasion of cancer cells or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: April 2, 2024
    Assignee: VSPHARMTECH
    Inventors: Byoung-Mog Kwon, Dong Cho Han, Yae Jin Yoon, Yu Jin Lee, Jiyoun Choi, Sangku Lee
  • Patent number: 11946695
    Abstract: An apparatus and a method of firing a unit cell for a solid oxide fuel cell performs pre-sintering and main sintering using a single apparatus by adjusting a height of a setter to apply pressure. The pressure prevents warping.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 2, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Curie Park, Eun Yong Park, Dong Oh Shin, Kwangwook Choi
  • Patent number: 11950383
    Abstract: A display apparatus according to a concept of the disclosure includes: a display panel configured to display an image in a front direction; a top chassis positioned in a front direction of the display panel; a bottom chassis positioned in a rear direction of the display panel; a rear cover covering a rear side of the bottom chassis; and a stand member being accommodatable in the rear cover and selectively coupled with a rear surface of the rear cover, wherein the rear cover includes an accommodating portion in which the stand member is accommodated and a coupling portion coupled with the stand member, and the stand member includes an inserting protrusion which is inserted into the accommodating portion and the coupling portion.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Bong Kim, Dong Wook Kim, Ji-Gwang Kim, Tae-Hun Kim, Yong Gu Do, Jeong Woo Park, Gil Jae Lee, Sang Young Lee, Pil Kwon Jung, Su-An Choi
  • Publication number: 20240104464
    Abstract: A system selecting a process key factor in a commercial chemical process, includes: a data extraction unit that extracts tag data in units of a set period; an outlier discrimination unit that discriminates and aggregates outliers by tag by using an outlier extraction reference master; an outlier processing unit that generates an input mart draft excluding the outliers; a derived variable generation unit that generates derived variables for each tag, and generates an advanced input mart having the derived variable added thereto; a yield calculation unit that backs up the result of calculation of a yield by realizing a target value via exclusion and correction of the outliers; and a key factor extraction unit that extracts a yield key factor by calculating importance of each tag, and backs up importance data for each tag.
    Type: Application
    Filed: April 27, 2022
    Publication date: March 28, 2024
    Applicant: SK GAS CO., LTD.
    Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE
  • Publication number: 20240105427
    Abstract: Embodiments of the present disclosure include methods and apparatus for depositing a plurality of layers on a large area substrate. In one embodiment, a processing chamber for plasma deposition is provided. The processing chamber includes a showerhead and a substrate support assembly. The showerhead is coupled to an RF power source and a ground and includes a plurality of perforated gas diffusion members. A plurality of plasma applicators is disposed within the showerhead, wherein one plasma applicator of the plurality of plasma applicators corresponds to one of the plurality of perforated gas diffusion members. Further, a DC bias power source is coupled to a substrate support assembly.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Inventors: Chien-Teh KAO, Tae Kyung WON, Carl A. SORENSEN, Sanjay D. YADAV, Young Dong LEE, Shinichi KURITA, Soo Young CHOI
  • Patent number: 11942481
    Abstract: A display device may include a thin film transistor disposed on a substrate, and a display element electrically connected to the thin film transistor. The thin film transistor may include an active pattern including polycrystalline silicon, a gate insulation layer disposed on the active pattern, and a gate electrode disposed on the gate insulation layer. An average value of grain sizes of the active pattern may be in a range of about 400 nm to about 800 nm. An RMS value of a surface roughness of the active pattern may be about 4 nm or less. A method of manufacturing a polycrystalline silicon layer may include cleaning an amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam having an energy density of about 440 mJ/cm2 to about 490 mJ/cm2.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Lee, Jongoh Seo, Byung Soo So, Dong-min Lee, Yeon Hee Jeon, Jonghoon Choi
  • Publication number: 20240091296
    Abstract: Disclosed is to provide a composition for skin-whitening or preventing or improving skin wrinkles, comprising a green tea extract which has modified amounts of ingredients. More specifically, the extract and composition according to one aspect of the present disclosure are derived from natural plants that cause less irritation to the skin and are eco-friendly, thus they are safe, and thereby the extract and composition can exhibit excellent effects of effectively inhibiting melanin production and tyrosinase activity and preventing or improving skin whitening, and can exhibit excellent effects of effectively inhibiting the expression of MMP-1 and preventing or improving skin wrinkles.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Juewon KIM, Si Young CHO, Hyungsu KIM, Wonseok PARK, Joonho CHOI, Dong Hyun KIM, Jaewon YOU, Miyoung PARK
  • Publication number: 20240095548
    Abstract: A system for predicting process changes by using key factors in a commercial chemical process, includes: a key factor extraction and individual tag importance backup unit that extracts yield key factors by calculating the importance of each tag, and backs up importance data for each tag; and a yield prediction model training and yield prediction performing unit that performs yield prediction model training by using the importance of each tag accumulated in the key factor extraction and individual tag importance backup unit, and performs yield prediction so as to output a yield prediction result, evaluates performance, and selects an optimal prediction model.
    Type: Application
    Filed: April 27, 2022
    Publication date: March 21, 2024
    Applicant: SK GAS CO., LTD.
    Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE
  • Patent number: 11934950
    Abstract: An apparatus for embedding a sentence feature vector according to an embodiment includes a sentence acquisitor configured to acquire a first sentence and a second sentence, each including one or more words; a vector extractor configured to extract a first feature vector corresponding to the first sentence and a second feature vector corresponding to the second sentence by independently inputting each of the first sentence and the second sentence into a feature extraction network; and a vector compressor configured to compress the first feature vector and the second feature vector into a first compressed vector and a second compressed vector, respectively, by independently inputting each of the first feature vector and the second feature vector into a convolutional neural network (CNN)-based vector compression network.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Seong Ho Joe, Young June Gwon, Seung Jai Min, Ju Dong Kim, Bong Kyu Hwang, Jae Woong Yun, Hyun Jae Lee, Hyun Jin Choi
  • Publication number: 20240082829
    Abstract: A catalyst for a hydrogenation reaction including a polymer support and a catalytic component supported on the polymer support. The polymer support consists of a repeating unit represented by any one of Formulae 5 and 7 to 13.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Myungji SUH, Dong Hyun KO, Minkee CHOI, Kyunglim HYUN
  • Publication number: 20240081722
    Abstract: A method of identifying dementia is disclosed that includes causing a user terminal to display an N-th screen including a plurality of objects. The user terminal may further display an N+1-th screen with the objects rearranged at positions on the N+1-th screen which are different from positions of the objects included in the N-th screen when an N-th selection input of selecting any one from among the objects included in the N-th screen is received. When an N+1-th selection input for selecting any one from among the objects included in the N+1-th screen is received, a third task of determining whether an answer of the N+1-th selection input is correct is performed based on whether the object selected from the N+1-th selection input is the same as at least one object selected from at least one previous selection input including the N-th selection input.
    Type: Application
    Filed: July 7, 2022
    Publication date: March 14, 2024
    Applicant: HAII corp.
    Inventors: Ho Yung KIM, Geon Ha KIM, Bo Hee KIM, Dong Han KIM, Hye Bin HWANG, Chan Yeong PARK, Ji An CHOI, Bo Ri KIM
  • Publication number: 20240087847
    Abstract: The present disclosure is directed to an antenna array. The antenna array includes a plurality of dielectric windows coupled to a support structure comprising a plurality of gas ports, a primary frame comprising a primary conduit connected to a power source and a plurality of secondary frames supported by the primary frame. The secondary frame includes a secondary conduit connected to the primary conduit. A plurality of inductive couplers are disposed over the plurality of dielectric windows and supported by the secondary frames. The plurality of inductive couplers include a plurality of antenna connectors and a plurality of plurality of antennas. The plurality of antenna connectors connect the plurality of antennas to the secondary conduit.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 14, 2024
    Inventors: Zheng John YE, Jeevan Prakash SEQUEIRA, Chien-Teh KAO, Tae Kyung WON, Young Dong LEE, Soo Young CHOI, Suhail ANWAR, Jianhua ZHOU
  • Patent number: 11926759
    Abstract: A window includes a base layer and a first coating layer. The first coating layer is disposed on a first surface of the base layer. The first coating layer is a single layer. The first coating layer includes a siloxane-based compound. The siloxane-based compound includes fluorine and silica.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Nyoung Heo, Kilsung Lee, Hoseok Sohn, Yongseok Lee, Dong Woon Lee, Yusik Jeon, Beomgyu Choi
  • Publication number: 20240070980
    Abstract: An automated method for generating a prosthesis from a 3D scan data, the method includes automatically extracting tooth information of a tooth included in the 3D scan data from the 3D scan data, automatically extracting a margin line of a prepared tooth, generating a plurality of two dimensional (ā€œ2Dā€) images including the prepared tooth and an adjacent tooth adjacent to the prepared tooth, automatically generating a 3D temporary prosthesis data based on the plurality of 2D images and deforming a single tooth model corresponding to the prepared tooth using the margin line and the 3D temporary prosthesis data to generate a 3D prosthesis data.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 29, 2024
    Applicant: IMAGOWORKS INC.
    Inventors: Junseong AHN, So Jeong CHEON, Seong Jun TAK, Bonjour SHIN, Dong Uk KAM, Jung-Min HWANG, Jeonghwa KIM, Taeseok LEE, Jinhyeok CHOI
  • Publication number: 20240070988
    Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.
    Type: Application
    Filed: August 24, 2023
    Publication date: February 29, 2024
    Inventors: Yunho CHOI, Kyung-Joong KIM, Ecehan AKAN, Dong Hyeok PARK, Sung Ha LEE, Hyeon-Chang JEON, Isaac HAN
  • Patent number: 11915449
    Abstract: The present invention relates to a method and an apparatus for estimating a user pose using a three-dimensional virtual space model. The method of estimating a user pose including the position and orientation information of a user for a three-dimensional space includes a step of receiving user information including an image acquired in a three-dimensional space, a step of confirming a three-dimensional virtual space model constructed based on spatial information including depth information and image information for the three-dimensional space, a step of generating corresponding information corresponding to the user information in the three-dimensional virtual space model, a step of calculating similarity between the corresponding information and the user information, and a step of estimating a user pose based on the similarity.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: February 27, 2024
    Assignee: Korea University Research and Business Foundation
    Inventors: Nak Ju Doh, Ga Hyeon Lim, Jang Hun Hyeon, Dong Woo Kim, Bum Chul Jang, Hyung A Choi
  • Patent number: 11915639
    Abstract: A display panel of a display device is divided into a first display region and a second display region. The second display region includes a boundary region adjacent to the first display region and a non-boundary region opposite to the first display region with respect to the boundary region. The driving controller outputs the voltage control signal, such that the first voltage in a first high voltage level and the second voltage in a first low voltage level are generated when the first display region is driven. The driving controller outputs the voltage control signal, such that the first voltage in a second high voltage level lower than the first high voltage level and the second voltage in a second low voltage level higher than the first low voltage level are generated, when the non-boundary region of the second display region is driven.
    Type: Grant
    Filed: February 12, 2023
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taehoon Kim, Seon Young Choi, Sangan Kwon, Soon-Dong Kim, Jin-Wook Yang, Changnoh Yoon
  • Patent number: 11892139
    Abstract: A lamp for a vehicle includes a first light source unit including a plurality of first light sources and for irradiating a first light that forms a first beam pattern, a second light source unit including a plurality of second light sources and for irradiating a second light that forms a second beam pattern, a first reflector including a plurality of first reflection units corresponding to the plurality of first light sources and for reflecting the first light, and a second reflector including a plurality of second reflection units corresponding to the plurality of second light sources and for reflecting the second light. In particular, the plurality of first light sources are disposed along an arc having a first curvature, and the plurality of second light sources are disposed along an arc having a second curvature, the second curvature is greater than the first curvature.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: February 6, 2024
    Assignee: SL Corporation
    Inventors: Se Hyun Jung, Byung Dong Choi
  • Publication number: 20230283375
    Abstract: Disclosed are a photonic multiband filter and a method of operating the same. The photonic multiband filter includes an optical frequency comb that forms multiple optical channels based on a single light source incident from an outside, a modulator that applies an RF signal modulated into an optical domain among a plurality of RF signals to the multiple optical channels, and a pulse shaper that determines a center frequency, a bandwidth, and a passband shape of the RF signal modulated into the optical domain including the multiple optical channels.
    Type: Application
    Filed: December 15, 2022
    Publication date: September 7, 2023
    Inventors: Minhyup SONG, Hyun Jong CHOI, Minje SONG, Gyu Dong CHOI, Taehyun LEE, SEUNGYOUNG LIM