Patents by Inventor Chan Choi

Chan 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: 11497472
    Abstract: Provided are an ultrasound imaging apparatus and a method of processing an ultrasound image. The ultrasound imaging apparatus includes a display configured to display a moving image consisting of a plurality of ultrasound images that are played back according to a time order together with at least one icon, corresponding to at least one piece of change information for changing a display of at least one of the plurality of ultrasound images, in association with the time order.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Tae-jin Park, Dae-woong Kang, Yea-chan Choi
  • Publication number: 20220257453
    Abstract: A massage module according to an embodiment includes: a support plate including a circular opening therein; a massage body provided in the circular opening of the support plate; and a rotating mechanism for rotating the massage body relative to the support plate, wherein the massage body includes: a massage unit which provides a massage to a user through mechanical stimulation; a rotating plate provided to be rotatably moved relative to the support plate by the rotating mechanism; and a moving mechanism provided in the rotating plate to move the massage unit in a direction perpendicular to the rotation plane of the rotating plate. The rotating plate includes a through-opening through which the moving mechanism can pass, and the moving mechanism can pass through the through-opening to move the massage unit between a first position and a second position.
    Type: Application
    Filed: August 13, 2020
    Publication date: August 18, 2022
    Inventors: Gi Won UM, Ji Hyoung LIM, Sung Chan CHOI, Deok Hyun KONG
  • Publication number: 20220229563
    Abstract: An apparatus includes a storage area signal generation circuit configured to generate a storage area signal when performing an internal information storage operation and an external information storage operation; and an information storage circuit configured to receive internal failure information, stored in the apparatus, based on the storage area signal and store the received internal failure information as failure information in a set storage capacity, and store external failure information, applied from outside the apparatus, as the failure information in a variable storage capacity.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 21, 2022
    Applicant: SK hynix Inc.
    Inventor: Byeong Chan CHOI
  • Patent number: 11311876
    Abstract: An analysis chip for determining an efficient anticancer drug or anticancer drug combination for cancer cells, according to an embodiment of the present disclosure, includes a chamber which is a unit for analyzing single cancer cells, and a plurality of valves configured to regulate a fluid to be injected into the chamber, wherein the chamber includes a channel through which a fluid including an anticancer drug and a cell lysis buffer flows, a cell sorting part configured to focus cancer cells flowing along the channel, a cell capturing part configured to focus the cancer cells focused by the cell storing sorting part, and an antibody array configured to capture proteins secreted from the captured cancer cells and intracellular protein through cell lysis.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 26, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Yang, Jong Chan Choi
  • Publication number: 20220030713
    Abstract: A printed circuit board includes an insulating layer; a metal pad disposed on one side of the insulating layer; a via hole penetrating through the insulating layer to expose at least a portion of the metal pad; and a via filling at least a portion of the via hole, wherein the via comprises a first metal layer and a second metal layer disposed on the first metal layer, and an average size of grains in the first metal layer and an average size of grains in the second metal layer are different from each other.
    Type: Application
    Filed: April 27, 2021
    Publication date: January 27, 2022
    Inventors: Seong Jae MUN, Jong Chan CHOI
  • Publication number: 20220001463
    Abstract: Provided are a hole machining apparatus for an optical film, comprising: a clamping part for fixing a plurality of optical films in stacked laminated state; and a machining part for performing a hole operation on a predetermined region of the plurality of optical films so as to sequentially pass through the optical films along the laminated direction in a state where the optical films are fixed to the clamping part, wherein upon the hole operation, the machining part comprises a drill part provided to perform a primary hole machining operation and a bite unit provided to perform a secondary hole operation in the primary hole operation region. Also provided is a hole machining method for an optical film, comprising clamping a plurality of laminated optical films at a predetermined pressure in the hole machining apparatus.
    Type: Application
    Filed: October 21, 2019
    Publication date: January 6, 2022
    Inventors: Seong Yong WE, Sung Wook HWANG, Bum Seung LIM, Byeong Chan CHOI, Seul Ki PARK, Ye Jin MUN, Woo Yong SONG, Zi Shuo ZHANG
  • Publication number: 20220002922
    Abstract: The present invention relates to a method manufacturing a melt-spun nonwoven fabric and a microfiber nonwoven web manufactured therefrom The present invention relates to a method for manufacturing a melt-spun nonwoven fabric, in which fibers obtained by melt-spinning a thermoplastic polymer through a spinning nozzle including at least one nozzle hole are collected by high-speed air stream, wherein the melt-spun fibers are subjected to momentary local heating at a high temperature higher than a spinning temperature while same are caused to pass through a nozzle local heating provided directly under the spinning nozzle during spinning, so that the method can lower the melt flow index and spinline elongation viscosity of a thermoplastic resin discharged from the nozzle hole without reducing a molecular weight, thereby providing a microfiber nonwoven web formed by finely thin fibers, compared to the conventional spun-bond nonwoven fabric.
    Type: Application
    Filed: December 2, 2019
    Publication date: January 6, 2022
    Inventors: Wan Gyu HAHM, Byeong Jin YEANG, Young Chan CHOI, Hyun Ju OH
  • Patent number: 11205049
    Abstract: A method for managing semantic information on an M2M/IoT platform is provided. The method for managing semantic information according to an embodiment of the present invention stores semantic data in the first attribute of an M2M resource and updates a part of the semantic data stored in the first attribute. Accordingly, efficient management of semantic information on an M2M/IoT platform is possible, and particularly a partial update of the semantic information can be performed.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: December 21, 2021
    Assignee: Korea Electronics Technology Institute
    Inventors: Min Woo Ryu, Jae Ho Kim, Il Yeup Ahn, Jae Seok Yun, Sung Chan Choi
  • Patent number: 11169385
    Abstract: A laser optical device includes: an optical fiber unit for transmitting a laser beam; a connector for connecting the optical fiber unit; a collimator for transforming the laser beam into a parallel beam; and a condenser lens unit for condensing the parallel beam. The parallel beam emitted from the condenser lens unit is a flat-top beam. A laser optical head includes: a housing; a connector located in the housing and for connecting an optical fiber unit; a collimator formed at one side of the connector located in the housing and for transforming a laser beam transmitted from the optical fiber unit into a parallel beam; and a condenser lens unit located in the housing and for condensing the parallel beam. The parallel beam emitted from the condenser lens unit is a flat-top beam.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: November 9, 2021
    Assignees: Laservall Asia Co., Ltd.
    Inventors: Byoung-Chan Choi, Ki-Seok Kang
  • Publication number: 20210329794
    Abstract: A method for plating a printed circuit board, includes placing a substrate, including a through hole, in contact with a plating solution and disposing the substrate to face an electrode; and applying a pulsed current to each surface of the substrate, including applying pulsed currents of opposite polarity to both surfaces of the substrate at least once and applying pulsed forward currents to both surfaces of the substrate at least once, to plate from a middle to an end of the through hole.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Chan CHOI, Young Kwon JEONG, Min Soo KIM, Seong Jae MUN
  • Publication number: 20210319497
    Abstract: The present invention relates to a QoS-based mobile order processing technology which can improve mobile ordering procedure of customers and guarantee Quality of Service (QoS) above a certain level to customers in processing the mobile order which is entered on a customer's smart terminal on the go, by accurately identifying the event of customer's arrival at the shop so as to supplement the contents of the mobile order and to determine when to forward the mobile order to the shop in response to the customer's arrival. According to the present invention, there is an advantage in that the quality of service can be guaranteed through technical configuration by transacting a mobile order which is entered on the go by a customer by use of shop arrival identification.
    Type: Application
    Filed: August 31, 2019
    Publication date: October 14, 2021
    Inventors: Kyung Hoon KIM, In Chan CHOI, Ju No YOON, Hyun Min LEE, Jin Hee CHOI, Hang Won CHO
  • Patent number: 11145351
    Abstract: A semiconductor device includes an error check and scrub (ECS) command generation circuit and an ECS control circuit. The ECS command generation circuit is configured to generate an ECS command by controlling a speed of a first counting operation that is performed based on a refresh command or a bank refresh command, according to a temperature and a refresh mode of the semiconductor device, or is configured to generate the ECS command by performing a second counting operation based on a periodic signal. The ECS control circuit is configured to sequentially generate an ECS active command, an ECS read command, an ECS write command, an ECS pre-charge command, and an end signal based on the ECS command. The refresh mode includes a fine granularity refresh (FGR) mode, and the temperature includes a high temperature that is a temperature above a certain temperature.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: October 12, 2021
    Assignee: SK hynix Inc.
    Inventors: Jung Ho Lim, Byeong Chan Choi
  • Patent number: 11141369
    Abstract: The present invention relates to a human antibody specifically binding to an acne-inducing bacterium using phage display technology and a use thereof, and more particularly, an antibody specifically binding to an antigen; a human antibody including the same; phage display technology using the same; and a cosmetic composition and a pharmaceutical composition using the same.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: October 12, 2021
    Assignee: E&S Healthcare Co., Ltd.
    Inventors: Kyong Hoon Suh, Suhn Kee Chae, Eun Hye Kang, Jong Hwan Jung, Ki Se Lee, Sun Gi Koh, Sang Ok Seo, Dong Woo Lim, Seong Chan Choi
  • Patent number: 11117214
    Abstract: A laser irradiation device includes: a beam generation unit generating a laser beam; a scan mirror unit adjusting a direction of the laser beam transmitted from the beam generation unit; and a rotating mirror reflecting the laser beam of which the direction is adjusted by the scan mirror unit. The rotating mirror is provided to be rotatable so that the direction-adjusted laser beam is irradiated to an object to be processed while forming a linear laser beam on the object.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: September 14, 2021
    Inventor: Byoung-Chan Choi
  • Patent number: 11109959
    Abstract: There is provided an intraocular lens including an optic portion having a circular shape from one side thereof and including a first pattern which includes a ridge and a groove, and a plurality of haptic portions extending from an outer circumferential edge of the optic portion and each including a second pattern which includes a ridge and a groove, in which at least one of the ridges included in the first pattern and the second pattern and at least one of the grooves included in the first pattern and the second pattern includes a section in which a width is formed differently.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: September 7, 2021
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ho Jeong Jeon, Myoung Ryul Ok, Yu Chan Kim, Hyun Kwang Seok, Choun Ki Joo, Byoung Chan Choi
  • Patent number: 11096291
    Abstract: A method for plating a printed circuit board, includes placing a substrate, including a through hole, in contact with a plating solution and disposing the substrate to face an electrode; and applying a pulsed current to each surface of the substrate, including applying pulsed currents of opposite polarity to both surfaces of the substrate at least once and applying pulsed forward currents to both surfaces of the substrate at least once, to plate from a middle to an end of the through hole.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Chan Choi, Young Kwon Jeong, Min Soo Kim, Seong Jae Mun
  • Patent number: 11073283
    Abstract: A turbulence generating structure for liner cooling enhancement is a liner cooling structure applied to a double-structured side portion formed by a liner and a flow sleeve and includes the liner and a first turbulence generator protruding from a surface space of the liner and including a plurality of ribs arranged in an axial direction, each of the ribs comprising blocks arranged at regular distances in the axial direction and interspaced by cooling holes. The ribs include a first set of adjacent ribs separated by a first passage distance, the first passage distance being repeated in a circumferential direction, and a second set of adjacent ribs separated by a second passage distance, the second passage distance being repeated in the circumferential direction, wherein the first and second sets of adjacent ribs have exactly one rib in common, and the first passage distance is greater than the second passage distance.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: July 27, 2021
    Inventors: Sung Wan Park, Jong Hwa Lee, In Chan Choi, Moon Soo Cho
  • Patent number: 11054138
    Abstract: A shroud structure and a combustor burner using the shroud structure are provided for improving swozzle flow. The shroud structure includes a shroud configured to surround a combustion nozzle and a plurality of swirlers provided along a circumferential row of the combustion nozzle, the shroud having an outer circumferential surface in which a plurality of inlets are formed to draw in compressed air flowing outside the shroud, the compressed air being drawn into the shroud before being mixed with fuel. The inlets are disposed, at positions spaced apart from each other, before a circumferential row of the outer circumferential surface of the shroud that faces a first fuel injector provided on an inner circumferential surface of a combustor casing so that compressed air guided into the inlet is supplied to a region formed around a second fuel injector provided in the swirlers in the shroud.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: July 6, 2021
    Inventors: Moon Soo Cho, In Chan Choi
  • Publication number: 20210202672
    Abstract: A display apparatus having a connection electrode which crosses a bending area may be provided. The connection electrode may be disposed on a device substrate including a bending area between a display area and a pad area. The connection electrode may connect the display area and the pad area across the bending area. The connection electrode may have a stacked structure of the lower connecting electrode and the upper connecting electrode. A light-emitting device, an encapsulating element and a touch electrode may be sequentially stacked on the display area of the device substrate. The upper connecting electrode may include the same material as the touch electrode. Thus, in the display apparatus, the disconnection of the connection electrode due to bending stress and external impact may be reduced.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 1, 2021
    Inventors: Jeong-Oh KIM, Seung-Chan CHOI, Jei-Hyun LEE
  • Patent number: D965628
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: October 4, 2022
    Assignee: Atieva Inc.
    Inventors: Eui Chan Choi, Nicholas James Hope, Rupali Salve Madhukar Salve, Harika Surabhi