Patents by Inventor Won Seok Choi

Won Seok 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).

  • Publication number: 20240106916
    Abstract: The present invention relates to a device and method for implementing dynamic-service-oriented communication between vehicle applications on an AUTomotive Open System ARchitecture (AUTOSAR) adaptive platform (AP). A machine including an electronic control unit (ECU) to which the portable operating system interface (POSIX) operating system (OS) is ported and implementing dynamic-service-oriented communication between vehicle applications on an AUTOSAR AP includes a skeleton which is an application for providing a service on the platform, a proxy which is an application using the service on the platform, and a service communication management (CM) which is an application for brokering service-oriented communication between vehicle applications on the platform.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 28, 2024
    Applicant: POPCORNSAR CO., LTD.
    Inventors: Yun Ki CHOI, Yong Ho LEE, Won Seok CHOI, Kap Hyun KIM
  • Publication number: 20240091516
    Abstract: An acoustic tweezer is disclosed. The acoustic tweezer includes a function signal generator configured to generate a function signal for an ultrasound signal, a power amplifier configured to amplify the ultrasound signal based on the function signal, and an ultrasound transducer of a single channel in which a hologram thin film having different thin film thicknesses for each region is attached to an ultrasound oscillating surface of the ultrasound transducer, and the ultrasound transducer is configured to generate a plurality of ultrasound signals having different phase differences by allowing an oscillated ultrasound signal to pass through the hologram thin film.
    Type: Application
    Filed: June 7, 2023
    Publication date: March 21, 2024
    Inventors: Sungmin HAN, JEONG MIN HEO, Inchan YOUN, Won Seok CHOI
  • Patent number: 11931978
    Abstract: An anti-icing honeycomb core composite manufactured by forming an electromagnetic wave absorption layer by using dielectric fiber, molding the electromagnetic wave absorption layer into a honeycomb core structure by using a molded part including a first base, a second base, and an inner block, hardening the honeycomb core structure, and removing the molded part. The molding step includes first stacking, on the first base including a plurality of grooves in which the inner blocks each having a hexagonal column shape are able to be seated, a plurality of the inner blocks and a plurality of the electromagnetic wave absorption layers as the honeycomb core structure so that the electromagnetic wave absorption layer is disposed between the plurality of inner blocks, and second stacking covering the inner blocks and the electromagnetic wave absorption layers stacked on the first base with the second base having the same shape as the first base.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: March 19, 2024
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Young Woo Nam, Hyeon Seok Choe, Jin Hwe Kweon, Rho Shin Myong, Won Ho Choi
  • Patent number: 11931573
    Abstract: The present disclosure can provide a muscular stimulation apparatus and a system including the same, which apply a voltage through at least one electric stimulation pad that is in close contact with at least one body part of a user, and simultaneously or selectively adjusts a resistance applied to an anode (+) or a cathode (?) of at least one electrode connected to the electric stimulation pad.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: March 19, 2024
    Assignee: alimolistudio LC.
    Inventor: Won Seok Choi
  • Patent number: 11901212
    Abstract: A wafer processing apparatus includes a rotating chuck rotatably installed on a driver, a vacuum chuck which is disposed on the rotating chuck and on which a wafer is seated, a chuck module installed in the rotating chuck to fix the wafer to the vacuum chuck, and a moving module configured to move the vacuum chuck or the chuck module to increase a gap between adjacent dies of the wafer.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 13, 2024
    Assignee: ZEUS CO., LTD.
    Inventors: Woon Kong, Ji Hoon Song, Ung Jo Moon, Ji Ho Park, Won Seok Choi
  • Publication number: 20240038573
    Abstract: A wafer processing apparatus includes a rotating chuck rotatably installed on a driver, a vacuum chuck which is disposed on the rotating chuck and on which a wafer is seated, a chuck module installed in the rotating chuck to fix the wafer to the vacuum chuck, and a moving module configured to move the vacuum chuck or the chuck module to increase a gap between adjacent dies of the wafer.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Applicant: ZEUS CO., LTD.
    Inventors: Woon Kong, Ji Hoon SONG, Ung Jo MOON, Ji Ho PARK, Won Seok CHOI
  • Patent number: 11861268
    Abstract: A method for auto-generating an AutoCAD drawing includes providing an interface for extracting only input data required for drawing equipment from strength calculation data, displaying all components and nozzles constituting the equipment and providing or correcting information thereon. The AutoCAD drawing is automatically generated based on information on all components constituting the equipment and nozzles.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 2, 2024
    Assignees: SAMSUNG ENGINEERING CO., LTD.
    Inventors: Gyun Ho Ha, Hyun Suk Lee, Young Sik Ji, Yun Ha Shin, Geun Yong Choi, Do Young Park, Sung Jin Moon, Won Seok Choi, Ji Yoon Hyun, Byueong Kook Cheo, Dae Seong Kim
  • Publication number: 20230323300
    Abstract: The present invention relates to a method for in vitro production of red blood cells. The method for in vitro production of red blood cells, according to the present invention, specifies, by cell size, the maturation step of cells exhibiting optimal effects in an agitation-type culture, so that even if an expert does not always identify cell shape, automated processes of culturing are possible, and thus automation in bioreactors is possible in the mass-production of uniform quality and red blood cells.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 12, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Eun Jung BAEK, Eun MI LEE, So Yeon HAN, Won-Seok CHOI, Jang Han LEE, Hyo Sang LEE
  • Publication number: 20230287792
    Abstract: A vane motor including a casing having a pressurized fluid inlet and a pressurized fluid outlet through which a pressurized fluid is introduced and discharged and a rotor disposed inside the casing and configured to receive the pressure of the pressurized fluid and rotate about a rotary shaft held in the casing, the rotor having a generally cylindrical rotor body with a central axis corresponding to the rotary shaft and vanes installed in vane guide grooves formed in the side surface of the rotor body and changed in widths protruding from the vane guide grooves according to rotation phases, wherein the vanes are arch-shaped in a longitudinal direction of the rotary shaft, the vane guide grooves are arch-shaped to accommodate the vanes thereinto, and the vanes are rotatably coupled to portions of the rotor body through link rods disposed on one side of the vanes.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 14, 2023
    Inventor: Won Seok CHOI
  • Publication number: 20230280612
    Abstract: An optical path control member according to an embodiment comprises: a first substrate on which a first direction and a second direction are defined; a first electrode arranged on the first substrate; a second substrate which is arranged on the first substrate and on which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises an alternately arranged plurality of partition parts and plurality of accommodation parts, a light conversion material is arranged in the accommodation part, the accommodation part comprises at least one first region and at least one second region, and the height of the light conversion material arranged in the first region is less than the height of the light conversion material arranged in the second region.
    Type: Application
    Filed: July 8, 2021
    Publication date: September 7, 2023
    Inventors: Won Seok CHOI, Jin Gyeong PARK, Byung Sook KIM
  • Publication number: 20230161187
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 25, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: In Hae LEE, Won Seok CHOI, Chan Mi JU
  • Publication number: 20230133215
    Abstract: The present disclosure can provide a muscular stimulation apparatus and a system including the same, which apply a voltage through at least one electric stimulation pad that is in close contact with at least one body part of a user, and simultaneously or selectively adjusts a resistance applied to an anode (+) or a cathode (?) of at least one electrode connected to the electric stimulation pad.
    Type: Application
    Filed: November 11, 2021
    Publication date: May 4, 2023
    Applicant: alimolistudio LC.
    Inventor: Won Seok CHOI
  • Patent number: 11619272
    Abstract: A dog clutch engagement method of an electric four-wheel drive vehicle includes steps of: when dog clutch engagement is requested during driving, determining a target synchronization speed of the input gear to be a sum of an estimated speed and an offset speed of the output gear; operating a drive unit so that an input gear follows the target synchronization speed; when an actual speed of the input gear reaches the target synchronization speed, moving a sleeve to a meeting position at which the sleeve is in contact with the input gear; and when the actual speed of the input gear is synchronized with an actual speed of the output gear, transporting the sleeve to an engagement position at which the input gear and the output gear are coupled.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 4, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Pil Yoon, Se Hoon Park, Won Seok Choi
  • Publication number: 20230077281
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode. The optical conversion unit includes partition wall portions and receiving portions that are alternately disposed. The receiving portions change optical transmittance in response to the application of voltage, and include a dispersion and optical conversion particles dispersed in the dispersion. The refractive index ratio of the partition wall portions and the receiving portions is 1:0.95 to 1:1.05.
    Type: Application
    Filed: January 12, 2021
    Publication date: March 9, 2023
    Inventors: Young Ju HAN, Byung Sook KIM, Hyeon Ji HONG, Won Seok CHOI, Jin Gyeong PARK
  • Patent number: 11580825
    Abstract: A deposit and withdrawal service system using Automated Teller Machine (ATM) includes a communication module configured to receive a transaction request associated with a customer's asset managed by an institution from the ATM, and transmit a processing result received from the institution in response to the transaction request to the ATM, and a statement conversion module configured to convert the transaction request received from the ATM into aggregated details data that is independent from the ATM, and convert the processing result received from the institution into statement details data corresponding to the ATM having requested the transaction. The communication module is further configured to transmit the aggregated details data to the institution, receive the processing result from the institution, and transmit the processing result to the ATM as the statement details data.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 14, 2023
    Assignee: COOCON CO. Ltd.
    Inventors: Won Seok Choi, Sang Jin Lee
  • Publication number: 20230040154
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes a partition wall portion and a receiving portion that are alternately disposed. The receiving portion changes light transmittance according to the application of voltage. The partition wall portion includes a base partition wall portion and a separating partition wall portion. A plurality of pores are disposed in at least one of the base partition wall portion or the separating partition wall portion. The density per unit area of partition material in the separating partition wall portion is less than the density per unit area of partition material in the base partition wall portion.
    Type: Application
    Filed: January 11, 2021
    Publication date: February 9, 2023
    Inventors: Jin Gyeong PARK, Byung Sook KIM, Won Seok CHOI
  • Patent number: 11558171
    Abstract: A method for encryption according to an embodiment includes generating a ciphertext for a secret key that is an integer vector by using an integer-based first homomorphic encryption algorithm, generating a key stream that is the integer vector from a nonce and the secret key by using a key stream generator, encoding the key stream by using a message encoding function of the first homomorphic encryption algorithm, encoding a message that is a real vector by using a message encoding function of a real number-based second homomorphic encryption algorithm, generating a ciphertext for the message by using a result of the encoding of the key stream and a result of the encoding of the message, and transmitting the nonce, the ciphertext for the secret key, and the ciphertext for the message to an apparatus for converting a ciphertext.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 17, 2023
    Assignees: SAMSUNG SDS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Eun Kyung Kim, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha, Won Seok Choi
  • Publication number: 20220389400
    Abstract: The present invention relates to synthetic ?-secretase (SAS) and a use thereof. According to the present invention, a synthetic ?-secretase, which is a fusion protein comprising, as an active ingredient, NIa protease, a fragment thereof or a variant thereof, can inhibit the formation of amyloid ?, degrade extracellularly secreted amyloid ?, and degrade amyloid ? internalized in cells. Therefore, the present invention allows intracellular/extracellular degradation of amyloid ?, which is the cause of various diseases including Alzheimer's disease, and thus can be usable in the prevention or treatment of such diseases.
    Type: Application
    Filed: November 6, 2020
    Publication date: December 8, 2022
    Inventors: Woo Jin PARK, Sung Bin KIM, Sung Yun KIM, Won Seok CHOI
  • Publication number: 20220290566
    Abstract: Disclosed is a vane motor including: a casing including a casing including an inlet port and an outlet port, through which a pressurized fluid comes in or out; a rotor being installed in the casing, turning around a rotational shaft by the pressurized fluid and including a rotor body which has a substantially cylindrical shape and an axis coinciding with an axis of the rotational shaft and a plurality of vanes which is installed in grooves formed on an outer circumferential surface of the rotor body and has a portion protruding from the groove and the portion having a length varied in accordance with a rotational phase, and an inner liner of a cylindrical shape which is installed in the casing and receives the rotor therein, in which a distal end of the vane comes into contact with an inner wall surface of the inner liner while the pressurized fluid is retained therein until the pressurized fluid flowing through the inlet port of the casing is discharged from the outlet port of the casing, and an imaginary ro
    Type: Application
    Filed: June 3, 2022
    Publication date: September 15, 2022
    Inventor: Won Seok CHOI
  • Publication number: 20220194224
    Abstract: A dog clutch engagement method of an electric four-wheel drive vehicle includes steps of: when dog clutch engagement is requested during driving, determining a target synchronization speed of the input gear to be a sum of an estimated speed and an offset speed of the output gear; operating a drive unit so that an input gear follows the target synchronization speed; when an actual speed of the input gear reaches the target synchronization speed, moving a sleeve to a meeting position at which the sleeve is in contact with the input gear; and when the actual speed of the input gear is synchronized with an actual speed of the output gear, transporting the sleeve to an engagement position at which the input gear and the output gear are coupled.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 23, 2022
    Inventors: Dong Pil Yoon, Se Hoon Park, Won Seok Choi