Patents by Inventor Hyun-Do CHOI

Hyun-Do 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: 20240104723
    Abstract: An apparatus for measuring solubility includes: a display configured to display at least one patterned background image; an image obtaining sensor configured to obtain at least one transmission image formed by light from the at least one patterned background image being transmitted through a container accommodating a target sample, of which solubility is to be measured; and a processor configured to analyze a degree of dissolution of the target sample from the at least one transmission image based on at least one analysis algorithm.
    Type: Application
    Filed: February 22, 2023
    Publication date: March 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gahee KIM, Joon-Kee CHO, Hyun Do CHOI, Younsuk CHOI, Jeonghun KIM, Sooyoung PARK
  • Publication number: 20230364537
    Abstract: A batch-type filtering apparatus includes: a first flow path; a second flow path configured to communicate with the first flow path; a third flow path configured to communicate with the first flow path; a fourth flow path configured to communicate with each of the second flow path and the third flow path; an external port configured to communicate with each of the third flow path and the fourth flow path; a first direction switching valve configured to allow at least two from among the first flow path, the second flow path, and the third flow path to communicate with each other; a second direction switching valve configured to allow at least two from among the third flow path, the fourth flow path, and the external port to communicate with each other; and a flow cell.
    Type: Application
    Filed: March 20, 2023
    Publication date: November 16, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyungtae SEO, Hyun Do Choi, Hyunjeong Jeon, Joon-Kee Cho, Jun-Won Jang, Wooram Hong, Jeonghun Kim, Won Je Choi
  • Publication number: 20230366714
    Abstract: A liquid supply apparatus includes: a chamber configured to contain a liquid; an injector disposed on a first side of the chamber and configured to spray the liquid; and a piston extending from a second side of the chamber toward an interior of the chamber, wherein the chamber includes a first area configured to store the liquid; and a second area between the first area and the injector, and wherein the piston is configured to selectively seal or transfer the liquid between the first area and the second area, and press the liquid in the second area to expel the liquid from the liquid supply apparatus.
    Type: Application
    Filed: January 17, 2023
    Publication date: November 16, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Je CHOI, Hyungtae SEO, Wooram HONG, Jeonghun KIM, Taesin HA, Youngjin PARK, Hyun Do CHOI, Dal HEO
  • Patent number: 11752060
    Abstract: A link assembly includes a main frame, a base link rotatably connected to the main frame, an input link rotatably connected to the main frame, and an output link at least 2-degree of freedom (DOF) rotatably connected to the main frame.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: September 12, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeonghun Kim, Minhyung Lee, Hyun Do Choi
  • Patent number: 11744764
    Abstract: Provided is a method and device for assisting walking of a user that may receive a pressure value applied to a sole of a user from a pressure sensor, acquire acceleration information associated with a movement of the user from an acceleration sensor, determine a gait phase based on the pressure value and the acceleration information, determine an assist torque corresponding to the determined gait phase, and control a driver to output the assist torque.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: September 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jusuk Lee, Youngjin Park, Keehong Seo, Bokman Lim, Jun-Won Jang, Hyun Do Choi, Seungyong Hyung
  • Publication number: 20230263691
    Abstract: A supporting module including a supporting frame including a proximal end and a distal end a connecting plate connected with the distal end of the supporting frame, a sliding plate in contact with one face of the connecting plate, a supporting band connected to both ends of the connecting plate, and an elastic strip configured to connect the sliding pate and the connecting plate is disclosed.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Inventors: Byungjune CHOI, Se-Gon ROH, Minhyung LEE, Youn Baek LEE, Hyun Do CHOI, Jeonghun KIM, Jongwon LEE
  • Patent number: 11712393
    Abstract: Provided is a pelvis fixing device including a rear fixing module including a driving module mounting portion, the rear fixing portion configured to enclose a side surface and a rear surface of a waist of a user, and a front fixing module including a soft layer and a hard layer configured to enclose a front surface of the waist of the user, wherein the hard layer is connected to the rear fixing module to form a closed loop around the waist of the user.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 1, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongwon Lee, Minhyung Lee, Youn Baek Lee, Jeonghun Kim, Se-Gon Roh, Byungjune Choi, Hyun Do Choi
  • Patent number: 11679492
    Abstract: A locking device including a first frame including an insert hole and a first magnetic body, a second frame including an insert recess communicating with the insert hole, and a second magnetic body disposed to face the first magnetic body with a polarity opposite to a polarity of the first magnetic body, and an insert member including a slider inserted into the insert hole and configured to slide relative to the first frame, and a third magnetic body disposed on one side of the slider is provided.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: June 20, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Gon Roh, Jeonghun Kim, Minhyung Lee, Youn Baek Lee, Jongwon Lee, Byungjune Choi, Hyun Do Choi
  • Publication number: 20230184490
    Abstract: A heat exchanger is provided. The heat exchanger includes a target area that is a target for heat exchange; and a flow path structure. The flow path structure includes at least one inlet; at least one outlet; a first flow path connected to each of the at least one inlet and the at least one outlet, and extending along a first side of the target area; and a second flow path connected to each of the at least one inlet and the at least one outlet, and extending along a second side, different from the first side, of the target area.
    Type: Application
    Filed: August 15, 2022
    Publication date: June 15, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wooram HONG, Hyun Do CHOI, Dal HEO, Youngchun KWON, Hyukju KWON, Gahee KIM, Bosung KIM, Jeonghun KIM, Jin Woo KIM, Min Sik PARK, Youngjin PARK, Hyungtae SEO, Won Seok OH, Dongseon LEE, Sangyoon LEE, Jaejun CHANG, Jun-Won JANG, Hyunjeong JEON, Joon-Kee CHO, Byung-Kwon CHOI, Won Je CHOI, Younsuk CHOI, Taesin HA
  • Patent number: 11672722
    Abstract: Driving modules, motion assistance apparatuses including at least one of the driving modules, and methods of controlling at least one of the motion assistance apparatuses may be provided. For example, a driving module including a driving source on one side of a user and configured to transmit power, an input side rotary body coupled to the driving source and configured to rotate, first and second decelerators configured to operate using the power respectively received from the driving source through the input side rotary body, and a first stopper and a second stopper configured to selectively enable or disable a transmission of the power between the input side rotary body and respective output terminals of the first and second decelerators may be provided.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 13, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jongwon Lee, Se-Gon Roh, Youn Baek Lee, Jeonghun Kim, Minhyung Lee, Byungjune Choi, Hyun Do Choi
  • Patent number: 11666502
    Abstract: A supporting module including a supporting frame including a proximal end and a distal end, a connecting plate connected with the distal end of the supporting frame, a sliding plate in contact with one face of the connecting plate, a supporting band connected to both ends of the connecting plate, and an elastic strip configured to connect the sliding plate and the connecting plate is disclosed.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: June 6, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungjune Choi, Se-Gon Roh, Minhyung Lee, Youn Baek Lee, Hyun Do Choi, Jeonghun Kim, Jongwon Lee
  • Publication number: 20230094084
    Abstract: A driving module including a driving source configured to generate power, a gear train including a decelerating gear set configured to receive driving power from the driving source and a ring gear attached to one side thereof, and a rotary joint including at least one planetary gear configured to rotate using power received from an output end of the decelerating gear set and to revolve along the ring gear is disclosed.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Se-Gon ROH, Jeonghun KIM, Minhyung LEE, Youn Baek LEE, Jongwon LEE, Byungjune CHOI, Hyun Do CHOI
  • Publication number: 20230089079
    Abstract: A sealing structure may include a lid including a first lid face, a second lid face opposite to the first lid face, and a fragile area between the first lid face and the second lid face, a cover including a first cover face facing the second lid face and covering the fragile area and a second cover face opposite to the first cover face, wherein a first distance between the second lid face and the first cover face is substantially equal to or less than a second distance between the first cover face and the second cover face, and a connector configured to connect the lid and the cover.
    Type: Application
    Filed: March 7, 2022
    Publication date: March 23, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wooram HONG, Hyun Do Choi, Dal Heo, Youngchun Kwon, Hyukju Kwon, Gahee Kim, Bosung Kim, Jeonghun Kim, Jin Woo Kim, Min Sik Park, Youngjin Park, Hyungtae Seo, Won Seok Oh, Dongseon Lee, Sangyoon Lee, Jaejun Chang, Jun-Woon Jang, Hyunjeong Jeon, Joon-Kee Cho, Byung-Kwon Choi, Won Je Choi, Younsuk Choi, Taesin Ha
  • Patent number: 11590047
    Abstract: A walking assistance apparatus includes a frame configured to be mounted on a lower leg of a user, a sole support connected to the frame and configured to support a lower side of a foot of the user, an actuator mounted on the frame, and a pusher configured to receive a power from the actuator and push the ground.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: February 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjin Park, Hyun Do Choi
  • Patent number: 11564858
    Abstract: Provided is a walking assistance method and apparatus for providing an assistance torque to an ankle of a user. To provide an assistance torque to an ankle of a user, a first pressure value and a second pressure value are received from a first pressure sensor and a second pressure sensor, a ratio between the first pressure value and the second pressure value is calculated, a gain value is determined based on the ratio, an assistance torque value is calculated based on the ratio and the gain value, and a driver is controlled to output the assistance torque value.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjin Park, Seungyong Hyung, Hyun Do Choi, Jusuk Lee
  • Patent number: 11534360
    Abstract: A driving module including a driving source configured to generate power, a gear train including a decelerating gear set configured to receive driving power from the driving source and a ring gear attached to one side thereof, and a rotary joint including at least one planetary gear configured to rotate using power received from an output end of the decelerating gear set and to revolve along the ring gear is disclosed.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-Gon Roh, Jeonghun Kim, Minhyung Lee, Youn Baek Lee, Jongwon Lee, Byungjune Choi, Hyun Do Choi
  • Patent number: 11452661
    Abstract: A walking assistance device and method for providing an assist torque to an ankle of a user is provided. To provide an assist torque to an ankle of a user, the walking assistance device generates a leg image by capturing a second leg using a camera attached to a first leg, determines a gait state of the second leg based on the leg image, determines an assist torque value output to the first leg based on the gait state of the second leg, and controls a driving device such that the assist torque value is output to the first leg.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: September 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jusuk Lee, Hyun Do Choi, Seungyong Hyung, Youngjin Park, Bokman Lim, Jun-Won Jang
  • Publication number: 20220273514
    Abstract: A motion assistance apparatus includes a force transmitting frame configured to support a distal part of a user, a slider configured to slide in the force transmitting frame, and a driving frame connected to the slider and configured to slide with respect to a proximal part of the user.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Inventors: Minhyung LEE, Byungjune CHOI, Jeonghun KIM, Se-Gon ROH, Youn Baek LEE, Jongwon LEE, Hyun Do CHOI, Jung Yun CHOI, Hyouk Ryeol CHOI
  • Patent number: 11369542
    Abstract: A motion assistance apparatus including a first support configured to support a waist of a user, a side frame connected to the first support and configured to cover at least a portion of a side of the waist, and a joint assembly connected to the side frame such that a location of the joint assembly is adjustable in a longitudinal direction of the side frame, and configured to be located at a part of a hip joint of the user is disclosed.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: June 28, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minhyung Lee, Jeonghun Kim, Se-Gon Roh, Youn Baek Lee, Jongwon Lee, Byungjune Choi, Hyun Do Choi
  • Publication number: 20220184796
    Abstract: A locking device including a first frame including an insert hole and a first magnetic body, a second frame including an insert recess communicating with the insert hole, and a second magnetic body disposed to face the first magnetic body with a polarity opposite to a polarity of the first magnetic body, and an insert member including a slider inserted into the insert hole and configured to slide relative to the first frame, and a third magnetic body disposed on one side of the slider is provided.
    Type: Application
    Filed: March 4, 2022
    Publication date: June 16, 2022
    Inventors: Se-Gon ROH, Jeonghun KIM, Minhyung LEE, Youn Baek LEE, Jongwon LEE, Byungjune CHOI, Hyun Do CHOI