Patents by Inventor Hyun Sik Kim

Hyun Sik Kim 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: 12374987
    Abstract: A switching regulator, system-on-chip including the switching regulator, and operating method of the switching regulator are provided. The switching regulator comprises a first inductor having a first end connected to a first node and a second end connected to an output terminal, a second inductor having a first end connected to a second node and a second end connected to the output terminal, a flying capacitor having a first end connected to the first node and a second end connected to the second node, and control circuitry configured to at each of first through fourth times control the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the sixth switch, the seventh switch, and the eighth switch to cause the flying capacitor to store a voltage corresponding to a difference between currents flowing in the first inductor and the second inductor.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: July 29, 2025
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jeong Hyun Cho, Hyun Sik Kim, Hong Hyun Bae
  • Patent number: 12362666
    Abstract: A semiconductor device may include: a flying capacitor connected between a first node and a second node; a first inductor having a first end connected to the flying capacitor through the first node and a second end connected to an output node; and a second inductor having a first end connected to the flying capacitor through the second node and a second end connected to the output node, wherein the semiconductor device is configurable in a plurality of different states based on a plurality of different operational phases, and wherein the flying capacitor is configured to float in a first phase, is configured to be discharged through the first inductor in a second phase that is different from the first phase, and is configured to be charged through the second inductor in a third phase that is different from the first phase and the second phase.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: July 15, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Junhyeok Yang, Jeong-Hyun Cho, Jeongpyo Park, Tae-Hwang Kong, Hyun-Sik Kim, Hong-Hyun Bae
  • Patent number: 12351480
    Abstract: An apparatus for controlling output in a water treatment plant treating water includes: a chemical dosing management part configured to analyze real-time data to determine a control mode of chemical dosing optimization, and provide the determined control mode as a management command; a chemical dosing optimization part configured to analyze the real-time data to derive a control value such that the control value is to set a minimum of a chemical dosage to be dose in the water while a state of treated water of the water treatment plant is maintained in a normal range; and a chemical dosing output control part configured to provide the control value to a water treatment control device for controlling the water treatment plant, according to the control mode of the management command.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: July 8, 2025
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Sang Gun Na, Hyun Sik Kim, Jun Woo Yoo, Yeong Hyeok Kim
  • Patent number: 12252180
    Abstract: A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: March 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Kolon Spaceworks Co., Ltd.
    Inventors: Sang Yoon Park, Seung Chan Lee, Yong Beom Lee, Pil Won Kang, Hyun Sik Kim, Sang Sun Park, Hee Seouk Chung, Seung Uk Kang, Chi Hoon Choi, Seong Jong Kim, Dong Won Kim
  • Publication number: 20250052265
    Abstract: An embodiment structure for assembling different types of metal panels includes a steel panel, a nonferrous panel assembled to the steel panel, a spacing part joined to the steel panel and spacing apart the steel panel from the nonferrous panel, and a flange bolt penetrating the nonferrous panel and fastening the steel panel to the nonferrous panel.
    Type: Application
    Filed: December 1, 2023
    Publication date: February 13, 2025
    Inventor: Hyun-Sik Kim
  • Publication number: 20250050950
    Abstract: An embodiment structure of a vehicle body includes a sub-frame coupled to opposite sides of the vehicle body, wherein the sub-frame includes sub-frame side members coupled to the opposite sides of the vehicle body, respectively, first crash boxes each coupled to an end of a corresponding one of the sub-frame side members, second crash boxes each spaced apart from a corresponding one of the first crash boxes inwardly in a width direction of the vehicle body and coupled to a corresponding one of the sub-frame side members, and a sub-frame back beam disposed at the first crash boxes and at the second crash boxes.
    Type: Application
    Filed: March 1, 2024
    Publication date: February 13, 2025
    Inventor: Hyun Sik Kim
  • Publication number: 20240375723
    Abstract: An embodiment floor panel includes an embossed forming portion extending in a length direction of the floor panel and an engraved forming portion extending in the length direction of the floor panel, wherein the embossed forming portion and the engraved forming portion are alternately disposed in a width direction of the floor panel.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 14, 2024
    Inventors: Seong Su Shin, Tae Soo Park, Hyun Sik Kim
  • Publication number: 20240362076
    Abstract: The present disclosure relates to a system and method for adjusting control sensitivity based on optimal search. According to the present disclosure, stable control convergence can be achieved without excessively shortening the lifespan of a target device by moving a target device only when there is a control gain larger than or equal to a preset reference value. This occurs during continuous control of the target device through the system for adjusting a control sensitivity based on optimal search, which adjusts the sensitivity of the continuous control based on optimal search.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 31, 2024
    Inventors: Jwa Young MAENG, Hyun Sik KIM, Jun Woo YOO, Sang Gun NA
  • Patent number: 12125426
    Abstract: A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: October 22, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD, KOREAN ADVANCE INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Gun Ma, Gyu Wan Lim, Gyeong Gu Kang, Hyun Sik Kim, Keum Dong Jung, Moon Jae Jeong
  • Publication number: 20240297068
    Abstract: Some embodiments include a construction having a horizontally-extending layer of fluorocarbon material over a semiconductor construction. Some embodiments include methods of filling openings that extend into a semiconductor construction. The methods may include, for example, printing the material into the openings or pressing the material into the openings. The construction may be treated so that surfaces within the openings adhere the material provided within the openings while surfaces external of the openings do not adhere the material. In some embodiments, the surfaces external of the openings are treated to reduce adhesion of the material.
    Type: Application
    Filed: May 14, 2024
    Publication date: September 5, 2024
    Applicant: Micron Technology, Inc.
    Inventors: Gurtej S. Sandhu, Sony Varghese, John A. Smythe, Hyun Sik Kim
  • Patent number: 12020979
    Abstract: Some embodiments include a construction having a horizontally-extending layer of fluorocarbon material over a semiconductor construction. Some embodiments include methods of filling openings that extend into a semiconductor construction. The methods may include, for example, printing the material into the openings or pressing the material into the openings. The construction may be treated so that surfaces within the openings adhere the material provided within the openings while surfaces external of the openings do not adhere the material. In some embodiments, the surfaces external of the openings are treated to reduce adhesion of the material.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: June 25, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Gurtej S. Sandhu, Sony Varghese, John A. Smythe, Hyun Sik Kim
  • Patent number: 11970214
    Abstract: A vehicle body for an electrical vehicle includes: side sills, which are coupled to side surfaces of a floor panel, rear side members, front end portions of which overlap rear end portions of the side sills and which are coupled the side surfaces of the floor panel, a battery, which is positioned at a lower portion of the floor panel and is mounted to portions of the side sills in front of the rear side members and to portions at which the side sills overlap the rear side members, and rear extension members having a strength lower than any of the side sills and the rear side members, the rear extension members being connected at front ends thereof to rear ends of the rear side members, and the rear extension members being coupled to the side surfaces of the floor panel.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: April 30, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Sik Kim, Se Ho Ryu
  • Patent number: 11866098
    Abstract: A vehicle body structure includes: a front pillar joined to a dash panel; a front side member extending from the dash panel toward the front of a vehicle; a side sill connected to a bottom end of the front pillar; a rear lower member connecting a rear portion of the front side member and a front portion of the side sill; and a connection member connecting at least two of the front pillar, the side sill, and the rear lower member. The connection member is integrally connected to the front pillar, the side sill, or the rear lower member to form a unitary one piece structure therewith.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: January 9, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Deok Hwa Hong, Hee Seouk Chung, Hyun Sik Kim, Byeong Cheon Lee
  • Patent number: 11866097
    Abstract: Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: January 9, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Kolonglotech, Inc.
    Inventors: Hyun Sik Kim, Sang Yoon Park, Deok Hwa Hong, Hee Seouk Chung, Byeong Cheon Lee, Yeun Ho Yu, Young Gyu Kim, Jeong Wan Han, Hyeon Seok Do, Hyun Kyu Shin, Cheol Min Nam, Kum Soo Bae, Seong Jong Kim, Jun Youp Kim
  • Patent number: 11837132
    Abstract: An output buffer is disclosed that includes: a buffer circuit that outputs an output signal to an output terminal based on a first input signal provided to a first input terminal and a second input signal provided to a second input terminal; and a current supply circuit that is connected in parallel to the buffer circuit, and provides an auxiliary current to the output terminal based on the first input signal and the second input signal.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: December 5, 2023
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seong Joo Lee, Seok Tae Koh, Gyeong Gu Kang, Oh Jo Kwon, Hyun Sik Kim, Gyu Wan Lim, Keum Dong Jung
  • Publication number: 20230326384
    Abstract: A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Inventors: Hyung Gun MA, Gyu Wan LIM, Gyeong Gu KANG, Hyun Sik KIM, Keum Dong JUNG, Moon Jae JEONG
  • Patent number: 11761623
    Abstract: An apparatus for combustion optimization is provided. The apparatus for combustion optimization includes a management layer configured to collect currently measured real-time data for boiler combustion, and to determine whether to perform combustion optimization and whether to tune a combustion model and a combustion controller by analyzing the collected real-time data, a data layer configured to derive learning data necessary for designing the combustion model and the combustion controller from the real-time data and previously measured past data for the boiler combustion, a model layer configured to generate the combustion model and the combustion controller through the learning data, and an optimal layer configured to calculate a target value for the combustion optimization by using the combustion model and the combustion controller, and to output a control signal according to the calculated target value.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: September 19, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Jee Hun Park, Sang Gun Na, Hyun Sik Kim, Jwa Young Maeng
  • Patent number: 11736079
    Abstract: An amplifier circuit includes a differential input terminal, a first power supplier, an amplifier, and a current redistributor. A differential input terminal includes a first differential pair of a p-type and a second differential pair of an n-type, and receives an input voltage. A first power supplier supplies a bias current to the differential input terminal. An amplifier receives an output current of the first differential pair and an output current of the second differential pair, and applies an amplified current to an output node. A current redistributor receives the output current of the first differential pair and the output current of the second differential pair, and provides a redistribution current to the differential input terminal.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: August 22, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seok-Tae Koh, Seongjoo Lee, Hyun-Sik Kim, Gyeong-Gu Kang, Seunghwa Shin, Ohjo Kwon, Keumdong Jung
  • Publication number: 20230260441
    Abstract: A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
    Type: Application
    Filed: November 11, 2022
    Publication date: August 17, 2023
    Inventors: Hyung Gun Ma, Gyu Wan Lim, Gyeong Gu Kang, Hyun Sik Kim, Keum Dong Jung, Moon Jae Jeong
  • Patent number: 11721265
    Abstract: A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: August 8, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., KOREAN ADVANCE INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Gun Ma, Gyu Wan Lim, Gyeong Gu Kang, Hyun Sik Kim, Keum Dong Jung, Moon Jae Jeong