Patents by Inventor Chul-Woo Kim

Chul-Woo 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: 12255286
    Abstract: An electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte solution includes a lithium salt, an additive including a compound represented by Formula 1, and an organic solvent. In some embodiments, the lithium secondary battery includes a positive electrode, a negative electrode which includes a negative electrode active material containing SiOx (0<x?2), a separator, and the electrolyte solution.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 18, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Patent number: 12237467
    Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and lithium difluorophosphate as a second additive, wherein a weight ratio of the first additive to the second additive is in a range of 1:2 to 1:10.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: February 25, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Yu Ha An, Chul Haeng Lee, Jeong Woo Oh
  • Patent number: 12237468
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, non-aqueous electrolyte solution includes a lithium salt, an organic solvent, and a compound represented by Formula 1 as a first additive. A lithium secondary battery including the non-aqueous electrolyte has improved flame retardancy.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: February 25, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Yu Ha An, Hyun Seung Kim, Chul Haeng Lee, Jeong Woo Oh
  • Publication number: 20250052723
    Abstract: A transparent ultrasound probe module, provided inside a housing of an optical apparatus may include a lens provided on one side of an inside of the housing, formed of a transparent material, a first matching layer provided on the other surface of the lens and formed of a transparent material, a piezoelectric element layer provided on the first matching layer and including transparent piezoelectric elements for interconverting an electrical signal and a mechanical signal, first and second electrode layers formed of a transparent material and provided on respective surfaces of the piezoelectric element layer, and configured to transmit an electrical signal, circuit boards connected to each of the first and second electrode layers, formed of a bendable material, and configured to transmit/receive the electrical signal to/from the piezoelectric element, and a block layer on the second electrode layer, formed of a transparent material, and configured to remove ultrasound noise.
    Type: Application
    Filed: July 17, 2024
    Publication date: February 13, 2025
    Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jeong Woo PARK, Chul Hong KIM, Hyung Ham KIM, Jin Hee YOO
  • Patent number: 12224490
    Abstract: A horn antenna for a millimeter wave comprises: a horn radiator including a radiation part having an opening formed therein to radiate a feed signal, and a multi-layer PCB coupling part coupled to lower and side portions of the radiation part to provide a feed signal; and a multi-layer PCB coupled to a lower portion of the multi-layer PCB coupling part to provide a feed signal, wherein a slot and a groove connected to the slot and extending in a direction parallel to the multi-layer PCB are formed in the multi-layer PCB coupling part, wherein a feed line vertically overlapping the slot and the groove is formed on a first layer substrate, which is the uppermost layer of the multi-layer PCB, wherein the opening extends in a direction parallel to the multi-layer PCB, and wherein a ‘¬’-shaped waveguide extending from the slot is formed in the horn radiator.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: February 11, 2025
    Assignee: SENSORVIEW CO., LTD.
    Inventors: Byoung Nam Kim, Hong Il Yoo, Chul-Keun Park, Chan-Woo Park, Kyung Hwan Kim
  • Patent number: 12201798
    Abstract: Disclosed are a method for increasing the viability of cells by ultrasound irradiation and an ultrasound irradiation apparatus using same. The method comprises: applying a drug and an epidermal drug delivery system onto the epidermis of a subject; and, with ultrasound parameters each being preset within a certain range, an ultrasound irradiation apparatus irradiating ultrasound onto the epidermis of the subject through an ultrasound generation unit placed within a critical range from the epidermis of the subject, wherein the epidermal drug delivery system induces the formation of cavities, i.e., cavitation around the epidermis of the subject when the ultrasound is irradiated, the ultrasound parameters at least include an ultrasound pressure and an ultrasound duty percentage, the ultrasound pressure is 0.5-1 MPa, and the ultrasound duty percentage is 1-5%.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: January 21, 2025
    Assignee: BioInfra Life Science Inc.
    Inventors: Chul Woo Kim, Dong Hee Park, Jong Ho Won, Hea Ry Oh
  • Patent number: 12066219
    Abstract: A cooling system includes a refrigerant circulator which circulates a refrigerant, wherein the refrigerant circulator includes a first compressor configured to pressurize the refrigerant in gaseous state; a first cooler configured to cool the refrigerant pressurized by the first compressor; a first gas-liquid separator configured to separate the refrigerant cooled by the first cooler into a first refrigerant flow of a gas component and a second refrigerant flow of a liquid component; a second compressor configured to pressurize the first refrigerant flow; a second cooler configured to cool the first refrigerant flow pressurized by the second compressor; a second gas-liquid separator configured to separate the refrigerant cooled by the second cooler into a third refrigerant flow of a gas component and a fourth refrigerant flow of a liquid component; a first expansion member configured to decompress the fourth refrigerant flow.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG HEAVY IND. CO., LTD.
    Inventors: Tae Yun Kim, Hyun Ki Park, Chul Woo Kim, Dong Hun Lee
  • Patent number: 12029924
    Abstract: Disclosed are a method for increasing the viability of a cell by irradiating the cell with ultrasonic waves, and an ultrasound irradiation apparatus using same, wherein in a state where each of ultrasonic parameters is preconfigured in a predetermined range, the ultrasonic irradiation apparatus places an ultrasonic generation unit within a threshold range from the epidermis of an object to irradiate the epidermis of the object with ultrasonic waves, the ultrasonic parameters include at least a pressure of ultrasonic waves and a duty percentage of the ultrasonic waves, the pressure of the ultrasonic waves is 0.5 MPa to 1 MPa, and the duty percentage of the ultrasonic waves is 1% to 5%.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: July 9, 2024
    Assignee: BioInfra Life Science Inc.
    Inventors: Chul Woo Kim, Dong Hee Park, Jong Ho Won, Hea Ry Oh
  • Patent number: 11747846
    Abstract: Disclosed is a digital LDO regulator capable of performing asynchronous binary search using a binary-weighted PMOS array. The digital LDO regulator includes a PMOS array unit including a binary-weighted PMOS array and that binary searches the PMOS array asynchronously, and a mode determining unit that operates in at least one of a fine mode, a coarse mode, and a medium mode, based on an output voltage of the PMOS array unit.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: September 5, 2023
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Jun Young Maeng, In Ho Park, Jin Woo Jeon, Hyun Jin Kim
  • Publication number: 20230177676
    Abstract: Provided are a substrate inspecting unit capable of monitoring line defects or a bunch of spots formed on a substrate, and a substrate processing apparatus including the same. The substrate processing apparatus comprises a process processing unit for supporting a substrate; an inkjet head unit for discharging a droplet on the substrate while moving in a first direction and a second direction; a gantry unit for moving the inkjet head unit; and a substrate inspecting unit for inspecting the substrate in real time based on a plurality of droplets belonging to at least one row or column when the droplet is discharged onto the substrate and formed in the at least one row or column, wherein the substrate inspecting unit inspects a first defect related to a line caused by the plurality of droplets and/or a second defect related to an area caused by the plurality of droplets.
    Type: Application
    Filed: October 26, 2022
    Publication date: June 8, 2023
    Inventor: Chul Woo KIM
  • Patent number: 11664331
    Abstract: A semiconductor package is provided. The semiconductor package comprises a first substrate, a second substrate disposed on the first substrate, a first semiconductor chip disposed on the second substrate, and a stiffener extending from an upper surface of the first substrate to an upper surface of the second substrate, the stiffener not being in contact with the first semiconductor chip, wherein a first height from the upper surface of the first substrate to an upper surface of the first semiconductor chip is greater than a second height from the upper surface of the first substrate to an uppermost surface of the stiffener.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul Woo Kim, Sang Min Yong, Yang Gyoo Jung
  • Publication number: 20220339749
    Abstract: A substrate processing apparatus includes a substrate support unit including a chuck for supporting a substrate, a fluid supply unit that supplies a processing fluid to the substrate, and a recovery unit surrounding the chuck and recovering the supplied processing fluid. The substrate support unit includes an antistatic material in which milled carbon fibers (MCF) are blended into a perfluoroalkoxy alkane (PFA) resin.
    Type: Application
    Filed: March 19, 2022
    Publication date: October 27, 2022
    Applicants: SEMES CO., LTD., Shinil Chemical Industry Co., Ltd.
    Inventors: Sung Lin LEE, Sung Ho JANG, Chul Woo KIM, Dong Yol RYU, Bo Ram KWON
  • Patent number: 11461704
    Abstract: A computing device of the present invention estimates an unknown parameter ? of a model formula when distributed sample data is acquired, wherein when an estimated quantity of ? is acquired, a function g is estimated using a random forest model, such that when an estimated quantity of g is acquired, the estimated quantity of g and the estimated quantity of ? are used so as estimate a function G as a prediction formula for new data corresponding to a specific item such that an estimated quantity of G is acquired, and thus new data xnew is received, thereby enabling the class of the specific item to be classified from the calculated value.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: October 4, 2022
    Assignee: BIOINFRA LIFE SCIENCE INC.
    Inventors: Chul Woo Kim, Yong Dai Kim, Kyung Nam Kang, Oh Ran Kwon
  • Publication number: 20220308611
    Abstract: Disclosed is a digital LDO regulator capable of performing asynchronous binary search using a binary-weighted PMOS array. The digital LDO regulator includes a PMOS array unit including a binary-weighted PMOS array and that binary searches the PMOS array asynchronously, and a mode determining unit that operates in at least one of a fine mode, a coarse mode, and a medium mode, based on an output voltage of the PMOS array unit.
    Type: Application
    Filed: September 2, 2021
    Publication date: September 29, 2022
    Applicant: Korea University Research and Business Foundation
    Inventors: Chul Woo KIM, Jun Young MAENG, In Ho PARK, Jin Woo JEON, Hyun Jin KIM
  • Publication number: 20220186986
    Abstract: Disclosed herein a cooling system includes a refrigerant circulator that a refrigerant is circulated, wherein the refrigerant circulator includes a first compressor configured to pressurize the refrigerant in gaseous state; a first cooler configured to cool the refrigerant pressurized by the first compressor; a first gas-liquid separator configured to separate the refrigerant cooled by the first cooler into a first refrigerant flow of a gas component and a second refrigerant flow of a liquid component; a second compressor configured to pressurize the first refrigerant flow; a second cooler configured to cool the first refrigerant flow pressurized by the second compressor; a second gas-liquid separator configured to separate the refrigerant cooled by the second cooler into a third refrigerant flow of a gas component and a fourth refrigerant flow of a liquid component; a first expansion member configured to decompress the fourth refrigerant flow.
    Type: Application
    Filed: April 1, 2019
    Publication date: June 16, 2022
    Inventors: Tae Yun KIM, Hyun Ki PARK, Chul Woo KIM, Dong Hun LEE
  • Publication number: 20220021392
    Abstract: A sub-sampling phase-locked loop includes a first phase output unit sub-sampling an output clock of a digitally-controlled oscillator and outputting a sign bit corresponding to a voltage-domain phase and a second phase output unit outputting a gain bit corresponding to a time-domain phase based on a pulse width set according to the output clock and a threshold time set according to the reference clock.
    Type: Application
    Filed: February 4, 2021
    Publication date: January 20, 2022
    Applicant: Korea University Research and Business Foundation
    Inventors: Chul Woo KIM, Yoon Jae CHOI
  • Patent number: 11228317
    Abstract: A sub-sampling phase-locked loop includes a first phase output unit sub-sampling an output clock of a digitally-controlled oscillator and outputting a sign bit corresponding to a voltage-domain phase and a second phase output unit outputting a gain bit corresponding to a time-domain phase based on a pulse width set according to the output clock and a threshold time set according to the reference clock.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: January 18, 2022
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Yoon Jae Choi
  • Publication number: 20220008705
    Abstract: Disclosed are a method for increasing the viability of cells by ultrasound irradiation and an ultrasound irradiation apparatus using same. The method comprises: applying a drug and an epidermal drug delivery system onto the epidermis of a subject; and, with ultrasound parameters each being preset within a certain range, an ultrasound irradiation apparatus irradiating ultrasound onto the epidermis of the subject through an ultrasound generation unit placed within a critical range from the epidermis of the subject, wherein the epidermal drug delivery system induces the formation of cavities, i.e., cavitation around the epidermis of the subject when the ultrasound is irradiated, the ultrasound parameters at least include an ultrasound pressure and an ultrasound duty percentage, the ultrasound pressure is 0.5-1 MPa, and the ultrasound duty percentage is 1-5%.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 13, 2022
    Inventors: Chul Woo KIM, Dong Hee PARK, Jong Ho WON, Hea Ry OH
  • Patent number: 11217503
    Abstract: A semiconductor package includes a substrate and an interposer disposed on the substrate. The interposer comprises a first surface facing the substrate and a second surface facing away from the substrate. A first logic semiconductor chip is disposed on the first surface of the interposer and is spaced apart from the substrate in a first direction orthogonal to an upper surface of the substrate. A first memory package is disposed on the second surface of the interposer. A second memory package is disposed on the second surface of the interposer and is spaced apart from the first memory package in a second direction that is parallel to the upper surface of the substrate. A first heat transfer unit is disposed on a surface of the substrate facing the first logic semiconductor chip. The first heat transfer unit is spaced apart from the first logic semiconductor chip in the first direction.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Gyoo Jung, Chul Woo Kim, Hyo-Chang Ryu, Seung-Kwan Ryu, Yun Seok Choi
  • Patent number: RE50339
    Abstract: A control method of a host electronic device communicating with a client electronic device is provided. The control method includes forming a connection with the client electronic device, determining an application to be shared with the client electronic device, generating shared data for the application to be shared, and transmitting the shared data to the client electronic device.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: March 18, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Young Jeong, Kang-Tae Kim, Chul-Joo Kim, Kun-Woo Baek, Hee-Ran Youn