Patents by Inventor Young Ho Ko

Young Ho Ko 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: 20250024128
    Abstract: A camera module includes a housing having an internal space; a reflective member disposed in the internal space; a lens barrel spaced apart from the reflective member, and configured to be movable relative to the reflective member in one or more of three axial directions intersecting each other; and an image sensor spaced apart from the reflective member, and including an imaging surface intersecting an optical axis direction, wherein the lens barrel and the image sensor are disposed closer to an object than the reflective member is, and are spaced apart from each other in a direction intersecting the optical axis direction.
    Type: Application
    Filed: July 9, 2024
    Publication date: January 16, 2025
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho BAIK, Young Ho KO, Phil Ho JUNG
  • Publication number: 20240167938
    Abstract: Provided is a quantum imaging device. The device includes a first light source configured to generate first light, a first photon pair generation part configured to generate a first entangled photon pair using the first light, a first beam splitter configured to separate the first entangled photon pair into a first signal idler and a first signal line, a first detector configured to receive the first signal idler, a first mirror configured to provide the first signal line to a target, a second detector configured to receive the first signal line transmitted or reflected to the target, and a signal processor connected to the first and second detectors and configured to obtain a target image by comparing a measurement image with a reference image.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Ho KO, Chungheon BAEK, Hye Min KIM, Mireu LEE, Hyunhee CHO
  • Publication number: 20240168307
    Abstract: Disclosed is a polarized light generating device based on an optical waveguide, which includes first to fourth input optical waveguides, respectively, for receiving input light from an outside, first to fifth optical splitters configured to receive at least one light and output the received at least one light as at least one light, and an optical converter configured to receive at least one light from the fifth optical splitter and convert the received light to generate polarized light. The polarized light generating device receives the input light through one of the first to fourth input optical waveguides, and generates a first polarized light, a second polarized light, a third polarized light, and a fourth polarized light. The first to fourth polarized lights belong to elements of two arbitrary two-dimensional mutually unbiased basis sets.
    Type: Application
    Filed: November 21, 2023
    Publication date: May 23, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kap Joong KIM, Chun Ju Youn, Young-Ho Ko, Minchul Kim, Seong Su Park, Kyongchun Lim, Byung-seok Choi, Joong-Seon Choe, Won Seok Han
  • Patent number: 11829050
    Abstract: An entangled-photon pair emitting device according to an embodiment of the inventive concept includes a piezoelectric structure having a first surface and a second surface, which face each other, wherein the piezoelectric structure includes an opening passing through the piezoelectric structure from the first surface to the second surface, a stress transfer medium that fills the opening, a light source emitting part disposed on the stress transfer medium, an upper electrode disposed on the first surface of the piezoelectric structure, and a lower electrode disposed on the second surface of the piezoelectric structure. Here, the light source emitting part includes a semiconductor thin-film and a quantum dot in the semiconductor thin-film.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: November 28, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Ho Ko, Mireu Lee
  • Patent number: 11770245
    Abstract: Disclosed is a quantum key distribution system using an RFI (reference frame independent) QKD (quantum key distribution) protocol, which includes a first signal processing circuit that generates transmission basis information and transmission bit information, a quantum channel transmitter that generates a single photon or coherent light, and modulates the single photon or the coherent light based on the transmission basis information and the transmission bit information to generate a quantum signal, a quantum channel receiver that receives the quantum signal through a quantum channel and detects reception bit information from the quantum signal based on reception basis information, and a second signal processing circuit that generates the reception basis information, transmits the reception basis information to the first signal processing circuit through a public channel, and receives the transmission basis information from the first signal processing circuit through the public channel.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: September 26, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyongchun Lim, Chun Ju Youn, Byung-seok Choi, Young-Ho Ko, Kap-Joong Kim, Minchul Kim, Ju Hee Baek, Joong-Seon Choe
  • Patent number: 11703638
    Abstract: Provided are a single-photon source device and a single-photon source system including same. The single-photon source device includes a substrate, a straight waveguide extending in a first direction on the substrate, a first coupling layer which is provided on the straight waveguide and has a first point defect, at least one first electrode which is adjacent to the first point defect and provided on the first coupling layer, a ring waveguide which is adjacent to the straight waveguide and provided on the substrate, and at least one second electrode provided on the ring waveguide.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: July 18, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young-Ho Ko, Kap-Joong Kim, Hye Min Kim, Mireu Lee
  • Publication number: 20230161222
    Abstract: An entangled-photon pair emitting device according to an embodiment of the inventive concept includes a piezoelectric structure having a first surface and a second surface, which face each other, wherein the piezoelectric structure includes an opening passing through the piezoelectric structure from the first surface to the second surface, a stress transfer medium that fills the opening, a light source emitting part disposed on the stress transfer medium, an upper electrode disposed on the first surface of the piezoelectric structure, and a lower electrode disposed on the second surface of the piezoelectric structure. Here, the light source emitting part includes a semiconductor thin-film and a quantum dot in the semiconductor thin-film.
    Type: Application
    Filed: September 6, 2022
    Publication date: May 25, 2023
    Inventors: Young-Ho Ko, Mireu Lee
  • Publication number: 20230084982
    Abstract: A method of setting a clutch control reference value includes monitoring the pressure of a clutch while a controller applies test current having a predetermined amplitude and frequency to a solenoid valve in the manner of gradually reducing the magnitude of the test current from a predetermined entry value, applying, when the amplitude of the pressure of the clutch starts to change, predetermined checking current, the checking current vertically oscillating based on the magnitude of current when the amplitude of the pressure of the clutch starts to change as a central value, and determining a volumetric kiss point (VKP) by comparing the amplitude of the pressure of the clutch according to application of the checking current with a predetermined reference range.
    Type: Application
    Filed: May 11, 2022
    Publication date: March 16, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Young Ho KO, Chi Hun CHO, Soo Young KIM
  • Patent number: 11603893
    Abstract: A method of setting a clutch control reference value includes monitoring the pressure of a clutch while a controller applies test current having a predetermined amplitude and frequency to a solenoid valve in the manner of gradually reducing the magnitude of the test current from a predetermined entry value, applying, when the amplitude of the pressure of the clutch starts to change, predetermined checking current, the checking current vertically oscillating based on the magnitude of current when the amplitude of the pressure of the clutch starts to change as a central value, and determining a volumetric kiss point (VKP) by comparing the amplitude of the pressure of the clutch according to application of the checking current with a predetermined reference range.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: March 14, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Young Ho Ko, Chi Hun Cho, Soo Young Kim
  • Patent number: 11594656
    Abstract: Disclosed are a quantum light source and an optical communication apparatus including the same. The quantum light source device includes a vertical reflection layer disposed on a substrate, a lower electrode layer disposed on the vertical reflection layer, a horizontal reflection layer disposed on the lower electrode layer, a quantum light source disposed in the horizontal reflection layer, and an upper electrode layer disposed on the horizontal reflection layer.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: February 28, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Ho Ko, Kap-Joong Kim, Byung-seok Choi, Won Seok Han
  • Publication number: 20230042493
    Abstract: The present invention relates to a double-stranded oligonucleotide capable of inhibiting CTGF expression with a very specific and high efficiency, a double-stranded oligonucleotide structure and nanoparticles comprising the double-stranded oligonucleotide, and a use thereof in preventing or treating of fibrotic or respiratory diseases.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 9, 2023
    Inventors: Han-Oh PARK, Tae-Rim KIM, Young-Ho KO, Sung ll YUN, Jun Hong PARK
  • Publication number: 20230022875
    Abstract: A line pressure control method for a double clutch transmission (DCT) includes estimating a line pressure, which decreases with stoppage of an electric oil pump, based on a linear regression model using state variables of the DCT that are related to a line pressure change, and driving the electric oil pump when the line pressure estimated based on the linear regression model reaches a predetermined lower limit.
    Type: Application
    Filed: March 10, 2022
    Publication date: January 26, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Hyung JOO, Young Ho KO
  • Patent number: 11543027
    Abstract: A line pressure control method for a double clutch transmission (DCT) includes estimating a line pressure, which decreases with stoppage of an electric oil pump, based on a linear regression model using state variables of the DCT that are related to a line pressure change, and driving the electric oil pump when the line pressure estimated based on the linear regression model reaches a predetermined lower limit.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: January 3, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Hyung Joo, Young Ho Ko
  • Patent number: 11522618
    Abstract: Disclosed are a quantum information transmitter, a quantum communication system including the same, and an operating method of the quantum information transmitter. The quantum information transmitter includes a light source driver, a light source, and a light modulator. The light source driver generates a first light source driving signal having a first level and a second light source driving signal having a second level. The light source generates a first light signal having a first average number of photons in response to the first light source driving signal, and generates a second light signal having a second average number of photons in response to the second light source driving signal. The optical modulator modulates the first light signal to generate a target signal, and modulates the second light signal to generate a decoy signal.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: December 6, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyongchun Lim, Chun Ju Youn, Young-Ho Ko, Kap Joong Kim, Minchul Kim, Byung-seok Choi, Joong-Seon Choe
  • Publication number: 20220290726
    Abstract: A method of setting a clutch control reference value may make it possible to more accurately learn the VKP of a hydraulic multi-plate clutch controlled by a solenoid valve, improving the accuracy of clutch control, and furthermore, to improve the quality of shifting a vehicle by the precise control of a transmission provided with such a clutch.
    Type: Application
    Filed: August 30, 2021
    Publication date: September 15, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Young Ho KO, Woo Jung KIM, Young Min YOON
  • Patent number: 11441622
    Abstract: A method of setting a clutch control reference value may make it possible to more accurately learn the VKP of a hydraulic multi-plate clutch controlled by a solenoid valve, improving the accuracy of clutch control, and furthermore, to improve the quality of shifting a vehicle by the precise control of a transmission provided with such a clutch.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: September 13, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Young Ho Ko, Woo Jung Kim, Young Min Yoon
  • Patent number: 11382480
    Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hwi-Chan Jang, Tae Soo Kim, Hyun Soo Jung, Sang Hwa Choi, Sang Sik Yoon, Shin Kim, Jin Hee Kim, Yeon Kyu Jeong, Hak Bong Lee, Young Ho Ko, Kyoung Woung Kim
  • Publication number: 20220171124
    Abstract: Provided are a single-photon source device and a single-photon source system including same. The single-photon source device includes a substrate, a straight waveguide extending in a first direction on the substrate, a first coupling layer which is provided on the straight waveguide and has a first point defect, at least one first electrode which is adjacent to the first point defect and provided on the first coupling layer, a ring waveguide which is adjacent to the straight waveguide and provided on the substrate, and at least one second electrode provided on the ring waveguide.
    Type: Application
    Filed: October 28, 2021
    Publication date: June 2, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Ho KO, Kap-Joong KIM, Hye Min KIM, Mireu LEE
  • Publication number: 20220141008
    Abstract: Disclosed is a quantum key distribution system using an RFI (reference frame independent) QKD (quantum key distribution) protocol, which includes a first signal processing circuit that generates transmission basis information and transmission bit information, a quantum channel transmitter that generates a single photon or coherent light, and modulates the single photon or the coherent light based on the transmission basis information and the transmission bit information to generate a quantum signal, a quantum channel receiver that receives the quantum signal through a quantum channel and detects reception bit information from the quantum signal based on reception basis information, and a second signal processing circuit that generates the reception basis information, transmits the reception basis information to the first signal processing circuit through a public channel, and receives the transmission basis information from the first signal processing circuit through the public channel.
    Type: Application
    Filed: September 29, 2021
    Publication date: May 5, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyongchun LIM, Chun Ju YOUN, Byung-seok CHOI, Young-Ho KO, Kap-Joong KIM, Minchul KIM, Ju Hee BAEK, Joong-Seon CHOE
  • Publication number: 20220088051
    Abstract: The present invention pertains to: a double-stranded oligonucleotide construct having a structure in which a hydrophilic substance and a hydrophobic substance are conjugated by a simple covalent bond or a linker-mediated covalent bond at both ends of a DKK1-specific double-stranded oligonucleotide to efficiently deliver the double-stranded oligonucleotide into cells; a nanoparticle capable of being produced through self-assembly of the double-stranded oligonucleotide construct through a hydrophobic interaction in an aqueous solution; and a hair-loss-preventing and hair-growth-promoting composition containing the double-stranded oligonucleotide construct or the nanoparticle.
    Type: Application
    Filed: January 15, 2020
    Publication date: March 24, 2022
    Inventors: Han-Oh PARK, Sung II YUN, Sang-Jin BYUN, Pyoung Oh YOON, Sang-Kyu LEE, Tae-Rim KIM, Young-Ho KO, Seung-Seob SON, Eun-Ah GOH, Hyung-Jin KIM