Patents by Inventor Dong Ok

Dong Ok 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: 20220347081
    Abstract: The present disclosure relates to a composition for preventing hair loss or promoting hair growth, which contains a mixture of cucumber, eggplant and snail extracts as an active ingredient. The composition according to the present disclosure, which contains a mixture of cucumber, eggplant and snail extracts as an active ingredient, has been confirmed to increase the expression of hepatocyte growth factor (HGF), keratinocyte growth factor (KGF) and insulin-like growth factor 1 (IGF-1) in dermal papilla cells which are known to play a critical role in the induction of new hair follicles and maintenance of hair growth, exhibit hair-growing effect comparable to that of minoxidil in a hair growth test for depilated 6-week-old C57BL/6 mice, and exhibit hair loss-improving effect in a clinical test for human. Accordingly, it can be usefully used as a cosmetic composition or a pharmaceutical composition for external application to skin for preventing hair loss or promoting hair growth.
    Type: Application
    Filed: June 23, 2020
    Publication date: November 3, 2022
    Applicant: OGADAL INC.
    Inventors: Dong wan LEE, Seoung OK KIM, Haseop LEE
  • Patent number: 11480232
    Abstract: A dual clutch transmission may include a first input shaft, a second input shaft, a first output shaft and a second output shaft; a first gear constrained to the first input shaft; a second gear and a third gear constrained to the second input shaft; a fourth gear provided to constrain the rotation to the second input shaft; a fifth gear which is engaged with the third gear; a sixth gear which is gear-engaged with the fourth gear; a seventh gear which is engaged with the first gear; an eighth gear which is gear-engaged with the second gear; and a ninth gear which is gear-engaged with the fourth gear.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: October 25, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Soon Ki Eo, Dong Woo Kim, Min Ho Chae, Il Han Yoo, Chon Ok Kim, Marcus Meyer, Mirko Leesch, Erik Schreiterer, Rico Resch, Matthias Hoehne, Joerg Mueller
  • Patent number: 11477746
    Abstract: An operation method of a first communication node operating as a current reference grand master (GM) node in a vehicle network includes: transmitting a first synchronization message including a first reference time of the first communication node; receiving a first response message from a second communication node, the first response message including a first synchronization offset indicating a difference between a first local time of the second communication node and the first reference time; receiving a second response message from the second communication node, the second response message including a second synchronization offset indicating a difference between the first local time and a second reference time of a third communication node operating as a GM node; and determining the first communication node or the third communication node as a new reference GM node based on a result of comparison between the first synchronization offset and the second synchronization offset.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: October 18, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kang Woon Seo, Dong Ok Kim, Jin Hwa Yun
  • Publication number: 20220263071
    Abstract: According to embodiments of the present invention, there is provided an anode active material for a lithium secondary battery including a silicon oxide which includes a carbon coating layer on a surface thereof and is doped with magnesium. A ratio of peak area at 1303 eV to a sum of a peak area at 1304.5 eV and a peak area at 1303 eV, which appear in a Mg1s spectrum when measuring by X-ray photoelectron spectroscopy (XPS), is 60% or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: August 18, 2022
    Inventors: Gwi Ok Park, Ju Ho Chung, Joon Sup Kim, Eun Jun Park, Dong Il Jang
  • Publication number: 20220263081
    Abstract: Provided is a lithium secondary battery including a silicon-based anode active material for a lithium secondary battery and an anode formed using the same. The silicon-based anode active material for a lithium secondary battery according to exemplary embodiments includes a surface coated with carbon and doped with lithium. A ratio of a peak area at 102.5 eV to a total area of a peak area at 100 eV, the peak area at 102.5 eV, and a peak area at 104 eV, which appear in an Si2p spectrum when measuring by X-ray photoelectron spectroscopy (XPS), is 40% or less, thereby allowing an electrode to be stably manufactured without changing physical properties of the slurry during manufacturing the electrode. In addition, the anode active material for a secondary battery may be usefully used to manufacture a lithium secondary battery having high discharge capacity and high energy density characteristics.
    Type: Application
    Filed: October 7, 2021
    Publication date: August 18, 2022
    Inventors: Ju Ho Chung, Gwi Ok Park, Joon Sup Kim, Eun Jun Park, Dong Il Jang
  • Patent number: 11418104
    Abstract: Disclosed are a current measurement method for a three-phase pulse width modulation inverter using a real-time switch junction temperature estimation technique, and a three-phase pulse width modulation inverter system. The current measurement method may comprise the steps of: calculating a power loss of a switch of an inverter; estimating the junction temperature (T j) of the switch by using a thermal equivalent circuit; estimating a resistance (R ds on) value between both ends of a drain and a source by using a resistance (R ds on) map based on the junction temperature (T j); and using, as a control signal of the inverter, a current value calculated based on the estimated resistance (R ds on) value.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: August 16, 2022
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Geun Ho Lee, Jae Yeob Hwang, Hee Sun Lim, Dong Gil Kang, Dong Ok Kim
  • Publication number: 20220235693
    Abstract: The present invention relates to a heat exchanger for a motor vehicle provided on the front surface of an engine room of the vehicle, and, more particularly, to a heat exchanger for a motor vehicle including a sealing member provided on the circumference of the heat exchanger in order to prevent driving-induced wind from leaking to the outside of the heat exchanger without passing through the heat exchanger.
    Type: Application
    Filed: June 15, 2020
    Publication date: July 28, 2022
    Inventors: Gwang Ok KO, Seong Woo JEONG, Young Kook HWANG, Hyuk KIM, Dong Mi JEONG
  • Patent number: 11396591
    Abstract: The lightweight footwear of the present invention maintains excellent durability and improves heat resistance, so that contraction percentage due to a change with the passage of time is significantly low, rarely causing deformation, and thus, the lightweight footwear may be used in a high temperature and sanitary environment. In addition, the present invention solves the problem of the occurrence of premature foaming due to injection molding and a pattern on the appearance due to dispersion failure, thereby facilitating injection molding.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 26, 2022
    Assignees: NANOTECH CERAMICS CO., LTD., KOREA INSTITUTE OF FOOTWEAR AND LEATHER TECHNOLOGY
    Inventors: Sang Ok Jeong, Sang Young Park, Dong Hun Han, Young Min Kim, Dan Bi Lee
  • Publication number: 20220221494
    Abstract: Disclosed are a current measurement method for a three-phase pulse width modulation inverter using a real-time switch junction temperature estimation technique, and a three-phase pulse width modulation inverter system. The current measurement method may comprise the steps of: calculating a power loss of a switch of an inverter; estimating the junction temperature (T j) of the switch by using a thermal equivalent circuit; estimating a resistance (R ds on) value between both ends of a drain and a source by using a resistance (R ds on) map based on the junction temperature (T j); and using, as a control signal of the inverter, a current value calculated based on the estimated resistance (R ds on) value.
    Type: Application
    Filed: October 23, 2020
    Publication date: July 14, 2022
    Inventors: Geun Ho LEE, Jae Yeob HWANG, Hee Sun LIM, Dong Gil KANG, Dong Ok KIM
  • Publication number: 20220207100
    Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 30, 2022
    Inventors: So Yon SUNG, Ji Sun LEE, Bum Sun RYU, Jee Won YOU, Ki Byung CHAE, Uh Chul KIM, Do Hyun YOUN, Young Min PARK, Eun Ho SON, Min Jung KIM, Jin Hwan LEE, Jun Young KIM, Hyun Ok CHOI, Hye Sun KIM, Tae Joong YOON, Ha Na JUNG, Dong Keun LEE, Do Yi KIM, Min Jeong YANG, Hong Chan YUN
  • Patent number: 11336470
    Abstract: An operation method of a first end node of an Ethernet-based vehicle network is provided. The operation method includes detecting a local event and transitioning an operation state of a physical layer (PHY) of the first end node from a sleep state to a wake-up state. A pseudo PHY identifier (ID) is configured as a PHY ID of the first end node in response to the first end node operating in the wake-up state. A first beacon including the pseudo PHY ID is then transmitted and the first beacon indicates that the first end node operates in the wake-up state.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Ok Kim, Seung Su Kim, Jin Hwa Yun
  • Publication number: 20220140346
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 20, 2021
    Publication date: May 5, 2022
    Inventors: Young-Gi LEE, Dong Ok SHIN, Yong Min LEE, Seoungwoo BYUN, Juhye SONG, Kwang Man KIM, Dohwan KIM, Ju Young KIM, Jimin OH
  • Patent number: 11320891
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 3, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20220131233
    Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 28, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young-Gi LEE, Ju Young KIM, Seok Hun KANG, Kwang Man KIM, YOUNG SAM PARK, Dong Ok SHIN
  • Publication number: 20220131181
    Abstract: Provided is a method for manufacturing a solid secondary battery, wherein the method includes forming a composite electrolyte film, and forming a positive electrode and a negative electrode respectively on both surfaces of the composite electrolyte film. The forming of a composite electrolyte film includes preparing inorganic ion conductor powder coated with an ion resistance layer, removing the ion resistance layer to expose the surface of the inorganic ion conductor powder, mixing the inorganic ion conductor powder with an organic ion conductor and a solvent to prepare a composite electrolyte solution, and removing the solvent from the composite electrolyte solution.
    Type: Application
    Filed: August 10, 2021
    Publication date: April 28, 2022
    Inventors: Dong Ok SHIN, Young-Gi LEE, Myeong Ju LEE, Seok Hun KANG, Kwang Man KIM, Jumi KIM, Ju Young KIM, Jimin OH
  • Publication number: 20220131133
    Abstract: Provided is a composite electrode for an all-solid-state secondary battery including a first active material and a second active material, wherein the first active material and the second active material include different materials from each other, and the content of the first active material is 50 vol % to 98 vol % based on the total volume of the first active material and the second active material, the first active material has a volume change rate of 0 vol % to 30 vol % according to volume expansion/contraction during a charging/discharging process, and the second active material has a volume change rate of 35 vol % to 1000 vol % according to volume expansion/contraction during a charging/discharging process.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Inventors: Ju Young KIM, Young-Gi LEE, Seok Hun KANG, Dong Ok SHIN, Myeong Ju LEE, Kwang Man KIM, Jimin OH
  • Publication number: 20220131150
    Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 28, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Young-Gi LEE, Sung You HONG, Min Pyeong KIM, Dong Ok SHIN, Ju Young KIM, Juhye SONG, Ho Seung LEE
  • Patent number: 11314319
    Abstract: An operation method of a communication node in an Ethernet-based vehicle network, the communication node including a regulator, a physical (PHY) layer unit, and a processor, includes outputting, by the processor, a first signal to initiate a supply of power to the communication node; outputting, by the processor, a second signal to initiate a transition of the communication node from a normal mode to a sleep mode; and transitioning, by the PHY layer unit, the communication node from the normal mode to the sleep mode when the second signal is received at the PHY layer unit from the processor.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: April 26, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Yu, Jin Hwa Yun, Kang Woon Seo, Jun Byung Chae, Dong Ok Kim
  • Publication number: 20220091150
    Abstract: The inventive concept provides a wafer type sensor unit which acquires data on a wind direction and a wind velocity of an air flow during processing, the wafer type sensor unit supported by a supporting unit of a substrate processing apparatus. The unit comprising a wafer-shaped circuit board and a hot-wired wind velocity sensor placed apart from an upper surface of the circuit board.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 24, 2022
    Inventors: Yong-Jun SEO, Sang Hyun SON, Ji Su HONG, Jae Myoung LEE, Dong Ok AHN
  • Publication number: 20220072848
    Abstract: Disclosed are an apparatus and a method for quickly and accurately inspecting a droplet on a substrate. An apparatus for inspecting a droplet on a substrate according to an exemplary embodiment of the present disclosure includes: an ultrasonic sensor configured to apply an ultrasonic wave to a droplet on the substrate and detect an ultrasonic wave reflected from the substrate; and a processor configured to acquire a height of the droplet at each position on the substrate on the basis of a signal of the ultrasonic wave reflected from the droplet on the substrate, calculate a volume of the droplet on the basis of the heights of the droplet at the positions, and store or output data in relation to the volume of the droplet. The embodiment of the present disclosure may calculate the volume of the droplet using the ultrasonic wave, thereby quickly and accurately inspecting the droplet on the substrate.
    Type: Application
    Filed: September 5, 2021
    Publication date: March 10, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Kwang Sup KIM, Dong Ok AHN, Jong Min LEE, Jun Ho OH, Ji Hoon YOO, Young Ho PARK