Patents by Inventor Jung-kyu Lee

Jung-kyu Lee 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: 11028876
    Abstract: A slide unit includes a fixed rail fixed to a main body, and provided with a first accommodation space, a movable rail connected to a drawer body to allow the drawer body to be pulled out from and pushed into the main body, provided with a second accommodation space, and configured to be movable with respect to the fixed rail, an inner rail configured such that a first end thereof is inserted in the first accommodation space and a second end thereof is inserted in the second accommodation space, so as to allow the movable rail to be slidable with respect to the fixed rail, and a plurality of slide balls inserted in the first accommodation space to be disposed between the fixed rail and the inner rail, and inserted in the second accommodation space to be disposed between the movable rail and the inner rail.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: June 8, 2021
    Assignee: SEGOS CO., LTD.
    Inventors: Doo Myun Lee, Sung Joon Kang, Duc Hoi Kim, In Suk Ra, Jung Kyu Lim, Sung Woo Kim, Jae Hyuk Lim
  • Patent number: 11027939
    Abstract: A sheet folding device includes a folding path, a folding roller including at least two rollers that engage with each other to form a folding nip and rotate, a folding blade to be movable to an insertion location at which at least one sheet of paper on the folding path is pushed into the folding nip, and to a retreat location escaping from the folding path, a guide member to move along with the folding blade, located at at least one side of the folding blade, and to push the paper towards the folding roller when the folding blade is moved to the insertion location and an elastic member to apply elasticity to the guide member towards the folding roller.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 8, 2021
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Jae Hyun Shin, Jung Kyu Park, Eiji Fukasawa, Soo Bok Lee, DongSun Jung
  • Publication number: 20210166749
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: January 14, 2021
    Publication date: June 3, 2021
    Inventors: DAE-SIK MOON, GIL-HOON CHA, KI-SEOK OH, CHANG-KYO LEE, YEON-KYU CHOI, JUNG-HWAN CHOI, KYUNG-SOO HA, SEOK-HUN HYUN
  • Patent number: 11025161
    Abstract: Disclosed are an electric vehicle capable of improving the charging efficiency of a charging apparatus by reducing the switching loss that may occur in the charging apparatus of an electric vehicle and a charging apparatus thereof. To this end, a power factor correction apparatus of an on board charger includes a first boost circuit receiving AC power through a first inductor to charge a load, a second boost circuit receiving the AC power through a second inductor to charge the load, and a third inductor provided between a leg of the first boost circuit and a leg of the second boost circuit so that parasitic capacitors of the first boost circuit and the second boost circuit are discharged.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: June 1, 2021
    Assignees: Hyundai Motor Company, KIA Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: JongPil Kim, Jaehyuk Choi, Woo Young Lee, HanShin Youn, Gun-Woo Moon, Jae-Ii Baek, Jung-Kyu Han, Moo-Hyun Park
  • Publication number: 20210156925
    Abstract: Disclosed are a method for checking defects in a lithium ion secondary battery and a lithium ion secondary battery manufactured thereby. The method includes primarily charging and degassing the lithium ion secondary battery after manufacture of the secondary battery, secondarily charging and discharging the secondary battery and then measuring one or more of OCVs and IRs of lithium ion secondary battery cells; pressurizing and aging the secondary battery by aging the secondary battery in a state in which a pressure of a designated magnitude or more is applied to the secondary battery, and checking whether or not the secondary battery cells are defective by re-measuring the one or more of OCVs and IRs of the secondary battery cells and then comparing the re-measured one or more of the OCVs and the IRs to the previously measured one or more of the OCVs and the IRs.
    Type: Application
    Filed: April 1, 2020
    Publication date: May 27, 2021
    Inventors: Sang Mok Park, Young Woo Lee, Ik Kyu Kim, Sung Ho Ban, Yoon Ji Lee, Jung Young Cho
  • Publication number: 20210145686
    Abstract: A skin care device according to an embodiment includes a main body and a head part connected to the main body, wherein the head part includes a housing in which an upper portion thereof is open, and including an accommodation space therein, an electrode part disposed in the housing, a plurality of light emitting elements disposed in the housing and spaced apart from the electrode part, and a cover part for shielding of the open upper region of the housing, wherein the cover part includes a hole corresponding to the electrode part, a part of the electrode part protrudes from an upper surface of the cover part via the hole, and an upper surface of the electrode part facing a skin of a user includes a convex curved surface toward the skin.
    Type: Application
    Filed: November 3, 2020
    Publication date: May 20, 2021
    Applicants: LG HOUSEHOLD & HEALTH CARE LTD., AMOSENSE CO., LTD.
    Inventors: Sung Taek OH, Sang Dong JEONG, Jin Pyo PARK, Hyung Kyu KIM, Jung Yong LEE, Kyung Won KIM
  • Patent number: 11008435
    Abstract: Embodiments relate to a process for regenerating a polyester container and regenerated polyester chips prepared therefrom. The process comprises preparing a polyester container provided with a heat shrinkable film; crushing the container provided with the heat shrinkable film to obtain flakes; and thermally treating the flakes to produce regenerated polyester chips, wherein when the flakes are thermally treated at a temperature of 200° C. to 220° C. for 60 minutes to 120 minutes, the clumping fraction is 5% or less, and the flakes comprise first flakes obtained by crushing the container and second flakes obtained by crushing the heat shrinkable film. It not only solves the environmental problems by improving the recyclability of the polyester container, but also is capable of enhancing the yield and productivity.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 18, 2021
    Assignees: SKC INC., SKC CO., LTD.
    Inventors: Daeyong Shin, Yongdeuk Kim, Jung Kyu Lee, Jaehyong Son, Eugene Jung
  • Patent number: 11008434
    Abstract: Embodiments relate to a heat shrinkable film and a process for regenerating a polyester container using the same. The heat shrinkable film comprises a copolymerized polyester resin comprising a diol component and a dicarboxylic acid component and has a heat shrinkage rate of 30% or more in the main shrinkage direction upon thermal treatment at a temperature of 80° C. for 10 seconds and a melting point of 190° C. or higher as measured by differential scanning calorimetry. It not only solves the environmental problems by improving the recyclability of the polyester container, but also is capable of enhancing the yield and productivity.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 18, 2021
    Assignees: SKC INC., SKC CO., LTD.
    Inventors: Daeyong Shin, Yongdeuk Kim, Jung Kyu Lee, Jaehyong Son, Eugene Jung
  • Publication number: 20210139414
    Abstract: The present invention relates to novel benzylideneacetone derivatives or uses thereof, more specifically, the present invention relates to a pharmaceutical composition for preventing or treating, or food composition for ameliorating a cancer or a bone disease comprising a compound defined by Formula 1 or pharmaceutically acceptable salt thereof as an active ingredient. Since compounds according to the present invention exhibit strong inhibitory activity on proliferation and differentiation of osteoclast, and activity on proliferation and differentiation of osteoblast, it can be usefully used to develop safe and effective anti-cancer agents, and therapeutic agents for preventing and treating or foods for ameliorating bone diseases including osteoporosis, and the like.
    Type: Application
    Filed: July 27, 2018
    Publication date: May 13, 2021
    Inventors: Gil Hong PARK, Jin Mo KU, Jung Hun LEE, Da Woon SONG, Serk In PARK, Han Kyeom KIM, Soon Hyuck LEE, Hong Kyu KIM, Pativada TRIVENI, Myung Hwan KIM
  • Patent number: 11006393
    Abstract: The present invention relates to a method and an apparatus for transmitting control and training symbols to improve transmission efficiency in a multi-user wireless communication system. The method for transmitting the control and training symbols in the multi-user wireless communication system according to one embodiment of the present invention comprises the steps of: determining whether a required transmission rate of each data can be satisfied through channel estimation in each of terminals when different data are simultaneously transmitted to each of the terminals; and transmitting a data frame to each of the terminals, the data frame being composed to discriminate the control and training symbols in each of the terminals using a combination of time, frequency, and code area when the required transmission rate of each data is not satisfied according to the determined result.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 11, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yu-Ro Lee, Jung-Bo Son, Sok-Kyu Lee
  • Patent number: 11004870
    Abstract: A transistor structure may include a first electrode, a second electrode, a third electrode, a substrate, and a semiconductor member. The semiconductor member overlaps the third electrode and includes a first semiconductor portion, a second semiconductor portion, and a third semiconductor portion. The first semiconductor portion directly contacts the first electrode, is directly connected to the third semiconductor portion, and is connected through the third semiconductor portion to the second semiconductor portion. The second semiconductor portion directly contacts the second electrode and is directly connected to the third semiconductor portion. A minimum distance between the first semiconductor portion and the substrate is unequal to a minimum distance between the second semiconductor portion and the substrate.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: May 11, 2021
    Inventors: Hyun Sup Lee, Jung Hun Noh, Keun Kyu Song, Sang Hee Jang, Byung Seok Choi
  • Publication number: 20210131427
    Abstract: Disclosed is a scroll compressor capable of preventing reverse flow of refrigerant and reducing flow noise. The scroll compressor efficiently distribute refrigerant suctioned into the scroll compressor to a compression chamber and a drive unit. The scroll compressor includes a main body, a fixed scroll fixedly installed in the main body, an orbiting scroll configured to engage with the fixed scroll and perform a relative orbiting motion, and to form a compression chamber with the fixed scroll, a partition plate disposed above the fixed scroll to separate an inside of the main body into a low-pressure portion and a high-pressure portion, a first check valve installed at a discharge port of the fixed scroll to open and close the discharge port, and a second check valve installed on the partition plate to open and close an opening allowing communication between the low-pressure portion and the high-pressure portion.
    Type: Application
    Filed: August 29, 2018
    Publication date: May 6, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Kyu CHO, Yang Sun KIM, Jung-Hoon PARK, Jong Eun LEE
  • Patent number: 10996050
    Abstract: Provided are an apparatus and a method for measuring a three dimensional shape with improved accuracy. The apparatus includes a stage, at least one lighting unit, a plurality of image pickup units and a control unit. The stage supports an object to be measured. The lighting unit includes a light source and a grid, and radiates grid-patterned light to the object to be measured. The image pickup units capture, in different directions, grid images reflected from the object to be measured. The control unit calculates a three dimensional shape of the object from the grid images captured by the image pickup units. The present invention has advantages in capturing grid images through a main image pickup portion and sub-image pickup portions, enabling the measurement of the three dimensional shape of the object in a rapid and accurate manner.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 4, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Seung-Jun Lee, Kwangill Koh, Moon-Young Jeon, Sang-Kyu Yun, Hong-Min Kim, Jung Hur
  • Patent number: 10994206
    Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 4, 2021
    Assignee: NEXON KOREA CORPORATION
    Inventors: Jung Kyu Ye, Geon Yeong Kim, Chang Hoon Yi, Joo Seok Lee, Guhyun Park, Young Suk Kim, Jae Hyun Park, June Sik Yi, Hun Joon Ha, Nak Hyun Kim, Ho Sik Kim, Jeong Min Seo, Tae Hoon Koo, Duc Chun Kim, Seoung Hwi Jung, Byung Eun Jin, Jin Woo Lee, Seok Hyun Kim, Ju Yong Lim, Hyun Ju Cho, Sang Yeop Lee, Min Kwan Chae, Sang Ho Kim, Hee Seok Kang, Seongkwan Lee, Jeong Pyo Hong, Choong Yeol Lee, Yong Woo Park, Kyoung Su Lee, Yu Ju Kim, Dong Gook Lee, Hyun Jin Kim, Hyun Jeong Lee, Dong Young Chang, Jong Min Lee, Jin Woo Lee, Song I Han, Taek Ki Lee, Eun Ji Nam, Choon Hwa Lee, Young Min Kang, Jung Soo Lee
  • Patent number: 10998591
    Abstract: Provided is a battery and capacitor hybrid assembly structure includes a cylindrical metal casing, a circular metal cover plate connected to a top end periphery of the cylindrical metal casing by means of an insulation ring to seal an interior of the cylindrical metal casing, a capacitor disposed inside the cylindrical metal casing, a battery disposed inside the cylindrical metal casing in such a manner as to be placed above the capacitor, and an insulating and sealing member for enclosing the capacitor so that the capacitor is sealed inside the cylindrical metal casing.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 4, 2021
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Jong Kyu Lee, Byung Gwan Lee
  • Publication number: 20210123843
    Abstract: A method for preparing a SiC ingot includes: disposing a raw material and a SiC seed crystal facing each other in a reactor having an internal space; subliming the raw material by controlling a temperature, a pressure, and an atmosphere of the internal space; growing the SiC ingot on the seed crystal; and collecting the SiC ingot after cooling the reactor. The wafer prepared from the ingot, which is prepared from the method, generates cracks when an impact is applied to a surface of the wafer, the impact is applied by an external impact source having mechanical energy, and a minimum value of the mechanical energy is 0.194 J to 0.475 J per unit area (cm2).
    Type: Application
    Filed: June 29, 2020
    Publication date: April 29, 2021
    Applicant: SKC Co., Ltd.
    Inventors: Jong Hwi PARK, Jongmin SHIM, Eun Su YANG, Yeon Sik LEE, Byung Kyu JANG, Jung Woo CHOI, Sang Ki KO, Kap-Ryeol KU, Jung-Gyu KIM
  • Patent number: 10991157
    Abstract: Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 27, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung-Jae Yu, Kyung-Kyu Kang, Hye-Sun Kim, Chang-Joon Park, Yun-Ji Ban, Dong-Wan Ryoo, Man-Hee Lee, Chang-Woo Chu
  • Publication number: 20210119504
    Abstract: A rotor including a first rotor part and a second rotor part which are disposed in a shaft direction is provided. The first rotor part includes a first rotor core, a plurality of first magnets disposed on an outer circumferential surface of the first rotor core, and a first holder configured to fix the plurality of first magnets. The first holder includes a first body in a cylindrical shape, a first plate which is connected to the first body and configured to cover the plurality of first magnets, and a plurality of first coupling protrusions which protrude from an inner circumferential surface of the first body and are coupled to the first rotor core. A motor is also provided.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 22, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Kyu LEE, Shung Hun WOO
  • Publication number: 20210082343
    Abstract: A display device includes: a display area and a non-display area positioned around the display area and including a pad portion and a contact portion that is disposed between the display area and the pad portion; a first circuit portion including an embedded circuit disposed in the display area, a first connection electrode disposed in the pad portion, and a second connection electrode disposed in the contact portion; and a second circuit portion disposed on a layer different from the first circuit portion and including a pixel disposed in the display area, a pad disposed in the pad portion, and a data line extending across the contact portion and the display area and electrically connected to the pixel. The pad is electrically connected to the embedded circuit through the first connection electrode. The data line is electrically connected to the embedded circuit via the second connection electrode.
    Type: Application
    Filed: April 6, 2020
    Publication date: March 18, 2021
    Inventors: Jung Kyu LEE, Seung Hwan CHO, Min Joo KIM, Tae Hyun KIM, Dong Hwan SHIM
  • Publication number: 20210054140
    Abstract: The embodiments relate to a polyester film, which comprises a copolymerized polyester resin comprising a diol component and a dicarboxylic acid component and has a heat shrinkage rate of 30% or more in the main shrinkage direction upon thermal treatment at a temperature of 80° C. for 10 seconds and a melting point of 170° C. or higher as measured by differential scanning calorimetry, which not only solve the environmental problems by improving the recyclability of the polyester container, but also are capable of enhancing the yield and productivity, and a process for regenerating a polyester container using the same.
    Type: Application
    Filed: April 30, 2019
    Publication date: February 25, 2021
    Inventors: Dae Yong SHIN, Yong Deuk KIM, Jung Kyu LEE, Jaehyong SON, Eugene JUNG, Chul Kyu KIM, Joo Ho YANG