Patents by Inventor Hyun Ko

Hyun 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).

  • CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME
    Publication number: 20220134323
    Abstract: A catalyst for a hydrogenation reaction including: a polymer support; and a catalytic component supported on the polymer support. The polymer support comprises a repeating unit represented by Formula 1.
    Type: Application
    Filed: July 13, 2020
    Publication date: May 5, 2022
    Inventors: Myungji Suh, Dong Hyun Ko, Minkee Choi, Songhyun Lee
  • METHOD OF PREPARING HEAVY OIL-DERIVED ANISOTROPIC PITCH FOR CARBON FIBER BASED ON MESOGEN SEPARATION
    Publication number: 20220135884
    Abstract: The present disclosure relates to a method of preparing an anisotropic pitch for carbon fiber, and more particularly, to a method of preparing an anisotropic pitch of preparing a pitch having a low softening point by thermally polymerizing heavy oil or residue oil generated in an oil refining process, extracting only a mesogen component, and then heat-treating at a high temperature for a short time. The anisotropic pitch prepared in the present disclosure has advantages of exhibiting the anisotropic content of 100% and controlling the anisotropic content only a simple temperature control as desired and may be used as a precursor of a high value-added carbon material such as carbon fiber and an anode material for a lithium secondary battery.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 5, 2022
    Inventors: Young-Pyo JEON, Seung Hyun KO, Seung Jae HA, Min Seong JO
  • Intermediates for Optically Active Piperidine Derivatives and Preparation Methods Thereof
    Publication number: 20220127230
    Abstract: A preparation method according to the present invention makes it possible to industrially produce large amounts of highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield by use of commercially available reagents and solvents. In addition, the use of novel intermediates according to the present invention makes it possible to produce highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Inventors: Jae Hong Kweon, Eun Sun Kim, Hyuk Woo Lee, Dong Hyun Ko, Chae Young Ryu, Kwang Do Choi, SeungPyeong Heo
  • CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME
    Publication number: 20220118432
    Abstract: A catalyst for a hydrogenation reaction including: a polymer support; and a catalytic component supported on the polymer support. The polymer support includes a repeating unit represented by Formula 1 or 2.
    Type: Application
    Filed: July 13, 2020
    Publication date: April 21, 2022
    Inventors: Myungji Suh, Dong Hyun Ko, Minkee Choi, Kyunglim Hyun
  • DESICCANT REPLACING APPARATUS AND AIR DRY SYSTEM INCLUDING THE SAME
    Publication number: 20220111331
    Abstract: A desiccant replacing apparatus may include a supply-discharge member, a supply connection line connected to the supply-discharge member, an air conveyor coupled to the supply connection line, a discharge connection line connected to the supply-discharge member, and an air amplifier coupled to the discharge connection line. The supply-discharge member may include a housing providing an internal space, an injection line providing an injection path and penetrating the housing, an exhaust line providing an exhaust path connected to the internal space, and a filter in the internal space or the exhaust path. The supply connection line may be connected to the injection line, and the discharge connection line may be connected to the exhaust line.
    Type: Application
    Filed: May 3, 2021
    Publication date: April 14, 2022
    Inventors: Sungmin Jang, Tae-Hyun Ko, Dong-Hee Kim, Taehyun Kim, Jiwoon Lee, Haeyong Choi
  • CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME
    Publication number: 20220105501
    Abstract: A catalyst for a hydrogenation reaction including: a polymer support; and a catalytic component supported on the polymer support. The polymer support includes a repeating unit represented by Formula 1.
    Type: Application
    Filed: July 13, 2020
    Publication date: April 7, 2022
    Inventors: Myungji SUH, Dong Hyun KO, Minkee CHOI, Yeonwoo CHOI
  • COVER WINDOW, METHOD OF MANUFACTURING COVER WINDOW, AND DISPLAY DEVICE
    Publication number: 20220082732
    Abstract: A cover window includes a base layer; a first coating layer on the base layer; and a second coating layer on the first coating layer. The first coating layer directly contacts a first part of an upper surface of the base layer and exposes a second part of the upper surface of the base layer, the upper surface of the base layer consists of the first part and the second part, and the second coating layer directly contacts the second part of the upper surface of the base layer exposed by the first coating layer, and an upper surface of the first coating layer.
    Type: Application
    Filed: June 28, 2021
    Publication date: March 17, 2022
    Inventors: Ji Hyun KO, Hyun Seung SEO, Dong Sung LEE, Yong Kyu KANG, Hui Yeon SHON, Hyun Kyung YUN
  • PRINTED CIRCUIT BOARD, DISPLAY DEVICE, AND MANUFACTURING METHOD OF DISPLAY DEVICE
    Publication number: 20220087015
    Abstract: Provided are a printed circuit board, a display device and a method of manufacturing a display device. The printed circuit board includes a base film including a first surface and a second surface, lead lines disposed on the first surface of the base film, and a first cover layer that covers at least a part of the lead lines and includes fill-in portions disposed between the lead lines. Each of the fill-in portions has a surface height less than a surface height of each of the lead lines with respect to the first surface of the base film.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 17, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Tae Jin PARK, Gyung Hyun KO, Hee Ju MA, Woo Jin LEE, Yeon Je CHO
  • Image processing method and image processing system for deep learning
    Patent number: 11275866
    Abstract: Disclosed herein is an image processing method and an image processing system for deep learning. The image processing method includes converting image data including at least one figure image into a vector image by changing a data format, encrypting at least one first attribute value for a position of the figure image in the vector image according to a selected encryption scheme, constructing a de-identified image for the image data by using a second attribute value which is changed by the encryption, and transferring the de-identified image to a cloud server in which a deep learning model is managed and processing deep learning operations of the de-identified image by the cloud server.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: March 15, 2022
    Assignee: PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Yoon Ho Choi, Dong-Hyun Ko, Seok-Hwan Choi, Jinmyeong Shin, Seon-Jin Hwang
  • Intermediates for optically active piperidine derivatives and preparation methods thereof
    Patent number: 11254641
    Abstract: A preparation method according to the present invention makes it possible to industrially produce large amounts of highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield by use of commercially available reagents and solvents. In addition, the use of novel intermediates according to the present invention makes it possible to produce highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 22, 2022
    Assignee: HK inno.N Corporation
    Inventors: Jae Hong Kweon, Eun Sun Kim, Hyuk Woo Lee, Dong Hyun Ko, Chae Young Ryu, Kwang Do Choi, SeungPyeong Heo
  • POWER LEG REST FOR VEHICLE
    Publication number: 20220048422
    Abstract: A power leg rest for a vehicle includes a pair of fixed plates; a main pipe connected to between internal surfaces of the fixed plates; a tilt motor tiltably mounted to the main pipe; a pair of main links fastened to external surfaces of the fixed plates by respective first hinge pins; a support pipe connected to between front end portions of the main links; a lead nut bracket coupled to a lead screw and movable forwards and backwards and hingedly fastened to the support pipe; a pair of leg rest links mounted on both sides of a leg rest frame; and a pair of driving links, each being hingedly fastened to corresponding ones of the leg rest links, the main links, and the fixed plates, operating in linkage with the main link, and folding or unfolding the pair of leg rest links.
    Type: Application
    Filed: January 8, 2021
    Publication date: February 17, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation, DAS CO., LTD
    Inventors: Tae Su KIM, Soo Hyun MOON, Hyun Kyu MOON, Sang Hwi YOON, Du Go JUNG, Hyun KO, Won Jin CHOI, Young Joon KIM
  • Method of preparing catalyst for oxidative dehydrogenation and method of performing oxidative dehydrogenation using catalyst
    Patent number: 11247195
    Abstract: A method of preparing a catalyst for oxidative dehydrogenation that includes coprecipitation and injecting inert gas or air at a specific time point to reduce the ratio of an inactive ?-Fe2O3 crystal structure, thereby improving the activity of the catalyst. Also provided is a method of performing oxidative dehydrogenation using the catalyst. When oxidative dehydrogenation of butene is performed using the catalyst, side reaction may be reduced, and selectivity for butadiene may be improved, providing butadiene with high productivity.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: February 15, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Jin Han, Dong Hyun Ko, Kyong Yong Cha, Jun Kyu Han, Sun Hwan Hwang
  • VACUUM CLEANER
    Publication number: 20220022711
    Abstract: A vacuum cleaner includes a connection pipe, a cleaner body, a suction nozzle having a first suction port, a movable body, a first rotating body, and a second rotating body. The movable body is movably coupled to the connection pipe, and the first rotating body and the second rotating body are rotatably coupled to the movable body. According to the disclosed vacuum cleaner, in a state in which the connection pipe is separated from the suction nozzle, the first rotating body and the second rotating body may form a second suction port, and may form a nozzle other than the suction nozzle.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 27, 2022
    Inventors: Kookhaeng LEE, Jungwan RYU, Moo Hyun KO
  • VACUUM CLEANER
    Publication number: 20220022710
    Abstract: A vacuum cleaner includes a cleaner body, a connection pipe including a first catching groove, and a suction nozzle. The suction nozzle includes a connection neck, a nozzle housing rotatably coupled to the connection neck, a first catching body rotatably coupled to the connection neck, and a first elastic body. The first catching body includes a first catching protrusion portion which is caught by the first catching groove. The suction nozzle includes a pressing portion and a first lever. The first lever includes a first end portion in contact with the pressing portion, and a second end portion configured to press the first catching body. According to the disclosed vacuum cleaner, the fastening between the suction nozzle and the connection pipe may be maintained or released according to the relative angle between the suction nozzle and the connection pipe.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 27, 2022
    Inventors: Kookhaeng LEE, Jungwan RYU, Moo Hyun KO, Youngsoo KIM
  • Cover window for a display device
    Patent number: D943588
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Woo Koo, Kyung Hyun Ko, Duk Woon Choi, Katherine Kim, Pablo Kim, Jee Eun Kim
  • Display panel
    Patent number: D945987
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kee Hyun Nam, Jun Woo Kim, Hye Suk An, Kyung Hyun Ko, Hoon Kim
  • Display module
    Patent number: D947825
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kee Hyun Nam, Jun Woo Kim, Hye Suk An, Kyung Hyun Ko, Hoon Kim
  • Display module
    Patent number: D947852
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Jung Lee, Kyung Hyun Ko, Yong Woo Koo, Jun Il Kwon, Pablo Kim, Young-Su Kim, Jun Woo Kim, Hoon Kim, Hye Suk An, Hyun Joo Lee, Ki Ho Lim
  • Display module
    Patent number: D955393
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Woo Koo, Kyung Hyun Ko, Duk Woon Choi, Jee Eun Kim, Jin Woo Jung
  • Display module
    Patent number: D955394
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Woo Koo, Kyung Hyun Ko, Duk Woon Choi, Jee Eun Kim, Jin Woo Jung