Patents by Inventor In Cheol Hwang

In Cheol Hwang 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: 20240150671
    Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: KONASOL CO., LTD.
    Inventors: Yeon Joo BAE, Keum Cheol HWANG, Im Joo CHOI
  • Publication number: 20240149863
    Abstract: A method of controlling a towing mode of an eco-friendly vehicle, may easily charge a battery of a towed vehicle by selecting one of a charge mode during traveling, a regenerative braking charge mode, and a coasting charge mode for charging the battery of the towed vehicle when a towing vehicle tows the towed vehicle so that a motor of the towed vehicle is driven by a negative charge torque for charging the battery when the towing vehicle accelerates or decelerates, and furthermore, may easily perform the assist of the traveling driving force of the towing vehicle by selecting a discharge mode during traveling in a state in which the towed vehicle does not need to be charged to the amount of charge of the battery of the towed vehicle greater than or equal to a reference value so that the motor of the towed vehicle is driven by a positive driving torque by discharging the battery of the towed vehicle.
    Type: Application
    Filed: April 4, 2023
    Publication date: May 9, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Jun SHIN, Hyo Jun KAWK, Jin Cheol SHIN, Kyung Hun HWANG
  • Publication number: 20240142678
    Abstract: A display device includes a display unit including a lower substrate and first, second, and third light emitting elements disposed on the lower substrate, a color filter unit including an upper substrate having a lower surface facing the first, second, and third light emitting elements, a filler disposed between the display unit and the color filter unit and including a wavelength conversion particle. The color filter unit further includes a color filter layer including first, second, and third color filters disposed on the lower surface of the upper substrate, a bank layer disposed below the color filter layer and including first, second, and third openings, a first column spacer filling the first opening, and a second column spacer filling the second opening.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: SUN-KYU JOO, SANGJI PARK, JAE CHEOL PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, WOO-MAN JI, TAE HYUNG HWANG
  • Publication number: 20240123301
    Abstract: The present invention is a smart golf cart system, which relates to a smart golf cart system comprising: a golf cart including a driving module and a wireless communication module, which are configured to move according to a preset signal, and configured to load a user's golf equipment; an RTK GNSS module providing GNSS information including location information of the golf cart through communication with the wireless communication module; a GIS module including a library part in which map information of a golf course is stored in advance, wherein the map information is in the form of GIS information including altitude information; and a path calculation module for calculating the path of the golf cart, wherein the path calculation module receives GNSS information of the golf cart through the RTK GNSS module to calculate an initial path, generates an avoidance path based on the GIS information of the initial path provided from the GIS module to form a reference path, and controls the driving module depending
    Type: Application
    Filed: June 21, 2022
    Publication date: April 18, 2024
    Applicant: Sj Tech Co., Ltd
    Inventors: Hwan Cheol HWANG, Jae Hyeon JO, Yeohosua KIM
  • Patent number: 11959193
    Abstract: Disclosed are a spinning dope for an aramid and carbon-nanotube composite fiber and a method of manufacturing an aramid and carbon-nanotube composite fiber using the same.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 16, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Dae Yoon Kim, Ki Hyun Ryu, Bon Cheol Ku, Jun Yeon Hwang, Nam Dong Kim, Dong Ju Lee, Seo Gyun Kim
  • Publication number: 20240118196
    Abstract: In the case of a gas in which several gases are mixed, a type and concentration of the gas may be incorrectly measured when measured using only an optical band-pass filter. The invention of the present application is directed to providing a technology in which a plurality of broadband band-pass filters having overlapping regions are provided to calculate a magnitude of absorption for each wavelength band for light passing through each broadband band-pass filter, thereby identifying the presence of a gas of interest and the presence of a gas other than the gas of interest.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 11, 2024
    Inventors: Cheol Woo NAM, Byung Yul MOON, Eung Yul KIM, Jae Hwan KIM, Chun Ho SHIN, Kwang Hun PARK, Myun Gu CHOI, Chang Hwang CHOI, Yong Geol KIM, Jae Min JEON
  • Publication number: 20240087277
    Abstract: A control method of a fastening tool for fastening a component part includes photographing a fastening portion of the component part through a camera portion mounted on the fastening tool. The control method includes pre-processing that rotates an input image, which has been photographed by the camera portion, to match with representative model image. The control method includes estimating the fastening portion through an inference process through a convolutional neural network (CNN) algorithm-based image classification work on a video input image of a same fastening portion finished with the pre-processing work. The control method also includes setting a torque value that is matched with a recognized fastening portion when a probability value of the fastening portion in the inference process exceeds a predetermined reference ratio.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Tae Mun Hwang, DongHa Jeong, Byung Cheol Song, Dong Yoon Choi
  • Publication number: 20240063229
    Abstract: A display device is provided.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 22, 2024
    Inventors: June Hwan KIM, Tae Young KIM, Jong Woo PARK, Young Tae CHOI, Hyun Cheol HWANG, Ki Ju IM
  • Publication number: 20240047850
    Abstract: A laminated glass antenna structure includes: a lower glass sheet including a first surface facing inside and a second surface at the upper end thereof; an upper glass sheet including a third surface adjacent to the lower glass sheet; an adhesive film positioned between the upper glass sheet and the lower glass sheet; and an antenna unit including a plurality of microstrip patch unit cells provided on the second surface and the third surface with respect to a ground plane provided on the first surface.
    Type: Application
    Filed: December 22, 2022
    Publication date: February 8, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Hongik University Industry-Academia Cooperation Foundation
    Inventors: Nak Kyoung Kong, Dae Hee Lee, Jong Min Park, Ki Hong Lee, Jong Seon Lee, Oh Heon Kwon, Keum Cheol Hwang, Ho Sung Choo
  • Patent number: 11894614
    Abstract: An antenna apparatus includes: a ground plane including first sides parallel to a first direction and second sides parallel to a second direction, on a plane formed in the first and second directions; a dielectric layer disposed on the ground plane in a third direction; an antenna patch overlapping the ground plane in the third direction; and vias connected to the ground plane and passing through at least a portion of the dielectric layer. Edges of the vias at least partially overlap the first sides of the ground plane in the third direction.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: February 6, 2024
    Assignees: Samsung Electro-Mechanics Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Won Wook So, Jeongki Ryoo, Woncheol Lee, Youngsik Hur, Keum Cheol Hwang, Nam Heung Kim, Yong-serk Kim
  • Publication number: 20240026244
    Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.
    Type: Application
    Filed: August 29, 2022
    Publication date: January 25, 2024
    Applicant: KONASOL CO., LTD.
    Inventors: Yeon Joo BAE, Keum Cheol HWANG, Im Joo CHOI
  • Patent number: 11866672
    Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: January 9, 2024
    Assignee: KONASOL CO., LTD.
    Inventors: Yeon Joo Bae, Keum Cheol Hwang, Im Joo Choi
  • Publication number: 20230411762
    Abstract: A battery module including: three cell stacks where each of the three cell stacks includes a plurality of battery cells; a cell tray including a base plate on which the three cell stacks are seated, and three split plates disposed upright on the base plate to partition a space so that the three cell stacks may be disposed in spaces separated from each other; a housing for the three cell stacks and the cell tray, where the housing has a hexagonal pillar shape; and a bus bar frame assembly configured to cover an opening formed in an upper portion of the housing, where the bus bar frame assembly electrically connects the plurality of battery cells.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 21, 2023
    Inventor: Jae-Cheol HWANG
  • Patent number: 11848330
    Abstract: A display device is provided.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: June Hwan Kim, Tae Young Kim, Jong Woo Park, Young Tae Choi, Hyun Cheol Hwang, Ki Ju Im
  • Patent number: 11713925
    Abstract: A sagger for firing an object to be fired includes an active material for a secondary battery. Carbon dioxide that is a reaction by-product produced during a positive electrode active material firing process can be smoothly discharged from the sagger, and such a smooth discharge of carbon dioxide can lower a residual lithium concentration of a positive electrode active material and thus can improve dispersibility of a positive electrode active material slurry and also improve capacity of a battery.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 1, 2023
    Assignees: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO FUTURE M CO., LTD.
    Inventors: Young-Min Park, Woo-Taek Kim, Hyeon-Woo Kim, Soon-Cheol Hwang, Choong-Mo Yang, Yoon-Cheol Park, Keeyoung Jung
  • Publication number: 20230189567
    Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 15, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: June Hwan KIM, Tae Young KIM, Jong Woo PARK, Ki Ju IM, Ji Ho MOON, Hyun Cheol HWANG
  • Patent number: 11641065
    Abstract: An antenna device is provided. The antenna device includes a first antenna patch configured to transmit and receive an RF signal in a first frequency bandwidth and disposed a first dielectric layer; a second antenna patch disposed on a second dielectric layer and coupled to the first antenna patch; a third antenna patch disposed on a third dielectric layer and coupled to the second antenna patch; and a fourth antenna patch configured to transmit and receive an RF signal in the second frequency bandwidth, wherein the second antenna patch includes a plurality of first sub-antenna patches that do not overlap the first antenna patch, and the third antenna patch includes a plurality of second sub-antenna patches that overlap the first sub-antenna patches.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: May 2, 2023
    Assignees: Samsung Electro-Mechanics Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Won Wook So, Jeongki Ryoo, Woncheol Lee, Youngsik Hur, Keum Cheol Hwang, Nam Heung Kim, Yong-Serk Kim
  • Publication number: 20230074546
    Abstract: An apparatus for calcining a secondary battery cathode material includes: a calcination furnace including an inner space that includes a temperature rising space, a temperature maintaining space, and a cooling space, which sequentially communicate; a plurality of rollers for transferring a sagger, in which a cathode material is accommodated, from the temperature rising space to the cooling space via the temperature maintaining space; a plurality of heaters arranged along the inner space; a plurality of gas feeding parts for feeding gas to the inner space; and a plurality of exhaust parts for exhausting gas from the inner space, wherein the cross-sectional area of the temperature maintaining space is smaller than the cross-sectional area of the temperature rising space and the cross-sectional area of the cooling space.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 9, 2023
    Applicants: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Choongmo YANG, Keeyoung JUNG, Yooncheol PARK, Yeong Woo KIM, Soon Cheol HWANG
  • Publication number: 20230053769
    Abstract: A vertical-type firing apparatus for a positive electrode material for a secondary battery, for vertically moving and firing the positive electrode material for the secondary battery, comprises: a vertical-type firing furnace including an exhaust part, an air supply part, and a firing space positioned between the exhaust part and the air supply part; and a heater for heating the firing space of the vertical-type firing furnace, wherein the firing space includes a temperature-raising space, a cooling space, and a temperature-maintaining space located between the temperature-raising space and the cooling space, and the temperature of the temperature-maintaining space is higher than the temperature of the temperature-raising space and the temperature of the cooling space.
    Type: Application
    Filed: December 1, 2020
    Publication date: February 23, 2023
    Applicants: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Choongmo YANG, Soon Cheol HWANG, Yooncheol PARK, Keeyoung JUNG
  • Patent number: D976164
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: January 24, 2023
    Assignee: SJ TECH CO LTD.
    Inventor: Hwan Cheol Hwang