Patents by Inventor Chang-hyun Kim

Chang-hyun Kim 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: 20250144607
    Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene exhibiting a high dart drop impact strength property along with excellent processability, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 8, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Byung Seok Kim, Minyoung Kang, Sung Min Lee, Jinyoung Lee, Donghyeon Gwon, Yoonchul Jung, Chaeeun Lee, Seyoung Kim, Chang Woan Han, Seok Bin Hong, Youngkook Kim, Dong Hyun Kim, Suhyeon Lee
  • Publication number: 20250143986
    Abstract: The present invention relates to a retinol-loaded microneedle. The retinol-loaded microneedle according to the present invention contains retinol and a stabilizer therefor, which is an optimal combination for use in microneedles, in order to solve the instability of retinol. Accordingly, the retinol-loaded microneedle of the present invention achieves high transdermal delivery efficiency intrinsic for microneedle formulations and thus can maximize the effect of retinol on wrinkle reduction, etc.
    Type: Application
    Filed: April 11, 2022
    Publication date: May 8, 2025
    Applicant: RAPHAS CO., LTD.
    Inventors: Yee-Ram CHOI, Joo-Hyeon JANG, Sung-Su KIM, Gwon-Woo KIM, Boo-Yong LEE, Keun-Ho LEE, Jung-Hyun BAE, Chang-Yub SUNG, Soo-Kie LA, Hyun-Woo PARK, Do-Hyeon JEONG
  • Publication number: 20250147382
    Abstract: A laser system according to an example of the present disclosure comprises: a supercontinuum laser that generates light with a visible wavelength; a wavelength selector comprising a filter whose angle is adjustable and configured to filter the wavelength of light incident from the supercontinuum laser to have a wavelength corresponding to the angle of the filter based on the angle of the filter; a compressor configured to compress the pulse width of light incident from the wavelength selector; and, a non-linear crystal configured to convert the wavelength of light incident from the compressor into an ultraviolet wavelength.
    Type: Application
    Filed: July 24, 2024
    Publication date: May 8, 2025
    Applicant: iiSM Inc.
    Inventors: IL SEUNG YANG, Yun Mi BAE, Yu Sic KIM, Kwan KYu LEE, Youn Jin KIM, Chang Hyun BAE, Sung Dong KIM, Jong MIn PARK, Yun Ji LEE, Hueng Khon KIM
  • Publication number: 20250140583
    Abstract: The present disclosure relates to a heater block and an apparatus for heating a substrate having the same, and more particularly, to a heater block having excellent heat dissipation characteristics and capable of precisely controlling a heating temperature, and an apparatus for heating a substrate having the same. A heater block according to an exemplary embodiment includes a cooling plate provided with a cooling passage through which cooling water flows, a plurality of light emitting modules provided on a first surface of the cooling plate to emit light toward an object to be heated, and a plurality of power supply modules provided on a second surface of the cooling plate and electrically connected to the plurality of light emitting modules by passing through the cooling plate to supply power.
    Type: Application
    Filed: August 29, 2024
    Publication date: May 1, 2025
    Inventors: Dae Ryong LEE, Sung Chul KIM, Sang Hyun JI, Chang Kyo KIM
  • Publication number: 20250137147
    Abstract: The present disclosure relates to a MoS2-Ni electrode and, in more detail, to a method for manufacturing an alkaline electrolysis electrode through co-sputtering, improves a 1T structure yield through a single process, and provides an electrolysis electrode with high activity in alkaline water electrolysis.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 1, 2025
    Applicant: Korea Institute of Energy Technology
    Inventors: Chang Hee KIM, Wan Sik KIM, Jun Seok SIM, Young Han JUNG, Bong Hyun KIM
  • Publication number: 20250136728
    Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene having excellent impact strength and haze properties, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 1, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Byung Seok Kim, Minyoung Kang, Sung Min Lee, Jinyoung Lee, Donghyeon Gwon, Yoonchul Jung, Chaeeun Lee, Seyoung Kim, Chang Woan Han, Youngkook kim, Dong Hyun Kim, Suhyeon Lee
  • Patent number: 12289993
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Chang Ju Shin, Seungjae Lee, Hyung Sun Kim, Yuna Jang, Eun Sun Yu, Sung-Hyun Jung
  • Patent number: 12288596
    Abstract: A semiconductor memory device may include a plurality of memory cells wherein identifiers may be provided to the memory cells. The semiconductor memory device may include a first circuit, a second circuit and a power control circuit. The first circuit may include a first power terminal and a second power terminal. The second circuit may include a third terminal and a fourth terminal. The power control circuit may be configured to apply a first power voltage or a ground voltage to the first power terminal and to apply the ground voltage to the second power terminal based on the identifiers.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: April 29, 2025
    Assignee: SK hynix Inc.
    Inventor: Chang Hyun Kim
  • Publication number: 20250133959
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).
    Type: Application
    Filed: December 30, 2024
    Publication date: April 24, 2025
    Inventors: Hwan-Hee CHO, Mi-Kyung KIM, Se-Hun KIM, Dong-Hyun KIM, Chang-Woong CHU
  • Publication number: 20250129767
    Abstract: A floating type offshore wind structure having improved structural strength and reduced weight, including a floating body having buoyancy in the seat; and a wind power generation unit fixed to the floating body, wherein the floating body includes a plurality of columns disposed at the vertex positions of a triangle, respectively, and a plurality of pontoon units disposed in the form of a triangle, so as to connect the plurality of columns, the wind power generation unit is placed at any one of the plurality of columns, each of the plurality of columns includes a first side in contact with a first pontoon unit which is any one of the plurality of pontoon units, and a second side in contact with a second pontoon unit which is another one of the plurality of pontoon units, and each of the first side and the second side is a planar surface.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 24, 2025
    Inventors: Kyong Hwan KIM, Se Wan PARK, Yoon Jin HA, Ji Yong PARK, Chan ROH, Hyeon Jeong AHN, Chang Hyuck LIM, Jang Whan KIM, Jo Hyun KYOUNG, Aldric BAQUET, Zhirong SHEN
  • Patent number: 12278093
    Abstract: A plasma etching method is disclosed. The plasma etching method comprises: a first step for vaporizing liquid pentafluoropropanol (PFP); a second step for supplying discharge gas comprising the vaporized PFP and argon gas into a plasma chamber in which an object to be etched is placed; and a third step for discharging the discharge gas to generate plasma and etching the object by using the plasma.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: April 15, 2025
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang-Koo Kim, Jun-Hyun Kim
  • Patent number: 12277302
    Abstract: An example user terminal apparatus includes communication circuitry configured to be connected to a home network comprising a plurality of devices; a display configured to display a UI screen for managing the home network; a sensor configured to sense a user manipulation of the UI screen; and processing circuitry configured to change the UI screen displayed on the display according to the user manipulation. The UI screen is one of a plurality of service pages that are changeable according to a user manipulation in a first direction, the plurality of service pages being pages for respectively providing different home network management services. At least one of the plurality of service pages comprises an area that is displayable on the display according to a user manipulation in a second direction.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Shim, Chang-won Kim, Ga-hyun Joo, Jin-sung Kim, Jong-youb Ryu, Chang-hyun Lee, Yong-hyun Lim
  • Patent number: 12278310
    Abstract: A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bek Hyun Lim, Tae Jin Kong, Myeong Hee Kim, Won Kyu Kim, Je Won Yoo, Hee Keun Lee, Chang Il Tae
  • Patent number: 12278053
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of grains and grain boundaries disposed between adjacent grains. The grain boundary includes a secondary phase including Sn, a rare-earth element, and a first subcomponent. The rare-earth element includes at least one of Y, Dy, Ho, Er, Gd, Ce, Nd, Sm, Tb, Tm, La, Gd and Yb. The first subcomponent includes at least one of Si, Mg, and Al.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Chang Hak Choi, Seok Hyun Yoon, Ki Yong Lee, Jong Myeong Jeon
  • Patent number: 12278111
    Abstract: A plasma etching method includes a first step of supplying a mixed gas containing vaporized heptafluoroisopropyl methyl ether gas having a molecular structure of a following Chemical Formula 1 or vaporized heptafluoropropyl methyl ether gas having a molecular structure of a following Chemical Formula 2 and argon gas into a plasma chamber in which an etching target is disposed; and a second step of etching the etching target using plasma generated from the mixed gas:
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 15, 2025
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Chang-Koo Kim, Jun-Hyun Kim, Jin-Su Park
  • Publication number: 20250116004
    Abstract: Provided is a substrate processing apparatus. The positions of a first electrode and a second electrode are adjusted in advance in consideration of differences in coefficients of thermal expansion so that a short circuit created by contact between the first electrode and the second electrode is prevented even in the case in which the first electrode and the second electrode are thermally expanded during processing. Even in the case in which the first electrode and the second electrode are thermally expanded due to an increase in temperature during processing, a short circuit between the first electrode and the second electrode can be prevented, and the uniformity of a thin film can be maintained in the substrate processing apparatus for processing a large substrate.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Inventors: Jae Wan LEE, Yong Hyun KIM, Yoon Jeong KIM, Yun Hoe KIM, Chang Kyun PARK, Gu Hyun JUNG, Ki Bum KIM, Seung Youb SA, Chul Joo HWANG
  • Publication number: 20250100340
    Abstract: Disclosed are a mount control system and method for vehicles in which a camera of an electronically controlled suspension system with road preview photographs a road surface condition of a road ahead of a vehicle, a suspension controller determines a road surface state of the road based on photographed information of the camera, and a mount controller controls semi-active mounts to be in an on state or in an off state based on road surface state determination information transmitted from the suspension controller and values detected by wheel acceleration sensors mounted on wheels of the vehicle, so as to improve not only NVH performance but also driving vibration damping performance depending on the road surface state.
    Type: Application
    Filed: January 10, 2024
    Publication date: March 27, 2025
    Inventors: Jin Hyun KIM, Jang Ho KIM, Dong Wook LEE, Hyung Jin KIM, Eun Suk YOO, Jong Hoon CHOI, Sang Hyun PARK, Seong Eun HONG, Young Jae KIM, Hyeon Jun KIM, In Yong JUNG, Chang Beom KIM
  • Publication number: 20250100655
    Abstract: The present disclosure relates to a ship, and in a ship including a cargo area for storing cargo, a forecastle area provided fore of the cargo area, and an aft area provided aft of the cargo area, the forecastle area includes a fore deck dividing an interior and an exterior of a hull, and a cabin is provided on an upper part of the fore deck, wherein the cabin has a flat cross-section with a width that decreases forward toward a bow.
    Type: Application
    Filed: January 20, 2023
    Publication date: March 27, 2025
    Inventors: Doo Hyun KIM, Dong Jin LEE, Chang Kyung SUNG, Dae Hyuk KWON
  • Publication number: 20250101776
    Abstract: A locking mechanism for a console device, which restricts a console armrest of the console device disposed between a driver seat and a passenger seat inside a vehicle, includes a housing mounted on a front surface of a console box of the console device, a pivoting lever pivotably coupled to an inner surface of the housing, a slider pivotably coupled to an upper body of the pivoting lever, an inertial member interlocking portion coupled to a lower body of the pivoting lever, an inertial member seating portion which is mounted on the housing and on which an inertial member is seated, and the inertial member provided between the inertial member interlocking portion and the inertial member seating portion and configured to operate the inertial member interlocking portion when a collision of the vehicle occurs.
    Type: Application
    Filed: January 5, 2024
    Publication date: March 27, 2025
    Inventors: Min-Woo Kwon, Jae-Hyun An, Chang-Hoon Yang, Hong-Sik Chang, Sung-Hwan Kim, Seung-Mok Yu, Ji-Hun Lee
  • Publication number: 20250074804
    Abstract: The method for treating wastewater includes a first flocculation-and-sedimentation process and a second flocculation-and-sedimentation process, wherein the first flocculation-and-sedimentation process include: passing wastewater through a first flocculation reaction tank; passing the first treated water through a third flocculation reaction tank; passing the third treated water through a fourth flocculation reaction tank; and passing the fourth treated water through a first sedimentation tank to generate fifth treated water and sludge, and the second flocculation-and-sedimentation process include: passing the fifth treated water through a fifth flocculation reaction tank to generate sixth treated water; passing the sixth treated water through a sixth flocculation reaction tank to generate sixth treated water; passing the sixth treated water through a seventh flocculation reaction tank to generate eighth treated water; and passing the eighth treated water through a second sedimentation tank to generate ninth t
    Type: Application
    Filed: June 14, 2024
    Publication date: March 6, 2025
    Applicants: Samsung E&A Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Soo Jin SHIM, Hye Sook SUNG, Jeong Su CHO, Seung Joon CHUNG, Jae Dong HWANG, Hyeon Seok KANG, Je Hun KIM, Chang Hyun NAHM