Patents by Inventor In-Chul Hwang

In-Chul 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: 20250000136
    Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers, a binder configured to bond the lyocell fibers to each other, and a solvent dispersed in an inner space of the cigarette filter including the lyocell tow, wherein the solvent includes a polyhydric alcohol, is provided. According to one embodiment of the present disclosure, the polyhydric alcohol is a diol having a C1-C4 alkylene group. The cigarette filter according to one embodiment of the present disclosure overcomes the existing material-related problems of lyocell tow and has excellent hardness.
    Type: Application
    Filed: November 3, 2022
    Publication date: January 2, 2025
    Applicants: KT&G CORPORATION, KOLON INDUSTRIES, INC.
    Inventors: Jin Chul YANG, Soo Ho KIM, Kyeng Bae MA, Bong Su CHEONG, Sung Hoon HA, Jong Cheol JEONG, Sang Woo JIN, Jeong Hun LEE, Seung Dong SEO, Yeong Nam HWANG
  • Patent number: 12183734
    Abstract: A semiconductor device includes a first active pattern extending lengthwise along a first direction and a second active pattern extending lengthwise along the first direction and spaced apart from the first active pattern in the first direction. The device also includes a field insulating film between the first active pattern and the second active pattern. An upper surface of the field insulating film is lower than or coplanar with upper surfaces of the first and second active patterns. The device further includes an element isolation structure in an isolation trench in the first active pattern and the field insulating film. An upper surface of the element isolation structure is higher than the upper surfaces of the first and second active patterns.
    Type: Grant
    Filed: August 3, 2023
    Date of Patent: December 31, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Min Yoo, Ju Youn Kim, Hyung Joo Na, Bong Seok Suh, Joo Ho Jung, Eui Chul Hwang, Sung Moon Lee
  • Patent number: 12183975
    Abstract: An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: December 31, 2024
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Byung Chul Park, Seung Ho Kim, Kun Sup Kwon, Jong Wan Heo, Sung Jae Lee, Ki Min Hwang
  • Publication number: 20240421479
    Abstract: Proposed is a multi-band antenna module in which antennas having different polarization characteristics are coupled so as to prevent deterioration in isolation caused by interference between the antennas. The proposed multi-band antenna module comprises a circuit board. On the top surface of the circuit board, a first upper clearance area, a second upper clearance area, an upper radiator, and an upper ground are defined so as to operate as a PIFA antenna resonating in a first frequency band. On the first upper clearance area and the second upper clearance area, a first conductor area and a second conductor area operating as a monopole antenna resonating in a second frequency band are defined.
    Type: Application
    Filed: October 7, 2022
    Publication date: December 19, 2024
    Applicant: AMOTECH CO., LTD.
    Inventor: Chul HWANG
  • Publication number: 20240417887
    Abstract: Disclosed herein is a biodegradable polyolefin fiber comprising a core formed of polyolefin and an oxide layer formed outside the core according to an embodiment of the present invention. According to the present invention, the polyolefin fiber is capable of having biodegradable properties by mixing raw materials and the biodegradable additive in a specific condition. In addition, the oxide layer is formed on the surface of the polyolefin fiber, thereby improving the initial oxo-biodegradation rate and reducing the biodegradation time.
    Type: Application
    Filed: December 20, 2021
    Publication date: December 19, 2024
    Inventors: Chul HWANG-BO, Jong Seong YOO, Yeong Su KIM
  • Patent number: 12169365
    Abstract: A non-transitory computer-readable storage medium that records a data computer-readable storage medium that records a data structure for storing data controlling an operation of an overlay measurement device that measures an error between a first overlay mark and a second overlay mark formed on different layers of a wafer. The data include information of a recipe that is input to allow the overlay measurement device to measure characteristics of a wafer through a manager program installed in a user terminal, and unique information of the overlay measurement device.
    Type: Grant
    Filed: February 6, 2024
    Date of Patent: December 17, 2024
    Assignee: AUROS TECHNOLOGY, INC.
    Inventors: Sol-Lee Hwang, Dong-Won Jung, Hee-Chul Lim, Hyun-Kyoo Shon, Min-Ho Lee
  • Patent number: 12169364
    Abstract: A non-transitory computer-readable storage medium that records a data structure for storing data controlling an operation of an overlay measurement device that measures an error between a first overlay mark and a second overlay mark formed on different layers of a wafer. The data include information of a recipe that is input to allow the overlay measurement device to measure characteristics of a wafer through a manager program installed in a user terminal, and unique information of the overlay measurement device.
    Type: Grant
    Filed: February 6, 2024
    Date of Patent: December 17, 2024
    Assignee: AUROS TECHNOLOGY, INC.
    Inventors: Sol-Lee Hwang, Dong-Won Jung, Hee-Chul Lim, Hyun-Kyoo Shon, Min-Ho Lee
  • Publication number: 20240407430
    Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other and has a hardness of 85% or higher is provided. According to one embodiment of the present disclosure, the cigarette filter has a hardness of 80% or higher even 5 minutes after 20 parts by weight to 25 parts by weight of water is added thereto based on 100 parts by weight of the lyocell tow. According to one embodiment of the present disclosure, the cigarette filter has a degree of collapse due to moisture of 7% or lower. According to one embodiment of the present disclosure, the cigarette filter overcomes existing, material-related problems of lyocell tow and has a high hardness and a low degree of collapse due to moisture.
    Type: Application
    Filed: November 3, 2022
    Publication date: December 12, 2024
    Applicants: KT & G CORPORATION, KOLON INDUSTRIES, INC.
    Inventors: Jin Chul YANG, Kyeng Bae MA, Ki Jin AHN, Bong Su CHEONG, Sung Hoon HA, Jong Cheol JEONG, Sang Woo JIN, Jeong Hun LEE, Seung Dong SEO, Yeong Nam HWANG
  • Patent number: 12165556
    Abstract: A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok Ha Hong, Joon Chul Goh, Dong Joon Kwag, Hyung Jin Kim, Ji Eun Park, Jae Sung Bae, Young Soo Hwang
  • Patent number: 12166912
    Abstract: An electronic apparatus including: a display panel, which includes first and second non-folding areas arranged in a first direction and a folding area disposed between the first and second non-folding areas, wherein the display panel is folded along a folding axis extending in a second direction crossing the first direction, the display panel further including pixels; a lower member disposed below the display panel, wherein the lower member includes a lower opening overlapping the folding area; and a sensing sensor including a first sensing adhesive layer disposed between the display panel and the lower member and adjacent to the display panel, a second sensing adhesive layer in contact with the lower member, and a digitizer disposed between the first sensing adhesive layer and the second sensing adhesive layer and including a plurality of coils, wherein the second sensing adhesive layer has a sensing opening that overlaps the folding area.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Sojeong La, Sung-Ki Jung, Sung Chul Choi, Hyun-Been Hwang
  • Patent number: 12158506
    Abstract: Disclosed is a system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor. The system for managing the vehicle battery as disclosed includes a controller that measures a polarization voltage of each of a plurality of battery cells in a vehicle battery after charging of the vehicle battery is terminated, and determines whether each of the plurality of battery cells is abnormal based on the measured polarization voltage.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: December 3, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dae Gun Jin, Woo Sung Kim, Kyung In Min, Do Sung Hwang, Ki Seung Baek, Dong Il Kim, Yoon Jun Lee, Bo Ram Yang, Ki Chul Hong, Ik Kyu Kim, Sung Il Lee, Jae Shin Yi, Young Woo Lee, Soo Yang Jin, Suk Hyung Kim, Hyun Soo Park
  • Publication number: 20240396219
    Abstract: Presented is a multi-band antenna module in which antennas having different polarization characteristics are coupled to prevent deterioration in isolation caused by interference between the antennas. The presented multi-band antenna module comprises: a patch antenna for transmitting/receiving a signal of a first frequency band; and a circuit board which has the patch antenna mounted on the top surface thereof, and which has a conductor pattern for transmitting/receiving a signal of a second frequency band while feeding the patch antenna.
    Type: Application
    Filed: August 16, 2022
    Publication date: November 28, 2024
    Applicant: AMOTECH CO., LTD.
    Inventor: Chul HWANG
  • Publication number: 20240397699
    Abstract: The present disclosure discloses a capacitorless three-dimensional stacked DRAM device including a plurality of memory cell structures spaced apart from each other in horizontal and vertical directions, each of the plurality of memory cell structures including a horizontal read transistor structure and a horizontal write transistor structure, a plurality of write bit lines connected to the plurality of write transistor structures of the plurality of memory cell structures and extending in the horizontal direction, a plurality of read bit lines connected to the plurality of read transistor structures of the plurality of memory cell structures and extending in the horizontal direction, a plurality of write word lines connected to the plurality of write transistor structures and extending in the vertical direction, and a plurality of read word lines connected to the plurality of read transistor structures and extending in the vertical direction.
    Type: Application
    Filed: October 17, 2023
    Publication date: November 28, 2024
    Inventors: Cheol Seong Hwang, Seo Young Jang, Han Chul Lee
  • Patent number: 12146232
    Abstract: Provided is an active layer composition of a reduction electrode for brine electrolysis containing a metal precursor mixture containing a ruthenium precursor, a platinum precursor, and a lanthanide metal precursor, and an organic solvent containing an alcohol-based compound and an amine-based compound. Also provided is a reduction electrode containing a metal substrate and an active layer that is a dried and heat treated active layer composition positioned on the metal substrate.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: November 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Yi Kim, Hee Jun Eom, Myung Hun Kim, Dong Chul Lee, Sang Yun Jung, Gyo Hyun Hwang, Jong Wook Jung, Yong Ju Bang
  • Patent number: 12122219
    Abstract: Provided is a positive temperature coefficient (PTC) unit for a vehicle heater. The PTC unit according to an exemplary embodiment of the present invention includes: a heat generation part which includes PTC elements; and a heat radiation part which is provided on at least one surface of the heat generation part and includes a heat radiation base material and a heat radiation film provided on at least a portion of an outer surface of the heat radiation base material to improve heat radiation performance. According to the present invention, improved heat radiation performance may be exhibited, and concurrently, heat radiation performance due to excellent durability may be exhibited for a long period of time without a structural change for increasing a specific surface area of a heat radiation part while reducing an air ventilation property, so as to improve heat radiation performance.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 22, 2024
    Assignee: AMOSENSE CO.,LTD.
    Inventors: Hyun Chul Lim, Won San Na, Seung Jae Hwang
  • Publication number: 20240349351
    Abstract: A random access method performed by a communication node may comprise: receiving RACH configuration information; measuring a distance between a base station and a terminal or a signal characteristic value corresponding to the distance between the base station and the terminal; determining a timing offset value to be applied to random access preamble transmission using the signal characteristic value, preset threshold value, and preset timing offset value; and transmitting a random access preamble generated on the basis of the RACH configuration information to the base station, wherein the threshold value and the timing offset value are included in the RACH configuration information.
    Type: Application
    Filed: March 4, 2024
    Publication date: October 17, 2024
    Inventors: Seok SEO, Hyung Jin KIM, Ki Soon SUNG, Sung Min OH, Seong Chul CHO, You Sun HWANG
  • Patent number: 12103358
    Abstract: A vehicle air conditioner for supplementing and regulating the air volume discharged to front seats and rear seats through a door component that controls a passage, and enabling the length of a package in the direction of a heater core to be reduced. The vehicle air conditioner has an air passage comprising: a front seat air passage through which cold air or hot air is discharged toward the front seats of a vehicle; and a rear seat air passage through which cold air or hot air is discharged toward the rear seats of the vehicle, wherein the front seat air passage comprises a front seat cooling passage and a front seat heating passage, and the rear seat path comprises a rear seat cooling passage and a rear seat heating passage, and includes: a first mixing part in which the cold air of the front seat cooling passage and the hot air of the front seat heating passage are mixed; and a second mixing part in which the cold air of the rear seat cooling path and the hot air of the rear seat heating path are mixed.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: October 1, 2024
    Assignee: Hanon Systems
    Inventors: Yong Eun Seo, Tae Wan Kim, Sang Chul Byon, Jong Gon Lee, Tae Gun Lee, Sang Il Hwang, Sae Dong Eom
  • Patent number: 12106601
    Abstract: A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Nam Kim, Seung Hyun Moon, Dong Wook Yang, Hyun Dae Lee, Kang Bin Jo, Go Eun Cha, Hee Chul Hwang
  • Publication number: 20240322354
    Abstract: The present disclosure relates to a battery cell and a manufacturing method thereof. The battery cell according to one embodiment of the present disclosure includes an electrode assembly including a cathode, an anode and a separator; and a battery case including a sealing portion that houses the electrode assembly and seals an outer periphery of the electrode assembly, wherein the sealing portion includes a first area, and a second area excluding the first area, and wherein the first area is an area where the crystallinity of the battery case is higher than that of the second area.
    Type: Application
    Filed: April 17, 2023
    Publication date: September 26, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Won Pill Hwang, Mincheol Choi, Shin Chul Kim, Hyeok Jeong, Sangho Bae
  • Patent number: 12095173
    Abstract: Presented is a UWB antenna module configured to implement omni-directional characteristics with respect to bearings even when mounted on a metal ground plane. The presented UWB antenna module comprises: a base sheet; a radiation pattern formed on a front surface of the base sheet; and a ground pattern formed on the front surface of the base sheet and arranged to surround the radiation pattern.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: September 17, 2024
    Assignee: AMOTECH CO., LTD.
    Inventor: Chul Hwang