Patents by Inventor Jung-Hwan Oh

Jung-Hwan Oh 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: 20240371502
    Abstract: A method of providing information on medical personnel may be provided. The method according to an embodiment may include: receiving surgical information including information on a medical treatment department performing a surgery, information on an operating surgeon, surgical category information, and surgical code information; determining a score for each item that constitutes the surgical information on medical personnel on the basis of information on on-duty records of the medical personnel; determining a medical personnel score corresponding to the surgical information on the basis of a weighted value corresponding to the score for the each item; and providing information on the medical personnel that includes the medical personnel score.
    Type: Application
    Filed: December 27, 2023
    Publication date: November 7, 2024
    Inventors: Jung Hwan MOON, Ihn Seon Lee, Jun Young Choi, Ji Hye Woo, Chae Yeon Park, Ho Jun Seol, Do Hoon Lim, Sei Yeul Oh, Hyun Jung Ko, Mi Ja Ju
  • Patent number: 12110353
    Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes silicon (Si) and nitrogen (N), and has an N content of 150 ppm or more based on the weight of the modified conjugated diene-based polymer and a rate of change of mooney viscosity (MVR) of 20% or less.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: October 8, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jung Hwan Oh, Suk Joon Yoo, He Seung Lee, Jae Sun Choi
  • Patent number: 12108661
    Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 1, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon Lee, Yun Suk Lee, Jung Hwan Park, Jung Wook Lee, Sun Hee Lee, Tae Seop Choi, Hyun Ji Oh
  • Patent number: 12106794
    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: Grant
    Filed: June 7, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    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: 12084575
    Abstract: The embodiments relate to a polyamide-imide film excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-imide film, which comprises a polyamide-imide polymer and has a reduced modulus of a top surface measured by the nanoindentation method according to the ISO 14577-2 standard of 5.6 GPa or more and a haze of 1% or less, a process for preparing the same, and a cover window and a display device comprising the same.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: September 10, 2024
    Assignee: SK MICROWORKS CO., LTD.
    Inventors: Sang Hun Choi, Jin Woo Lee, Jung Hee Ki, Dae Seong Oh, Han Jun Kim, Sun Hwan Kim, Heung Sik Kim
  • Patent number: 12057098
    Abstract: A sound control device mounted in a vehicle and control method include measuring a drive signal input to a speaker, wherein the drive signal is generated in response to an input signal including at least one of a noise control signal and an audio signal, estimating a state of a voice coil of the speaker including at least one of displacement and temperature of the voice coil, based on the drive signal and a model of the speaker, and adjusting the input signal based on the state of the voice coil.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: August 6, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jung Keun You, Myoung Ok Lee, Kaang Dok Yee, Chi Sung Oh, Mun Hwan Cho
  • Publication number: 20240250353
    Abstract: A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may include: a first sealing operation of fusing a lead film, which is attached to an electrode lead of an electrode assembly, to a sealing portion of a pouch in which the electrode assembly is accommodated; and a second sealing operation of sealing the sealing portion of the pouch. The first sealing operation may include: a heating process of irradiating with a laser beam a region which is present in the sealing portion of the pouch and corresponds to the lead film, thereby heating the lead film and melting a resin layer of the region; and a bonding process of compressing the region, thereby bonding the lead film and the melted resin layer.
    Type: Application
    Filed: November 3, 2021
    Publication date: July 25, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ju Hwan Baek, Jung Su Oh, Seung Bae Lee
  • Publication number: 20240246837
    Abstract: Provided is a wastewater purification method, the method including: supplying a first mixed stream, in which an acid component and wastewater including water, a nitrile-based monomer, and ammonia are mixed, to a first column; recovering the nitrile-based monomer from an upper discharge stream from the first column; supplying a second mixed stream, in which a lower discharge stream from the first column and a base component are mixed, to a second column; and recovering the ammonia from an upper discharge stream from the second column and separating purified wastewater.
    Type: Application
    Filed: July 1, 2022
    Publication date: July 25, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Suk Yung Oh, Yong Heon Cho, Jung Su Han, Jun Seok Ko, Nam Young Yoon, Sung Hwan Kim
  • Patent number: 12046706
    Abstract: A battery pack manufacturing device includes a transferring part for transferring a plurality of unit cells, an adjusting part for adjusting a position of a pack frame in which the unit cells are accommodated, and a vertical pressing part that vertically presses the unit cells accommodated in the pack frame. The transferring part includes a seating part on which the unit cells are seated. The unit cells are vertically dropped and mounted in accommodating parts of the frame when an opening and closing part of each seating part is opened.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: July 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung Ho Oh, Ju Hwan Baek, Geon Tae Park, Hyeong Min Park, Seok Won Jeung
  • Publication number: 20240156353
    Abstract: Disclosed is a device for acquiring a photoacoustic image and an ultrasonic image, which simultaneously acquires an optoacoustic image signal and an ultrasonic signal by integrally supporting a laser probe that outputs laser power to a object, a first ultrasonic probe that receives a first ultrasonic input from the object by the laser output, and a second ultrasonic probe that outputs an ultrasonic output to the object and receives a second ultrasonic input emitted from the object by the ultrasonic output, and moving together the laser probe, the first ultrasonic probe, and the second ultrasonic probe, the device comprising: an upper support block that supports the laser probe and the second ultrasonic probe on the upper surface thereof; and a lower support block that is coupled to a lower surface of the upper support block and supports the first ultrasonic probe on the side surface thereof.
    Type: Application
    Filed: July 24, 2023
    Publication date: May 16, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Jung Hwan OH
  • Publication number: 20240156354
    Abstract: Disclosed is an apparatus for inputting a combined photoacoustic/ultrasonic image, which generates 3D image information for a object by performing 2D scanning on the object by a first linear motion of a photoacoustic probe and an ultrasonic probe, and a second linear motion perpendicular to the first linear motion, the apparatus comprising: a transfer unit that move the photoacoustic probe and the ultrasonic probe with respect to the object in the first and/or second direction; a photoacoustic unit that outputs a laser to the object, receives a first ultrasound from the object by the laser, and generates a photoacoustic image signal; an ultrasonic unit that outputs an ultrasound to the object, receives a second ultrasound from the object by the ultrasound, and generates an ultrasonic image signal; and a main controller that combines photoacoustic image and ultrasonic image to generate a combined photoacoustic/ultrasonic image.
    Type: Application
    Filed: July 24, 2023
    Publication date: May 16, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Jung Hwan OH
  • Publication number: 20240099588
    Abstract: Provided is an apparatus for inputting a combined photoacoustic/ultrasonic image, according to an embodiment of the present disclosure, which generates three-dimensional image for a to-be-examined object by performing two-dimensional scanning on the to-be-examined object the apparatus comprising: a photoacoustic probe that outputs a laser pulse output or an ultrasonic output to a to-be-examined object, receives a first ultrasonic input from the to-be-examined object by the laser pulse output, and receives a second ultrasonic input from the to-be-examined object by the ultrasonic output; an ultrasonic transceiving unit that generates an ultrasonic output signal for generating the ultrasonic output, receives the first ultrasonic input and the second ultrasonic input, and generates a photoacoustic image signal and an ultrasonic image signal, respectively; and a main controller that generates photoacoustic image and ultrasonic image for the to-be-examined object, and combines the photoacoustic image and ultrasoni
    Type: Application
    Filed: July 12, 2023
    Publication date: March 28, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Jung Hwan OH
  • Publication number: 20240102831
    Abstract: Disclosed are a device and a method for generating ultrasonic scan image information, which can convert a rotatory motion of a motor into a linear reciprocating motion of an ultrasonic probe to allow the ultrasonic probe to scan a subject at high speed, and rapidly generate an accurate three-dimensional ultrasonic image by using a trigger signal. The device for generating ultrasonic scan image information disclosed herein converts a unidirectional rotatory motion of a driving motor into a linear reciprocating motion of a ultrasonic probe connected to the driving motor and two-dimensionally scans a subject by the linear motion of the probe and a vertical motion perpendicular to the linear motion so as to generate an image of the subject.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 28, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Jung Hwan OH
  • Publication number: 20240105977
    Abstract: An apparatus for sensing voltage information of a fuel cell includes: a sensing unit configured to sense voltages of each cell and all cells included in a fuel cell; a controller configured to control the sensing unit to sense the voltages of each cell and all the cells of the fuel cell according to a command of an upper controller, or to transmit information of the sensed voltages of each cell and all the cells to the upper controller; and the upper controller configured to detect an error cell by calculating output power of the fuel cell based on the information of the voltages received from the controller, to substantially prevent damage to a surrounding cell by stopping an operation of the error cell, and to control the output power in real time in correspondence with a state of the fuel cell.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yeong-Geun Yeo, Jung-Hwan Oh, Su-Hun Yang, Seulkirom Kim
  • Publication number: 20240101744
    Abstract: The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a method for preparing the same and a rubber composition including the same, and provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer, and a functional group derived from a modifier, and satisfies conditions (i) to (vii), a method for preparing the same and a rubber composition including the same.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 28, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hwan Oh, Ho Young Lee, Jae Sun Choi
  • Publication number: 20240044844
    Abstract: Disclosed is an apparatus that comprises a photo-acoustic transceiver which outputs, through a laser generator, a laser pulse output toward an object to be examined, and receives, through an ultrasonic wave receiver, an ultrasonic wave image signal from the object to be examined; an analog-to-digital converter which receives the ultrasonic wave image signal and converts same into a digital image signal; a main control unit which receives the digital image signal to generate ultrasonic wave scanning three-dimensional image information about the object to be examined; and a trigger control unit which receives motion information of a photo-acoustic probe to generate a scanning trigger signal corresponding to the motion information, receives laser pulse output information to generate a laser trigger signal corresponding to the laser pulse output, and generates an output trigger signal corresponding to the laser trigger signal and outputs same to the analog-to-digital converter.
    Type: Application
    Filed: January 12, 2022
    Publication date: February 8, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Jung Hwan OH, Jae Yeop CHOI, Van Tu NGUYEN, Van Hiep PHAM, Nguyen Thanh Phong TRUONG, Cao Duon LY, Su Min PARK
  • Patent number: 11870112
    Abstract: An apparatus for sensing voltage information of a fuel cell includes: a sensing unit configured to sense voltages of each cell and all cells included in a fuel cell; a controller configured to control the sensing unit to sense the voltages of each cell and all the cells of the fuel cell according to a command of an upper controller, or to transmit information of the sensed voltages of each cell and all the cells to the upper controller; and the upper controller configured to detect an error cell by calculating output power of the fuel cell based on the information of the voltages received from the controller, to substantially prevent damage to a surrounding cell by stopping an operation of the error cell, and to control the output power in real time in correspondence with a state of the fuel cell.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: January 9, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Yeong-Geun Yeo, Jung-Hwan Oh, Su-Hun Yang, Seulkirom Kim
  • Publication number: 20230159685
    Abstract: The present invention relates to a conjugated diene-based polymer or a modified conjugated diene-based polymer, which has excellent wet skid resistance and abrasion resistance in a balanced way, and a rubber composition including the same, and by controlling the microstructure of the polymer such that a full width at half maximum (FWHM) value of a tan ? peak shown in a temperature range of -100° C. to 100° C. becomes 20° C. or higher in a tan ? graph in accordance with temperature, derived from dynamic viscoelasticity analysis by an Advanced Rheometric Expansion System (ARES), excellent viscoelasticity behavior properties may be shown, and accordingly, the improvement of overall physical properties may be expected.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 25, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Jun Kim, Youk Reol Na, Jung Hwan Oh, No Ma Kim, Ro Mi Lee, Jae Sun Choi
  • Publication number: 20230116111
    Abstract: The present invention relates to a modified conjugated diene-based polymer having excellent affinity with a filler and a method for preparing the same, and provides a modified conjugated diene-based polymer including: a first chain comprising a repeating unit derived from a conjugated diene-based monomer; and one or more graft chains comprising a derived unit from an oligomer and graft-bonded to the first chain, wherein the derived unit from an oligomer comprises a residual group derived from a radical reactive functional group, and a molecular weight distribution increase ratio defined by Mathematical Equation 1 is 20% or less, and a method for preparing the same.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 13, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hye Jung SHIN, Ho Young LEE, Jung Hwan OH
  • Patent number: 11414510
    Abstract: The present invention relates to a modified conjugated diene-based polymer, and more particularly, to a modified conjugated diene-based polymer prepared by continuous polymerization and having a specific polymer structure and molecular weight distribution degree and shape, and thus, having remarkable processability and narrow molecular weight distribution, and thus, having excellent physical properties, and a rubber composition including the same.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 16, 2022
    Inventors: Jung Hwan Oh, You Seok Seo, Jae Hoon Choe, Min Soo Kim, No Ma Kim