Patents by Inventor Jung-il An

Jung-il An 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).

  • Patent number: 11671129
    Abstract: A system for linearized-mixer interference mitigation includes first and second linearized frequency downconverters; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled BB transmit signal to generate a cleaned BB transmit signal; an analog interference canceller that transforms the cleaned BB transmit signal to a BB interference cancellation signal; and a first signal coupler that combines the BB interference cancellation signal and the BB receive signal in order to remove a first portion of receive-band interference.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: June 6, 2023
    Assignee: Kumu Networks, Inc.
    Inventors: Jung-Il Choi, Mayank Jain, Christian Hahn
  • Patent number: 11637623
    Abstract: An optically-enhanced relay including a first transmitter that converts a first digital transmit signal to a first analog transmit signal, a first receiver that converts a first analog receive signal to a first digital receive signal, a second transmitter that converts a second digital transmit signal to a second analog transmit signal, a second receiver that converts a second analog receive signal to a second digital receive signal, and an optically-enhanced analog self-interference canceller that generates a first self-interference cancellation signal based on at least one of the first digital transmit signal and the first analog transmit signal, and combines the first self-interference cancellation signal with at least one of the first digital receive signal and the first analog receive signal.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: April 25, 2023
    Assignee: Kumu Networks, Inc.
    Inventors: Steven Hong, Jeffrey Mehlman, Joel Brand, Jung-Il Choi, Mayank Jain
  • Publication number: 20230051798
    Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.
    Type: Application
    Filed: October 24, 2022
    Publication date: February 16, 2023
    Inventors: Jung-il Choi, Mayank Jain, Wilhelm Steffen Hahn, Alfred Riddle
  • Publication number: 20230053028
    Abstract: Methods of culturing embryonic stem cells, induced pluripotent stem cells and/or differentiated cells in culture medium comprising activin are described. In one aspect, the disclosure features a pluripotent human stem cell, wherein the stem cell comprises: (i) a genomic edit that results in loss of function of Cytokine Inducible SH2 Containing Protein (CISH) and (ii) a genomic edit that results in a loss of function of an agonist of the TGF beta signaling pathway, or a genomic edit that results in a loss of function of adenosine Ata receptor.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Inventors: G. Grant Welstead, Jung Il Moon
  • Publication number: 20230003801
    Abstract: An apparatus for estimating a state of a battery includes a memory configured to store a program of a neural network including a plurality of pre-trained predictive models and an adaptive hidden layer; and includes at least one processor configured to execute the program. The program includes an instruction for receiving battery data of a target battery, inputting the battery data to the adaptive hidden layer, selecting one predictive model from the plurality of pre-trained predictive models through the adaptive hidden layer, inputting the battery data to the selected predictive model, and outputting prediction data for a remaining useful life of the target battery through the selected predictive model.
    Type: Application
    Filed: April 26, 2022
    Publication date: January 5, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jaekyung Oh, Won Jae Choi, Ju Seok Kim, Chulkyu Lee, Hee Yeon Ryu, Bohyun Lee, Yun Young Choi, Seongyoon Kim, Jung-Il Choi
  • Publication number: 20220416912
    Abstract: A system for enhancing isolation in coexisting time-division duplexed (TDD) transceivers includes: a blocker canceller that transforms a transmit signal of a TDD transceiver into a blocker cancellation signal configured to remove transmit-band interference in a receive signal; a first filter that filters the blocker cancellation signal; a second filter that filters the transmit signal; and a transmit-noise canceller that transforms the filtered transmit signal into a transmit noise cancellation signal configured to remove receive-band interference in the receive signal.
    Type: Application
    Filed: September 6, 2022
    Publication date: December 29, 2022
    Inventors: Mayank Jain, Wilhelm Steffen Hahn, Jung-Il Choi, Jeffrey Mehlman
  • Publication number: 20220394642
    Abstract: A repeater system, preferably including one or more radio transceivers, such as a 5G NR transceiver configured to communicate with other elements of a 5G NR communication network such as user equipment and/or gNBs, and a signal processor. A method for repeater operation, preferably including determining synchronization information, operating in a synchronized repeater mode, and maintaining synchronization (such as by monitoring periodic signal timing and adjusting operation timing based on the monitoring), and optionally including operating in a fallback repeater mode.
    Type: Application
    Filed: August 17, 2022
    Publication date: December 8, 2022
    Inventors: Mayank Jain, Jung-Il Choi, Tanvi Jadhav
  • Patent number: 11515906
    Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: November 29, 2022
    Assignee: Kumu Networks, Inc.
    Inventors: Jung-il Choi, Mayank Jain, Wilhelm Steffen Hahn, Alfred Riddle
  • Publication number: 20220325942
    Abstract: The present disclosure relates to a refrigerator provided with a shelf system in which a shelf located at a high position can be withdrawn to a front lower side so that food can be easily stored or taken out. The shelf system constituting the refrigerator according to the present disclosure includes a shelf on which food is placed, a frame which supports the shelf and is detachably attached to a main body of the refrigerator; multiple links provided on one side of the shelf and configured to support the shelf such that the shelf moves forward/backward or upward/downward or is rotatable; and a guide hole which is formed in the frame and controls a trajectory along which at least one link of the multiple links moves, wherein a rotation center shaft of at least one link of the multiple links moves when the shelf moves.
    Type: Application
    Filed: July 31, 2020
    Publication date: October 13, 2022
    Inventors: Jung-il SHIN, Sang-hoon LEE
  • Patent number: 11469828
    Abstract: A system for enhancing isolation in coexisting time-division duplexed (TDD) transceivers includes: a blocker canceller that transforms a transmit signal of a TDD transceiver into a blocker cancellation signal configured to remove transmit-band interference in a receive signal; a first filter that filters the blocker cancellation signal; a second filter that filters the transmit signal; and a transmit-noise canceller that transforms the filtered transmit signal into a transmit noise cancellation signal configured to remove receive-band interference in the receive signal.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: October 11, 2022
    Assignee: Kumu Networks, Inc.
    Inventors: Mayank Jain, Wilhelm Steffen Hahn, Jung-Il Choi, Jeffrey Mehlman
  • Publication number: 20220310506
    Abstract: A semiconductor device includes a first conductive lower wiring disposed at a first metal level and that extends in a first direction, a first upper wiring structure connected to the first conductive lower wiring and that includes a first conductive upper wiring and a first conductive upper via, where the first conductive upper wiring is disposed at a second metal level higher than the first metal level and extends in a second direction different from the first direction, and a conductive insertion pattern disposed between the first conductive lower wiring and the first upper wiring structure and connected to the first conductive upper via. An upper surface of the conductive insertion pattern has a first width in the first direction, and a bottom surface of the first conductive upper via has a second width in the first direction that is less than the first width.
    Type: Application
    Filed: January 4, 2022
    Publication date: September 29, 2022
    Inventors: Jung Il Park, Jeong Hoon Ahn, Yun Ki Choi
  • Patent number: 11457422
    Abstract: A repeater system, preferably including one or more radio transceivers, such as a 5G NR transceiver configured to communicate with other elements of a 5G NR communication network such as user equipment and/or gNBs, and a signal processor. A method for repeater operation, preferably including determining synchronization information, operating in a synchronized repeater mode, and maintaining synchronization (such as by monitoring periodic signal timing and adjusting operation timing based on the monitoring), and optionally including operating in a fallback repeater mode.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: September 27, 2022
    Assignee: Kumu Networks, Inc.
    Inventors: Mayank Jain, Jung-Il Choi, Tanvi Jadhav
  • Patent number: 11423358
    Abstract: A power software development platform may include a platform adapter configured to provide a connection environment for a plurality of communication devices each installed in a plurality of power facilities, a platform gateway configured to collect data through a plurality of power systems to which the plurality of communication devices are connected, a platform interface which provide a distribution service for the data collected by the platform gateway, a platform data hub configured to receive the data through the distribution service, verify the received data, and provide an access environment for the verified data to an application developer, an analysis abstraction service configured to convert a plurality of physical analysis engines into abstracted services and provide the abstracted services to the application developer, and an application gateway configured to receive an application from the application developer and provide the application to an application user.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: August 23, 2022
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Jung-Il Lee, Jun-Sung Kim, Hee-Jeong Park, Ji-Kang Sin, Seung-Hwan Choi
  • Patent number: 11424163
    Abstract: Provided are a three-dimensional electronic device manufactured through a polymer frame solvent-plasticizing process and a method for manufacturing the three-dimensional electronic device including a polymer frame configured to have a planar figure-like shape so as to have a polygonal bottom and adjacent surfaces which are formed to be extended from respective edges of the bottom; and a flexible electronic device which is transferred to the polymer frame. The polymer frame is exposed to organic solvent vapor and has a change in Young's modulus.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 23, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Heung Cho Ko, Gi Gwan Kim, Hun Soo Jang, Seong Hyeon Kang, Yeong Min Kim, Seong Gwang Yoo, Jung Il Yoo
  • Publication number: 20220255197
    Abstract: The battery pack includes a casing, at least two battery cells, and a system including a cartridge in which the battery cell is received and a lead jig, wherein the cartridge is configured to be opened and closed to attach/detach the battery cell, and the lead jig is configured to be mounted/demounted on/from a lead of the battery cell, and when the battery cell is received in the cartridge and stacked in a thickness direction and the lead jig is mounted on the lead of the battery cell, an electrical connection is established between the battery cells without welding the leads of the battery cells.
    Type: Application
    Filed: March 16, 2021
    Publication date: August 11, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: JUNG-IL SHIN
  • Patent number: 11377679
    Abstract: Provided is a multi-well-based cell culture test device having an array structure of a plurality of aligned well units. Each of the well units includes a first sub-well adapted to accommodate a first fluid, a second sub-well adapted to accommodate a second fluid, and a barrier located between the first sub-well and the second sub-well to partition the first sub-well and the second sub-well. The first sub-well has a recess in the depth direction with respect to its bottom to accommodate a solid thin film formed by solidifying the first fluid. The barrier has such a height that the first fluid does not overflow into the second sub-well when the first fluid is loaded into the first sub-well to fill the recess.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: July 5, 2022
    Assignee: QUANTAMATRIX INC.
    Inventors: Sung Hoon Kwon, Hyun Yong Jeong, Tae Geun Lim, Jung Il Choi, Eun Guen Kim
  • Patent number: 11373547
    Abstract: Provided is a tactile display tablet capable of stably and fast driving a braille display, which includes: a control unit generating a tactile map including information on entire tactile pixels based on output data of a connected user terminal or output data of a self-driven application; a tactile divider unit extracting differential data on the tactile map based on a difference between a tactile map currently received from the control unit and a previously received tactile map, and generating first division differential maps by dividing the differential data; a first slave unit configured to generate second division differential maps by dividing the first division differential maps; a second slave unit generating third division differential maps by dividing the second division differential maps; and a third slave unit for implementing a tactile display according to the entire tactile pixels based on the third division differential maps.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: June 28, 2022
    Assignees: Power Contents Technology Co., Ltd., GACHON UNIVERSITY-INDUSTRY FOUNDATION
    Inventors: Jung Il Jung, Jin Soo Cho
  • Publication number: 20220156840
    Abstract: A method of providing financial investment product information based on a financial investment product with periodic nature by using a server, includes providing a user interface which provides information on at least one of financial investment product buying information and financial investment product selling information according to a request of a user terminal and includes plurality of pieces of financial investment product item information. Also providing detailed information on the received financial investment product item information, wherein the financial investment product item information provided in the user interface includes a financial investment product item name and expected return information at the time of selling or buying the financial investment product item, and either one of the financial investment product item name and the expected return information can be provided.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 19, 2022
    Inventor: Jung Il LEE
  • Publication number: 20220070802
    Abstract: A repeater system, preferably including one or more radio transceivers, such as a 5G NR transceiver configured to communicate with other elements of a 5G NR communication network such as user equipment and/or gNBs, and a signal processor. A method for repeater operation, preferably including determining synchronization information, operating in a synchronized repeater mode, and maintaining synchronization (such as by monitoring periodic signal timing and adjusting operation timing based on the monitoring), and optionally including operating in a fallback repeater mode.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 3, 2022
    Inventors: Mayank Jain, Jung-Il Choi, Tanvi Jadhav
  • Publication number: 20220058991
    Abstract: A display device includes a display panel including one surface, on which an image is displayed, and an opposing surface opposite to the one surface; a support plate disposed on the opposing surface of the display panel and including one surface facing the display panel, an opposing surface opposite to the one surface thereof, where a plurality of openings is defined through the support plate from the one surface to the opposing surface thereof in a thickness direction such that the support plate further includes inclined inner peripheral surfaces defining the plurality of openings; and a coating layer disposed to surround the one surface of the support plate, the opposing surface of the support plate, and the inner peripheral surfaces of the support plate defining the plurality of openings.
    Type: Application
    Filed: June 3, 2021
    Publication date: February 24, 2022
    Inventors: Jung Hun LEE, Jung Il LEE, Ji Heon LEE