Patents by Inventor To KANG

To KANG 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).

  • Method for preparing nanocellulose
    Patent number: 11193239
    Abstract: A method according to the present disclosure may includes preparing a urea solution by dissolving urea in distilled water, adding phosphoric acid to the urea solution, adding pulp to the solution in which urea and phosphoric acid are dissolved, heating the solution such that the urea and the phosphoric acid each react with the pulp and preparing nanocellulose by washing the pulp which is completely reacted, and then grinding the pulp, in which a weight of the phosphoric acid is 10 to 50% based on a weight of the pulp.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: December 7, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Misun Lee, Eunseck Kang, Koun Park, Dongwook Lee, Kyungho Jung
  • 3D semiconductor structure and method of fabricating the same
    Patent number: 11195831
    Abstract: A 3D semiconductor structure includes a buffer layer, a n-type high electron mobility transistor (HEMT) disposed on a first surface of the buffer layer, and a p-type high hole mobility transistor (HHMT) disposed on a second surface of the buffer layer opposite to the first surface.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: December 7, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yung-Chen Chiu, Sheng-Yuan Hsueh, Kuo-Hsing Lee, Chien-Liang Wu, Chih-Kai Kang, Guan-Kai Huang
  • Washing machine having circulation nozzles
    Patent number: 11193232
    Abstract: A washing machine includes a gasket including a gasket body that connects a casing to a tub, and a plurality of nozzles spraying water into a drum. The gasket body has a first area and a second area corresponding to bilateral areas. The nozzles include a first nozzle and a second nozzle disposed in the first area sequentially in a bottom-to-top direction. The washing machine includes a distribution pipe for distribution circulating water to the nozzles, and the distribution pipe includes a first outlet port and a second outlet port for supplying water to first and second nozzles, and a third outlet port and a fourth outlet port for supplying water to third and fourth nozzles. The first and second outlet ports extend parallel to each other, and the third and fourth outlet ports extend parallel to each other.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: December 7, 2021
    Assignee: LG Electronics Inc.
    Inventors: Hosung Jang, Kwanghyun Kim, Sunghoon Kim, Jaehyun Choi, Yohwan Kang, Hansol Kim, Hwanchan Ryu, Hyunjae Lee
  • Organic light emitting diode display device and manufacturing method thereof
    Patent number: 11195896
    Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Hwan Kim, Won Kyu Kwak, Sang Moo Choi, Ji-Hyun Ka, Chul Kyu Kang, Dong Wook Kim, Won Se Lee
  • Diaphragm pump and valve plate thereof
    Patent number: 11193478
    Abstract: A diaphragm pump includes a valve seat, a head cover covered on the valve seat, and a pair of valve plates. A surface of the valves seat is formed concavely with a first receiving trough with a first flow passage, and a second receiving trough with a second flow passage. One of the valve plates is disposed in the first receiving trough, and the other one is disposed in the second receiving trough. The first and second receiving troughs respectively have a geometric shape corresponding with that of the valve plate. The valve plate has a sealing part, and at least one extending arm extended outwardly from the sealing part. The sealing part has a geometric shape being bilaterally symmetrical. The extending arm has an arced end. A gap is existed between an edge of the valves plate and the first receiving trough or the second receiving trough.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: December 7, 2021
    Assignee: KOGE MICRO TECH CO., LTD.
    Inventors: Po-Han Chang, Shu-Hong Lin, Hsien-Liang Cheng, Kang-Hung Yeh
  • Paper comprising aramid pulp suitable for electrochemical cells, and electrochemical cells made therefrom
    Patent number: 11193240
    Abstract: A paper suitable for use as a separator or thermal or fire insulation for use in or with electrochemical cells, and an electrochemical cell comprising the same, the paper having 90 to 99 weight percent aramid fibrous pulp comprising aramid polymer fibrils and 1 to 10 weight percent polyvinylpyrrolidone present as a coating on the surface of the fibers, the paper having a thickness of 10 to 40 micrometers and a tensile strength of at least 15 megapascals or greater.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: December 7, 2021
    Assignee: DUPONT SAFETY & CONSTRUCTION, INC.
    Inventors: Mehdi Afshari, Byoung Sam Kang, Brian R. France
  • Apparatus and method for communicating by using bluetooth low energy
    Patent number: 11197347
    Abstract: An electronic device is provided. The electronic device includes a communication module supporting communication based on Bluetooth Low Energy (BLE), and a processor operatively coupled to the communication module. The processor is configured to transmit control information to request the communication module to operate in a first mode. Upon receiving an advertising Packet Data Unit (PDU) of predefined types from an external electronic device, the first mode corresponds to a mode of controlling the communication module so that a scan request is transmitted to the external electronic device in response to reception of the advertising PDU of the predefined types.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: December 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chunho Park, Namyong Kang, Ihlho Kim, Yunsik Bae
  • Display apparatus and method of controlling the same
    Patent number: 11195478
    Abstract: Disclosed is a display apparatus capable of preventing and/or reducing overheating of driving switches due to a malfunction during varying of a driving voltage. The display apparatus includes: a light emitting diode; a power supply configured to apply a driving voltage to the light emitting diode; a driving switch configured to control the driving current of the light emitting diode; a voltage sensor configured to detect the driving voltage; and a driving controller configured to control the driving switch so that the driving current of the light emitting diode follows a current reference. The driving controller may be configured, based on the driving voltage detected by the voltage sensor being greater than a predetermined voltage, to decrease the current reference to decrease the driving current of the light emitting diode.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: December 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sanghoon Lee, Jeongil Kang
  • Data storage device which selectively performs a cache read or a normal read operation depending on work load and operating method thereof
    Patent number: 11194512
    Abstract: A data storage device may include: a nonvolatile memory device; and a controller configured to control a read operation of the nonvolatile memory device, wherein the controller includes: a memory configured to store workload pattern information; and a processor configured to check a workload pattern in a first period based on the workload pattern information, and decide on a read mode to be performed in a second period following the first period, according to the workload pattern of the first period.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: December 7, 2021
    Assignee: SK hynix Inc.
    Inventors: Min Gu Kang, Jin Soo Kim
  • Fluorene derivative, organic light emitting device using same, and manufacturing method therefor
    Patent number: 11196009
    Abstract: The present specification provides a coating composition including a fluorene derivative, an organic light emitting device formed using the coating composition, and a method for manufacturing the same.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 7, 2021
    Inventors: Esder Kang, Young Kwang Kim, Jaesoon Bae, Jae Hak Jeong, Jiyeon Shin, Seog Jae Seo, Jaechol Lee, Sungkyoung Kang, Leehyeon Baek
  • Method and apparatus for transmitting PLCP frame in wireless local area network system
    Patent number: 11196600
    Abstract: A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: December 7, 2021
    Assignee: Wi-Fi One, LLC
    Inventors: Dae Won Lee, Dong Wook Roh, Byeong Woo Kang, Yong Ho Seok, Yu Jin Noh, Bong Hoe Kim
  • Electronic device including camera module and method for controlling electronic device
    Patent number: 11196945
    Abstract: The present invention relates to an electronic device including a camera module and a method for controlling the electronic device.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 7, 2021
    Inventor: Hwayong Kang
  • Method for producing calcobutrol
    Patent number: 11192864
    Abstract: Disclosed is a method for producing calcobutrol used as an MRI contrast agent. The method comprises the steps of: obtaining butrol represented by chemical formula 2 in the specification by reacting a gadobutrol represented by chemical formula 1 in the specification and a decomplexing agent; and obtaining a calcobutrol represented by chemical Formula 3 in the specification by reacting butrol with calcium ions.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: December 7, 2021
    Assignee: ENZYCHEM LIFESCIENCES CORPORATION
    Inventors: Jae Yong Lee, Jong Soo Lee, Byung Kyu Kang, Byuong Woo Lee, Sang Oh Lee, Dae Myoung Yun, Jae Hun Bang, Ki Young Sohn
  • Emergency escape apparatus for a building
    Patent number: 11193314
    Abstract: An emergency escape apparatus includes a support frame that is configured to be installed on a door or a wall and that defines an exit opening, an escape door that is located at an inner side of the exit opening and configured to open and close the exit opening and that defines an accommodation space, a driving unit located in the accommodation space and configured to rotate relative to the escape door, and an unlocking device that is located in the accommodation space, that is configured to be pushed by the driving unit, and that is configured to release coupling between the escape door and the support frame based on rotation of the driving unit. The driving unit is configured to be controlled by a control unit based on a sensor detecting an event.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: December 7, 2021
    Inventor: Hoyoung Kang
  • Method of controlling washing machine
    Patent number: 11193230
    Abstract: A method of controlling a washing machine includes washing laundry received in the drum by water mixed with detergent, performing a spin dry operation, and performing a rinse operation. The spin dry operation includes rotating the drum at a spin dry speed to allow the laundry to rotate along with the drum without falling from a highest point of the drum, and draining water from the tub while rotating the drum at the spin dry speed. The rinse operation includes decelerating the drum from the spin dry speed to a laundry adherence speed lower than the spin dry speed, supplying a first water supply to the drum, draining the first water supply from the tub, and supplying a second water supply to the drum.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: December 7, 2021
    Assignee: LG Electronics Inc.
    Inventors: Sunjung Kim, Sejin Kang
  • Display device
    Patent number: 11195444
    Abstract: A display device includes: a pixel unit including a plurality of pixels; a scan driver having a plurality of stages and configured to supply a scan signal to the pixel unit; and a light emission control driver having a plurality of stages and configured to supply a light emission control signal to the pixel unit, wherein a first transistor of a plurality of transistors included in at least one of the stages of the scan driver or the stages of the light emission control driver comprises: an active layer pattern on a base layer, and including a channel region forming a channel, and first and second regions on opposite sides of the channel region; and a gate electrode spaced apart from the active layer pattern with a first insulating film therebetween, and overlapping the channel region.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Kim, Tae Wook Kang, Hye Na Kwak, Doo Na Kim, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Yong Su Lee, Jae Hwan Chu
  • Driving circuit and display device
    Patent number: 11194201
    Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of pixel electrodes electrically connected with the plurality of data lines; a plurality of common electrodes corresponding to two or more pixel electrodes among the plurality of pixel electrodes; a data driving circuit outputting data voltages to the plurality of data lines; and a driving circuit outputting a first driving signal with a first voltage level to at least one common electrode among the plurality of common electrodes during a first driving period and a second driving signal with a second voltage level and a third voltage level to the at least one common electrode during a second driving period, the second driving signal being a pulse signal, wherein the second voltage level and the third voltage level differ from the first voltage level.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: December 7, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SeongKyu Kang, SungChul Kim, HoonBae Kim, SunYeop Kim
  • Dispenser container having retractable nozzle
    Patent number: 11192126
    Abstract: A dispenser container having a retractable nozzle is proposed. The container is configured such that an air pumping part (30) is coupled and secured to an upper portion of a container body (10) by a locking cap (20), a guide cap (20) configured to be movable up and down is coupled to the outer surface of the locking cap (20) at a location outside the locking cap, and a nozzle cap (50) configured to pressurize and operate the air pumping part while being rotated and being moved up and down in conjunction with the guide cap is coupled to an upper portion of the guide cap (40) at a location outside the guide cap so that the nozzle (60) coupled to the nozzle coupling hole formed at the side of the nozzle cap is extended and retracted in response to the rotation of the nozzle cap.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 7, 2021
    Assignee: NEST-FILLER PKG CORPORATION
    Inventors: Yoon Seog Shim, Sung Hwan Kang
  • Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
    Patent number: 11195537
    Abstract: The present invention relates to a method and an apparatus for binaural rendering an audio signal using variable order filtering in frequency domain. To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving a set of truncated subband filter coefficients for filtering each subband signal of the input audio signal, the set of truncated subband filter coefficients being constituted by one or more FFT filter coefficients generated by performing FFT by a predetermined block size; generating at least one subframe for each subband; generating at least one filtered subframe for each subband; performing inverse FFT on the filtered subframe for each subband; and generating a filtered subband signal by overlap-adding the transformed subframe for each subband and an apparatus for processing an audio signal using the same.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: December 7, 2021
    Assignees: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Taegyu Lee, Hyunoh Oh, Youngcheol Park, Daehee Youn, Jeongil Seo, Yongju Lee, Seungkwon Beack, Kyeongok Kang, Daeyoung Jang
  • Curtain air bag device
    Patent number: 11192518
    Abstract: Provided is a curtain air bag device including a cushion body provided with a main cushion part and a cushion moving part that is inflated by gas injected from an inflator when the cushion body is deployed and presses the main cushion part in a desired direction, a strap part configured to bind the cushion body such that the main cushion part and the cushion moving part keep a folded shape and to be broken when the cushion body is deployed, and a mounting part connected to the cushion body and coupled to a vehicle body.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: December 7, 2021
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Dong Ho Kang