Patents by Inventor Dong-Keun Kim

Dong-Keun 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: 20250051662
    Abstract: A method for refining waste plastic pyrolysis oil is provided, including: applying a voltage to a first mixed solution obtained by mixing waste plastic pyrolysis oil, washing water, and a demulsifier to dehydrate the first mixed solution to form a dehydrated first mixed solution; and hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution dehydrated and a sulfur source to produce refined oil from which impurities have been removed, and a device related thereto. The method and device may prevent or minimize formation of an ammonium salt (NH4Cl) and/or prevent adhesion of impurity particles in a refining process of waste plastic pyrolysis oil containing impurities such as chlorine and nitrogen, and provides waste plastic pyrolysis oil having low content of impurities and olefins and excellent quality, and thus, may be used as a feedstock for blending with existing petroleum products or oil refining and petrochemical processes.
    Type: Application
    Filed: February 14, 2024
    Publication date: February 13, 2025
    Inventors: Yong Woon Kim, Kyong Sik Park, Min Woo Shin, Jin Seong Jang, Dong Keun Kim, Joo Won Park, Un Cheol Baek, Byung Kook Ahn
  • Publication number: 20250014630
    Abstract: A semiconductor apparatus includes a temperature detecting circuit and a temperature raising circuit. The temperature detecting circuit detects a temperature to generate temperature detection information. The temperature raising circuit generates heat through a toggling operation based on the temperature detection information.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 9, 2025
    Applicant: SK hynix Inc.
    Inventors: Dong Keun KIM, Min KANG, Dong Uc KO, Young Su OH, Hyun Ju YOON, Jun Hyun CHUN
  • Patent number: 12125516
    Abstract: A semiconductor apparatus includes a temperature detecting circuit and a temperature raising circuit. The temperature detecting circuit detects a temperature to generate temperature detection information. The temperature raising circuit generates heat through a toggling operation based on the temperature detection information.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: October 22, 2024
    Assignee: SK hynix Inc.
    Inventors: Dong Keun Kim, Min Kang, Dong Uc Ko, Young Su Oh, Hyun Ju Yoon, Jun Hyun Chun
  • Patent number: 12080345
    Abstract: A memory device may include a bank layer and a control circuit layer. The bank layer may be arranged on a semiconductor substrate. The bank layer may include a plurality of mats. Each of the mats may include a plurality of stacked decks. Each of the decks may include a plurality of memory cells. The control circuit layer may be arranged between the semiconductor substrate and the bank layer. The control circuit layer may include a plurality of control circuit regions corresponding to the mats, respectively. The stacked decks may include a plurality of stacked word lines and a plurality of stacked bit lines intersected with the stacked word lines. A word line decoder, for controlling the word lines, and a bit line decoder, for controlling the bit lines, may be alternately and repeatedly arranged in the control circuit layer.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: September 3, 2024
    Assignee: SK hynix Inc.
    Inventor: Dong Keun Kim
  • Patent number: 11972829
    Abstract: A semiconductor apparatus may include a repair circuit configured to activate a redundant line of a cell array region by comparing repair information and address information. The semiconductor apparatus may include a main decoder configured to perform a normal access to the cell array region by decoding the address information. The address information may include both column information and row information.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 30, 2024
    Assignee: SK hynix Inc.
    Inventor: Dong Keun Kim
  • Publication number: 20230323222
    Abstract: The present disclosure provides a method of treating waste plastic pyrolysis oil. The method includes a first step of washing waste plastic pyrolysis oil with water and then removing moisture; a second step of mixing the waste plastic pyrolysis oil from which the moisture is removed and a sulfur source to prepare a mixed oil; a third step of hydrotreating the mixed oil with hydrogen gas in the presence of a hydrotreating catalyst; a fourth step of separating the hydrotreated mixed oil into a liquid stream and a gas stream to obtain liquid pyrolysis oil; and a fifth step of recovering hydrogen gas from the separated gas stream and recycling the recovered hydrogen gas to the third step.
    Type: Application
    Filed: May 30, 2023
    Publication date: October 12, 2023
    Inventors: Yong Woon Kim, Byoung Kyu Kwak, Ja Cheol Koo, Dong Keun Kim, Young Seo Park, Joo Won Park, Byung Kook Ahn, Yun Hee Lee, Jae Heum Jung
  • Publication number: 20230323221
    Abstract: The present disclosure provides a method of treating waste plastic pyrolysis oil. The method includes a first step of washing waste plastic pyrolysis oil with water and then removing moisture; a second step of mixing the waste plastic pyrolysis oil from which the moisture is removed and a sulfur source to prepare a mixed oil; a third step of hydrotreating the mixed oil with hydrogen gas in the presence of a hydrotreating catalyst; a fourth step of separating the hydrotreated mixed oil into a liquid stream and a gas stream to obtain liquid pyrolysis oil; and a fifth step of recovering hydrogen gas from the separated gas stream and recycling the recovered hydrogen gas to the third step.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 12, 2023
    Inventors: Yong Woon Kim, Byoung Kyu Kwak, Ja Cheol Koo, Dong Keun Kim, Young Seo Park, Joo Won Park, Byung Kook Ahn, Yun Hee Lee, Jae Heum Jung
  • Patent number: 11742015
    Abstract: A memory system is provided to include a storage device including memory cells for storing data, and a controller in communication with an external device and configured to control the storage device based on a request from the external device. The controller is configured to receive a request from the external device to perform a refresh operation of re-writing stored data in the memory cells, read data from the memory cells included in the storage device, set a refresh period based on a number of fail bits included in the read data and a temperature of the controller or the storage device, and perform the refresh operation of the storage device based on the refresh period.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: August 29, 2023
    Assignee: SK hynix Inc.
    Inventors: Hyun Ju Yoon, Min Kang, Dong Uc Ko, Dong Keun Kim, Young Su Oh, Jun Hyun Chun
  • Publication number: 20230260185
    Abstract: The disclosed method may include: generating, by using an object generator, a first feature map object class having a multi-layer feature map downsampled from a frame image into different sizes by processing a video; obtaining an upsampled, multi-layer feature map by upsampling a multi-layer feature map of the first feature map object class, and obtaining a second feature map object class by performing a convolution operation on the up-sampled multi-layer feature map; detecting a human object corresponding to the one or more real humans from the second feature map, and separating the human objects; detecting, motions of key points of the human objects and converting motions of the real humans into data and generating motion information; creating synthetic video content by synthesizing the human objects into a background image; and displaying the synthetic video content on a display and selectively displaying the motion information.
    Type: Application
    Filed: March 30, 2022
    Publication date: August 17, 2023
    Applicant: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Dong Keun KIM, Hyun Jung KANG, Jeong Hwi LEE
  • Publication number: 20230253026
    Abstract: A semiconductor apparatus includes a temperature detecting circuit and a temperature raising circuit. The temperature detecting circuit detects a temperature to generate temperature detection information. The temperature raising circuit generates heat through a toggling operation based on the temperature detection information.
    Type: Application
    Filed: April 11, 2023
    Publication date: August 10, 2023
    Applicant: SK hynix Inc.
    Inventors: Dong Keun KIM, Min KANG, Dong Uc KO, Young Su OH, Hyun Ju YOON, Jun Hyun CHUN
  • Publication number: 20230252814
    Abstract: A method and an apparatus for separating a human object from video and estimating a posture, the method including: obtaining video of one or more real people, using a camera; generating a first feature map object having multi-layer feature maps down-sampled to different sizes from a frame image, by processing the video in units of frames; obtaining an upsampled multi-layer feature map by upsampling the multi-layer feature maps of the first feature map object, and obtaining a second feature map object, by performing convolution on the upsampled multi-layer feature map with the first feature map; detecting and separating a human object corresponding to the one or more real people from the second feature map object; and detecting a keypoint of the human object.
    Type: Application
    Filed: March 29, 2022
    Publication date: August 10, 2023
    Applicant: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Dong Keun KIM, Hyun Jung KANG, Jeong Hwi LEE
  • Patent number: 11587608
    Abstract: There are provided a volatile memory device, and an operating method. The volatile memory device includes: a plurality of memory cells arranged in rows and columns and structured to store data; word lines; bit lines; a row decoder; a column decoder; and a control logic coupled to communicate with the row and column decoders and configured to, in an active period, provide the row decoder with a first command, and provide the column decoder with a second command, wherein the row decoder is further configured to: apply a first word line voltage higher than a ground voltage to a selected word line, from when the first command is provided; and for a duration over which the row decoder is activated, apply either a second word line voltage lower than the first word line voltage to the selected word line or no voltage to the selected word line.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: February 21, 2023
    Assignee: SK hynix Inc.
    Inventors: Hyun Ju Yoon, Min Kang, Dong Uc Ko, Dong Keun Kim, Young Su Oh, Jun Hyun Chun
  • Patent number: 11581040
    Abstract: A semiconductor memory apparatus may include a memory bank, a global buffer array, and an input and output circuit. The memory bank includes a local data circuit, and the global buffer array includes a global data circuit. The local data circuit is operably coupled to the global data circuit. The global buffer array may be operably coupled to the input and output circuit. The memory bank is disposed in a core region, and the global buffer array and the input and output circuit may be disposed in a peripheral region separated from the core region.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: February 14, 2023
    Assignee: SK hynix Inc.
    Inventor: Dong Keun Kim
  • Publication number: 20230023098
    Abstract: A semiconductor apparatus may include a repair circuit configured to activate a redundant line of a cell array region by comparing repair information and address information. The semiconductor apparatus may include a main decoder configured to perform a normal access to the cell array region by decoding the address information. The address information may include both column information and row information.
    Type: Application
    Filed: October 5, 2022
    Publication date: January 26, 2023
    Applicant: SK hynix Inc.
    Inventor: Dong Keun KIM
  • Publication number: 20230022393
    Abstract: A semiconductor apparatus may include a repair circuit configured to activate a redundant line of a cell array region by comparing repair information and address information. The semiconductor apparatus may include a main decoder configured to perform a normal access to the cell array region by decoding the address information. The address information may include both column information and row information.
    Type: Application
    Filed: October 5, 2022
    Publication date: January 26, 2023
    Applicant: SK hynix Inc.
    Inventor: Dong Keun KIM
  • Publication number: 20230011582
    Abstract: A memory module includes a module substrate, a plurality of memory devices, a first power line, and a second power line. The memory devices are mounted on the module substrate. Each of the memory devices includes a power management member. The first power line may be arranged in the module substrate to provide each of the memory devices with power. The second power line may be electrically connected between the power management members of adjacent memory devices to control and share the power provided to the adjacent memory devices.
    Type: Application
    Filed: July 7, 2022
    Publication date: January 12, 2023
    Applicant: SK hynix Inc.
    Inventors: Dong Keun KIM, Min KANG, Dong Uc KO, Young Su OH, Hyun Ju YOON, Jun Hyun CHUN
  • Patent number: 11551780
    Abstract: A semiconductor apparatus may include a repair circuit configured to activate a redundant line of a cell array region by comparing repair information and address information. The semiconductor apparatus may include a main decoder configured to perform a normal access to the cell array region by decoding the address information. The address information may include both column information and row information.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 10, 2023
    Assignee: SK hynix Inc.
    Inventor: Dong Keun Kim
  • Publication number: 20220270673
    Abstract: A semiconductor apparatus includes a temperature detecting circuit and a temperature raising circuit. The temperature detecting circuit detects a temperature to generate temperature detection information. The temperature raising circuit generates heat through a toggling operation based on the temperature detection information.
    Type: Application
    Filed: July 1, 2021
    Publication date: August 25, 2022
    Applicant: SK hynix Inc.
    Inventors: Dong Keun KIM, Min KANG, Dong Uc KO, Young Su OH, Hyun Ju YOON, Jun Hyun CHUN
  • Publication number: 20220165329
    Abstract: A memory system is provided to include a storage device including memory cells for storing data, and a controller in communication with an external device and configured to control the storage device based on a request from the external device. The controller is configured to receive a request from the external device to perform a refresh operation of re-writing stored data in the memory cells, read data from the memory cells included in the storage device, set a refresh period based on a number of fail bits included in the read data and a temperature of the controller or the storage device, and perform the refresh operation of the storage device based on the refresh period.
    Type: Application
    Filed: June 7, 2021
    Publication date: May 26, 2022
    Inventors: Hyun Ju YOON, Min KANG, Dong Uc KO, Dong Keun KIM, Young Su OH, Jun Hyun CHUN
  • Publication number: 20220165325
    Abstract: There are provided a volatile memory device, and an operating method. The volatile memory device includes: a plurality of memory cells arranged in rows and columns and structured to store data; word lines; bit lines; a row decoder; a column decoder; and a control logic coupled to communicate with the row and column decoders and configured to, in an active period, provide the row decoder with a first command, and provide the column decoder with a second command, wherein the row decoder is further configured to: apply a first word line voltage higher than a ground voltage to a selected word line, from when the first command is provided; and for a duration over which the row decoder is activated, apply either a second word line voltage lower than the first word line voltage to the selected word line or no voltage to the selected word line.
    Type: Application
    Filed: June 2, 2021
    Publication date: May 26, 2022
    Inventors: Hyun Ju YOON, Min KANG, Dong Uc KO, Dong Keun KIM, Young Su OH, Jun Hyun CHUN