Patents by Inventor Woo-Jin Choi

Woo-Jin Choi 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: 20250087511
    Abstract: Provided is a method for determining a center position of a transferred semiconductor part including: disposing at least one pair of component detecting sensors at a transferring path of the semiconductor part; detecting different portions of the semiconductor part by each component detecting sensor; calculating a centering position of the semiconductor part based on the detected different portions; and fixing the semiconductor part at a designated position based on the calculating result.
    Type: Application
    Filed: July 30, 2024
    Publication date: March 13, 2025
    Inventors: Tae Jin KWON, Woo Hyung CHOI, Sang Woo LEE
  • Publication number: 20250075071
    Abstract: Provided is a molded product manufactured from a thermoplastic resin composition containing a polycarbonate-based polymer, a polysiloxane-polycarbonate copolymer, a polysiloxane-polyester copolymer, and a benzotriazole-based UV stabilizer having a molecular weight equal to or greater than about 1,800.
    Type: Application
    Filed: March 20, 2024
    Publication date: March 6, 2025
    Inventors: Min Jin Choi, Seung Hwan Lee, Woo Chul Jung, Kyoung Sil Lee, Choon Ho Lee, In Chol Kim, Young Seung Kim, Yun Seok Bae, Hee Kyoung Ryoo
  • Patent number: 12219271
    Abstract: An image sensor includes a pixel array including a plurality of normal pixels, a plurality of phase detection groups, and a color filter array. Each phase detection group includes a first phase detection pixel and a second phase detection pixel disposed adjacent to the first phase detection pixel. The color filter array includes a plurality of unit groups. Each unit group includes a plurality of color filters of a same color arranged in an M×N matrix on the pixel array, wherein M and N are natural numbers. A first color filter among the color filters of a first color is disposed on the first phase detection pixel of one of the unit groups and a second color filter among the color filters of a second color different from the first color is disposed on the second phase detection pixel of another one of the unit groups.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Jin Park, Woo Seok Choi, Jee Hong Lee
  • Publication number: 20250029868
    Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus includes a chamber in which a process with respect to a substrate is performed, a susceptor which is installed in the chamber and on which the substrate is placed, a plurality of lift pins passing through the susceptor to support the substrate, and a plurality of protection plugs protruding from a bottom surface of the susceptor to surround a portion of each of the lift pins protruding from the bottom surface of the susceptor.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 23, 2025
    Applicant: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Doo Yeol RYU, Ho Min CHOI, Wan Suk OH, Sung Gyun SON, Hyo Jin AHN, Sang Don LEE, Woo Young KANG, Se Yeong KIM, Ki Ho KIM, Koon Woo LEE
  • Publication number: 20250024481
    Abstract: Provided are a method and a device for a terminal executing a scheduling request in wireless communication. The method may include: receiving, from a base station, scheduling request configuration information for configuring a scheduling request using a multi-scheduling request resource; allocating the multi-scheduling request resource according to the scheduling request configuration information; and transmitting, to the base station, a multi-scheduling request using the multi-scheduling request resource.
    Type: Application
    Filed: September 25, 2024
    Publication date: January 16, 2025
    Applicant: KT CORPORATION
    Inventors: Ki-tae KIM, Woo-jin CHOI
  • Patent number: 12193038
    Abstract: Provided are a method and a device for a terminal executing a scheduling request in wireless communication. The method may include: receiving, from a base station, scheduling request configuration information for configuring a scheduling request using a multi-scheduling request resource; allocating the multi-scheduling request resource according to the scheduling request configuration information; and transmitting, to the base station, a multi-scheduling request using the multi-scheduling request resource.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 7, 2025
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi
  • Publication number: 20240421938
    Abstract: Provided is a method for scheduling an uplink control channel (PUCCH) in a next generation/5G wireless access network. The method of a terminal for scheduling a PUCCH may include: receiving, from a base station, timing relationship setting information between a downlink data channel (PDSCH) and a PUCCH; and scheduling the PUCCH on the basis of the timing relationship setting information.
    Type: Application
    Filed: August 25, 2024
    Publication date: December 19, 2024
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Publication number: 20240381325
    Abstract: Provided is s a method for a base station to allocate a time interval resource to transceive a downlink data channel (PDSCH) or an uplink data channel (PUSCH). The method include allocating a time interval resource for each OFDM symbol on the basis of a slot or a mini-slot, transmitting, to a terminal, time interval resource configuration information including OFDM symbol allocation data for OFDM symbols used for data channel transception in the slot or the mini-slot, and transmitting, to the terminal, control information selecting one of the symbol allocation data included in the time interval resource configuration information.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 14, 2024
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 12108482
    Abstract: Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: October 1, 2024
    Assignee: KT CORPORATION
    Inventors: Sung-Pyo Hong, Woo-Jin Choi
  • Patent number: 12101189
    Abstract: Provided is a method for scheduling an uplink control channel (PUCCH) in a next generation/5G wireless access network. The method of a terminal for scheduling a PUCCH may include: receiving, from a base station, timing relationship setting information between a downlink data channel (PDSCH) and a PUCCH; and scheduling the PUCCH on the basis of the timing relationship setting information.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: September 24, 2024
    Assignee: KT Corporation
    Inventors: Kyujin Park, Woo-jin Choi
  • Publication number: 20240314016
    Abstract: Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 19, 2024
    Applicant: KT CORPORATION
    Inventors: Ki-tae KIM, Woo-jin CHOI
  • Publication number: 20240306213
    Abstract: Provided is a method for a base station executing a multi-beam-based random access procedure in wireless communication, and a device therefor. The method may include: transmitting information associated with a RACH resource to a terminal; receiving a multi-RACH preamble from the terminal by a multi-beam; and transmitting a random access response to the terminal.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 12, 2024
    Applicant: KT CORPORATION
    Inventors: Ki-tae KIM, Woo-jin CHOI
  • Patent number: 12069622
    Abstract: Provided is s a method for a base station to allocate a time interval resource to transceive a downlink data channel (PDSCH) or an uplink data channel (PUSCH). The method include allocating a time interval resource for each OFDM symbol on the basis of a slot or a mini-slot, transmitting, to a terminal, time interval resource configuration information including OFDM symbol allocation data for OFDM symbols used for data channel transception in the slot or the mini-slot, and transmitting, to the terminal, control information selecting one of the symbol allocation data included in the time interval resource configuration information.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: August 20, 2024
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Publication number: 20240237012
    Abstract: Provided are a method for monitoring, transmitting, and receiving downlink pre-emption indication information in a next-generation/5G radio access network. The method may include receiving monitoring configuration information for downlink pre-emption indication information from a base station; receiving configuration information on a control resource set (CORESET) for receiving the downlink pre-emption indication information from the base station; configuring reference downlink resources based on the configuration information on a control resource set; and monitoring the downlink pre-emption indication information for the reference downlink resources.
    Type: Application
    Filed: March 22, 2024
    Publication date: July 11, 2024
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 12022518
    Abstract: Provided is a method for a base station executing a multi-beam-based random access procedure in wireless communication, and a device therefor. The method may include: transmitting information associated with a RACH resource to a terminal; receiving a multi-RACH preamble from the terminal by a multi-beam; and transmitting a random access response to the terminal.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: June 25, 2024
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi
  • Patent number: 11996970
    Abstract: Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
    Type: Grant
    Filed: December 11, 2022
    Date of Patent: May 28, 2024
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi
  • Publication number: 20240172066
    Abstract: Provided are a method and a device for performing a UE-based handover in a next generation wireless access network. The method of a UE may include receiving, from a source base station, an upper layer signaling including information on UE-based handover command and information on conditions for handover execution; storing a target cell configuration by using the information on conditions for handover execution; and determining whether to perform a handover procedure to a target cell, by determining whether predetermined conditions for handover are satisfied.
    Type: Application
    Filed: January 26, 2024
    Publication date: May 23, 2024
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Patent number: 11943781
    Abstract: Provided are a method for monitoring, transmitting, and receiving downlink pre-emption indication information in a next-generation/5G radio access network. The method may include receiving monitoring configuration information for downlink pre-emption indication information from a base station; receiving configuration information on a control resource set (CORESET) for receiving the downlink pre-emption indication information from the base station; configuring reference downlink resources based on the configuration information on a control resource set; and monitoring the downlink pre-emption indication information for the reference downlink resources.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: March 26, 2024
    Assignee: KT Corporation
    Inventors: Kyujin Park, Woo-jin Choi
  • Patent number: 11937136
    Abstract: Provided are a method and a device for performing a UE-based handover in a next generation wireless access network. The method of a UE may include receiving, from a source base station, an upper layer signaling including information on UE-based handover command and information on conditions for handover execution; storing a target cell configuration by using the information on conditions for handover execution; and determining whether to perform a handover procedure to a target cell, by determining whether predetermined conditions for handover are satisfied.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: March 19, 2024
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 11924803
    Abstract: Provided are methods and devices for performing positioning in a next-generation wireless network. The method of a UE for performing positioning include identifying configuration information for a transmission bandwidth of a positioning reference signal (PRS) configured per cell and receiving the positioning reference signal corresponding to each cell based on the configuration information for the transmission bandwidth.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: March 5, 2024
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi, Ki-Hyeon Park