Patents by Inventor Kwang Ok An

Kwang Ok 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).

  • Publication number: 20220127075
    Abstract: A garbage can provided with an airtight means for preventing odor leakage is provided. In the garbage can, garbage odors may be prevented from leaking into a gap between a cover for opening and closing an inlet for garbage of the garbage can in a casement method and an upper cap provided with the inlet for garbage formed thereon, and also the cover is automatically sealed and opened by the airtight means only by using a pressurizing panel used to open and close the cover without any additional operation, thereby providing convenience of use.
    Type: Application
    Filed: November 7, 2019
    Publication date: April 28, 2022
    Inventor: Kwang Ok CHANG
  • Publication number: 20220126757
    Abstract: A vehicular luggage tray apparatus is capable of receiving and storing goods in a main tray and a sub tray, and of receiving and storing the main tray and the sub tray in an unused space in a side wall of a luggage room of a vehicle.
    Type: Application
    Filed: May 13, 2021
    Publication date: April 28, 2022
    Inventors: Kyoung Ho Lee, Seung Soo Ryu, Jae Yong Lee, Kwang Ok Jeon, Tae Woo Kim, Dong Ju Kim, Kyoung Jun Jin
  • Publication number: 20220123837
    Abstract: Disclosed is a method of registering a new optical network unit (ONU) to be performed by an optical line terminal (OLT). The method includes transmitting a ranging notification message to a centralized unit (CU)/distributed unit (DU) to register the new ONU, receiving scheduling information for registering the new ONU from the CU/DU in response to the ranging notification message, transmitting a serial number request message to a service region in which ONUs are present based on the received scheduling information, and when the serial number response message is received from the new ONU in response to the serial number request message, registering the new ONU that transmits a serial number request message. The transmitting of the serial number request message is performed through a multi-quiet zone of a short period.
    Type: Application
    Filed: July 6, 2021
    Publication date: April 21, 2022
    Inventors: Kwang Ok KIM, Kyeong Hwan DOO, Jung-yeol OH, Han Hyub LEE, Hwan Seok CHUNG
  • Patent number: 11254645
    Abstract: The present disclosure relates to a method for preparing tolimidone on large scale with maintaining high purity and uniform particle size distribution, and more specifically, a method suitable for preparing tolimidone on industrially large scale by using tetrabutyl ammonium bromide catalyst and recrystallization in ethanol, which can prepare highly pure tolimidone in a time shorter than prior arts while maintaining water content and particle size distribution constantly.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: February 22, 2022
    Assignee: BUKWANG PHARMACEUTICAL CO., LTD.
    Inventors: Kwang Ok Lee, Kyung Hwa Lee, Eun Ju Jeong
  • Publication number: 20220025916
    Abstract: A fastener assembly includes a head unit, a fastening part allowing a lower end of the head unit to be coupled thereto, and a fixing part allowing an upper end of the head unit to be inserted thereinto. The head unit includes a head part inserted into an insertion hole of the fixing part, and a guide part configured to be inserted into a longitudinal hole formed in the fastening part and to be in contact with a rear surface of the fastening part, the guide part being configured to be inserted into the longitudinal hole and be rotated such that the head unit is coupled to the fastening part.
    Type: Application
    Filed: May 27, 2021
    Publication date: January 27, 2022
    Inventors: Jong Woo Shim, Se Min Moon, Kyoung Ho Lee, Kwang Ok Jeon, Sun Joo Kim
  • Patent number: 11233572
    Abstract: Disclosed is a slice connection method of an optical access network and an optical access network system for slice connection. A slice connection method performed by an optical network unit (ONU) of an optical access network system may include determining a service type of a host device transmitting a service connection request, determining a slice based on the service type, sending a request for connection to the slice to an optical line terminal (OLT), and relaying data transmission and reception between the OLT and the host device when a slice connection response corresponding to the request is received from the OLT.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: January 25, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Han Hyub Lee, Jung-yeol Oh, Kwang Ok Kim, Kyeong Hwan Doo, Hwan Seok Chung
  • Patent number: 11212600
    Abstract: An integrated dynamic bandwidth allocation method and apparatus in a passive optical network (PON) are provided. The bandwidth allocation method performed by an optical line terminal (OLT) includes generating a service level agreement (SLA) table including an SLA required for calculation for bandwidth allocation corresponding to at least one service queue included in at least one optical network unit (ONU) connected to the OLT, calculating maximum allocatable bandwidths for respective predetermined cycles based on the generated SLA table, and, when a service queue requiring bandwidth allocation is present in the ONU, performing bandwidth allocation according to different bandwidth allocation methods based on a priority level of the service queue using the calculated maximum allocatable bandwidths.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: December 28, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeong Hwan Doo, Kwang Ok Kim, Jung-yeol Oh, Han Hyub Lee, Hwan Seok Chung
  • Publication number: 20210362945
    Abstract: A garbage can provided with an airtight means for preventing odor leakage is provided. In the garbage can, an inner basket covered with a garbage bag is raised and pressurized so that an upper end of the inner basket is in close contact with an airtight part of an upper cap, thereby preventing garbage odors from leaking via a gap between the upper cap and the inner basket, and also the basket is automatically raised and lowered by simply opening and closing a side cover without any separate operation by a user, thereby increasing convenience.
    Type: Application
    Filed: November 7, 2019
    Publication date: November 25, 2021
    Inventor: Kwang Ok CHANG
  • Patent number: 11167695
    Abstract: A luggage box apparatus for a vehicle is disclosed. The luggage box apparatus includes a main box received in a main box receiving space provided at a luggage side trim. The main box is withdrawable from the main box receiving space toward a luggage compartment, for use thereof. The main box is installed to perform linear sliding movement in a withdrawal direction and rotation with respect to the luggage side trim.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: November 9, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Daejoo Precision Industrial
    Inventors: Dae Min Lee, Min Ho Cho, Seung Soo Ryu, Kwang Ok Jeon, Sung Hoon Choo, Sang Bok Lee, Ho Duck Lee
  • Publication number: 20210284658
    Abstract: The present invention provides a novel thiazole derivative or a pharmaceutically acceptable salt thereof, and a method for preparing the same. The thiazole derivative or pharmaceutically acceptable salt thereof according to the present invention has selective inhibitory activity against cyclin-dependent kinase (CDK) and thus can be used as a preventive or therapeutic agent for various diseases associated with CDK.
    Type: Application
    Filed: September 11, 2019
    Publication date: September 16, 2021
    Inventors: Kwang Ok Lee, Jakyung Yoo, Jun Flee Lee, Mijung Lee, Kangwoo Lee
  • Patent number: 11093367
    Abstract: A method for testing an IT system automatically, when it comes to testing based on real transaction data including: (a) obtaining a transaction message by capturing a network packet transmitted and received between a user system and a transaction processing system; (b) transmitting a request data included in the transaction message to the system under test; (c) receiving a response data from the system under test; and (d) comparing the response data received from the system under test and a response data included in the transaction message and determining success or failure, is provided.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: August 17, 2021
    Assignee: LG CNS Co., Ltd.
    Inventors: Yong Sik Kim, Jung Hwan Kim, Jin Ho Kim, Min Sung Shin, Hoil Lee, Kwang Ok Jang, Ki Chang Jung, Kang Hee Han
  • Publication number: 20210196555
    Abstract: Disclosed is a wearable robot for assisting a wrist, including: a plurality of flexible actuators; and a control unit configured to control any one of the plurality of flexible actuators to be contracted or relaxed according to a wrist movement of a wearer. Each of the plurality of flexible actuators includes: a driving part which is contractively deformed by a current or transfer heat applied from the control unit or is relaxed when the heat is lost, and a refrigerant circulating part which is implemented to surround the driving part and circulates a refrigerant so that the contractively deformed driving part is cooled under control of the control unit.
    Type: Application
    Filed: November 27, 2020
    Publication date: July 1, 2021
    Inventors: Ki-Uk KYUNG, Jaeyeon JEONG, Kyujin HYEON, Jungwoo HAN, Kwang-Ok AN, Won-Kyung SONG
  • Publication number: 20210159984
    Abstract: Disclosed is a slice connection method of an optical access network and an optical access network system for slice connection. A slice connection method performed by an optical network unit (ONU) of an optical access network system may include determining a service type of a host device transmitting a service connection request, determining a slice based on the service type, sending a request for connection to the slice to an optical line terminal (OLT), and relaying data transmission and reception between the OLT and the host device when a slice connection response corresponding to the request is received from the OLT.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 27, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Han Hyub LEE, Jung-yeol OH, Kwang Ok KIM, Kyeong Hwan DOO, Hwan Seok CHUNG
  • Publication number: 20210160597
    Abstract: An integrated dynamic bandwidth allocation method and apparatus in a passive optical network (PON) are provided. The bandwidth allocation method performed by an optical line terminal (OLT) includes generating a service level agreement (SLA) table including an SLA required for calculation for bandwidth allocation corresponding to at least one service queue included in at least one optical network unit (ONU) connected to the OLT, calculating maximum allocatable bandwidths for respective predetermined cycles based on the generated SLA table, and, when a service queue requiring bandwidth allocation is present in the ONU, performing bandwidth allocation according to different bandwidth allocation methods based on a priority level of the service queue using the calculated maximum allocatable bandwidths.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 27, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kyeong Hwan DOO, Kwang Ok KIM, Jung-yeol OH, Han Hyub LEE, Hwan Seok CHUNG
  • Publication number: 20210151370
    Abstract: A method for manufacturing a semiconductor package includes disposing a semiconductor chip having contact pads, and a connection structure around the semiconductor chip on a supporting substrate, with the contact pads facing the supporting substrate, forming an encapsulant encapsulating the semiconductor chip and the connection structure on the supporting substrate, embedding a wiring pattern having a connection portion in the encapsulant, the connection portion having a connection hole, forming a through hole penetrating the encapsulant in the connection hole, the through hole exposing a portion of an upper surface of the connection structure, and forming a conductive via in the through hole, the conductive via connecting the wiring pattern to the connection structure.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ik Jun CHOI, Jae Ean LEE, Kwang Ok JEONG, Young Gwan KO, Jung Soo BYUN
  • Publication number: 20210061772
    Abstract: The present disclosure relates to a method for preparing tolimidone on large scale with maintaining high purity and uniform particle size distribution, and more specifically, a method suitable for preparing tolimidone on industrially large scale by using tetrabutyl ammonium bromide catalyst and recrystallization in ethanol, which can prepare highly pure tolimidone in a time shorter than prior arts while maintaining water content and particle size distribution constantly.
    Type: Application
    Filed: January 11, 2018
    Publication date: March 4, 2021
    Inventors: Kwang Ok LEE, Kyung Hwa LEE, Eun Ju JEONG
  • Patent number: 10916495
    Abstract: A semiconductor package includes a supporting member that has a cavity and includes a wiring structure connecting first and second surfaces opposing each other. A connection member is on the second surface of the supporting member and includes a first redistribution layer connected to the wiring structure. A semiconductor chip is on the connection member in the cavity and has connection pads connected to the first redistribution layer. An encapsulant encapsulates the semiconductor chip disposed in the cavity and covers the first surface of the supporting member. A second redistribution layer includes wiring patterns embedded in the encapsulant and has exposed surfaces and connection vias that penetrate through the encapsulant to connect the wiring structure and the wiring patterns to each other.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ik Jun Choi, Jae Ean Lee, Kwang Ok Jeong, Young Gwan Ko, Jung Soo Byun
  • Patent number: 10827240
    Abstract: A cooperative dynamic bandwidth allocation (CO-DBA) method in a structure in which a mobile network and an optical access network are combined allows the mobile network and the optical access network to share mobile scheduling information in advance and allocate bandwidths in advance, and thus prevent a latency in upstream transmission of mobile traffic.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: November 3, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hwan Seok Chung, Kyeong Hwan Doo, Han Hyub Lee, Kwang Ok Kim
  • Patent number: 10817637
    Abstract: A system and method of designing an integrated circuit (IC) by considering a local layout effect are provided. The method of designing an IC may place instances of pre-placement cells so as to decrease occurrence of a local layout effect (LLE) causing structure. The method may extract a context of an instance from a peripheral layout of each of the placed instances to estimate an LLE of the instance, thereby analyzing a performance of the IC.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Naya Ha, Yong-Durk Kim, Bong-hyun Lee, Hyung-ock Kim, Kwang-ok Jeong, Jae-hoon Kim
  • Patent number: D909002
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: January 26, 2021
    Inventor: Kwang Ok Chang