Patents by Inventor Kwang-Su Lee

Kwang-Su Lee 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: 12224446
    Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are combined and staked, a can configured to accommodate the electrode assembly therein, and an insulation coating part applied to an inner surface of the can, wherein the insulation coating part has a coating thickness of 1 ?m to 15 ?m.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: February 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Byoung Gu Lee, Do Gyun Kim, Kwang Su Hwangbo, Sang Suk Jung
  • Patent number: 12218391
    Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: February 4, 2025
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Jung Hwa Park, Kwang Sei Oh, Dong Hoon Lee, Na Young Kim, Eun Su Lee, Seung Jib Yum
  • Publication number: 20240246370
    Abstract: The present disclosure relates to a tire having characters such as a brand name, a model name, etc. engraved on a sidewall thereof. The tire of the present disclosure includes a plurality of knurling units that includes: a first knurling part that is convex; a second knurling part that continues from a side of the first knurling part and is convex; a third knurling part that continues from a side of the second knurling part and is convex; and a fourth knurling part that is convex and is continuously connected from a side of the third knurling part to another side of the first knurling part.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Applicant: HANKOOK TIRE & TECHNOLOGY CO., LTD.
    Inventors: Myong Joong Lee, Kwang Su Lee
  • Patent number: 11975571
    Abstract: The present disclosure relates to a tire having characters such as a brand name, a model name, etc. engraved on a sidewall thereof. The tire of the present disclosure includes a plurality of knurling units that includes: a first knurling part that is convex; a second knurling part that continues from a side of the first knurling part and is convex; a third knurling part that continues from a side of the second knurling part and is convex; and a fourth knurling part that is convex and is continuously connected from a side of the third knurling part to another side of the first knurling part.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: May 7, 2024
    Assignee: Hankook Tire & Technology Co., Ltd.
    Inventors: Myong Joong Lee, Kwang Su Lee
  • Patent number: 11909891
    Abstract: According to an embodiment of the present disclosure, a ring-learning with rounding (LWR)-based quantum-resistant signature method includes: a key generation step of receiving a security parameter, and outputting a signature key and a verification key, via an operation on a ring defined by a cyclotomic equation including three terms; a signature value output step of outputting a signature value based on the output signature key; and a signature verification step of calculating an operation value based on the output verification key and signature value, and verifying a signature based on a result of comparing the output signature value with the calculated operation value.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: February 20, 2024
    Assignees: AGENCY FOR DEFENSE DEVELOPMENT, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jong Hwan Park, Kwang Su Lee, So Hyun Park, Joo Woo, Donghwan Lee, Myung Kil Ahn
  • Publication number: 20230034127
    Abstract: According to an embodiment of the present disclosure, a ring-learning with rounding (LWR)-based quantum-resistant signature method includes: a key generation step of receiving a security parameter, and outputting a signature key and a verification key, via an operation on a ring defined by a cyclotomic equation including three terms; a signature value output step of outputting a signature value based on the output signature key; and a signature verification step of calculating an operation value based on the output verification key and signature value, and verifying a signature based on a result of comparing the output signature value with the calculated operation value.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 2, 2023
    Inventors: Jong Hwan PARK, Kwang Su LEE, So Hyun PARK, Joo WOO, Donghwan LEE, Myung Kil AHN
  • Patent number: 11460725
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu Wook Choi, Kwang-su Lee, Choonggil Lim, Haesung Kim, Jun Ho Jang, Sangkeun Lee
  • Publication number: 20220219494
    Abstract: The present disclosure relates to a tire having characters such as a brand name, a model name, etc. engraved on a sidewall thereof. The tire of the present disclosure includes a plurality of knurling units that includes: a first knurling part that is convex; a second knurling part that continues from a side of the first knurling part and is convex; a third knurling part that continues from a side of the second knurling part and is convex; and a fourth knurling part that is convex and is continuously connected from a side of the third knurling part to another side of the first knurling part.
    Type: Application
    Filed: January 12, 2022
    Publication date: July 14, 2022
    Inventors: Myong Joong Lee, Kwang Su Lee
  • Publication number: 20200174291
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Kyu Wook CHOI, Kwang-su LEE, Choonggil LIM, Haesung KIM, Jun Ho JANG, Sangkeun LEE
  • Patent number: 10452277
    Abstract: The present disclosure relates to a memory device and an operating method thereof. A memory device includes an enable signal generation unit generating an enable signal in response to a command; a storage unit storing product information of the memory device; an information generation unit generating variable information of the memory device; and an output unit combining the product information from the storage unit with the variable information from the information generation unit and outputting the combined information in response to the enable signal.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: October 22, 2019
    Assignee: SK hynix Inc.
    Inventors: Kwang Su Lee, Tae Seung Shin
  • Patent number: 10406881
    Abstract: The present exemplary embodiments relate to a variable damping force shock absorber in which variable valves each capable of varying a damping force during compression and rebound strokes are installed inside a cylinder, and thus, a volume of an apparatus is reduced to easily secure an installation space and prevent interference with peripheral components.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: September 10, 2019
    Assignee: MANDO CORPORATION
    Inventor: Kwang Su Lee
  • Publication number: 20180244122
    Abstract: The present exemplary embodiments relate to a variable damping force shock absorber in which variable valves each capable of varying a damping force during compression and rebound strokes are installed inside a cylinder, and thus, a volume of an apparatus is reduced to easily secure an installation space and prevent interference with peripheral components.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 30, 2018
    Inventor: Kwang Su LEE
  • Publication number: 20170293435
    Abstract: The present disclosure relates to a memory device and an operating method thereof. A memory device includes an enable signal generation unit generating an enable signal in response to a command; a storage unit storing product information of the memory device; an information generation unit generating variable information of the memory device; and an output unit combining the product information from the storage unit with the variable information from the information generation unit and outputting the combined information in response to the enable signal.
    Type: Application
    Filed: August 29, 2016
    Publication date: October 12, 2017
    Inventors: Kwang Su LEE, Tae Seung SHIN
  • Patent number: 9228632
    Abstract: Provided is a damping force variable shock absorber in which an additional valve is installed in a rod guide so as to implement performance that could not be implemented by a main valve. The damping force variable shock absorber includes: a base shell in which a damping force variable valve assembly is attached to an outside thereof; an inner tube which is installed inside the base shell and in which a piston rod is installed to be movable in a length direction; a piston valve which is connected to one end of the piston rod to partition an internal space of the inner tube into a rebound chamber and a compression chamber; a separator tube which is installed to partition a space between the base shell and the inner tube into a low-pressure chamber and a high-pressure chamber.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: January 5, 2016
    Assignee: MANDO CORPORATION
    Inventor: Kwang Su Lee
  • Publication number: 20140368249
    Abstract: The present invention relates to a delay control circuit and technology in which the amount of delay can be regularly maintained although Process, Voltage, and Temperature (PVT) conditions are changed. The delay control circuit of the present invention includes a ZQ calibration unit configured to generate an impedance code into which a change of PVT conditions has been incorporated, a voltage trimming unit configured to control a level of a trimming voltage at a calibration node, and a delay compensation unit configured to compensate for the amount of delay by controlling an effective capacitance value of a capacitor.
    Type: Application
    Filed: September 13, 2013
    Publication date: December 18, 2014
    Applicant: SK hynix Inc.
    Inventor: Kwang Su LEE
  • Publication number: 20140339033
    Abstract: Provided is a damping force variable shock absorber in which an additional valve is installed in a rod guide so as to implement performance that could not be implemented by a main valve. The damping force variable shock absorber includes: a base shell in which a damping force variable valve assembly is attached to an outside thereof; an inner tube which is installed inside the base shell and in which a piston rod is installed to be movable in a length direction; a piston valve which is connected to one end of the piston rod to partition an internal space of the inner tube into a rebound chamber and a compression chamber; a separator tube which is installed to partition a space between the base shell and the inner tube into a low-pressure chamber and a high-pressure chamber.
    Type: Application
    Filed: May 13, 2014
    Publication date: November 20, 2014
    Applicant: MANDO CORPORATION
    Inventor: KWANG SU LEE
  • Patent number: 8585025
    Abstract: Provided is an air spring for sensing a behavior of a vehicle and varying a spring constant by changing a chamber volume of the air spring, improving the ride comfort and the steering stability according to situations. An air spring installed in a vehicle to absorb shock from exterior includes: a first body fixed to a vehicle body side of the vehicle; a second body fixed to a wheel side of the vehicle; an air sleeve installed between the first body and the second body to serve as a spring while varying an outer shape thereof according to a change of an internal pressure; and a valve structure for dividing an inner space of the air spring to form a plurality of chambers, and operating by inertia caused by a behavior of the vehicle to selectively connect or block the plurality of chambers.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: November 19, 2013
    Assignee: Mando Corporation
    Inventor: Kwang Su Lee
  • Patent number: 8402308
    Abstract: An object of the present invention is to provide apparatus and method for failure management of a RFID middleware management system for providing optimum failure detection and restoring technologies to the RFID middleware management system for supporting more exquisite and faster failure detection and restoration. The apparatus for failure management of a RFID middleware management system includes a plurality of readers each for sensing and reading in a tag data, a plurality of RFID middlewares each for processing the tag data from the readers through processing steps of collection, classification, and transferring a result of the processing to an application in a fixed format, and an MMS (middleware management system) for detecting a failure taken place at the RFID middlewares, and performing at least one of re-starting and work shifting to restore the RFID middleware from the failure detected thus.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: March 19, 2013
    Assignee: Pusan National University Industry-University Cooperation Foundation
    Inventors: Heung-Seok Chae, Kwang-Su Lee, Hyun-Suk Baek
  • Patent number: 8319519
    Abstract: An impedance code generation circuit includes an impedance unit configured to drive a calibration node to a first level by using an impedance value determined by an impedance code, a code generation unit configured to generate the impedance code so that a voltage of the calibration node has a voltage level between a first reference voltage and a second reference voltage, and a reference voltage generation unit configured to generate the first reference voltage and the second reference voltage in response to the impedance code.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: November 27, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventor: Kwang-Su Lee
  • Patent number: 8306100
    Abstract: A test circuit capable of reducing the number of data I/O pins of a tester at a read operation includes a data masking control unit for masking a part of output data in response to an activation of one of an upper data masking signal to control a group of upper data pins and a lower data masking signal to control a group of lower data pins when a test mode signal is activated at a read operation.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: November 6, 2012
    Assignee: SK hynix Inc.
    Inventor: Kwang-Su Lee