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).
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Patent number: 12224446Abstract: 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: GrantFiled: August 14, 2019Date of Patent: February 11, 2025Assignee: LG Energy Solution, Ltd.Inventors: Byoung Gu Lee, Do Gyun Kim, Kwang Su Hwangbo, Sang Suk Jung
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Patent number: 12218391Abstract: 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: GrantFiled: July 3, 2020Date of Patent: February 4, 2025Assignee: KOLON INDUSTRIES, INC.Inventors: Jung Hwa Park, Kwang Sei Oh, Dong Hoon Lee, Na Young Kim, Eun Su Lee, Seung Jib Yum
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Publication number: 20240246370Abstract: 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: ApplicationFiled: April 4, 2024Publication date: July 25, 2024Applicant: HANKOOK TIRE & TECHNOLOGY CO., LTD.Inventors: Myong Joong Lee, Kwang Su Lee
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Patent number: 11975571Abstract: 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: GrantFiled: January 12, 2022Date of Patent: May 7, 2024Assignee: Hankook Tire & Technology Co., Ltd.Inventors: Myong Joong Lee, Kwang Su Lee
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Patent number: 11909891Abstract: 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: GrantFiled: September 30, 2022Date of Patent: February 20, 2024Assignees: AGENCY FOR DEFENSE DEVELOPMENT, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jong Hwan Park, Kwang Su Lee, So Hyun Park, Joo Woo, Donghwan Lee, Myung Kil Ahn
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Publication number: 20230034127Abstract: 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: ApplicationFiled: September 30, 2022Publication date: February 2, 2023Inventors: Jong Hwan PARK, Kwang Su LEE, So Hyun PARK, Joo WOO, Donghwan LEE, Myung Kil AHN
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Patent number: 11460725Abstract: 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: GrantFiled: December 3, 2019Date of Patent: October 4, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyu Wook Choi, Kwang-su Lee, Choonggil Lim, Haesung Kim, Jun Ho Jang, Sangkeun Lee
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Publication number: 20220219494Abstract: 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: ApplicationFiled: January 12, 2022Publication date: July 14, 2022Inventors: Myong Joong Lee, Kwang Su Lee
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Publication number: 20200174291Abstract: 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: ApplicationFiled: December 3, 2019Publication date: June 4, 2020Inventors: Kyu Wook CHOI, Kwang-su LEE, Choonggil LIM, Haesung KIM, Jun Ho JANG, Sangkeun LEE
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Patent number: 10452277Abstract: 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: GrantFiled: August 29, 2016Date of Patent: October 22, 2019Assignee: SK hynix Inc.Inventors: Kwang Su Lee, Tae Seung Shin
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Patent number: 10406881Abstract: 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: GrantFiled: February 27, 2018Date of Patent: September 10, 2019Assignee: MANDO CORPORATIONInventor: Kwang Su Lee
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Publication number: 20180244122Abstract: 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: ApplicationFiled: February 27, 2018Publication date: August 30, 2018Inventor: Kwang Su LEE
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Publication number: 20170293435Abstract: 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: ApplicationFiled: August 29, 2016Publication date: October 12, 2017Inventors: Kwang Su LEE, Tae Seung SHIN
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Patent number: 9228632Abstract: 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: GrantFiled: May 13, 2014Date of Patent: January 5, 2016Assignee: MANDO CORPORATIONInventor: Kwang Su Lee
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Publication number: 20140368249Abstract: 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: ApplicationFiled: September 13, 2013Publication date: December 18, 2014Applicant: SK hynix Inc.Inventor: Kwang Su LEE
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Publication number: 20140339033Abstract: 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: ApplicationFiled: May 13, 2014Publication date: November 20, 2014Applicant: MANDO CORPORATIONInventor: KWANG SU LEE
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Patent number: 8585025Abstract: 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: GrantFiled: September 29, 2011Date of Patent: November 19, 2013Assignee: Mando CorporationInventor: Kwang Su Lee
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Patent number: 8402308Abstract: 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: GrantFiled: October 28, 2009Date of Patent: March 19, 2013Assignee: Pusan National University Industry-University Cooperation FoundationInventors: Heung-Seok Chae, Kwang-Su Lee, Hyun-Suk Baek
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Patent number: 8319519Abstract: 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: GrantFiled: December 23, 2010Date of Patent: November 27, 2012Assignee: Hynix Semiconductor Inc.Inventor: Kwang-Su Lee
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Patent number: 8306100Abstract: 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: GrantFiled: July 22, 2008Date of Patent: November 6, 2012Assignee: SK hynix Inc.Inventor: Kwang-Su Lee