Patents by Inventor Myung Seok Lee
Myung Seok 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: 11987861Abstract: A method according to an embodiment is for recovering a valuable metal from a waste electrode material of a lithium secondary battery by using lithium carbonate. An anode-cathode mixed electrode material that has been separated by draining, crushing, screening, and sorting a waste lithium secondary battery is preprocessed. A precipitation operation performed by adding lithium carbonate (Li2CO3) to a metal melt acquired by performing sulfuric acid dissolution using sulfuric acid. A valuable metal such as nickel, cobalt, manganese, aluminum, and copper is recovered as a residue in the form of a carbonate composite, and a lithium sulfate (Li2SO4) aqueous solution including lithium is recovered as a filtrate.Type: GrantFiled: May 21, 2021Date of Patent: May 21, 2024Assignee: ECOPRO INNOVATION CO., LTD.Inventors: Suk Joon Park, Myung Gyu Lee, Jeong Sik Hong, So Yeong Byun, Gwang Seok Lee, Jong Sun Park, Beom Seok Seo, Min Woo Lee, Da Mo A Kim, Hui Sang Kim, A Ram Park
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Publication number: 20240154110Abstract: Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.Type: ApplicationFiled: August 28, 2023Publication date: May 9, 2024Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
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Publication number: 20240155844Abstract: A semiconductor memory device includes a mold structure including gate electrodes stacked on a first substrate, a channel structure that penetrates a first region of the mold structure to cross the gate electrodes, a first through structure that penetrates a second region of the mold structure, and a second through structure that penetrates a third region of the mold structure. The mold structure further includes memory cell blocks extending in a first direction and spaced apart in a second direction, and a dummy block extending in the first direction and disposed between the memory cell blocks. Each of the memory cell blocks and the dummy block includes a cell region and an extension region arranged in the first direction. The first region is the cell region of one of the memory cell blocks, the second region is the extension region of the one of the memory cell blocks, and the third region is the extension region of the dummy block.Type: ApplicationFiled: January 17, 2024Publication date: May 9, 2024Inventors: Myung Hun Lee, Dong Ha Shin, Pan Suk Kwak, Dae Seok Byeon
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Patent number: 11978901Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.Type: GrantFiled: June 20, 2023Date of Patent: May 7, 2024Assignee: SK ON CO., LTD.Inventors: Yong Seok Lee, Jae Ram Kim, Ji Won Na, Sang Won Bae, Yeon Hwa Song, Ki Joo Eom, Myung Ro Lee, Jae Yeong Lee, Hyun Joong Jang
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Publication number: 20240145265Abstract: Proposed are a process fluid treatment apparatus capable of decomposing ozone in a process fluid more effectively, and a wafer cleaning apparatus and semiconductor manufacturing equipment including the same. The process fluid treatment apparatus treats the process fluid used for cleaning a wafer in the semiconductor manufacturing equipment, and includes a housing having an inner space configured to contain the process fluid, a spray nozzle configured to spray the process fluid containing ozone into the inner space in the form of mist, and a nozzle heater configured to heat the process fluid passing through the spray nozzle.Type: ApplicationFiled: April 29, 2023Publication date: May 2, 2024Applicant: SEMES CO., LTD.Inventors: Young Seop CHOI, Myung A JEON, Dong Uk LEE, Boo Seok YANG, Bok Kyu LEE
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Patent number: 11950425Abstract: A mold structure includes gate electrodes stacked on a first substrate, a channel structure penetrating a first region of the mold structure to cross the gate electrodes, a first through structure penetrating a second region of the mold structure, and a second through structure penetrating a third region of the mold structure. The mold structure includes memory cell blocks extending in a first direction and spaced apart in a second direction, and a dummy block extending in the first direction and disposed between the memory cell blocks. Each of the memory cell and dummy blocks includes a cell region and an extension region arranged in the first direction. The first region is the cell region of one of the memory cell blocks, the second region is the extension region of the one of the memory cell blocks, and the third region is the extension region of the dummy block.Type: GrantFiled: May 6, 2021Date of Patent: April 2, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Myung Hun Lee, Dong Ha Shin, Pan Suk Kwak, Dae Seok Byeon
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Publication number: 20240097125Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.Type: ApplicationFiled: July 11, 2023Publication date: March 21, 2024Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
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Publication number: 20240079568Abstract: A lithium secondary battery includes a cathode, a separator, and an anode including an anode current collector and an anode active material layer formed on the anode current collector and facing the cathode with the separator interposed therebetween. The anode active material layer includes a first anode active material layer formed on the anode current collector and including a first anode active material and a first anode binder containing a styrene-butadiene-based rubber (SBR) binder and a second anode active material layer formed on the first anode active material layer and including a second anode active material and a second anode binder containing a acryl-based binder. Each of the first anode active material and the second anode active material includes a silicon-based active material and a graphite-based material and contains 2 to 9.5 parts by weight of silicon with respect to the 100 part by weight of the graphite-based active material.Type: ApplicationFiled: October 25, 2023Publication date: March 7, 2024Inventors: Yong Seok LEE, Jung Hwan KIM, Myung Ro LEE, Sang Won BAE, Ji Hee BAE
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Patent number: 11922059Abstract: A method of distributedly storing data in a system comprising a plurality of edge nodes communicatively coupled to an end device and a central cloud. The method includes: receiving, by a first edge node, data transmitted by the end device; assigning, by the first edge node, a data tag to received data according to attributes of the received data and duplicating the received data to generate a tagged data copy; and transmitting, by the first edge node, the tagged data copy to at least one second edge node determined by a data distribution policy determined by the central cloud directly or through the central cloud, so that the at least one second edge node store the tagged data copy in a storage.Type: GrantFiled: November 25, 2020Date of Patent: March 5, 2024Assignee: Penta Security Systems Inc.Inventors: Myung Woo Chung, Chel Park, Sang Gyoo Sim, Eui Seok Kim, Duk Soo Kim, Seok Woo Lee
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Patent number: 10682896Abstract: A method and system of controlling an engine for vehicle interior heating is provided. The method includes performing a first engine control when the engine is not in an engine-on state for vehicle driving, to perform heating control for interior heating at a predetermined range of a reference coolant temperature. Additionally, the method includes performing a second engine control when the engine is in an engine-on state for vehicle driving, to prolong an engine-on time for vehicle driving by setting a minimum value of the range of the reference coolant temperature to a lower value and setting a maximum value of the range of the reference coolant temperature to a higher value and to determine a point of time of engine-off operation based on a real-time lock up time and an average lock up time of an engine clutch for vehicle driving.Type: GrantFiled: November 30, 2016Date of Patent: June 16, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Myung Seok Lee, Jea Mun Lee, Jung Soo Park, Hong Kee Sim
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Patent number: 10195961Abstract: The present disclosure provides an apparatus and a method for controlling an engine of a hybrid vehicle.Type: GrantFiled: July 19, 2017Date of Patent: February 5, 2019Assignees: Hyundai Motor Company, KIA Motors CorporationInventors: Jung Soo Park, Myung Seok Lee, Hong Kee Sim
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Publication number: 20180162235Abstract: The present disclosure provides an apparatus and a method for controlling an engine of a hybrid vehicle.Type: ApplicationFiled: July 19, 2017Publication date: June 14, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Soo PARK, Myung Seok LEE, Hong Kee SIM
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Publication number: 20170341487Abstract: A method and system of controlling an engine for vehicle interior heating is provided. The method includes performing a first engine control when the engine is not in an engine-on state for vehicle driving, to perform heating control for interior heating at a predetermined range of a reference coolant temperature. Additionally, the method includes performing a second engine control when the engine is in an engine-on state for vehicle driving, to prolong an engine-on time for vehicle driving by setting a minimum value of the range of the reference coolant temperature to a lower value and setting a maximum value of the range of the reference coolant temperature to a higher value and to determine a point of time of engine-off operation based on a real-time lock up time and an average lock up time of an engine clutch for vehicle driving.Type: ApplicationFiled: November 30, 2016Publication date: November 30, 2017Inventors: Myung Seok Lee, Jea Mun Lee, Jung Soo Park, Hong Kee Sim
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Patent number: 9751941Abstract: A multi-transmembrane protein antigen includes a polypeptide corresponding to an extracellular loop of the multi-transmembrane protein, the N-terminal and C-terminal of the polypeptide being fixed on a solid substrate or the N-terminal and C-terminal being attached to both ends of a linker to form a cyclic structure, an antibody specifically binding to the antigen or an antigen-binding fragment thereof, and a method for screening an antibody specifically binding to the antigen. The present invention may be usefully employed for effective production of antibodies for multi-transmembrane proteins that play important roles in disease-related phenomena such as cell signaling.Type: GrantFiled: March 14, 2013Date of Patent: September 5, 2017Assignee: Abion Inc.Inventors: Young Kee Shin, Young-Deug Kim, Jun Young Choi, Myung Seok Lee
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Publication number: 20140274755Abstract: A multi-transmembrane protein antigen includes a polypeptide corresponding to an extracellular loop of the multi-transmembrane protein, the N-terminal and C-terminal of the polypeptide being fixed on a solid substrate or the N-terminal and C-terminal being attached to both ends of a linker to form a cyclic structure, an antibody specifically binding to the antigen or an antigen-binding fragment thereof, and a method for screening an antibody specifically binding to the antigen. The present invention may be usefully employed for effective production of antibodies for multi-transmembrane proteins that play important roles in disease-related phenomena such as cell signaling.Type: ApplicationFiled: March 14, 2013Publication date: September 18, 2014Applicant: REFERENCE BIOLABS INC.Inventors: Young Kee SHIN, Young-Deug KIM, Jun Young CHOI, Myung Seok LEE
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Patent number: 8324767Abstract: A spindle motor structure is disclosed having a structure incorporating a spindle motor, a driving substrate, and a base on which the spindle motor and the driving substrate are installed. The spindle motor includes a stator having a core wound with a coil and a rotor rotating about the stator. The driving substrate is aligned at an outer periphery of the rotor and soldered with driving control parts of the spindle motor including a plurality of circuit parts including a driving integrated circuit and the like. The spindle motor is assembled with or dissembled from the base independently from the driving substrate.Type: GrantFiled: December 17, 2009Date of Patent: December 4, 2012Assignee: LG Innotek Co., Ltd.Inventor: Myung Seok Lee
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Publication number: 20100148639Abstract: A spindle motor structure is disclosed wherein the spindle motor structure comprises a spindle motor including a stator having a core wound with a coil and a rotor rotating about the stator; and a driving substrate aligned at an outer periphery of the rotor and soldered with driving control parts of the spindle motor including a plurality of circuit parts including a driving integrated circuit and the like; and a base on which the spindle motor and the driving substrate are installed, wherein the spindle motor is assembled with or dissembled from the base independently from the driving substrate.Type: ApplicationFiled: December 17, 2009Publication date: June 17, 2010Inventor: Myung Seok Lee