Patents by Inventor In Ho Ahn

In Ho Ahn 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).

  • SELF-DIAGNOSTIC APPARATUS WITH MAGNETIC COUPLING
    Publication number: 20230171335
    Abstract: There is provided a self-diagnostic apparatus of a magnetic coupling type. The self-diagnostic apparatus according to an embodiment includes: a signal detection line which is magnetic-coupled with an RF signal line through a magnetic coupling loop; and a signal detector configured to detect a size and a phase of an RF signal by detecting a current flowing through the signal detection line. Accordingly, the apparatus grasps and diagnoses respective operation states of channels by itself in a beamforming system, without increasing and a size of the system and degrading performance.
    Type: Application
    Filed: July 29, 2022
    Publication date: June 1, 2023
    Applicant: Korea Electronics Technology Institute
    Inventors: Soo Chang CHAE, Ki Jin KIM, Kwang Ho AHN
  • Electrolyte composition for lithium secondary battery and lithium secondary battery including the same
    Patent number: 11658340
    Abstract: The present invention relates to a thermosetting electrolyte composition for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a thermosetting electrolyte composition for a lithium secondary battery, which includes LiPF6 as a first lithium salt, a non-aqueous organic solvent, and a polymer or oligomer containing a unit represented by Formula 1, wherein the polymer or oligomer containing the unit represented by Formula 1 is included in an amount of 0.6 wt % to 15 wt % based on a total weight of the thermosetting electrolyte composition for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: May 23, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jae Won Lee, Kyoung Ho Ahn, Chul Haeng Lee, Jung Hoon Lee, Won Kyung Shin
  • Composition for gel polymer electrolyte, and gel polymer electrolyte and lithium secondary battery including the same
    Patent number: 11658339
    Abstract: The present invention provides a composition for a gel polymer electrolyte, including an oligomer represented by Formula 1; a polymerization initiator; a non-aqueous solvent; and a lithium salt, and a gel polymer electrolyte and a lithium secondary battery including the same.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: May 23, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyoung Ho Ahn, Jung Hoon Lee, Jae Won Lee, Chui Haeng Lee
  • Non-aqueous electrolyte solution and lithium secondary battery including the same
    Patent number: 11658342
    Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, the non-aqueous electrolyte solution includes an ionic solution containing at least one anion selected from the group consisting of a bis(fluorosulfonyl)imide anion and a bis(trifluoromethane)sulfonylimide anion, a cation, a non-aqueous solvent, a lithium salt, a phosphite-based additive, and a surfactant including an oligomer represented by Formula 1.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: May 23, 2023
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee, Jeong Woo Oh
  • Lithium secondary battery and method of preparing the same
    Patent number: 11658301
    Abstract: The present invention relates to a lithium secondary battery including a positive electrode, a negative electrode, a separator, which includes a coating layer including an organic binder and inorganic particles, and a gel polymer electrolyte formed by polymerization of an oligomer, wherein the organic binder and the gel polymer electrolyte are bonded by an epoxy ring-opening reaction, and a method of preparing the same.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 23, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee, Jae Won Lee
  • Lithium secondary battery
    Patent number: 11658299
    Abstract: A lithium secondary battery is disclosed herein. In some embodiments, a lithium battery includes a positive electrode having a lithium-nickel-cobalt-manganese-based electrode active material wherein nickel has a content of 80 mol % or greater, relative to the other transition metals, a negative electrode including a silicon-based negative electrode active material, a separator, and a non-aqueous electrolyte solution including a non-aqueous organic solvent and a lithium salt, the lithium salt being contained in a concentration of 1.8 M to 5 M, and wherein the lithium salt includes LiPF6 and a lithium bis(fluorosulfonyl)imide.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: May 23, 2023
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee, Jeong Woo Oh, Min Jung Kim
  • Mutant microorganism introduced with highly active malate dehydrogenase for producing succinic acid and method of producing succinic acid using the same
    Patent number: 11655462
    Abstract: Disclosed are a mutant microorganism for producing succinic acid exhibiting improved activity of conversion of oxaloacetate to malate through the introduction of genes encoding a malate dehydrogenase, wherein an amino acid residue that interacts with a pyrophosphate moiety of NADH through an amide functional group of a main chain of malate dehydrogenase is glutamine (Gln), and a method of producing succinic acid using the same. The mutant microorganism producing succinic acid according to the present invention is capable of producing a high concentration of succinic acid at the highest productivity compared to other mutant microorganisms reported to date when the microorganism is cultured in a limited medium. In addition, the mutant microorganism is capable of producing succinic acid at higher productivity and product concentration through further advanced fermentation technology.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: May 23, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Yup Lee, Kyung-Jin Kim, Jung Ho Ahn, Hogyun Seo, Jong An Lee
  • Novel Additives for Nonaqueous Electrolyte and Lithium Secondary Battery Containing the Same
    Publication number: 20230155176
    Abstract: An additive for a non-aqueous electrolyte, a non-aqueous electrolyte including the same, and a lithium secondary battery including the same are disclosed herein. The additive includes an ionic compound to form a coating film on an electrode surface, thereby preventing gas generation at high temperature, a cell open-circuit voltage (OCV) drop, and a decrease in capacity retention rate, which are caused by elution of metal ions from an electrode. The additive improves durability, performance, and high temperature safety of the battery.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 18, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: You Kyeong Jeong, Kyoung Ho Ahn, Junhyeok Han, Won-Kyung Shin, Wontae Lee, Su Hyeon Ji, Youngho Oh
  • Lithium Secondary Battery with Improved Safety
    Publication number: 20230155177
    Abstract: A lithium secondary battery is disclosed herein. The secondary battery has improved high temperature safety and may prevent generation of a large amount of gas under a high temperature condition, which prevents an increase in resistance and a decrease in capacity due to the elution of metal ions from an electrode by uniformly forming a coating film on an electrode surface during activation of the battery. A positive electrode active material of the battery includes a high concentration(s) of nickel and/or manganese and a non-aqueous electrolyte including an additive are used, which improves performance and high-temperature safety of the battery.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 18, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Wontae Lee, Kyoung Ho Ahn, Chul Haeng Lee, Junhyeok Han, Won-Kyung Shin, Su Hyeon Ji, Youngho Oh
  • APPARATUS AND METHOD FOR IMPROVING DATA INPUT/OUTPUT PERFORMANCE OF STORAGE
    Publication number: 20230153032
    Abstract: A memory system includes a memory device including at least one storage region; and a controller coupled to the memory device. The controller separates write data input from an external device from metadata associated with data stored in the memory device. Based on an operation state of the at least one storage region, the controller stores the write data into a buffer storing data to be transferred to the at least one storage region in the memory device. The controller stores the metadata into the buffer regardless of the operation state of the at least one storage region. The controller transfers the write data or the metadata stored in the buffer to the memory device for storing the write data or the metadata in the memory device.
    Type: Application
    Filed: May 31, 2022
    Publication date: May 18, 2023
    Inventors: Hee Chan SHIN, Young Ho AHN, Gi Gyun YOO
  • Electrolyte for lithium secondary battery and lithium secondary battery including same
    Patent number: 11646442
    Abstract: The present invention provides an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, the electrolyte including a polymer, and one or more selected from the group consisting of an inorganic solid electrolyte particle and a ferrodielectric, wherein the polymer includes one or more selected from the group consisting of a polymer represented by Formula 1 and a polymer including a repeating unit represented by Formula 2.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 9, 2023
    Inventors: Sol Ji Park, Kyoung Ho Ahn, Chul Haeng Lee, Jun Hyeok Han
  • Digital desk and image control method using same
    Patent number: 11647154
    Abstract: A digital desk includes a transparent display unit provided between a counselor and a customer, and a control unit configured to control an image displayed on the transparent display unit based on information on presence or absence of the counselor.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 9, 2023
    Assignee: Hyosung TNS Inc.
    Inventors: Young Ho Ahn, Yoo Mee Min, Young Jin Yoon, Hyeokjun Yun, Won Seok Lee, Hee-youn Lee, Byung Seok Han
  • DEVICE AND METHOD WITH TRANSFORMER MODEL IMPLEMENTATION
    Publication number: 20230138659
    Abstract: A device and method with transformer model implementation are provided. The electronic device includes a processor configured to perform an inference by implementing a transformer model including a plurality of encoders and a plurality of decoders, and a memory configured to store instructions to be executed by the processor. Each of the encoders and the decoders includes an attention block that determines an attention value. The processor is configured to perform a first sub-softmax tile-wise operation in the attention block, perform a reduction operation to determine an adjustment factor based on a resulting value of the first sub-softmax operation, and perform a second sub-softmax tile-wise operation based on a resulting value of the reduction operation.
    Type: Application
    Filed: August 12, 2022
    Publication date: May 4, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Jung Ho AHN, Sunjung LEE, Hailong LI, Jaewan CHOI
  • DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING SAME
    Publication number: 20230140335
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Application
    Filed: January 1, 2023
    Publication date: May 4, 2023
    Inventors: Sung-Ho AHN, Sung-Gwan WOO, Ki-Ju KWAK
  • STORAGE DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20230134639
    Abstract: A storage device may include a storage comprising a plurality of dies each having a plurality of memory blocks, and configured to provide a default ZNS (Zoned NameSpace) size to a host device; and a controller configured to generate a ZNS by selecting one or more memory blocks corresponding to a required ZNS size from the plurality of dies to allocate the selected memory blocks to the ZNS in response to a ZNS generation request signal which includes the required ZNS size and is provided from the host device.
    Type: Application
    Filed: April 27, 2022
    Publication date: May 4, 2023
    Inventors: Gi Gyun Yoo, Young Ho Ahn
  • LOW-LOSS QUASI-CIRCULATOR
    Publication number: 20230112914
    Abstract: There is provided a quasi-circulator. The quasi-circulator includes: a first coupler having an input end connected to a transmission end; a first amplifier having an input end connected to an output end of the first coupler; a second amplifier having an input end connected to the output end of the first coupler; a second coupler having one end connected to an output end of the first amplifier and an output end of the second amplifier, and the other end connected to an antenna; and a third coupler having one end connected to the output end of the first amplifier and the output end of the second amplifier, and the other end connected to a reception end. Accordingly, a loss occurring at the quasi-circulator is minimized, and eventually, efficiency of an RF FEM employed in an ultrahigh frequency radar system is enhanced.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 13, 2023
    Applicant: Korea Electronics Technology Institute
    Inventors: Ki Jin KIM, Kwang Ho AHN, Soo Chang CHAE
  • ULTRA-SMALL SIZE BROADBAND COUPLER
    Publication number: 20230111667
    Abstract: There is provided an ultra-small size broadband coupler. A Lange coupler according to an embodiment includes: first lines which are formed in a spiral shape, and have a first port and a second port formed at one end thereof and have connection ends formed at the other end thereof; and second lines which are formed in a spiral shape, and have connection ends formed at one end thereof to be connected to the connection ends of the first lines, and have a third port and a fourth port formed at the other end thereof. Accordingly, the Lange coupler maintains broadband characteristics while minimizing its area, so that it is possible to design a small component for mobile communication and to noticeably reduce an insertion loss.
    Type: Application
    Filed: July 29, 2022
    Publication date: April 13, 2023
    Applicant: Korea Electronics Technology Institute
    Inventors: Ki Jin KIM, Kwang Ho AHN, Soo Chang CHAE
  • Freestanding ion gel and method for preparing the same
    Patent number: 11623971
    Abstract: Disclosed is preparation of a freestanding ion gel having high stability and high ionic conductivity based on surface-activity ionic liquids. Further, disclosed is a solid electrolyte using the ion gel. A method for preparing the freestanding ion gel include mixing a surface-activity ionic liquid having an alkyl group having 8 or greater carbon atoms, a crosslinking agent, water and oil with each other to form a bicontinuous microemulsion mixture; ii) adding an initiator to the mixture; and iii) curing the mixture using ultraviolet (UV) or thermal energy to form a freestanding ion gel.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 11, 2023
    Assignees: Research & Business Foundation Sungkyunkwan University, Kunsan National University Industry-University Cooperation Foundation
    Inventors: Gi Ra Yi, Min Jae Lee, Tae Hui Kang, Yeon Ho Ahn, Duk Joon Kim
  • MEMORY SYSTEM AND OPERATING METHOD OF MEMORY SYSTEM
    Publication number: 20230103515
    Abstract: Embodiments of the present disclosure relate to a memory system and an operating method of the memory system. In one aspect, a memory system is provided to comprise a memory device including a plurality of memory dies, each memory die including a plurality of memory blocks for storing data and different groups of memory blocks form one or more super blocks; and a memory controller in communication with the memory device and configured to count the number of super blocks in an erase state included in each memory die to identify a first memory die having the smallest number of super blocks in the erase state and a second memory die having the largest number of super blocks in the erase state, and move data stored in a first super block included in the first memory die to a second super block included in the second memory die.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 6, 2023
    Inventors: Jae Gwang LEE, Hee Chan SHIN, Young Ho AHN, Gi Gyun YOO
  • FATTY LIVER AND LIVER FIBROSIS EVALUATION SYSTEM BASED ON IMPEDANCE
    Publication number: 20230093162
    Abstract: The present invention relates to a fatty liver and liver fibrosis evaluation system based on impedance. The fatty liver and liver fibrosis evaluation system based on impedance provided in one aspect of the present invention uses 3-dimensional liver microtissues so that the fatty liver formation and the stiffness changes resulted from liver fibrosis induced by a test drug can be analyzed with non-invasive and highly reproducible manner.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 23, 2023
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jung-Hwa Oh, Jaehwan Ahn, Seokjoo Yoon, Jun-Ho Ahn, Heeyoung Yang, Hyoung-Yun Han