Patents by Inventor Hyun-Seok Oh
Hyun-Seok Oh 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: 11960752Abstract: A method of operating a memory system, which includes a memory controller and at least one non-volatile memory, includes storing, in the memory system, temperature-dependent performance level information received from a host disposed external to the memory system, setting an operation performance level of the memory system to a first performance level, operating the memory controller and the at least one non-volatile memory device according to the first performance level, detecting an internal temperature of the memory system, and changing the operation performance level of the memory system to a second performance level that is different from the first performance level. The operation performance level is changed by the memory controller of the memory system, and changing the operation performance level is based on the temperature-dependent performance level information and the detected internal temperature.Type: GrantFiled: June 24, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Seok Kim, Dae-Ho Kim, Yong-Geun Oh, Sung-Jin Moon
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Patent number: 11963467Abstract: An electronic device includes a semiconductor memory. A method for fabricating the electronic device includes forming a first memory cell extending vertically from a surface of substrate and having a first upper portion that protrudes laterally, forming a second memory cell extending vertically from the surface of the substrate and having a second upper portion that protrudes laterally towards the first upper portion, and forming a liner layer over the first and second memory cells, the liner layer having a first portion disposed over the first upper portion and a second portion disposed over the second upper portion, the first and second portions of the liner layer contacting each other.Type: GrantFiled: May 13, 2022Date of Patent: April 16, 2024Assignee: SK hynix Inc.Inventors: Hyo-June Kim, Hyun-Seok Kang, Chi-Ho Kim, Jae-Geun Oh
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Patent number: 11732335Abstract: Disclosed are a BCC dual phase refractory superalloy with high phase stability and a manufacturing method therefor, the alloy comprising one or more of Ti, Zr, and Hf as Group 4 transition metals, one or more of Nb and Ta as Group 5 transition metals, and Al, and having a structure of a BCC phase, wherein the BCC phase is composed of a disordered BCC phase and an ordered BCC phase, and wherein the ordered BCC phase is formed by allowing Al, which is a BCC phase forming element, to be soluted in an area of the BCC phase where the contents of the Group 5 transition metals are more than those of the Group 4 transition metals, so that the present disclosure provides a BCC dual phase refractory superalloy with high phase stability, characterized in that when a BCC dual phase with the ordered BCC phase and the disordered BCC phase separated from each other is formed by aging, the aging condition is precisely cont rolled through the apex temperature (Tc) of the BCC phase miscibility gap, expressed by (Equation 1) beType: GrantFiled: October 13, 2022Date of Patent: August 22, 2023Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Eun Soo Park, Sang Jun Kim, Ji Young Kim, Hyun Seok Oh, Kook Noh Yoon
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Publication number: 20230205273Abstract: A stretchable window includes: a first material extending in a first direction and a second material extending in a second direction that intersects the first direction. The first material and the second material are interwoven, the first material has a first modulus, and the second material has a second modulus. The first modulus has a value in a range of about 0.1 Mpa to about 500 Mpa and the second modulus has a value in a range of about 1 Gpa to about 50 Gpa.Type: ApplicationFiled: August 3, 2022Publication date: June 29, 2023Inventors: Kang Woo LEE, Young Do KIM, Hyun Seok OH, Dong Hyeon LEE
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Publication number: 20230177820Abstract: Disclosed herein are a computing apparatus and method for performing reinforcement learning using a multimodal artificial intelligence agent. The method for performing reinforcement learning using a multimodal artificial intelligence agent includes: dividing frames, included in images acquired by capturing a virtual environment, into a plurality of sections; and performing reinforcement learning by applying any one of a plurality of guidance types to each of the plurality of sections and then allowing a multimodal artificial intelligence agent to interact with the virtual environment through the images. The plurality of guidance types is classified into three or more types according to their guidance level. Performing the reinforcement learning is performing reinforcement learning by applying a moderate-level guidance type to the sections of predetermined critical periods and also applying any one of the plurality of guidance types to the other sections.Type: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Byoung-Tak Zhang, Hyun Seok Oh, Kwanyoung Park, Youngki Lee, Minsu Lee, Min Whoo Lee, Ganghun Lee, Junseok Park
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Publication number: 20230078056Abstract: A display device includes: a display panel; and a cover window on the display panel. The display panel and the cover window include a flat area, and a bendable area adjacent to the flat area. The cover window includes: patterns at the bendable area along a first direction; and dummy patterns at the flat area along the first direction, the dummy patterns including a first dummy pattern, and a second dummy pattern adjacent to the first dummy pattern. A length of the first dummy pattern is different from a length of the second dummy pattern.Type: ApplicationFiled: November 18, 2022Publication date: March 16, 2023Inventors: Kang-Woo LEE, Yougn Do KIM, Hyun Seok OH
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Publication number: 20230058823Abstract: Disclosed are a BCC dual phase refractory superalloy with high phase stability and a manufacturing method therefor, the alloy comprising one or more of Ti, Zr, and Hf as Group 4 transition metals, one or more of Na and Ta as Group 5 transition metals, and Al, and having a structure of a BCC phase, wherein the BCC phase is composed of a disordered BCC phase and an ordered BCC phase, and wherein the ordered BCC phase is formed by allowing Al, which is a BCC phase forming element, to be soluted in an area of the BCC phase where the contents of the Group 5 transition metals are more than those of the Group 4 transition metals, so that the present disclosure provides a BCC dual phase refractory superalloy with high phase stability, characterized in that when a BCC dual phase with the ordered BCC phase and the disordered BCC phase separated from each other is formed by aging, the aging condition is precisely controlled through the apex temperature (Tc) of the BCC phase miscibility gap, expressed by (Equation 1) belType: ApplicationFiled: October 13, 2022Publication date: February 23, 2023Inventors: Eun Soo PARK, Sang Gun KIM, Ji Young KIM, Hyun Seok OH, Kook Noh YOON
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Patent number: 11554426Abstract: A rotary cutting tool that implements a chip space in proportion to a feed-per-tooth is proposed. The rotary cutting tool includes a cutting part in which a plurality of cutting teeth and flutes are alternately formed, wherein a cross-section of the cutting part perpendicular to a central axis is divided into a plurality of cutting tooth spaces defining a section between cutting edges of adjacent cutting teeth on the basis of the central axis, such that all of the cutting tooth spaces are designed in different sizes, or some of the plurality of cutting tooth spaces are set in different sizes from the other cutting tooth spaces.Type: GrantFiled: May 11, 2020Date of Patent: January 17, 2023Assignee: YG-1 Co., Ltd.Inventors: Vladimir Volokh, Young Koon Park, Hyung Suk Kim, Hyun Seok Oh
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Patent number: 11512371Abstract: Disclosed are a BCC dual phase refractory superalloy with high phase stability and a manufacturing method therefor, the alloy comprising one or more of Ti, Zr, and Hf as Group 4 transition metals, one or more of Na and Ta as Group 5 transition metals, and Al, and having a structure of a BCC phase, wherein the BCC phase is composed of a disordered BCC phase and an ordered BCC phase, and wherein the ordered BCC phase is formed by allowing Al, which is a BCC phase forming element, to be soluted in an area of the BCC phase where the contents of the Group 5 transition metals are more than those of the Group 4 transition metals, so that the present disclosure provides a BCC dual phase refractory superalloy with high phase stability, characterized in that when a BCC dual phase with the ordered BCC phase and the disordered BCC phase separated from each other is formed by aging, the aging condition is precisely controlled through the apex temperature (Tc) of the BCC phase miscibility gap, expressed by (Equation 1) belType: GrantFiled: August 18, 2020Date of Patent: November 29, 2022Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Eun Soo Park, Sang Jun Kim, Ji Young Kim, Hyun Seok Oh, Kook Noh Yoon
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Publication number: 20220372496Abstract: The present invention relates to improvement in the prevention and treatment of viral infectious diseases through the structural modification or improvement of a nano-perforator. According to the present invention, a nano-perforator, having modified structure, area, shape and membrane scaffold protein characteristics, has improved thermal stability and has maximized anti-viral activity through an increase in the efficiency of perforation activity, an increase in the stability of nano-perforator and the provision of virus specificity, and thus can be usable as a pharmaceutical composition for preventing or treating viral infectious diseases.Type: ApplicationFiled: September 22, 2020Publication date: November 24, 2022Applicant: MVRIX Co., Ltd.Inventors: Dae-Hyuk KWEON, Younghun JUNG, Seokoh MOON, Hyun Seok OH, Seokhyeon YU, Jaehyeon HWANG
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Patent number: 11508268Abstract: A display device includes: a display panel; and a cover window on the display panel. The display panel and the cover window include a flat area, and a bendable area adjacent to the flat area. The cover window includes: patterns at the bendable area along a first direction; and dummy patterns at the flat area along the first direction, the dummy patterns including a first dummy pattern, and a second dummy pattern adjacent to the first dummy pattern. A length of the first dummy pattern is different from a length of the second dummy pattern.Type: GrantFiled: April 13, 2021Date of Patent: November 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kang-Woo Lee, Yougn Do Kim, Hyun Seok Oh
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Publication number: 20220308266Abstract: A cover window includes a glass including a folding portion and a non-folding portion, and a groove in the folding portion of the glass. The glass which is folded at the folding portion includes an inner surface that is compressed and an outer surface that is stretched, the groove filled with a multi-layered resin layer, a storage modulus of a layer of the multi-layered resin layer which is closest to the inner surface being largest, and elongation of a layer of the multi-layered resin layer which is closest to the outer surface being largest.Type: ApplicationFiled: March 18, 2022Publication date: September 29, 2022Inventors: Sung Hoon KIM, Young Do KIM, Yu Ri KIM, Hyun Seok Oh
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Publication number: 20220200478Abstract: The present disclosure relates to a high voltage inverter system and a method for synchronizing the size and a phase of a high voltage inverter using same, and particularly to a high voltage inverter system which synchronizes the size and a phase of power output from a high voltage inverter with commercial power during a static transfer, and a method for synchronizing the size and a phase of the high voltage inverter using same. The high voltage inverter system according to the present disclosure synchronizes the size and a phase of voltage output from the high voltage inverter with commercial power, and thus may minimize electric shock during a static transfer from high voltage inverter power to commercial power.Type: ApplicationFiled: March 17, 2020Publication date: June 23, 2022Inventor: Hyun-Seok OH
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Publication number: 20220093012Abstract: A display device includes: a display panel; and a cover window on the display panel. The display panel and the cover window include a flat area, and a bendable area adjacent to the flat area. The cover window includes: patterns at the bendable area along a first direction; and dummy patterns at the flat area along the first direction, the dummy patterns including a first dummy pattern, and a second dummy pattern adjacent to the first dummy pattern. A length of the first dummy pattern is different from a length of the second dummy pattern.Type: ApplicationFiled: April 13, 2021Publication date: March 24, 2022Inventors: Kang-Woo LEE, Yougn Do KIM, Hyun Seok OH
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Publication number: 20210331257Abstract: A rotary cutting tool that implements a chip space in proportion to a feed-per-tooth is proposed. The rotary cutting tool includes a cutting part in which a plurality of cutting teeth and flutes are alternately formed, wherein a cross-section of the cutting part perpendicular to a central axis is divided into a plurality of cutting tooth spaces defining a section between cutting edges of adjacent cutting teeth on the basis of the central axis, such that all of the cutting tooth spaces are designed in different sizes, or some of the plurality of cutting tooth spaces are set in different sizes from the other cutting tooth spaces.Type: ApplicationFiled: May 11, 2020Publication date: October 28, 2021Applicant: YG-1 Co., Ltd.Inventors: Vladimir VOLOKH, Young Koon PARK, Hyung Suk KIM, Hyun Seok OH
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Publication number: 20210301375Abstract: Disclosed are a BCC dual phase refractory superalloy with high phase stability and a manufacturing method therefor, the alloy comprising one or more of Ti, Zr, and Hf as Group 4 transition metals, one or more of Na and Ta as Group 5 transition metals, and Al, and having a structure of a BCC phase, wherein the BCC phase is composed of a disordered BCC phase and an ordered BCC phase, and wherein the ordered BCC phase is formed by allowing Al, which is a BCC phase forming element, to be soluted in an area of the BCC phase where the contents of the Group 5 transition metals are more than those of the Group 4 transition metals, so that the present disclosure provides a BCC dual phase refractory superalloy with high phase stability, characterized in that when a BCC dual phase with the ordered BCC phase and the disordered BCC phase separated from each other is formed by aging, the aging condition is precisely controlled through the apex temperature (Tc) of the BCC phase miscibility gap, expressed by (Equation 1) belType: ApplicationFiled: August 18, 2020Publication date: September 30, 2021Inventors: Eun Soo PARK, Sang Jun Kim, Ji Young Kim, Hyun Seok Oh, Kook Noh Yoon
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Patent number: 11111565Abstract: Disclosed is an entropy-controlled solid solution matrix BCC alloy having strong resistance to high-temperature neutron radiation damage. The entropy-controlled solid solution matrix BCC alloy includes three or more multicomponent main elements selected from the element group consisting of Zr, Al, Nb, Mo, Cr, V, and Ti selected based on a neutron absorption cross-sectional area and a mixing enthalpy. Each of the elements is included in an amount of 5 to 35 at %, and the entropy-controlled solid solution matrix BCC alloy is a BCC-structure solid solution matrix alloy in a medium-entropy to high-entropy state. In this invention, damage caused by neutron radiation is reduced, and entropy is controlled to thus ensure a solid solution matrix BCC structure having a slow diffusion speed, and accordingly, resistance to void swelling due to radioactive rays is high.Type: GrantFiled: May 4, 2016Date of Patent: September 7, 2021Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Eun Soo Park, Hyun Seok Oh, Il Hwan Kim, Hye Jung Chang, Sangjun Kim, Chae Woo Ryu
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Patent number: 11115517Abstract: A method of avoiding screen off during an Automatic Response System (ARS) service is provided. The method includes enabling a proximity sensor in a call connection, detecting one of a first gesture and a second gesture during a call, and upon detecting the first gesture, disabling the proximity sensor.Type: GrantFiled: May 28, 2019Date of Patent: September 7, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Bong-No Yoon, Chul-Jin Kim, Hyung-Chul Son, Hyun-Seok Oh, Young-Kwon Cho
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Patent number: 11104976Abstract: A bi-continuous composite of a refractory alloy and copper, and a method for manufacturing the same, are provided. The method for manufacturing a bi-continuous composite of a refractory alloy and copper includes: providing an alloy melt swapping (AMS) precursor; providing a copper melt with a temperature in a range of 1085° C. to 3410° C.; immersing the AMS precursor into the copper melt; and removing the AMS precursor from the copper melt. The AMS precursor includes elements having positive and negative mixing enthalpy with copper, respectively. The AMS precursor into which the copper melt is diffused becomes a bi-continuous composite with a first phase formed from the copper and a second phase formed from the AMS precursor.Type: GrantFiled: February 12, 2018Date of Patent: August 31, 2021Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Kooknoh Yoon, Il-Hwan Kim, Hyun Seok Oh, Sang Jun Kim, Eun Soo Park
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Patent number: 10895005Abstract: There are provided metallic glass matrix composites with controllable work-hardening capacity. In more detail, there are provided metallic glass matrix composite with controllable work-hardening capacity capable of having significantly excellent toughness due to a metastable second phase precipitated in-situ in a metallic glass matrix by polymorphic phase transformation during a solidification process without a separate synthetic process, and capable of controlling work-hardening capacity by measuring physical properties of a second phase and adjusting a volume fraction (Vf) of the second phase due to constant correlation between the physical properties (absorbed energy Eta, a phase transformation temperature TMs, or a hardness H2nd) of a metastable B2 second phase precipated in the metallic glass matrix and the absorbed energy (Epa,V) by work-hardening per unit volume fraction of the second phase in the metallic glass matrix.Type: GrantFiled: August 21, 2018Date of Patent: January 19, 2021Assignee: SEOUL NATIONAL UNIVERSITY R & DB FOUNDATIONInventors: Eun Soo Park, Wookha Ryu, Hyun Seok Oh, Jinwoo Kim, So Yeon Kim