Patents by Inventor Jae-Young Ahn

Jae-Young 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).

  • Publication number: 20220293482
    Abstract: A semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a stackable semiconductor device with small size and fine pitch and a method of manufacturing thereof.
    Type: Application
    Filed: December 20, 2021
    Publication date: September 15, 2022
    Inventors: Jin Young Khim, Ji Young Chung, Ju Hoon Yoon, Kwang Woong Ahn, Ho Jeong Lim, Tae Yong Lee, Jae Min Bae
  • Patent number: 11437013
    Abstract: The present invention relates to an ultra-thin acoustic lens for subwavelength focusing in a megasonic range and a design method thereof. More particularly, the present invention relates to a super-oscillatory planar ultra-thin acoustic lens for subwavelength focusing in the megasonic range, which includes a plurality of concentric regions arranged in a concentric shape with reference to the center point, wherein the concentric regions include a plurality acoustic insulation region for insulating incident acoustic waves, and a plurality of transmission regions for transmitting acoustic waves, the acoustic insulation regions and the transmission regions being formed alternatively in a radial direction from the center point so as to focus incident acoustic wave energy onto a subwavelength region.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: September 6, 2022
    Assignee: Korea Research Institute of Standard and Science
    Inventors: Jae-yub Hyun, Yong-tae Kim, Il Doh, Bong-young Ahn, Kyung-min Baik, Se-hwa Kim
  • Patent number: 11407763
    Abstract: The present invention relates to a novel tryptophan hydroxylase inhibitor and a pharmaceutical composition including same, wherein the novel tryptophan hydroxylase inhibitor has an excellent inhibitory effect on TPH1, and thus can be usefully used for the prevention or treatment of disorders, such as metabolic disorders, cancer, digestive or cardiovascular system disorders, related to TPH1 activity. In particular, the novel tryptophan hydroxylase inhibitor has an excellent treatment effect on inflammatory bowel disorders, and thus can be usefully used for the treatment of inflammatory bowel disorder.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: August 9, 2022
    Assignees: Gwangju Institute of Science and Technolgy, Korea Advanced Institute of Science and Technology, KyungPook National University Industry-Academic Cooperation Foundation, Curacle Co., LTD.
    Inventors: Jin Hee Ahn, Hail Kim, Jaemyoung Suh, In-Kyu Lee, Kwang-eun Kim, Kun-Young Park, Eun Jung Bae, Ko Eun Shong, Suvarna Haus-habhau Pagire, Ajin Lim, Jae-Han Jeon, Haushabhau Shivaji Pagire, Haiying Zhang, Myung-Hwa Kim, Jung-In Pyo
  • Publication number: 20220231304
    Abstract: Provided a gas diffusion layer for fuel cells, the gas diffusion layer including: a carbon substrate; and a microporous layer formed on the carbon substrate, wherein the microporous layer comprises first carbon particles having a partially graphitized structure and a water-repellent binder resin binding the first carbon particles, and the microporous layer further comprises a cerium compound, a nitrogen-doped cerium compound, nitrogen-doped second carbon particles having a partially graphitized or non-graphitized structure, or a mixture of two or more, as a radical scavenger capable of removing hydrogen peroxide generated at a fuel cell open circuit potential or a higher potential.
    Type: Application
    Filed: December 29, 2021
    Publication date: July 21, 2022
    Inventors: Eun Sook Lee, Jy Young Jyoung, Na Hee Kang, Eun Chong Kim, Jong Sik Ryu, Ki Cheol Ahn, Jae Young Choi
  • Patent number: 11389285
    Abstract: The present invention relates to a bellows framework having a concave-convex structure on at least one of outer and inner sides using three-dimensional printing technology and a method of producing thereof, and an artificial tracheal replacement comprising an epithelium part formed on the inner side of the bellows framework and an annular cartilage part formed along the circumference of concave-convex grooves on the outer side and a method of producing thereof.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: July 19, 2022
    Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY—ACADEMIC COOPERATION FOUNDATION, GACHON UNIVERSITY OF INDUSTRY—ACADEMIC COOPERATION FOUNDATION
    Inventors: Jeong Hun Park, Dong-Woo Cho, Jung-Seob Lee, Ju Young Park, Min Jun Ahn, Inn Chul Nam, Sung Won Kim, Jae Yeon Lee, Jin Woo Lee, Sun Hwa Park, Byeong Gon Yun
  • Publication number: 20220218715
    Abstract: The present invention relates to a pharmaceutical composition for the prevention or treatment of cancer, comprising an anticancer drug and a pyrrolo-pyridine derivative as an active ingredient. A compound represented by Chemical Formula I according to the present invention, an isomer thereof, or a pharmaceutically acceptable salt thereof has excellent inhibitory activity against protein kinases, and thus, when used in combination with other anticancer drugs, can be effectively used in the prevention, treatment or amelioration of cancer.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 14, 2022
    Inventors: Jae Young AHN, Hwan KIM, Dong Hyuk SEO, Ji Eun CHOI, Hye Min HWANG, Hyun Kyung KIM, Sung Hwan KIM, Dae Kwon KIM
  • Publication number: 20220200832
    Abstract: A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and receiving, from the base station, the ACK/NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 23, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Taegyun NOH, Jae Young AHN
  • Publication number: 20220183016
    Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.
    Type: Application
    Filed: February 27, 2022
    Publication date: June 9, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young-Jo KO, Tae-Gyun NOH, Hee-Soo LEE, Bang-Won SEO, Jae-Young AHN
  • Patent number: 11296913
    Abstract: A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and receiving, from the base station, the ACK/NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: April 5, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Taegyun Noh, Jae Young Ahn
  • Patent number: 11284406
    Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 22, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young-Jo Ko, Tae-Gyun Noh, Hee-Soo Lee, Bang-Won Seo, Jae-Young Ahn
  • Publication number: 20220068968
    Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventors: Ji Hoon CHOI, Sung Gil KIM, Seulye KIM, Jung Ho KIM, Hong Suk KIM, Phil Ouk NAM, Jae Young AHN, Han Jin LIM
  • Patent number: 11224036
    Abstract: The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: January 11, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bang-Won Seo, Young-Jo Ko, Tae-Gyun Noh, Jae-Young Ahn
  • Publication number: 20210407145
    Abstract: Provided is a method of compressing an occupancy map of a three-dimensional (3D) point cloud, and more specifically, a method of compressing an occupancy map of a point cloud in which an occupancy map image of a point cloud existing in a 3D space is compressed based on a compression quality or a patch-by-patch inspection method of the occupancy map image so that compression distortion is minimized when reconstructing the compressed occupancy map image so as to remarkably improve the quality of a reconstructed occupancy map image.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 30, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Eun Young CHANG, Euee Seon JANG, Tian Yu DONG, Ji Hun CHA, Kyu Tae KIM, Jae Young AHN
  • Patent number: 11189636
    Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hoon Choi, Sung Gil Kim, Seulye Kim, Jung Ho Kim, Hong Suk Kim, Phil Ouk Nam, Jae Young Ahn, Han Jin Lim
  • Publication number: 20210360596
    Abstract: The MAC frame in a wireless communication system includes a terminal ID allocated to each of multiple terminals. At least one connection ID is allocated to each terminal having the terminal ID, and sub-carrier allocation information is allocated to each connection having the connection ID. The sub-carrier allocation information includes a sub-carrier allocation status for each sub-carrier, and the number of allocated information bits for each sub-carrier. The sub-carrier allocation status and the number of allocated information bits for each sub-carrier can be allocated, by sub-carriers, to the sub-carrier allocation information using a same number of bits; or the information on the sub-carrier allocation status is first allocated to the sub-carrier allocation information and the number of allocated information bits for each sub-carrier is allocated.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 18, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyoung-Soo LIM, Woo-Yong CHOI, Yong-Sun KIM, Jae-Young AHN
  • Publication number: 20210306989
    Abstract: The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Bang-Won Seo, Young-Jo Ko, Tae-Gyun Noh, Jae-Young Ahn
  • Patent number: 11125886
    Abstract: The present invention provides a method of performing a position measurement on the basis of a signal from a global navigation satellite system (GNSS). The method includes: receiving initial position information; estimating an initial value of a multipath error through a measurement of the GNSS signal on the basis of the received initial position information; estimating a multipath error from the initial value of the multipath error on the basis of a change in the measurement; removing the estimated multipath error from the measurement of the GNSS signal; and performing the position measurement on the basis of the GNSS measurement from which the multipath error is removed.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 21, 2021
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yoo La Hwang, Jae Young Ahn, Byoung Sun Lee, Ji Hun Cha, Byung Woon Park, Yong Jun Lee, Cheol Soon Lim
  • Publication number: 20210282129
    Abstract: A dynamic channel assignment method includes receiving, at a ground control station (GCS), assignment of a first communication channel set from a spectrum authority before takeoff of the unmanned aircraft; receiving, at the GCS, assignment of a second communication channel set when the unmanned aircraft is to move from a first area using the first communication channel set to a second area using the second communication channel set due to a flight plan of the unmanned aircraft after takeoff of the unmanned aircraft; and after the unmanned aircraft enters the second area, maintaining, at the GCS, the first communication channel set when the unmanned aircraft reenters the first area due to the flight plan, and returning, at the GCS, the first communication channel set to the spectrum authority when the unmanned aircraft does not reenter the first area due to the flight plan.
    Type: Application
    Filed: May 20, 2021
    Publication date: September 9, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hee Wook KIM, Jae Young AHN
  • Patent number: RE48881
    Abstract: Provided are an uplink transmission method and downlink transmission method in a mobile communication network including a relay. In the uplink and downlink transmission methods, frame structures and transmission timings of a backhaul downlink and a backhaul uplink are determined in consideration of at least one of a time for the relay to switch between transmission and reception and a signal transmission time. Accordingly, in a wireless communication system including a relay, it is possible to effectively perform data transmission and reception between the relay and a base station.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: January 4, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Gyun Noh, Jae Young Ahn, Hee Soo Lee, Kyoung Seok Lee
  • Patent number: RE49078
    Abstract: Provided is a method and apparatus that may control a configuration and operation of a network including a base station to support a multicast and broadcast multimedia service in a cellular system and may control an operation of a terminal and the like, and thus, may effectively provide a multimedia service in the cellular system.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: May 17, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae Heung Kim, Kyoung Seok Lee, Kook Jin Lee, Jae Young Ahn, Yeong Jin Kim