Patents by Inventor An Cheon

An Cheon 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: 20240160423
    Abstract: Disclosed herein is a program conversion apparatus, which converts a first program to which homomorphic encryption is not applied into a second program to which the homomorphic encryption is applied, including a memory, which stores a first library for configuring the first program and a second library for configuring the second program, and a processor configured to convert the first program into the second program through conversion between operations provided by the first and second libraries.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 16, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seong Cheon PARK, Hyun Woo KIM, Su Yeon JANG
  • Publication number: 20240161654
    Abstract: A renal surgery training system includes: an internal calyx fluid simulation device including a supply hose configured to supply fluid, a simulator connected to the supply hose and through which the fluid supplied by the supply hose flows, a fluid receiver connected to the simulator such that the fluid flows and in which the fluid moved from the simulator is received, and an outlet hose configured to discharge the fluid stored in the fluid receiver, the internal calyx fluid simulation device configured to simulate a flow of fluid in a kidney; and a translation device disposed below the internal calyx fluid simulation device and configured to perform a translational movement to translate the internal calyx fluid simulation device, the renal surgery training system configured to provide training on removing an object swimming inside the kidney by a flow of fluid in the kidney by using training equipment.
    Type: Application
    Filed: September 7, 2022
    Publication date: May 16, 2024
    Applicant: ROEN SURGICAL, INC.
    Inventors: Byung Sik CHEON, Chang Kyun KIM, Dong Soo KWON
  • Publication number: 20240161239
    Abstract: In a method for designing a binary phase filter to expand depth of field and for reconstructing images performed by an electronic device according to an embodiment of the present disclosure, the method includes: obtaining images for each depth for a test image based on a binary phase structure set in the binary phase filter; obtaining reconstructed images for each depth by reconstructing the images for each depth based on a model trained to reconstruct an input image; calculating a loss value of the reconstructed images for each depth by comparing the reconstructed images for each depth with the test image; and updating the binary phase structure until the loss value becomes less than or equal to a predefined value.
    Type: Application
    Filed: October 20, 2023
    Publication date: May 16, 2024
    Inventors: Chulmin Joo, Baek Cheon Seong
  • Publication number: 20240157025
    Abstract: Disclosed herein are a biodegradable polymer microparticle for a filler, a freeze-dried body including the same, a manufacturing method thereof, and filler injection including the freeze-dried body. The freeze-dried body includes hydrophilic surface-treated biodegradable polymer microparticle and a biocompatible carrier, wherein the hydrophilic surface-treated biodegradable polymer microparticle has an average particle diameter (D50) of 20 to 50 ?m and is polydioxanone which has a carboxyl group on the surface thereof. The hydrophilic surface-treated biodegradable polymer microparticle is a plasma surface-treated product or a base surface-treated product using discharge of the biodegradable polymer microparticle. The content of the biocompatible carrier is 1 to 5 parts by weight based on 100 parts by weight of the freeze-dried body.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 16, 2024
    Applicant: ULTRA V CO., LTD.
    Inventors: Cheong Cheon LEE, Lia PRISCILLA, Min Seok KWAK, Jung Woo HAN, Jung Ryul HAM, Han Jin KWON
  • Patent number: 11980296
    Abstract: Disclosed is a frame assembly for a folding type chair that are folded or unfolded once by coupling a plurality of upper and lower supports configuring a main frame of a chair to be operatively associated.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: May 14, 2024
    Assignee: ING LEISURE CO., LTD.
    Inventor: Cheon Ki Kim
  • Patent number: 11984159
    Abstract: A nonvolatile memory apparatus may include a memory cell, a bit line control circuit, and a word line control circuit. The memory cell may be coupled between a global bit line and a global word line. During a read operation, the bit line control circuit may provide a first high voltage to the global bit line and provide a second high voltage to the global bit line when snapback of the memory cell occurs. During the read operation, the word line control circuit may provide a second read supply voltage to the global word line and provide an anneal supply voltage to the global word line when snapback of the memory cell occurs.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SK hynix inc.
    Inventors: Moo Hui Park, Seok Joon Kang, Jun Ho Cheon
  • Patent number: 11984233
    Abstract: A method for decommissioning a heavy water reactor facility includes: removing the plurality of guide tubes from a plurality of through-holes; installing a plurality of shielding stoppers in the plurality of through-holes; removing the shielding stopper installed in one through-hole of the plurality of through-holes, and inserting a cutting device into a lower portion of the reactivity mechanism deck through the one through-hole to cut a connection portion between the reactivity mechanism deck and the calandria vault by using the cutting device; and separating the reactivity mechanism deck from the calandria vault.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: May 14, 2024
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD.
    Inventors: Seok-Ju Hwang, Young Hwan Hwang, Hang-Rae Cho, Cheon-Woo Kim
  • Patent number: 11984054
    Abstract: In an embodiment according to the present disclosure, disclosed is an electronic device including a display, a first housing, a second housing at least partially overlapping and being movable with respect to the first housing, a first conductive region formed or disposed inside the first housing, and a second conductive region formed or disposed inside the second housing so as to at least partially overlap with the first conductive region when the first housing is moved with respect to the first housing, a display in which at least the first region is exposed to the outside of an electronic device through a front surface of the electronic device, and at least one processor in which, when the electronic device is switched from the first state to the second state, a second region extending from the first region of the display is withdrawn from the inside of the first housing and exposed to the outside of the electronic device along with the first region and, when the electronic device is switched from the secon
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eunseok Hong, Seyoon Cheon, Chulwoo Park
  • Publication number: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Publication number: 20240152904
    Abstract: The present invention relates to a cold wallet apparatus. The cold wallet apparatus includes a homomorphic encryption generation module configured to generate homomorphic encryption using personally identifiable sensitive information; a first authentication code extraction module configured to extract an authentication code from the homomorphic encryption; a second authentication code extraction module configured to extract an authentication code from physical unclonable function (PUF) information of the cold wallet apparatus; a private key generation module configured to combine the authentication code extracted from the homomorphic encryption and the authentication code extracted from the PUF information to generate a private key; and a transaction signature module configured to perform a transaction signature using a wallet account and a wallet address generated based on the private key.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 9, 2024
    Inventors: Seong Cheon PARK, Hyeok Jin LIM
  • Publication number: 20240155952
    Abstract: Embodiments of present invention provide a method of forming a resistive random-access memory (RRAM). The method includes forming a dielectric layer on top of a supporting structure, wherein the dielectric layer has a bottom electrode embedded therein; forming an oxide layer on top of the bottom electrode; treating the oxide layer in a plasma environment; forming a top electrode on top of the oxide layer; forming a first interlevel-dielectric (ILD) layer on top of the top electrode; forming a via contact and a first metal layer in the first ILD layer, wherein the first metal layer is in contact with the top electrode through the via contact; forming a capping layer on top of the first metal layer through a plasma-enhanced deposition process; and causing formation of one or more filaments in the oxide layer during the plasma-enhanced deposition process. A structure of the RRAM is also provided.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 9, 2024
    Inventors: Takashi Ando, Soon-Cheon Seo, Youngseok Kim, HIROYUKI MIYAZOE
  • Publication number: 20240155953
    Abstract: A semiconductor device may include a first pattern including any one of a selector layer or a variable resistance layer and a middle electrode layer disposed over any one of the selector layer or the variable resistance layer; and a second pattern disposed over the first pattern and including the other one of the selector layer or the variable resistance layer, wherein a width of the second pattern may be the same as or greater than a width of the first pattern.
    Type: Application
    Filed: June 8, 2023
    Publication date: May 9, 2024
    Inventors: Cha Deok DONG, Guk Cheon KIM, Bo Kyung JUNG, Keo Rock CHOI, Kenichi YOSHINO, Kazuya SAWADA, Naoki AKIYAMA, Takuya SHIMANO
  • Publication number: 20240155830
    Abstract: A semiconductor device includes a substrate including first and second region, a bit line structure on the first region, key structures on the second region, each key structure having an upper surface substantially coplanar with an upper surface of the bit line structure, a first trench disposed between two adjacent key structures spaced apart from each other in a first direction, a filling pattern in a lower portion of the first trench, the filling pattern having a flat upper surface and including a first conductive material, and a first conductive structure on the flat upper surface of the filling pattern, an upper sidewall of the first trench, and the upper surface of each of the plurality of key structures, the first conductive structure including a second conductive material.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Inventors: Yanghee Lee, Jonghyuk Park, Ilyoung Yoon, Boun Yoon, Heesook Cheon
  • Publication number: 20240154329
    Abstract: An electronic device includes a housing and a connector disposed in the housing. The connector includes a case forming an outer surface of the connector and having an opening formed in at least a portion of the outer surface and a printed circuit board disposed in the case and including a first layer where a plurality of first pins are disposed, a second layer where a plurality of second pins are disposed, and a ground layer disposed between the first layer and the second layer and disposed to maintain a substantially constant distance from the first layer and the second layer. The plurality of first pins includes at least one first ground pin. The plurality of second pins includes at least one second ground pin. The first ground pin and the second ground pin are configured to be connected through at least one via.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Inventors: Jongwan SHIM, Bumhee BAE, Jeongnam CHEON, Junhwa CHOI
  • Patent number: 11975308
    Abstract: The present disclosure relates to a dehydration catalyst, a method for preparing the same, and a method for preparing an alkene using the same. More particularly, the present invention relates to a dehydration catalyst that is mixed-phase alumina including 1 to 18% by weight of alpha-alumina, 65 to 95% by weight of theta-alumina, and 4 to 34% by weight of delta-alumina, a method for preparing the dehydration catalyst, and a method for preparing an alkene using the dehydration catalyst.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyeon Bin Kim, Joo Young Cheon, Young Sub Keum, Dae Heung Choi
  • Patent number: 11975684
    Abstract: A system for managing a seat occupancy status by a passenger and a control method of the system includes a seat belt sensor provided for each seat to detect a fastening or unfastening of the seat belt, a pressure detection unit provided for each seat to detect occupancy or non-occupancy of a seat by a passenger and pressure of the seated passenger, a secondary control unit provided for each seat and woken up by radio communication with a vehicle to alert to an unfastened state of the seat belt when the seat belt is unfastened upon determining, by a seat belt sensor, whether the seat belt is fastened, and a primary control unit provided in the vehicle to perform radio communications with each secondary control unit and check an abnormality based on reception or non-reception of the system data transmitted from the secondary control unit.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: May 7, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SAMSONG INDUSTRIES, LTD.
    Inventors: Chang Kyu Bok, Dong Ryul Shin, Su Cheon Kim, Yong Chan Yoon, Man Seok Kim
  • Patent number: 11975559
    Abstract: The tray storage for easy storing and reading of documents according to the present invention comprises a storage box provided with an inner space of a rectangular prism having a closure on the top; and a tray slidingly received in the inner space of the storage box, wherein the tray comprises a plate-shaped tray body part slidingly assembled to the storage box while being arranged in parallel with the inner wall of the storage box; a knob part arranged in the center of the top edge of the tray body part, extending integrally from the tray body part, and being foldable along the top edge of the tray body part with respect to the tray body part; a bottom part of the cantilever type perpendicularly extending from the tray body part along the bottom edge of the tray body part; and a separation preventing barrier of the cantilever type being folded upward from the bottom part to be parallel with the tray body part.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: May 7, 2024
    Assignee: INFOCREATIVE CO., LTD.
    Inventor: Do Cheon Jeong
  • Publication number: 20240147619
    Abstract: A substrate structure is provided. The substrate structure includes a first substrate, a plurality of first elastomer pins arranged on the first substrate, an elastic body disposed on the first substrate to surround the plurality of first elastomer pins, the elastic body including a plurality of spaces for receiving a plurality of solder balls on a second substrate connected to the first substrate, and a plurality of solder ball holders arranged on a boundary area of an opening of each of the plurality of spaces, wherein each of the plurality of solder ball holders has strength higher than that of the elastic body, and wherein each of the plurality of solder ball holders includes a plurality of pieces.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Jongwan SHIM, Bumhee BAE, Younho KIM, Jeongnam CHEON
  • Publication number: 20240143876
    Abstract: A simulation method and a simulation device are disclosed. A simulation method according to the inventive concept is provided. A simulation method of the inventive concept may include obtaining an initial state variable and an initial reward variable detected from the semiconductor device, training an agent to output a first action variable of a reinforcement learning model based on the initial state variable and the initial reward variable; and generating a first state variable of the reinforcement learning model and generating a first reward variable, based on the first action variable, wherein the first reward variable includes a skew reward variable for rewarding a skew occurring in the semiconductor device and a duty reward variable for rewarding a duty error rate of an output signal output from the semiconductor device.
    Type: Application
    Filed: September 7, 2023
    Publication date: May 2, 2024
    Inventors: Jichull Jeong, Taehyun Kim, Hyunjoong Kim, Euihyun Cheon
  • Patent number: D1026647
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: May 14, 2024
    Assignee: Binggrae Co., Ltd.
    Inventor: Ye Hee Cheon