Patents by Inventor Jisu Ryu

Jisu Ryu 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: 20260147419
    Abstract: A wearable electronic device may include: a camera including a first camera and a second camera; a display; at least one processor comprising processing circuitry; and a memory for storing instructions. When executed by the at least one processor, the instructions can cause the wearable electronic device to: acquire the location of the hand of a user based on at least one first image acquired through the first camera; acquire the gaze point of the user based on at least one second image acquired through the second camera; identify whether the location of the hand corresponds to the gaze point; acquire, based on the location of the hand corresponding to the gaze point, a skeleton including key points related to the hand; and perform an operation related to the hand on the basis of the acquired skeleton.
    Type: Application
    Filed: January 20, 2026
    Publication date: May 28, 2026
    Inventors: Sungoh KIM, Jinmo KANG, Bonkon KOO, Jisu RYU, Sungkweon PARK, Donghyun YEOM
  • Patent number: 12627178
    Abstract: An electronic device is provided. The electronic device includes a power receiver including a power receiving coil, a battery, and at least one processor operatively connected to the power receiver and the battery, wherein the at least one processor may be configured to identify whether a wireless charging protection mode has been entered, to wirelessly receive power in a first range from the power transmitting device through the power receiver when it is identified that a wireless charging protection mode has not been entered, to charge the battery using power in the first range, to identify a charge amount of the battery charged for a designated time, and to identify that a metallic foreign object exists, and to change the heat generation control condition in case it is identified that the charge amount of the battery is less than a designated value.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: May 12, 2026
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jisu Ryu, Sengtai Lee
  • Publication number: 20260101115
    Abstract: An apparatus and a method for controlling light sources for eye tracking are provided. The method includes performing user calibration using eye tracking technology, by analyzing eye data of a user, which is acquired through the user calibration, and calculating an activity of each of light sources according to a gaze of the user, generating an activation map for each of the light sources, verifying a first gaze direction that is a gaze direction of the user identified from an image taken of the pupil of the user, verifying control information of each of the light sources corresponding to the first eye gaze in the activation map of each of the light sources, and controlling each of the light sources according to the control information.
    Type: Application
    Filed: December 11, 2025
    Publication date: April 9, 2026
    Inventors: Bonkon KOO, Jinmo KANG, Kwangtai KIM, Sungoh KIM, Jisu RYU, Sungkweon PARK, Soonsang PARK, Donghyun YEOM, Kihuk LEE
  • Publication number: 20260099202
    Abstract: A wearable device is provided.
    Type: Application
    Filed: December 11, 2025
    Publication date: April 9, 2026
    Inventors: Bonkon KOO, Donghyun YEOM, Sungkweon PARK, Jisu RYU, Sungoh KIM, Jinmo KANG
  • Patent number: 12586336
    Abstract: A wearable device is provided. The wearable device includes a plurality of light sources configured to emit light toward an eye of a user wearing the wearable device. The wearable device includes a camera configured to capture images of at least a part of the eye of the user wearing the wearable device. The wearable device includes at least one processor comprising processing circuitry. The wearable device includes memory, comprising one or more storage mediums, storing instructions. The wearable device performs eye tracking based on the images captured by the camera while the plurality of the light sources are controlled to emit light toward the eye of the user. The wearable device performs iris recognition based on at least one image captured by the camera while a portion of the plurality of the light sources is controlled to emit light toward the eye of the user and a remaining portion of the plurality of the light sources is deactivated.
    Type: Grant
    Filed: May 14, 2024
    Date of Patent: March 24, 2026
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jisu Ryu
  • Publication number: 20260043923
    Abstract: A pseudo-GNSS signal output system is proposed. The pseudo-GNSS signal output system may include a main device installed outside a tunnel and a plurality of remote devices installed inside the tunnel at a first interval and configured to communicate with the main device. Each of the plurality of remote devices may include a RADAR device, at least one pseudo-GNSS signal output device, a communication module configured to communicate with the main device, and a processor. The processor may recognize a location and velocity of a vehicle traveling in the tunnel by using the RADAR signal detected by the RADAR device, transmit the recognized location and velocity of the vehicle to the main device, receive pseudo-GNSS signal information from the main device, and generate and output a pseudo-GNSS signal through the at least one pseudo-GNSS signal output device by using the pseudo-GNSS signal information.
    Type: Application
    Filed: December 27, 2024
    Publication date: February 12, 2026
    Inventors: Jihoon RYOO, Hongjin LEE, In-sun KIM, Seonghoon PARK, Hamin LIM, Jisu RYU
  • Publication number: 20250233441
    Abstract: An electronic device is provided. The electronic device includes a charging circuit configured to charge a battery, a motion sensor, memory storing instructions, and a processor operatively connected to the charging circuit, the motion sensor, and the memory. The instructions, when executed by the one or more processors individually or collectively, cause the electronic device control the charging circuit to perform a charging function for the battery on the basis of a first charging frequency, change the first charging frequency to a second charging frequency in response to an execution when at least one of a function related to the motion sensor, at least one instruction related to the motion sensor, and an application including the at least one instruction is executed, and control the charging circuit to perform a charging function for the battery on the basis of the second charging frequency.
    Type: Application
    Filed: March 31, 2025
    Publication date: July 17, 2025
    Inventors: Jisu RYU, Jina PARK, Jungmin YANG, Hyunseung YOON, Sengtai LEE, Kyuhwan LIM, Seokmin JANG, Sungmin JANG
  • Patent number: 12236178
    Abstract: A method of generating a circuit model used to simulate an integrated circuit may include generating first feature element data and second feature element data by classifying feature data of a target semiconductor device according to measurement conditions, generating first target data and second target data by preprocessing the first feature element data and the second feature element data, respectively, generating a first machine learning model using the first target data and extracting a second machine learning model using the second target data, and generating the circuit model used to simulate the integrated circuit using the first machine learning model and the second machine learning model.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: February 25, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yohan Kim, Changwook Jeong, Jisu Ryu
  • Publication number: 20250014301
    Abstract: A wearable device is provided. The wearable device includes a plurality of light sources configured to emit light toward an eye of a user wearing the wearable device. The wearable device includes a camera configured to capture images of at least a part of the eye of the user wearing the wearable device. The wearable device includes at least one processor comprising processing circuitry. The wearable device includes memory, comprising one or more storage mediums, storing instructions. The wearable device performs eye tracking based on the images captured by the camera while the plurality of the light sources are controlled to emit light toward the eye of the user. The wearable device performs iris recognition based on at least one image captured by the camera while a portion of the plurality of the light sources is controlled to emit light toward the eye of the user and a remaining portion of the plurality of the light sources is deactivated.
    Type: Application
    Filed: May 14, 2024
    Publication date: January 9, 2025
    Inventor: Jisu RYU
  • Publication number: 20240380875
    Abstract: A wearable electronic device is provided. The wearable electronic device includes a processor and memory communicatively coupled to the processor. The wearable electronic device includes a first tracking device including first lights corresponding to a first area of a user wearing the wearable electronic device and first cameras corresponding to the first area, and a second tracking device including second lights corresponding to a second area of the user and second cameras corresponding to the second area. The memory store one or more computer programs including computer-executable instructions that, when executed by the processor, cause the wearable electronic device to generate a first signal related to the exposure of a first primary camera among the first cameras before an exposure time of the first primary camera and input the generated first signal as a signal notifying the second cameras of the start of a frame.
    Type: Application
    Filed: April 23, 2024
    Publication date: November 14, 2024
    Inventors: Jisu RYU, Jinki KIM, Myounggyo SEO, Changrim YU, Jina JEON
  • Patent number: 11994562
    Abstract: Various embodiments of the present invention relate to an electronic device for diagnosing a battery, and the electronic device may include a battery; and a power management module operatively connected with the battery, and including a charging circuit which controls charge of the battery, wherein the power management module is configured to monitor a charge state of the battery, if the battery reaches a first designated state, identify a time taken to change from the first designated state to a second designated state, and determine whether the battery is abnormal, based at least in part on the identified time. Other various embodiments are possible.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 28, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sengtai Lee, Daejin Kwak, Jisu Ryu, Yonghyun Park, Jinhyuk Choi, Yonghwan Hyun
  • Patent number: 11982980
    Abstract: According to an aspect of the present inventive concept, a simulation method for a semiconductor fabrication process includes obtaining, as input data, process parameters for controlling a semiconductor process of manufacturing semiconductor devices, or design parameters representing a structure of the semiconductor devices, or both the process parameters and the design parameters; generating predictive data for electrical characteristics of the semiconductor devices using a machine learning model based on the input data; generating reference data for the electrical characteristics of the semiconductor devices using a simulation tool based on the input data; and training the machine learning model using the predictive data and the reference data.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jinwoo Kim, Sanghoon Myung, Wonik Jang, Yongwoo Jeon, Kanghyun Baek, Jisu Ryu, Changwook Jeong
  • Patent number: 11741596
    Abstract: A semiconductor wafer fault analysis system includes: a database to store a first reference map, which is classified as a first fault type, and a second reference map, which is classified as a second fault type; a first auto-encoder/decoder to remove a noise corresponding to the first fault type from the first reference map to generate a first pre-processed reference map; a second auto-encoder/decoder to remove a noise corresponding to the second fault type from the second reference map to generate a second pre-processed reference map; and a fault type analyzer. The database is updated based on the first and second pre-processed reference maps, and the fault type analyzer is to classify a fault type of a target map based on the updated database. The target map is generated by measuring a target wafer.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: August 29, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Chul Park, Ami Ma, Jisu Ryu, Changwook Jeong
  • Publication number: 20230169240
    Abstract: A method of generating optimal input data for a design simulator providing output data related to output parameters in response to input data related to input parameters. The method includes; generating training data including sample input data and sample output data, selecting at least one essential input parameter affecting a plurality of output parameters from among the input parameters in accordance with an estimation model trained using the training data, and generating the optimal input data in accordance with essential input data corresponding to the at least one essential input parameter and the sample output data.
    Type: Application
    Filed: November 25, 2022
    Publication date: June 1, 2023
    Inventors: JINWOO KIM, BYOUNGSEON CHOI, YUNJUN NAM, SANGHOON MYUNG, JAESIK AN, JISU RYU, CHANGWOOK JEONG, JAEMYUNG CHOE
  • Publication number: 20230062165
    Abstract: An electronic device is provided. The electronic device includes a power receiver including a power receiving coil, a battery, and at least one processor operatively connected to the power receiver and the battery, wherein the at least one processor may be configured to identify whether a wireless charging protection mode has been entered, to wirelessly receive power in a first range from the power transmitting device through the power receiver when it is identified that a wireless charging protection mode has not been entered, to charge the battery using power in the first range, to identify a charge amount of the battery charged for a designated time, and to identify that a metallic foreign object exists, and to change the heat generation control condition in case it is identified that the charge amount of the battery is less than a designated value.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 2, 2023
    Inventors: Jisu RYU, Sengtai LEE
  • Publication number: 20220263326
    Abstract: According to certain embodiments, an electronic device comprises: a rechargeable battery configured to supply power to the electronic device; a processor connected to the battery; and memory storing a plurality of executable instructions, wherein the execution of the executable instructions by the processor causes performing a plurality of operations, wherein the plurality of operations comprises: charging the battery based on a target voltage level, wherein the target voltage level is based on a number of times the rechargeable battery has been previously charged, detecting that the voltage of the rechargeable battery is maintained within a range of levels lower than the target level, and protecting the battery in response to detecting.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 18, 2022
    Inventor: Jisu RYU
  • Publication number: 20220207393
    Abstract: Disclosed are methods of predicting semiconductor material properties and methods of testing semiconductor devices using the same. The prediction method comprises preparing a machine learning model that is trained with a training system and using the machine learning model to predict material properties of a target system. The machine learning model is represented as a function of material properties with respect to a descriptor. The descriptor is calculated from unrelaxed charge density (UCD) that is represented by summation of atomic charge density (ACD) of single atoms.
    Type: Application
    Filed: September 8, 2021
    Publication date: June 30, 2022
    Inventors: Naoto Umezawa, Changwook Jeong, Jisu Ryu, Kyu Hyun Lee, Jinyoung Lim, Wonik Jang, In Huh
  • Publication number: 20220121800
    Abstract: A method of generating a circuit model used to simulate an integrated circuit may include generating first feature element data and second feature element data by classifying feature data of a target semiconductor device according to measurement conditions, generating first target data and second target data by preprocessing the first feature element data and the second feature element data, respectively, generating a first machine learning model using the first target data and extracting a second machine learning model using the second target data, and generating the circuit model used to simulate the integrated circuit using the first machine learning model and the second machine learning model.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 21, 2022
    Inventors: Yohan Kim, Changwook Jeong, Jisu Ryu
  • Publication number: 20220043405
    Abstract: According to an aspect of the present inventive concept, a simulation method for a semiconductor fabrication process includes obtaining, as input data, process parameters for controlling a semiconductor process of manufacturing semiconductor devices, or design parameters representing a structure of the semiconductor devices, or both the process parameters and the design parameters; generating predictive data for electrical characteristics of the semiconductor devices using a machine learning model based on the input data; generating reference data for the electrical characteristics of the semiconductor devices using a simulation tool based on the input data; and training the machine learning model using the predictive data and the reference data.
    Type: Application
    Filed: April 14, 2021
    Publication date: February 10, 2022
    Inventors: Jinwoo Kim, Sanghoon Myung, Wonik Jang, Yongwoo Jeon, Kanghyun Baek, Jisu Ryu, Changwook Jeong
  • Publication number: 20220026494
    Abstract: Various embodiments of the present invention relate to an electronic device for diagnosing a battery, and the electronic device may include a battery; and a power management module operatively connected with the battery, and including a charging circuit which controls charge of the battery, wherein the power management module is configured to monitor a charge state of the battery, if the battery reaches a first designated state, identify a time taken to change from the first designated state to a second designated state, and determine whether the battery is abnormal, based at least in part on the identified time. Other various embodiments are possible.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 27, 2022
    Inventors: Sengtai LEE, Daejin KWAK, Jisu RYU, Yonghyun PARK, Jinhyuk CHOI, Yonghwan HYUN