Patents by Inventor Jin Chang

Jin Chang 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).

  • Patent number: 12370944
    Abstract: An apparatus for controlling a vehicle and method thereof includes an air injector that injects air of a preset target pressure to a driver of the vehicle, an ultrasonic transducer that transmits an ultrasonic wave to the driver and receives an echo of the ultrasonic wave, and a processor. The processor is configured to determine a skin stress of the driver based on the target pressure, determine a skin strain of the driver based on the echo, determine a skin stiffness of the driver based on the skin stress and the skin strain, and generate a vehicle sound by use of a volume function generated based on the skin stiffness.
    Type: Grant
    Filed: November 13, 2023
    Date of Patent: July 29, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Kyoung Jin Chang
  • Patent number: 12358522
    Abstract: The present disclosure relates to a vibration generating apparatus for a vehicle including a state analysis device that generates analysis information based on the state information, a vibration signal modeling information generation device that generates vibration signal modeling information for the vibration of the vehicle based on the generated analysis information, and a vibration signal generation device that generates a vibration signal based on the generated vibration signal modeling information and driving information of the vehicle.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: July 15, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Kyoung Jin Chang
  • Publication number: 20250152496
    Abstract: Provided is a composition for skin containing, as an active component, an extract obtained by fermentation and aging with koji mold and two types of lactic acid bacteria. As a specific example, an extract obtained by adding water to koji mold (Aspergillus oryzae) to perform a primary fermentation for saccharification, then adding a lactic acid bacterium (Lactococcus cremoris SW01 stain) to perform a secondary fermentation, and then adding a nano-type lactic acid bacterium (Lactbacillus plantarum) is used as an active component.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 15, 2025
    Applicant: AIN HOLDINGS INC.
    Inventors: Takumi WATANABE, Yong-Jin CHANG, Chiori SATO
  • Publication number: 20250127681
    Abstract: A soft actuator for a massage device is capable of providing vibration and pressure. The soft actuator includes a soft pressing portion that expands or contracts by a pressure fluid filling in the soft pressing portion, and a soft vibrating portion including an electrode that provides vibration through shape change due to voltage applied to the electrode. The soft actuator may be included as part of a massage device, which may be incorporated into a vehicle seat.
    Type: Application
    Filed: March 5, 2024
    Publication date: April 24, 2025
    Inventors: Kyoung Jin Chang, Jeong Goo Kang, Dong Chul Park, Hyun Woo Kim, Ki Uk Kyung, Kyu Jin Hyeon, David Santiago Diaz Cortes
  • Patent number: 12283900
    Abstract: A flexible actuator for curved surfaces and a control method thereof is used for curved surfaces and generates high vibration using a relatively low voltage.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: April 22, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyoung Jin Chang, Dong Chul Park, Ki Uk Kyung, Hyun Woo Kim, Min Ki Kim, Jong Seok Nam, Ji Hyeong Ma
  • Patent number: 12284491
    Abstract: A vehicle selects various sound sources and outputs driving sound based on information received from the navigation system. A database stores sound sources classified as first and second emotions. A controller outputs a landmark name based on a route guidance text and outputs a ratio of the first and second emotions corresponding to the landmark name. The controller selects a first sound source from the sound sources classified as the first emotion based on the first emotion ratio, selects a second sound source from the sound sources classified as the second emotion based on the second emotion ratio and determines first and second playback periods based on the ratios of the first and second emotions. The controller outputs a first sound generated based on the first sound source during the first playback period and a second sound generated based on the second sound source during the second playback period.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: April 22, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Kyoung Jin Chang
  • Publication number: 20250124910
    Abstract: A sound masking apparatus and method mask conversation noise in a vehicle. The sound masking apparatus includes a microphone in a vehicle and a processor connected to the microphone. The processor may detect conversation noise using the microphone, may modulate the conversation noise to generate a masking sound source, and may mask the conversation noise by playing the masking sound source.
    Type: Application
    Filed: June 4, 2024
    Publication date: April 17, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Kyoung Jin Chang
  • Publication number: 20250124474
    Abstract: A method of generating a report using company data may include: collecting subscription company data related to a company subscribing to a platform; storing the collected subscription company data in association with a subscription company account; receiving consultation information through a consultation channel associated with the platform; specifying a consultee from the consultation information, and collecting consultee data related to the specified consultee; generating a report related to the specified agent, using a language model with at least some of the subscription company data and the consultee data as input; and providing the generated report to a subscriber account of the subscription company.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 17, 2025
    Inventors: Dong Hwan KIM, Gil Je SEONG, You Kyung KWON, Ju Shick PARK, Hyung Jin CHANG, Sook Jin ROE
  • Publication number: 20250123794
    Abstract: An embodiment sound providing apparatus includes a camera, one or more processors, and a storage device storing a program to be executed by the one or more processors, the program including instructions to obtain a face image of each passenger in a vehicle using the camera, determine a conversation state of each passenger based on the face image of each passenger, determine an emotional state of each passenger based on the face image of each passenger, determine a conversation atmosphere based on the conversation state and the emotional state of each passenger, select a sound source mapped to the conversation atmosphere, and play and output the sound source.
    Type: Application
    Filed: June 3, 2024
    Publication date: April 17, 2025
    Inventor: Kyoung Jin Chang
  • Patent number: 12243415
    Abstract: Disclosed are an apparatus and a method for controlling a vehicle seat so as to control a seat back and a neck pillow based on a sound. The apparatus includes the vehicle seat installed in a vehicle and including a seat back and a neck pillow, a detector for detecting vehicle information and seat information, and a processor connected to the vehicle seat and the detector, wherein the processor determines a vehicle state and a seat sitting posture based on the vehicle information and the seat information, analyzes a sound being reproduced in the vehicle, determines a haptic pattern and a haptic pressure based on the vehicle state and the seat sitting posture, and the analysis of the sound, and controls the seat back and the neck pillow based on the determined haptic pattern and haptic pressure to provide a haptic effect.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Kyoung Jin Chang, Eun Soo Jo, Jin Sung Lee
  • Patent number: 12234490
    Abstract: Provided is a genome editing composition for prime editing including a prime editor protein and a prime editing guide RNA, for editing a Z-type mutation of alpha-1 antitrypsin deficiency. The composition according to an aspect includes both a pegRNA sequence capable of effectively editing the SERPINA1 gene and prime editor 2 (PE 2), and thus, may effectively deliver the prime editor to a cell, and act specifically for a target sequence of the SERPINA1 gene, enabling genome editing with high accuracy, and therefore, may be useful as a SERPINA1 gene editing platform. In addition, the composition is capable of correcting the Z-type mutation of the SERPINA1 gene, and may be used for treatment or prevention of alpha-1 antitrypsin deficiency.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: February 25, 2025
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Hyongbum Henry Kim, Minyoung Lee, Yoo Jin Chang
  • Patent number: 12232402
    Abstract: The present disclosure relates to an organic light-emitting diode display device that comprises a first substrate on which first, second and third subpixels each including an emission area and a non-emission area are defined; first, second and third light-emitting diodes disposed in the first, second and third subpixels on the first substrate, respectively; a second substrate over the first, second and third light-emitting diodes; and a scattering pattern corresponding to the first subpixel and disposed over the first light-emitting diode or under the first substrate, wherein the first subpixel has an area reflectance higher than the second and third subpixels.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: February 18, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Su-Jin Chang, Sung-Rae Lee, Ju-Hun Min
  • Patent number: 12211478
    Abstract: A noise masking apparatus and method are disclosed. The noise masking apparatus includes a receiver that receives an impact sound and a controller. The controller generates a seed sound source based on an impact noise when the received impact sound is determined as the impact noise, modulates the seed sound source to generate and reproduce a masking sound, sets a repeating reproduction time of the masking sound and a total reproduction time of the masking sound, and reproduces the masking sound during the repeating reproduction time and the total reproduction time.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: January 28, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Kyoung Jin Chang
  • Publication number: 20250013714
    Abstract: A processor-implemented method includes receiving an input vector comprising a plurality of channels, performing a first convolution operation by allocating first chunks, obtained by dividing the input vector, to a plurality of first in-memory computing (IMC) macros, and performing a second convolution operation by allocating second chunks obtained by dividing a result of the first convolution operation to a plurality of second IMC macros.
    Type: Application
    Filed: July 5, 2024
    Publication date: January 9, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jaehyuk LEE, Dong-Jin CHANG, Sungmeen MYUNG, Daekun YOON, Seok Ju YUN
  • Publication number: 20250016962
    Abstract: A thermal interface material including at least a diamond-containing filler; a silicone oil, as well as a plurality of additives.
    Type: Application
    Filed: June 12, 2024
    Publication date: January 9, 2025
    Inventors: Yaqun Liu, Qian Yang, Jin Chang, Kai Wang
  • Patent number: 12179773
    Abstract: A virtual sound provision apparatus for an electric vehicle includes a driving information detector configured to detect vehicle driving information for outputting a virtual driving sound, a microphone configured to detect an actual driving sound generated from the electric vehicle, a controller configured to determine a characteristic of a target sound based on an acceleration and deceleration driving pattern of a driver from an accelerator pedal input value and a brake pedal input value of the driver, and generating and outputting a sound control signal for outputting the virtual driving sound having the characteristic of the target sound based on the determined characteristic information of the target sound and characteristic information of the actual driving sound, and a sound device configured to output a virtual engine sound that simulates an engine sound from the electric vehicle at the time of acceleration and deceleration according to the sound control signal.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 31, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Jin Sung Lee, Ji Won Oh, Dong Chul Park, Kyoung Jin Chang, Tae Kun Yun, Jeong Soo Eo
  • Publication number: 20240420673
    Abstract: A sound system for a vehicle is configured to implement a soundscape that matches an environment around the vehicle. The sound system includes a noise meter that measures environmental noise generated around the vehicle, a vibration meter that measures vibration generated by the vehicle, and a processor connected with the noise meter and the vibration meter. The processor determines a noise type by analyzing features of the vibration and the environmental noise respectively measured by the vibration meter and the noise meter, selects a sound source matched with the noise type among sound sources previously stored in a database, and plays and outputs the selected sound source.
    Type: Application
    Filed: October 31, 2023
    Publication date: December 19, 2024
    Inventor: Kyoung Jin Chang
  • Patent number: 12169662
    Abstract: A vehicle is provided and includes a camera that photographs a face of a driver, a sensor that obtains skin information of the driver, a speaker, and a controller. The controller determines a physical condition of the driver based on at least one of a face image of the driver and the skin information of the driver, determines a sound source and a parameter based on the physical condition of the driver, generates a driving sound by reflecting driving information of the vehicle in the sound source and the parameter, and operates the speaker to output the driving sound.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: December 17, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Patent number: 12163832
    Abstract: A superconducting electronic signal output circuit includes a signal source section configured to provide a voltage and/or current signal. The signal source section comprises a superconducting nanowire single photon detector, SNSPD, a switchable output section connected to the signal source section and having a first superconducting switch configured to selectably cause the signal to be output to an output of the superconducting electronic signal output circuit, and a switchable sink section connected to the signal source section and the switchable output section and having a second superconducting switch configured to selectably cause the signal to be directed to a reference potential.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: December 10, 2024
    Assignee: SINGLE QUANTUM B.V.
    Inventors: Iman Esmaeil Zadeh, Johannes Willem Nicolaas Los, Jin Chang
  • Patent number: D1057238
    Type: Grant
    Filed: November 5, 2022
    Date of Patent: January 7, 2025
    Assignee: General Scientific Corp./Surgitel
    Inventor: Byung Jin Chang