Patents by Inventor Joon Chang

Joon 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: 11945303
    Abstract: A method includes switching a vehicle to a 4WD state by connecting a disconnector, maintaining the disconnector in the connected state for a predetermined maintenance time, determining whether a condition to be switched to a 2WD state is satisfied when the predetermined maintenance time period elapses, and disconnecting the disconnector when the condition to be switched to the 2WD state is satisfied.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: April 2, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chan Hee Won, Tae Wook Park, Young Joon Chang
  • Publication number: 20240092374
    Abstract: A system of controlling a vehicle may include a sensor and a controller, in which the sensor may be configured to sense vehicle operation state information, and the controller may be configured to determine whether a vehicle is running on a dangerous road based on the sensed vehicle operation state information, determine whether there is a possibility that a vehicle driving state will cause a failure of a driving system based on the sensed vehicle operation state information in response to determining that the vehicle is running on the dangerous road, and decide that torque control of the vehicle.
    Type: Application
    Filed: December 8, 2022
    Publication date: March 21, 2024
    Inventors: Bao Wen You, Sun Woo Park, Young Joon Chang, Xiaobin Ma, Xuejiao Sun, Yuzhao Wei, Woon Ki Cho, Xiao Tong Yan
  • Publication number: 20240092167
    Abstract: A method includes switching a vehicle to a 4WD state by connecting a disconnector, maintaining the disconnector in the connected state for a predetermined maintenance time, determining whether a condition to be switched to a 2WD state is satisfied when the predetermined maintenance time period elapses, and disconnecting the disconnector when the condition to be switched to the 2WD state is satisfied.
    Type: Application
    Filed: March 2, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Chan Hee WON, Tae Wook PARK, Young Joon CHANG
  • Publication number: 20230395241
    Abstract: Various methods and systems are provided for predicting a discharge date of a patient of a healthcare facility. In one embodiment, a method for a patient management system of a healthcare facility comprises receiving a selected confidence level from a user of the patient management system; predicting a date for discharging a patient of the healthcare facility using a trained discharge date prediction model, based on a set of patient data of the patient, the discharge date prediction model trained on historical patient data of the healthcare facility; based on the received confidence level and an output of the trained discharge date prediction model, predict a discharge date window of the patient; generating a predicted discharge date window element summarizing the discharge window prediction in a user interface (UI) of the patient management system; and displaying the UI on a display device of the patient management system.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 7, 2023
    Inventors: Jehoshua Joon Chang, Jeffrey R. Terry, Bex George Thomas, Kathleen P. Martin
  • Patent number: 11787410
    Abstract: In a torque distribution method for a vehicle, torque is optimally distributed to front and rear wheels of a vehicle by reflecting pitch motion characteristics and longitudinal load movement information of the vehicle in real time. The repetition of wheel slip and the degradation of wheel slip control performance caused by the pitch motion are reduced. The longitudinal load movement of the vehicle is reduced.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: October 17, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Won Oh, Young Joon Chang, Jeong Soo Eo
  • Patent number: 11782498
    Abstract: An electronic device includes a coding module that determines whether a parameter of an artificial neural network is an outlier, depending on a value of the parameter and compresses the parameter by truncating a first bit of the parameter when the parameter is a non-outlier and truncating a second bit of the parameter when the parameter is the outlier, and a decoding module that decodes a compressed parameter.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: October 10, 2023
    Assignee: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Ik Joon Chang, Ho Nguyen Dong, Minhson Le
  • Publication number: 20230178192
    Abstract: Various methods and systems are provided for automatically generating downgrade recommendations. In one embodiment, a method for a patient downgrade recommendation system includes displaying a menu listing one or more options for retrieving data of one or more patients from a plurality of databases and systems of a hospital, the plurality of databases and systems including one or more electronic health record (EHR) systems, and displaying a recommendation graphical user interface (GUI) that displays, for each patient, a downgrade recommendation recommending whether or not to downgrade the patient, the downgrade recommendation being selectable to add additional display elements to the recommendation GUI display panel identifying parameters from the retrieved data from the one or more EHR systems that triggered a displayed downgrade recommendation, wherein the recommendation GUI is displayed while the one or more EHR systems are in an un-launched state.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 8, 2023
    Inventors: Ryan Mancl, Jeffrey Richardson Terry, Tamas Fixler, Kathleen Martin, Pravat Panda, Jehoshua Joon Chang
  • Publication number: 20230178223
    Abstract: Various methods and systems are provided for automatically generating a recommendation to downgrade a patient from an intensive care unit (ICU) to a different medical unit. In one embodiment, a method for a patient downgrade recommendation system comprises, for each patient of a plurality of selected patients of the ICU, selecting a set of downgrade criteria for the patient; from a first, larger set of patient data of the patient, automatically compiling a second, smaller set of patient data based on the set of downgrade criteria; applying a set of rules associated with the set of downgrade criteria to the second, smaller set of patient data to generate a downgrade recommendation for the patient; and arranging the graphical downgrade recommendation elements of the plurality of selected patients in a single integrated view of a user interface a display device of the patient downgrade recommendation system.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 8, 2023
    Inventors: Ryan Mancl, Jeffrey Richardson Terry, Tamas Fixler, Kathleen Martin, Pravat Panda, Jehoshua Joon Chang
  • Patent number: 11623987
    Abstract: The present disclosure relates to a polycarbonate resin composition having excellent light-reflecting and light-shielding properties, and an automotive molded article produced using the same. The polycarbonate resin composition includes: 60 to 70 wt % of a polycarbonate resin; 4 to 10 wt % of a rubber-modified vinyl-based graft copolymer; 3 to 11 wt % of a styrene-based copolymer; 15 to 25 wt % of titanium dioxide; and 2 to 3 wt % of a mineral filler.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: April 11, 2023
    Assignees: HYUNDAI MOBIS CO., LTD., LG CHEM, LTD.
    Inventors: Jae Joon Chang, Myeung Il Kim, Jae Hwan Kim, Jin Sol Park, Soo Min Lee
  • Patent number: 11407402
    Abstract: A driving torque command generating apparatus and method of operating a hybrid electric vehicle can obtain torsional state observation values using an engine speed, a motor speed, and a wheel speed detected by an engine speed detector, a motor speed detector, and a wheel speed detector, respectively, together with a motor torque command generated in a previous period, and generate an engine torque command and a motor torque command of a driving torque command based on a driving input value input by a driving input detector and the torsional state observation values.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: August 9, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ji Won Oh, Young Joon Chang, Jeong Soo Eo, Youn Kwang Jung, Sung Jae Kim
  • Publication number: 20220010130
    Abstract: The present disclosure relates to a light transmissive molded article including a base layer molded from a thermoplastic resin composition and a coating layer formed on at least one surface of the base layer, wherein peak energy PEA is equal to or greater than 40 J when impact energy of 140 J is applied with a rod having a diameter of 12.7 mm and a thickness of 3.0 mm by ASTM D3763, wherein, when being exposed at 90° C. for 500 hours, a color difference ?E1 based on color coordinates (L*0, a*0, b*0) of a CIE LAB color space before the exposure and color coordinates (L*A, a*A, b*A) of the CIE LAB color space after the exposure satisfies Equation 1 below, and light transmittance T0 before the exposure and light transmittance TA after the exposure satisfy Equation 2 below: ?E1?2.0??[Equation 1] 0.95?TA/T0?1.05.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 13, 2022
    Applicants: HYUNDAI MOBIS CO., LTD., LG CHEM, LTD.
    Inventors: Jae Joon CHANG, Moo Seok LEE, Myeung Il KIM, Soo Min LEE, Young Min KIM
  • Patent number: 11144386
    Abstract: A memory controller includes an error correction circuit that converts some bits of first data into parity bits for an error correction operation and generates second data including remaining bits of the first data and the parity bits replaced from the some bits, and a physical layer that transmits the second data instead of the first data to a memory device.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: October 12, 2021
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Ik Joon Chang, Duy Thanh Nguyen
  • Patent number: 11146859
    Abstract: Provided is a method of executing content, the method including: recognizing an external electronic device connected to an electronic device; determining a type of the content provided from the external electronic device to the electronic device based on a user interface (UI) displayed on a screen of the electronic device, as the external electronic device is recognized; and determining an image quality control mode for the content based on the determined type of the content.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-soo Choi, Chang-yeong Kim, Kyung-su Kim, Sung-jin Kim, Il-koo Kim, Ju-hee Kim, Joon-hyun Lee, Byung-joon Chang
  • Publication number: 20210223852
    Abstract: An electronic device includes a coding module that determines whether a parameter of an artificial neural network is an outlier, depending on a value of the parameter and compresses the parameter by truncating a first bit of the parameter when the parameter is a non-outlier and truncating a second bit of the parameter when the parameter is the outlier, and a decoding module that decodes a compressed parameter.
    Type: Application
    Filed: February 17, 2020
    Publication date: July 22, 2021
    Applicant: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Ik Joon CHANG, Ho Nguyen DONG, Minhson LE
  • Patent number: 10982091
    Abstract: The present invention relates to a thermoplastic resin composition having excellent thermal stability and birefringence properties and to a molded article formed therefrom. In one embodiment, the thermoplastic resin composition includes: 100 parts by weight of a polycarbonate resin including a repeating unit represented by formula 1; about 0.2 parts by weight to about 15 parts by weight of an epoxy resin represented by formula 2; and about 1 part by weight to about 15 parts by weight of a phosphate-based compound, wherein formula 1 and formula 2 are as defined in the detailed description.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 20, 2021
    Assignees: HYUNDAI MOBIS CO., LTD., SAMYANG CORPORATION
    Inventors: Jae Joon Chang, Joung Hoon Lee, Hyun Jee Lee, Keun Hyung Lee, Jung Kyu Han, Tae Jin An, Nung Hyun Kim, Hyung Jin Roh
  • Patent number: 10978068
    Abstract: A method, performed by an electronic apparatus, of executing an application, based on a voice input of a user, and the electronic apparatus are provided. The method includes performing voice recognition on the voice command for executing the application, determining a target page among a plurality of pages displayable when the application is executed, based on a result of the voice recognition, generating a virtual input sequence for displaying a second screen corresponding to the target page, instead of a first screen currently displayed, and executing the application in response to the virtual input sequence.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: April 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-jin Kim, Il-koo Kim, Sang-ha Kim, Kyoung-jin Moon, Ji-sang Yu, Byung-joon Chang
  • Patent number: 10967840
    Abstract: The present disclosure provides a method of controlling braking of an electric vehicle in which friction braking force generated by a friction braking unit is applied to front wheels and regenerative braking force generated by a motor is applied to rear wheels includes: determining driver's request braking force by a controller based on a driver's braking-input value; detecting driving information and state information of the vehicle by a detection unit; and determining a braking mode of the vehicle that satisfies the driver's request braking force by the controller based on the detected information and information of running state of the vehicle obtained from the detected information. In addition, the present disclosure provides a system of controlling braking of an electric vehicle.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Corporation, KIA Motors Corporation
    Inventors: Ji Won Oh, Jeong Soo Eo, Young Joon Chang
  • Patent number: 10927970
    Abstract: A cylinder container for storing and transporting a fluid, which is configured such that the same can store and transport a fluid, and can discharge the stored fluid at a configured discharge pressure under a configured condition. More specifically, the cylinder can have a fluid pressure adjustment valve installed on the cylinder container for storing and transporting a fluid such that a stored fluid can be discharged at a configured discharge pressure under a configured condition, the fluid pressure adjustment valve being configured such that the fluid storage capability of the cylinder container for storing and transporting a fluid can be improved.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: February 23, 2021
    Assignee: TEMC CO., LTD.
    Inventors: Weon Yang Yu, Sang Hoon Jeon, Kyoung Min Ma, Dae Yong Kwon, Sang Youl Yi, Ji Won Moon, In Joon Chang
  • Publication number: 20210040313
    Abstract: The present disclosure relates to a polycarbonate resin composition having excellent light-reflecting and light-shielding properties, and an automotive molded article produced using the same. The polycarbonate resin composition includes: 60 to 70 wt % of a polycarbonate resin; 4 to 10 wt % of a rubber-modified vinyl-based graft copolymer; 3 to 11 wt % of a styrene-based copolymer; 15 to 25 wt % of titanium dioxide; and 2 to 3 wt % of a mineral filler.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 11, 2021
    Inventors: Jae Joon CHANG, Myeung Il KIM, Jae Hwan KIM, Jin Sol PARK, Soo Min LEE
  • Patent number: 10916291
    Abstract: The provided is a method of controlling a dynamic random-access memory (DRAM) device comprising: storing a plurality of pieces of data consisting of a plurality of bits in a memory in a transposed manner; setting at least one refresh period for each of a plurality of rows constituting the memory; and performing a refresh operation of the memory on the basis of the set refresh period.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: February 9, 2021
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG LEE UNIVERSITY
    Inventors: Hyuk Jae Lee, Hyun Kim, Duy Thanh Nguyen, Bo Yeal Kim, Ik Joon Chang