Patents by Inventor Sung Hwan Chang

Sung Hwan 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).

  • Publication number: 20250058645
    Abstract: In a system and method for controlling the electric vehicle, the method for controlling the electric vehicle may be performed by a controller. The method may include obtaining virtual shift information based on drive information of the electric vehicle, detecting a power-on upshift based on the virtual shift information, in response to the detecting of the power-on upshift, determining whether a set condition for push-feel control is satisfied, and based on whether the set condition is satisfied, performing a torque control for a motor of the electric vehicle in either a normal control mode or a push-feel control mode.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Soo Han Song, Joseph D Chang, Seong Hwan Cheong, Sung Hyun Cho
  • Publication number: 20250058631
    Abstract: A method of guiding a shiftable gear stage of a vehicle provides information about a shiftable gear stage by a driver in a manual shift mode of a virtual gear shift system of the vehicle. The method includes: determining, by a control unit, whether a virtual gear shift system of an electric vehicle enters a manual shift mode; when the virtual gear shift system enters the manual shift mode; determining a shiftable gear stage by a driver on the basis of a current vehicle speed; and outputting and displaying the determined shiftable gear stage on a display device inside the electric vehicle.
    Type: Application
    Filed: July 15, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sung Hyun Cho, Soo Han Song, Seong Hwan Cheong, Joseph D. Chang
  • Publication number: 20250058762
    Abstract: A virtual gear shift control apparatus for an electric vehicle is disclosed. The apparatus includes a driving information detector that detect information indicating a vehicle driving state. The apparatus also includes a controller that generates a motor torque command for satisfying a driver's demand torque based on the vehicle driving information including the information detected by the driving information detector. The controller determines whether the vehicle driving state of the electric vehicle corresponds to a predetermined power-off condition, determines, in response to a determination that the vehicle driving state corresponds to the predetermined power-off condition, a coasting torque corresponding to a current virtual gear stage and a current virtual engine speed. The controller also generates a motor torque command using the determined coasting torque as a command value.
    Type: Application
    Filed: July 12, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Joseph D. Chang, Soo Han Song, Seong Hwan Cheong, Sung Hyun Cho
  • Publication number: 20250058710
    Abstract: A method for controlling a virtual engine sound of an electric vehicle, may include steps of, which are performed by a controller, collecting a driving state including the vehicle speed of the electric vehicle and the opening amount of an accelerator pedal, determining a virtual gear position based on the vehicle speed of the electric vehicle and the opening amount of the accelerator pedal, obtaining the virtual engine speed of the electric vehicle based on the vehicle speed and the virtual gear position, and outputting a virtual engine sound corresponding to the virtual engine speed.
    Type: Application
    Filed: July 26, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sung Hyun Cho, Joseph D Chang, Soo Han Song, Seong Hwan Cheong, Jiwon Oh
  • Publication number: 20250058649
    Abstract: A launch control system and method for an electric vehicle, which are capable of satisfying a driver's demand for a high-performance vehicle by realizing the high performance of the electric vehicle. The system and method maximize acceleration at an initial stage of launching the electric vehicle from a standstill, thereby shortening the time to reach the maximum acceleration when launching the electric vehicle from the standstill.
    Type: Application
    Filed: April 16, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sung Hyun Cho, Soo Han Song, Seong Hwan Cheong, Joseph D. Chang
  • Publication number: 20250060034
    Abstract: A method of guiding vehicle shift timing which may provide information related to the shift timing to a driver includes determining, by a controller, a virtual engine speed of an electric vehicle, determining, by the controller, a predicted speed limit arrival time taken for the determined virtual engine speed to reach a predetermined speed limit, controlling, by the controller, operation of a shift indicator configured to guide manual shift timing based on the determined virtual engine speed and predicted speed limit arrival time, and operating, by the controller, the shift indicator to provide shift timing information to the driver.
    Type: Application
    Filed: August 2, 2024
    Publication date: February 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sung Hyun Cho, Soo Han Song, Seong Hwan Cheong, Joseph D Chang
  • Publication number: 20250054949
    Abstract: Disclosed is a one-body particle including a core present as a non-aggregated primary particle and a coating layer formed on at least a part of the core, wherein the coating layer is a multilayer coating layer containing at least one of a +3 or +4 element, and an active material for secondary batteries including the same.
    Type: Application
    Filed: January 20, 2023
    Publication date: February 13, 2025
    Inventors: Han Ah KIM, Gi Hwan CHANG, Hyun Gyu HAN, Hwa Young SON, Jae Joon JO, Seul Gi JEON, Sung Kyun CHANG, Doe Hyoung KIM
  • Publication number: 20250022564
    Abstract: A method for evaluating appropriateness of dosage of a target drug administered to a patient is adapted to be implemented by a computing device that stores a dosage evaluation model. The method comprises steps of: obtaining at least one physiological parameter that is related to a physiological condition of the patient; obtaining at least one medication parameter that is related to a usage condition of the target drug by the patient; and feeding said at least one physiological parameter and said at least one medication parameter into the dosage evaluation model to obtain an evaluation result that indicates the appropriateness of the dosage of the target drug administered to the patient.
    Type: Application
    Filed: August 29, 2023
    Publication date: January 16, 2025
    Inventors: Chung-Hwan CHEN, Chun-Wang WEI, Pei-Cing HUANG, Hsiu-Mei CHANG, Sung-Yen LIN
  • Publication number: 20250022015
    Abstract: An operation method of an application system includes receiving a chat room-entry event notifying that a user enters the chat room from a terminal in which an application is installed, generating an entry trigger based on the chat room enter event, and providing user context suitable information inferred based on a user key included in the entry trigger to the chat room.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Inventors: YOUNG JIN HUH, SUNG YONG CHANG, SOOK YOUNG LEE, Jisoo HWANG, Hye Ryeon LEE, SEON HWA KIM, YOUNGHAE LEE, JIN HWAN KIM
  • Patent number: 10987854
    Abstract: In an apparatus for manufacturing a micro-channel and a method for manufacturing a micro-channel, the apparatus includes a base member and a holding chamber. The base member includes a first base member having a concave portion and a convex portion, and a second base member covering the concave portion to form a channel. The holding chamber holds the base member thereinside, to form a space uniformly applying a pressure on a surface of the base member. Accordingly, the pressure is uniformly applied on an entire surface of the base member and thus the micro-channel may be manufactured.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: April 27, 2021
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Yeong-eun Yoo, Sung-hwan Chang, Jung-yup Kim, Kyung-ho Lee
  • Patent number: 10561688
    Abstract: The present invention relates to a method of preparing vascular endothelial cells by transforming (transdifferentiating) adult fibroblasts and a composition, which includes vascular endothelial cells prepared according to the method, for preventing and treating ischemic diseases, the method including a step of transducing adult fibroblasts with a gene. In particular, the present invention confirms that five factors, Foxo1, Er71, Klf2, Tal1, and Lmo2, induce transdifferentiation of adult fibroblasts into induced vascular endothelial cells. Furthermore, the present invention confirms that three factors, Er71, Klf2, and Tal1 induce transdifferentiation of human adult fibroblasts into induced vascular endothelial cells. The resultant induced endothelial cells enable lower limb salvaging by angiogenesis in lower limb ischemic animal models, showing that the induced endothelial cells can be effectively used for prevention or treatment of ischemic diseases.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: February 18, 2020
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Hyo-Soo Kim, Jung-Kyu Han, Sung-Hwan Chang, Hyun-Ju Cho, Saet-Byeol Choi, Youngchul Shin
  • Patent number: 10305827
    Abstract: Provided is a technique for transmitting and receiving a chat message through a message server. A user transmits and receives a chat message to and from a friend of a first type and receives a chat message from a friend of a second type, and receives various chat messages from a company supporting the friend of the second type.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 28, 2019
    Assignee: Kakao Corp.
    Inventors: Seung Hwan Van, Ka Ram Han, Yong Hyun Kim, Sung Hwan Chang
  • Publication number: 20180063043
    Abstract: Provided is a technique for transmitting and receiving a chat message through a message server. A user transmits and receives a chat message to and from a friend of a first type and receives a chat message from a friend of a second type, and receives various chat messages from a company supporting the friend of the second type.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 1, 2018
    Inventors: Seung Hwan VAN, Ka Ram HAN, Yong Hyun KIM, Sung Hwan CHANG
  • Patent number: 9807038
    Abstract: Provided is a technique for transmitting and receiving a chat message through a message server. A user may transmit and receive a chat message to and from a friend of a first type and may receive a chat message from a friend of a second type, and receive various chat messages from a company supporting the friend of the second type.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: October 31, 2017
    Assignee: Kakao Corporation
    Inventors: Seung Hwan Van, Ka Ram Han, Yong Hyun Kim, Sung Hwan Chang
  • Publication number: 20160250263
    Abstract: The present invention relates to a method of preparing vascular endothelial cells by transforming (transdifferentiating) adult fibroblasts and a composition, which includes vascular endothelial cells prepared according to the method, for preventing and treating ischemic diseases, the method including a step of transducing adult fibroblasts with a gene. In particular, the present invention confirms that five factors, Foxo1, Er71, Klf2, Tal1, and Lmo2, induce transdifferentiation of adult fibroblasts into induced vascular endothelial cells. Furthermore, the present invention confirms that three factors, Er71, Klf2, and Tal1 induce transdifferentiation of human adult fibroblasts into induced vascular endothelial cells. The resultant induced endothelial cells enable lower limb salvaging by angiogenesis in lower limb ischemic animal models, showing that the induced endothelial cells can be effectively used for prevention or treatment of ischemic diseases.
    Type: Application
    Filed: May 13, 2016
    Publication date: September 1, 2016
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Hyo-Soo KIM, Jung-Kyu HAN, Sung-Hwan CHANG, Hyun-Ju CHO, Saet-Byeol CHOI, Youngchul SHIN
  • Publication number: 20160185033
    Abstract: In an apparatus for manufacturing a micro-channel and a method for manufacturing a micro-channel, the apparatus includes a base member and a holding chamber. The base member includes a first base member having a concave portion and a convex portion, and a second base member covering the concave portion to form a channel. The holding chamber holds the base member thereinside, to form a space uniformly applying a pressure on a surface of the base member. Accordingly, the pressure is uniformly applied on an entire surface of the base member and thus the micro-channel may be manufactured.
    Type: Application
    Filed: June 12, 2014
    Publication date: June 30, 2016
    Inventors: Yeong-eun YOO, Sung-hwan CHANG, Jung-yup KIM, Kyung-ho LEE
  • Patent number: 9211575
    Abstract: A method of manufacturing a roll for roll printing/roll imprinting is provided. The method includes preparing an exterior on one surface of which a printed pattern of a predetermined shape is formed and that has magnetic power and having the other surface of the exterior contact an external surface of a central roll so that the exterior is attached to the central roll having magnetic power by magnetic power. Therefore, the method of manufacturing a roll for roll printing/roll imprinting capable of reducing production cost to massively manufacture the roll for roll printing/roll imprinting is provided.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: December 15, 2015
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Sung Hwan Chang, Jae Gu Kim, Jae-Sung Yoon, Yeong-Eun Yoo, Doo-Sun Choi
  • Patent number: 9205432
    Abstract: Disclosed is an apparatus for self-extracting a cell using a magnetic field. The apparatus for self-extracting the cell using the magnetic field according to the present invention includes a flow path casing including an upper substrate and a lower substrate having a magnetic property combined with each other, and a fluid path formed to fluidize a cell solution therein; a separation portion disposed on the fluid path and provided with a separation channel selectively passing only an effective cell that is a separation target in the cell included in the cell solution therethrough; and a magnetic field control portion forming the magnetic field in the flow path portion to separate the cell blocking the separation channel from the separation channel.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: December 8, 2015
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Sung Hwan Chang, Yeong-Eun Yoo, Jung Yup Kim, Seung Min Hyun, Kyung-Hyun Whang
  • Patent number: 8951782
    Abstract: An apparatus for separating cells using magnetic force includes: a separation channel portion including ferromagnetic particles, and provided with a flow path through which a cell fluid containing a plurality of cells having at least one of diamagnetic and paramagnetic properties; and a magnetic field controller that generates a magnetic field within the flow path so that the cells in the cell fluid flow within the flow path and are separated by height by a magnetic field. Accordingly, there are provided an apparatus for separating cells using magnetic force and a cell separation method using the same, by which cells can be easily separated using magnetic force.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: February 10, 2015
    Assignee: Korea Institute of Machinery & Materials
    Inventors: Sung Hwan Chang, Yeong-Eun Yoo, Doo-Sun Choi, Kyung-Hyun Whang
  • Publication number: 20140173003
    Abstract: Provided is a technique for transmitting and receiving a chat message through a message server. A user may transmit and receive a chat message to and from a friend of a first type and may receive a chat message from a friend of a second type, and receive various chat messages from a company supporting the friend of the second type.
    Type: Application
    Filed: October 11, 2012
    Publication date: June 19, 2014
    Applicant: KAKAO CORP.
    Inventors: Seung Hwan Van, Ka Ram Han, Yong Hyun Kim, Sung Hwan Chang