Patents by Inventor Jae-young Choi

Jae-young Choi 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: 20220144125
    Abstract: A system for replacing a battery of a mobility is proposed and includes: a battery mounting part provided on an outer surface of a mobility and having a mounting space defined therein, the mounting space being open to an outside, with a battery mounted in the mounting space, and a battery replacement module having a new battery provided therein and mounting the new battery in the mounting space of the battery mounting part after removing the existing battery to be replaced by rotating the new battery and the existing battery together when the battery replacement module approaches the battery mounting part of the mobility.
    Type: Application
    Filed: May 4, 2021
    Publication date: May 12, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Kyu Hoon CHO, Yong Hyun Nam, Chung Sik Yim, Dae Hee Lee, Sang Hyun Jung, Jae Seung Lee, Jae Young Choi
  • Publication number: 20220144410
    Abstract: A retractable propeller apparatus of an air mobility vehicle has a structure enabling a propeller to be exposed or hidden depending on whether the air mobility vehicle is in a high-speed flight or a parking position. In particular, the retractable propeller apparatus includes: a base having a mount provided with a space; a propeller unit disposed on the mount and configured to generate a flow of air; a cover configured to close the space and be movable in the top-bottom direction with respect to the mount; and a lift unit disposed on the mount connected to the cover, and configured to move the cover. The cover selectively closes or opens the space based on an operation of the lift unit such that the propeller unit is operable.
    Type: Application
    Filed: May 11, 2021
    Publication date: May 12, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sang Hyun JUNG, Kyu Hoon CHO, Chung Sik YIM, Jae Young CHOI
  • Patent number: 11325692
    Abstract: A propeller folding apparatus of an air mobility vehicle deploys or folds propeller blades depending on the flying state of the air mobility vehicle. The propeller blades are efficiently used depending on the flying state of the air mobility vehicle. The energy efficiency and the ferry range of the air mobility vehicle are increased.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: May 10, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Young Choi, Sang Hyun Jung, Kyu Hoon Cho, Chung Sik Yim
  • Publication number: 20220126981
    Abstract: A propeller folding apparatus of an air mobility vehicle deploys or folds propeller blades depending on the flying state of the air mobility vehicle. The propeller blades are efficiently used depending on the flying state of the air mobility vehicle. The energy efficiency and the ferry range of the air mobility vehicle are increased.
    Type: Application
    Filed: May 11, 2021
    Publication date: April 28, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Young CHOI, Sang Hyun JUNG, Kyu Hoon CHO, Chung Sik YIM
  • Patent number: 11273192
    Abstract: Provided are a method of efficiently producing a ginseng leaf extract including rare ginsenosides Rg6, Rk3, and Rh4 in increased amounts, and use of a ginseng leaf extract produced by the method.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 15, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jungyeob Ham, Taejung Kim, Young Tae Park, Kyusun Kim, Pilju Choi, Seon-Jun Choi, Bong Geun Song, Jae Young Choi
  • Publication number: 20220052750
    Abstract: Disclosed are a spatial multiplexing method and apparatus using polarization in a multi-beam system. As the spatial multiplexing method using polarization in a multi-beam system, an embodiment of the present invention provides a spatial multiplexing method including determining different phases and different polarizations to be applied to a first beam and a second beam, precoding a signal so that the first beam and the second beam have the determined different phases, and converting polarization of the precoded signal so that the first beam and the second beam have the determined different polarizations.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: KMW INC.
    Inventors: Tae Youl OH, Joon Hyong SHIM, Min Seon YUN, Jae Young CHOI, Kyung Hoon KWON, Young Chan MOON, Oh Seog CHOI
  • Publication number: 20220047764
    Abstract: A sterilization apparatus includes a main body, and a plurality of sterilization modules. The main body defines a sterilization space for sterilization of a sterilization target. The sterilization modules are disposed on a plurality of inner surfaces of the main body surrounding the sterilization space, respectively, and deliver germicidal light to the sterilization space. In addition, the sterilization module includes a support member and a plurality of light sources. A space between adjacent light sources disposed in some regions of the support member is different from a space between adjacent light sources disposed in the other regions of the support member.
    Type: Application
    Filed: August 12, 2021
    Publication date: February 17, 2022
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Eun Ju KIM, Chung Hoon LEE, Jae Young CHOI
  • Publication number: 20220048645
    Abstract: The present invention includes a mobile robot which transports a container configured of having a cargo contained therein to an air vehicle, loads the container at a predetermined loading place of the air vehicle, unloads the container from the air vehicle, identifies the unloaded container, and transports the identified container to a predetermined location.
    Type: Application
    Filed: January 8, 2021
    Publication date: February 17, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Hyun JUNG, Jae Young CHOI
  • Publication number: 20220048616
    Abstract: A foldable blade assembly may include a first blade, a motor configured to rotate the first blade, a second blade of which a rotation center coincides with a rotation center of the first blade, and an actuator configured to move the second blade upward or downward to selectively couple the second blade to the first blade so that the second blade and the first blade are rotated together or configured to release the coupling between the second blade and the first blade.
    Type: Application
    Filed: January 8, 2021
    Publication date: February 17, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Hyun JUNG, Jae Young CHOI
  • Publication number: 20220041453
    Abstract: A method for manufacturing monocrystalline graphene, includes supplying an aromatic carbon gas onto a single-crystalline metal catalyst to manufacture the monocrystalline graphene.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 10, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jae-Young Choi, BUM JUN KIM
  • Patent number: 11242266
    Abstract: A fluid treatment device includes a pipe including an inlet, an outlet, an internal space through which a fluid moves and including a light source part disposed in the internal space and providing a light to the fluid. The light source part includes at least one light source unit having a substrate and a plurality of light sources disposed on the substrate and emitting the light. A ratio of a first distance between two light sources adjacent to each other to a second distance between each light source and an inner circumferential surface of the pipe is 1:1.25 or less when viewed in a longitudinal-section.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: February 8, 2022
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young Choi, Kyu Won Han, Yeo Jin Yoon, Woong Ki Jeong
  • Publication number: 20210393817
    Abstract: A sterilization module including a main body including an ultraviolet outlet, a transparent member disposed on the ultraviolet outlet to transmit ultraviolet light, and a light source unit irradiating ultraviolet light toward the transparent member, and a sealing member, in which the light source unit includes a circuit board and a light emitting diode chip mounted thereon and including an epitaxial substrate, a conductive semiconductor layer electrically connected to the circuit board directly by an electrode, ultraviolet light is c irradiated toward the transparent member by passing through the epitaxial substrate, the sealing member is disposed between the transparent member and the circuit board, and a distance between the transparent member and the circuit board spaced apart from each other by the sealing member is greater than a height of the light emitting diode chip.
    Type: Application
    Filed: July 6, 2018
    Publication date: December 23, 2021
    Inventors: Woong Ki JEONG, Jae Hak JEONG, Si Ho YU, Byung Chul JOO, Jae Young CHOI, Kyu Won HAN, Yeo Jin YOON
  • Publication number: 20210380094
    Abstract: The present invention relates to a control device and method of a hybrid electric vehicle (HEV) to which Downhill Brake Control (DBC) is applied, and determines whether to perform a braking control of the HEV, by comparing a current vehicle speed of the HEV with a target vehicle speed of the HEV upon operating a DBC function, calculates a braking demand amount based on a difference between the current vehicle speed and the target vehicle speed when the braking control is determined, and controls a vehicle speed of the HEV by determining whether to perform cooperative control of a regenerative braking and a brake hydraulic braking, based on the braking demand amount and a maximum regenerative braking possible amount.
    Type: Application
    Filed: September 28, 2020
    Publication date: December 9, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Young CHOI, Gwang Il DU, Hoon HAN
  • Patent number: 11173907
    Abstract: The present disclosure relates to a hybrid vehicle control device, a system including the same, and a method thereof. The hybrid vehicle control device according to an embodiment of the present disclosure includes a processor and storage. The processor sets a target engine speed and determines presence or absence of a kick down shift based on the vehicle driving situation, and performs engine clutch engagement control according to a result of the kick down shift. The storage stores the vehicle driving situation and a result of the determination of the presence or absence of the kick down shift.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: November 16, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jae Young Choi
  • Publication number: 20210347657
    Abstract: A sterilizing module includes a main body and a light source. The main body includes an inner surface, an outer surface and an internal space to treat a target substance in a fluid and connected an inlet and a outlet. The light source is configured to emit light toward the internal space to sterilize the target substance in the fluid. The light source includes a substrate and a plurality of light emitting structures disposed on the substrate. The plurality of light emitting structures is disposed to be spaced apart each other. A first distance between two light emitting structures is adjacent to each other varies depending on a second distance from each light emitting structure to the inner surface of the main body. The second distance has a maximum value and a minimum value of illuminance and a difference between the maximum and the minimum value thereof is about more than 75%.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young CHOI, Kyu Won HAN, Yeo Jin YOON, Woong Ki JEONG
  • Patent number: 11155472
    Abstract: The present disclosure relates to a one-dimensional nano-chain structure including a single crystal structure as a minimum repeat unit structure.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: October 26, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jae-Young Choi, Sudong Chae, Seungbae Oh, Bum Jun Kim
  • Publication number: 20210323840
    Abstract: A fluid treatment module includes a pipe providing a flow channel in which fluid flows, the pipe having an inlet and an outlet, a light source module including a substrate and at least one light emitting diode disposed on an upper surface of the substrate and emitting light into the pipe to treat the fluid, a reflector disposed inside the pipe to reflect the light emitted from the light source module and having higher reflectivity with respect to the light than the pipe, and a heat dissipation plate contacting a rear surface of the substrate to dissipate heat from the light source module. The inlet, the outlet, or both are provided in plural to allow a flow speed and a flow direction of the fluid flowing into the pipe to be controlled, and the heat dissipation plate has higher thermal conductivity than the substrate.
    Type: Application
    Filed: April 29, 2021
    Publication date: October 21, 2021
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Ho LEE, Jae Young CHOI, Woong Ki JUNG, Kyu Won HAN
  • Publication number: 20210308307
    Abstract: A sterilization module includes a main body having an opening on the top surface thereof, a transparent member which is arranged on the inside of the main body so as to cover the opening, and through which light passes, an inner sealing member which is made of an elastic material and which covers the side surface of the transparent member, a light emitting module that comprises a substrate and a light emitting element installed on the upper surface of the substrate, and which emits light through the transparent member, and an inner holder which is fastened to the inner side surface of the main body and fixes the light emitting module to the inside of the main body.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki JUNG, Ji Hyun JO, Byeong Cheol JU, Jae Young CHOI
  • Publication number: 20210281101
    Abstract: A hybrid vehicle is provided and includes an input that receives user selection for terrain mode and a HSG connected to the engine to operate as a start motor to turn on the engine. The HSG operates as a generator that performs idle charging when the engine is turned on. A battery is electrically connected to the HSG. A controller configured perform idle charging when SOC of the battery is less than or equal to a first SOC through the HSG by turning on the engine.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 9, 2021
    Inventors: Chun Hyuk Lee, Seong Ik Park, Gwangil Du, Hoon Han, Kwonchae Chung, Jae Young Choi, Hyukjin Lee
  • Patent number: 11077745
    Abstract: A high voltage battery carrier for a vehicle includes: a main carrier coupled to a vehicle body frame and fixed to a high voltage battery; a subcarrier coupled to an upper portion or a lower portion of the main carrier and configured to form a space in which an electrical and electronic part is accommodated when coupled to the main carrier; and a detachable carrier which is vertically detachably installed on the subcarrier. The electrical and electronic part is coupled to the detachable carrier. With this arrangement, installation space can be reduced and workability is improved due to easy attachment and detachment of the electrical and electronic part.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: August 3, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jae Young Choi