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).

  • Patent number: 11072544
    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: July 27, 2021
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young Choi, Kyu Won Han, Yeo Jin Yoon, Woong Ki Jeong
  • Patent number: 11033250
    Abstract: An ultrasound medical imaging method includes: displaying an ultrasound image on a screen; determining a view plane, on which the displayed ultrasound image is captured, among view planes; and setting a region of interest corresponding to the determined view plane on the ultrasound image.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-su Cheon, Ho-kyung Kang, Yu-mi Sohn, Jong-geun Park, Young-yoon Lee, Jin-woo Yim, Ki-won Sohn, Hojjat Alireza, Jae-young Choi
  • Patent number: 11034586
    Abstract: A method of preparing hydrophobic porous silica includes reacting a porous silica particle containing a hydrophilic group in a solvent with an organosilane compound under a basic catalyst to form a mixture, drying the mixture comprising the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the organosilane compound on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 15, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jae Young Choi, Su Dong Chae, Jang Ho Park, Sung Ho Lee
  • Publication number: 20210163316
    Abstract: A sterilizing device includes a pipe having an inlet and an outlet and allowing fluid to move therethrough and a light source provided on one side of the pipe and providing light to the fluid. At least a portion of the pipe is provided in a spiral shape and the inlet and/or the outlet are arranged in a light emitting region.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young CHOI, Shi Hyun AHN, Ki Yon PARK, Woong Ki JEONG, Kyu Won HAN
  • Publication number: 20210156606
    Abstract: Disclosed herein is a refrigerator in which the structure of a door is improved. The refrigerator includes a main body having a storage compartment, a door rotatably coupled to the main body to open or close the storage compartment and having a door frame, a coupling member coupled to the door frame, and a door handle coupled with the coupling member in a sliding manner.
    Type: Application
    Filed: August 14, 2018
    Publication date: May 27, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung Mok KIM, Jae Young CHOI, Yong Bum SEO, Sang Gyu JUNG, Jeong Hyun LEE
  • Patent number: 10967847
    Abstract: A method for controlling revolutions per minute (RPM) flare, in which an RPM of a transmission increases due to clutch slip, for a hybrid vehicle can include: determining whether gear-shifting is performed in a transmission of the hybrid vehicle; detecting whether RPM flare of the transmission occurs when it is determined that the gear-shifting is performed; and controlling a torque of a motor of the hybrid vehicle so as to reduce the RPM flare of the transmission by reducing the torque of the motor when the RPM flare of the transmission is detected.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Won Woo Seo, Young Kwan Ko, Hoon Han, Jae Young Choi
  • Patent number: 10971961
    Abstract: A rotor sleeve provides a direct cooling method in which oil flows into the rotor sleeve via a flow passage formed through an input shaft of a transmission and is distributed to a motor coil of a driving motor to cool the motor coil. The rotor sleeve has a flow passage structure capable of maintaining a balance between the amount of oil to be distributed toward a transmission and the amount of oil to be distributed toward an engine.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Tae Kil Kim, Chul Min Ahn, Dae Woong Han, Jae Young Choi
  • Patent number: 10932999
    Abstract: A method of preparing hydrophobic porous silica includes adding an alcohol to a solvent in which a porous silica particle including a hydrophilic group is dispersed and stirring the same to form a mixture, drying the mixture including the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the alcohol on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: March 2, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jae Young Choi, Su Dong Chae, Jang Ho Park, Sung Ho Lee
  • Publication number: 20210038039
    Abstract: Disclosed is a device for reducing a user-sensed weight of a wireless vacuum cleaner including a suctioning pipe and a suction motor disposed on a top of the suctioning pipe, the device comprising: a case disposed adjacent to the suction motor and having a space defined therein, and a rotatable assembly received in the space, wherein the rotatable assembly receives therein a motor and a battery, wherein the rotatable assembly is configured to rotate clockwise or counter-clockwise when the motor is activated.
    Type: Application
    Filed: August 5, 2020
    Publication date: February 11, 2021
    Inventors: Jae Young CHOI, Ji Na PARK
  • Publication number: 20210031608
    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: Application
    Filed: November 21, 2019
    Publication date: February 4, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jae Young CHOI
  • Publication number: 20200385289
    Abstract: A sterilization module including a light source configured to irradiate ultraviolet light, a board on which the light source is mounted, a protective tube accommodating the board therein and configured to transmit ultraviolet light irradiated from the light source, a first base coupled to one side of the protective tube, and a second base coupled to the other side of the protective tube, in which at least one of the first base and the second base includes an insertion part to be inserted into the protective tube, the insertion part having a first diameter when viewed in a first cross-section perpendicular to a length direction of the protective tube, and a cover part integrally formed on the insertion part and having a second diameter greater than the first diameter in the first cross-section.
    Type: Application
    Filed: April 13, 2018
    Publication date: December 10, 2020
    Inventors: Jae Young CHOI, Woong Ki JEONG, Kyu Won HAN, Yeo Jin YOON
  • Publication number: 20200333827
    Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Chan KWAK, Jae-Young CHOI, Kwang Hee KIM, Jong Wook ROH, Hyeon Cheol PARK, Weon Ho SHIN, Yun Sung WOO, Hyosug LEE, Jinyoung HWANG
  • Publication number: 20200317511
    Abstract: A method of preparing crystalline graphene includes performing a first thermal treatment including supplying heat to an inorganic substrate in a reactor, introducing a vapor carbon supply source into the reactor during the first thermal treatment to form activated carbon, and binding of the activated carbon on the inorganic substrate to grow the crystalline graphene.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: Hyeon-jin SHIN, Jae-young CHOI, Yun-sung WOO, Seon-mi YOON
  • Publication number: 20200292051
    Abstract: An apparatus and method for controlling temperature of automatic transmission fluid, and a vehicle system are provided. The apparatus includes a determination device that determines whether a temperature difference between the temperature of the automatic transmission fluid and a target temperature thereof satisfies a heating control condition of the automatic transmission fluid at the start of charging. A then adjusts the temperature of the automatic transmission fluid by outputting an operation control signal for at least one driving unit of a thermal management system, when the temperature difference satisfies the heating control condition of the automatic transmission fluid.
    Type: Application
    Filed: October 21, 2019
    Publication date: September 17, 2020
    Inventors: Jae Young Choi, Hoon Han, Jee Wook Huh
  • Publication number: 20200239334
    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: Application
    Filed: February 28, 2020
    Publication date: July 30, 2020
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young CHOI, Kyu Won HAN, Yeo Jin YOON, Woong Ki JEONG
  • Patent number: 10723620
    Abstract: A method of preparing crystalline graphene includes performing a first thermal treatment including supplying heat to an inorganic substrate in a reactor, introducing a vapor carbon supply source into the reactor during the first thermal treatment to form activated carbon, and binding of the activated carbon on the inorganic substrate to grow the crystalline graphene.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeon-jin Shin, Jae-young Choi, Yun-sung Woo, Seon-mi Yoon
  • Publication number: 20200230271
    Abstract: A lighting device including at least one first light source emitting a visible light, at least one second light source spaced apart from the first light source and emitting a light having a wavelength for sterilization, and a housing, in which the first light source and the second light source are disposed, in which the first light source is disposed outside an area having an angle corresponding to about 50% of a maximum amount of light emitted from the second light source based on a line extending from a center of the second light source along a direction substantially perpendicular to a light emitting surface of the second light source.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 23, 2020
    Inventors: Jae Young CHOI, Kyu Won HAN, Seong Tae JANG, Sang Wook JUNG, Woong Ki JEONG
  • Publication number: 20200223717
    Abstract: A portable water bottle includes a water bottle body having water stored therein; and a sterilizing module for irradiating the inside of the water bottle body with sterilizing ultraviolet rays. The sterilizing module further includes a housing having an ultraviolet outlet through which the sterilizing ultraviolet rays pass; a light source module for emitting the sterilizing ultraviolet rays; and a power storage member for supplying power to the light source module.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki JUNG, Byeong Cheol JOO, Jae Young CHOI
  • Patent number: 10697501
    Abstract: A transmission synchronizer includes a lower key that is installed to be slidable with respect to a hub in a radial direction of the hub and an upper key that is installed on an exterior of the lower key, the upper key being slidable in an axial direction of the hub. Additionally, a sleeve is installed at an exterior of the hub to slide the upper key in the axial direction while the sleeve slides in the axial direction, to pressurize the upper key toward a synchro ring. A key spring installed between the lower key and the hub to pressurize the lower key and the upper key toward an inner surface of the sleeve.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 30, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Young Choi, Sung Wha Hong, Jong Yun Park
  • Publication number: 20200180628
    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: Application
    Filed: May 8, 2019
    Publication date: June 11, 2020
    Inventor: Jae Young Choi