Patents by Inventor Eun Cha

Eun Cha 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).

  • Vehicle with flat seat
    Patent number: 11142105
    Abstract: A vehicle with a flat seat may include a floor portion having a leg groove recessed downward from a surface of the floor portion; a seatback disposed on the floor portion and reclining by a rotation of the lower end; a seat cushion disposed on the floor portion ahead of the seatback; and a leg cushion disposed in the leg groove of the floor portion and having a rear portion rotatably coupled to the seat cushion.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: October 12, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • MOBILE TABLE ASSEMBLY OF VEHICLE
    Publication number: 20210300225
    Abstract: A mobile table assembly of a vehicle includes: a guide rail disposed in a roof of a vehicle; a supporting bar having an upper end coupled to the guide rail and movable along the guide rail, and a lower end extending in a direction away from the roof and positioned in an interior of the vehicle; a rail actuator configured to move the upper end of the supporting bar on the guide rail; and a table coupled to the lower end of the supporting bar.
    Type: Application
    Filed: August 17, 2020
    Publication date: September 30, 2021
    Inventors: Jin Ho HWANG, Dong Eun CHA, Sang Heon LEE
  • INTERIOR VARIABLE VEHICLE
    Publication number: 20210291701
    Abstract: An internal variable vehicle may include instrument panels provided on a side of an internal space of the vehicle, having a structure in which a portion thereof overlaps, configuring an embedding portion of the internal space when being developed, and forming an opening through which the internal space of the vehicle is externally exposed out of the vehicle when the portion thereof overlaps; a seat movable from the internal space of the vehicle to the outside; a guide provided on a floor of the internal space of the vehicle, and providing a path in which the seat is movable from the internal space of the vehicle to an opening side of the instrument panels; and a fixing module configured of fixing the seat to one point of the guide and releasing the fixing of the seat from the point of the guide when the seat is required to move to the outside of the vehicle through the opening of the instrument panels.
    Type: Application
    Filed: August 14, 2020
    Publication date: September 23, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • Retractable table
    Patent number: 11110841
    Abstract: A retractable table may include a table body wound around the retraction mechanism in the housing when accommodated and drawn out and unfolded to the outside of the housing through the accommodation hole when drawn out, and a support mechanism provided at a side end portion of the table body, including a plurality of pieces, each of which is folded to overlap the table body or unfolded from the table body, and including magnetic bodies provided on the pieces to provide rigidity such that, when the table body is deployed, the pieces are connected to each other through the magnetic bodies to maintain the deployed state of the table body.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 7, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • INTERIOR TRIM OF VEHICLE HAVING AIR-CONDITIONING FUNCTION
    Publication number: 20210260956
    Abstract: An interior trim of a vehicle includes a trim panel disposed in an interior space of the vehicle and including a plurality of cells configured to be respectively opened or closed. The plurality of cells define openings facing towards the interior space of the vehicle during an opening operation of the plurality of cells. The openings are arranged so that sound, light or air is discharged through the openings to the interior space of the vehicle.
    Type: Application
    Filed: July 8, 2020
    Publication date: August 26, 2021
    Inventors: Dong Eun CHA, Jin Ho HWANG, Sang Heon LEE
  • COMMUNICATION APPARATUS THROUGH GRILLE OF VEHICLE
    Publication number: 20210261045
    Abstract: A communication apparatus is provided through a grille of a vehicle. The apparatus communicates with the outside through the grille of the vehicle and improves driving performance of the vehicle due to improvement in aerodynamic performance through the grille of the vehicle.
    Type: Application
    Filed: June 30, 2020
    Publication date: August 26, 2021
    Inventors: Dong Eun Cha, Hyun Kyung Kim
  • BUOYANCY GENERATOR FOR VEHICLE
    Publication number: 20210245851
    Abstract: A buoyancy generator for a vehicle may include a housing detachably mounted on a vehicle, a buoyancy generating unit mounted in the housing and including a tube configured to be inflated and deployed to an outside of the housing and a gas supply connected to the tube and configured to supply inflation gas to the tube during operation, and a handle unit provided in the housing and having a handle to be operated to deploy the tube so that the tube floats to a water surface due to buoyancy of the tube to allow an occupant gripping the handle to float to the water surface together with the tube.
    Type: Application
    Filed: September 2, 2020
    Publication date: August 12, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • ASSEMBLED BODY OF VEHICLE
    Publication number: 20210245816
    Abstract: An assembled body of a vehicle may include a plurality of body parts, each of which forms a portion of the vehicle body, and forming the vehicle by being assembled during combination thereof; a magnetic module provided in each of the body portions and combining the plurality of body portions with each other by use of magnetic flow of the magnetic module; and a controller engaged to the magnetic module and configured for controlling a closed circulating magnetic path produced in the magnetic module such that the plurality of body portions is combined with each other to form the assembled body or to be separated from each other according to a control signal of the controller.
    Type: Application
    Filed: June 11, 2020
    Publication date: August 12, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Ho HWANG, Dong Eun CHA, Sang Heon LEE
  • Three-dimensional cooling type hot-stamping method and system and vehicle structural member manufactured by the same
    Patent number: 11078551
    Abstract: A hot-stamping method may include a three-dimensional cooling mode in which, when a closed-section product placed in an upper mold and a lower mold that are coupled each other is heat-treated under control of a controller, an external cooling water direct spraying operation of directly spraying cooling water onto an external portion of the closed-section product is performed and, simultaneously, an internal cooling water direct spraying operation of directly spraying cooling water into an internal of the closed-section product is performed.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 3, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Sungwoo Hitech Co., Ltd.
    Inventors: Hyun-Gyung Kim, Dong-Eun Cha, Jin-Young Yoon, Dae-Jung Kim
  • Display device
    Patent number: 11075252
    Abstract: A foldable display device includes: a first substrate, a first thin-film transistor layer on the first substrate, a light emitting element layer on the first thin-film transistor layer, and a fingerprint sensor layer to receive light reflected by an external object. The fingerprint sensor layer includes: a second substrate under the first substrate, a second thin-film transistor layer under the second substrate, and a light receiving element layer under the second thin-film transistor layer.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: July 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Go Eun Cha, Keum Dong Jung, Suk Kim, Soo Jung Lee
  • Mobility connection system
    Patent number: 11052713
    Abstract: A mobility connection system including a left driveshaft and a right driveshaft having an internally hollow shaft shape, and connected to a left wheel portion and a right wheel portion, respectively; a connection shaft having a shaft shape provided inside the left driveshaft or inside the right driveshaft, and slid to the outside of a vehicle to be inserted into and coupled to the inside of the driveshaft of another vehicle which is disposed adjacent to the side thereof when the vehicle is laterally coupled to another vehicle; and a wheel detecting sensor provided at the left side or the right side of the vehicle, and for detecting whether the driveshafts facing each other when the vehicle is coupled to another vehicle have been aligned with each other or the spacing distance therebetween is formed.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: July 6, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Heon Lee, Jin Ho Hwang, Dong Eun Cha
  • PHARMACEUTICAL COMPOSITION COMPRISING RECOMBINANT HGH FOR THE TREATMENT OF GROWTH HORMONE DEFICIENCY
    Publication number: 20210177945
    Abstract: Provided is a method for administering a recombinant human growth hormone GX-H9 for treating growth hormone deficiency. Particularly, the present disclosure relates to a pharmaceutical composition for treating growth hormone deficiency, containing a recombinant hGH GX-H9 and a pharmaceutically acceptable carrier, in which the recombinant GX-H9 is administered once a week with a dosage of 0.1 to 0.3 mg per weight kg of a patient or twice-monthly with a dosage of 0.1 to 0.4 mg per weight kg of the patient. Further, the present disclosure relates to a method for treating growth hormone deficiency including administering an recombinant hGH GX-H9 to a patient with growth hormone deficiency once a week with a dosage of 0.1 to 0.3 mg per weight kg of the patient or twice-monthly with a dosage of 0.1 to 0.4 mg per weight kg of the patient.
    Type: Application
    Filed: February 16, 2017
    Publication date: June 17, 2021
    Inventors: Tae Kyung Kim, Young_Joo Ahn, Jung Won Woo, Ji-Eun Cha, Joan Yoon Ji Lee, Woo Ick Jang
  • RETRACTABLE TABLE
    Publication number: 20210178949
    Abstract: A retractable table may include a table body wound around the retraction mechanism in the housing when accommodated and drawn out and unfolded to the outside of the housing through the accommodation hole when drawn out, and a support mechanism provided at a side end portion of the table body, including a plurality of pieces, each of which is folded to overlap the table body or unfolded from the table body, and including magnetic bodies provided on the pieces to provide rigidity such that, when the table body is deployed, the pieces are connected to each other through the magnetic bodies to maintain the deployed state of the table body.
    Type: Application
    Filed: April 22, 2020
    Publication date: June 17, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • METHOD OF MANUFACTURING VEHICLE PART AND VEHICLE PART MANUFACTURED THEREBY
    Publication number: 20210130971
    Abstract: Disclosed are a method of manufacturing a vehicle member including pretreating the surface of an electrically conductive plastic molded product and forming a metal plating layer on the molded product, wherein the metal plating layer includes a copper plating layer, a nickel plating layer and a chromium plating layer, which are sequentially formed, and a vehicle member manufactured by the method.
    Type: Application
    Filed: July 16, 2020
    Publication date: May 6, 2021
    Inventors: Hyun Kyung Kim, Dong Eun Cha, Jin Young Yoon, Hai Chang Lee, Sun Young Park
  • SYSTEM AND METHOD OF CONTROLLING PATTERN SKIN LIGHTING DEVICE FOR VEHICLE
    Publication number: 20210129745
    Abstract: A method of controlling a pattern skin lighting device for a vehicle is provided. The method includes generating a plurality of random numbers and accumulating the number of continuous turn-on times for each lightening cell in an arrangement of the lightening cells configuring a pattern skin lighting device. Additionally, the method includes selecting a turn-on target lightening cell, lightening cells having an accumulative value of the number of continuous turn-on times that is a predetermined reference value or less, among the lightening cells corresponding to the generated random number, and turning on a light emitting element of the selected turn-on target lightening cell.
    Type: Application
    Filed: May 27, 2020
    Publication date: May 6, 2021
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee, Julliana Cho, Jin Seok Seo, Byoung Oh Choi
  • SYSTEM AND METHOD OF CONTROLLING SURROUNDING LAMP SYSTEM OF VEHICLE
    Publication number: 20210129741
    Abstract: A system and method of controlling a surrounding lamp system of a vehicle are provided. The method includes sensing an approach of the user to the vehicle acquiring an image of the user with respect to a vehicle body, when the user approaches the vehicle body. A motion of the user, the motion having directionality with respect to the vehicle body is determined from the image and a surrounding lamp is then operated based on the motion having directionality with respect to the vehicle body.
    Type: Application
    Filed: May 27, 2020
    Publication date: May 6, 2021
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee, Julliana Cho, Jin Seok Seo, Byoung Oh Choi
  • PATTERN SKIN LIGHTING DEVICE OF VEHICLE
    Publication number: 20210129744
    Abstract: A pattern skin lighting device of a vehicle may include a plurality of lightning cells disposed on a plane while forming a predetermined pattern. Each lightning cell includes a light emitting element, a cell pocket configured to surround the light emitting element, a cell cover configured to be pivotable with respect to the cell pocket while surrounding the light emitting element within the cell pocket, and an actuator engaged to an end of the cell cover and configured to selectively pivot the cell cover with respect to the cell pocket.
    Type: Application
    Filed: May 22, 2020
    Publication date: May 6, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun CHA, Jin Ho Hwang, Sang Heon Lee, Julliana Cho, Jin Seok Seo, Byoung Oh Choi
  • PARKING GUIDANCE SYSTEM OF PARKING LOT PROVIDED WITH CHARGING DEVICE FOR VEHICLE AND PARKING GUIDANCE METHOD USING THE SAME
    Publication number: 20210114480
    Abstract: A parking guidance system of a parking lot includes: a first license plate number recognizing device recognizing a license plate number of a vehicle entering or exiting from a parking lot; and a server classifying a priority of the vehicle and distinguishing whether the vehicle is a parking or charging use vehicle based on the license plate number, assigning a parking or charging spot based on at least one of the classified priority, information on whether the vehicle is the parking use vehicle or the charging use vehicle, or information on remaining parking spots and remaining charging spots, providing a guidance on a position of the assigned parking spot or charging spot to the vehicle until the vehicle arrives at the position, and determining a parking fee or a charging fee of the vehicle and providing a guidance on the fee when the vehicle exits the parking lot.
    Type: Application
    Filed: April 14, 2020
    Publication date: April 22, 2021
    Inventors: SANG HEON LEE, JIN HO HWANG, Dong Eun Cha
  • Method and apparatus for selectively performing full bridge control and half bridge control in wireless power transfer system using LCCL-S resonant network
    Patent number: 10974608
    Abstract: A method for selectively performing a full bridge control and a half bridge control in a WPT system using an LCCL-S resonant network may include: performing the full bridge control by controlling the switches not connected in series of the full bridge inverter to operate simultaneously; calculating a coupling coefficient of the WPT system; determining whether it is possible to switch the full bridge control to the half bridge control based on the calculated coupling coefficient; in response to determining that it is possible to switch the full bridge control to the half bridge control, calculating a load of the WPT system; and performing the half bridge control for the full bridge inverter based on the calculated load.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 13, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Jae Eun Cha, Gyu Yeong Choe, Woo Young Lee, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee, Dong Myoung Joo
  • Power reception apparatus having bridgeless rectifier in electric vehicle wireless power transfer system
    Patent number: 10960778
    Abstract: A wireless power reception apparatus including a bridgeless rectifier in a wireless power transfer (WPT) system for an electric vehicle (EV) may include: a bridgeless rectifier configured to rectify power transferred from a reception coil and to supply a direct current to a battery mounted in the EV; and a controller configured to control operation of the bridgeless rectifier. The bridgeless rectifier may include at least one switch and at least one diode connected to the at least one switch.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: March 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Jae Eun Cha, Gyu Yeong Choe, Jong Pil Kim, Min Jung Kim, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee