Patents by Inventor Dong Eun Cha

Dong 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).

  • Publication number: 20250223855
    Abstract: A door system for vehicle to provide a vehicle door capable of both a sliding and a swinging method is introduced.
    Type: Application
    Filed: May 30, 2024
    Publication date: July 10, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Heon LEE, Dong Eun CHA, Jin Ho HWANG
  • Patent number: 12344287
    Abstract: The present disclosure discloses a luggage loading device for mobility capable of improving loading convenience by automating the loading and arrangement of a luggage inside the loading space of the mobility, and a luggage loading method for mobility using the same.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: July 1, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jin Ho Hwang, Dong Eun Cha, Sang Heon Lee
  • Patent number: 12339556
    Abstract: Disclosed are a color-changing polymer composition, an ion-conductive composition, and a transparent electrode layer composition for a painting-type spray coating process, and an electrochromic device including the same. The color-changing polymer composition for an electrochromic device includes an amount of about 5 to 30 wt % of a color-changing material, an amount of about 0.01 to 1 wt % of ferrocene, an amount of about 10 to 30 wt % of a polymer matrix, an amount of about 0 to 70 wt % of an ion-conductive material, and an amount of about 1 to 10 wt % of a POSS (polyhedral oligomeric silsesquioxane) derivative, based on the total weight of the composition.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: June 24, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Pusan National University Industry-University Cooperation Foundation
    Inventors: Dong Eun Cha, Jong Seung Park, Jun Hong Choi
  • Publication number: 20250196618
    Abstract: Diversified opening and closing operations of a grille such as sequential or simultaneous operations enhance the sophistication of the opening and closing operations of the grille, contribute to the diversification of external design, and secure the airflow rate through the optimized structural arrangements. Furthermore, an external variable opening and closing apparatus that prevents jams and malfunctions of portions during the opening and closing operations of the grille to improve the reliability of the grille opening and closing operation is disclosed.
    Type: Application
    Filed: May 3, 2024
    Publication date: June 19, 2025
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI MOBIS CO., LTD.
    Inventors: Jin Young YOON, Dong Eun CHA, Hong Heui LEE, Jae Sup BYUN, Jang Ho KIM
  • Patent number: 12330729
    Abstract: A vehicle body includes an upper body forming an internal space of the vehicle and to include a door for entry and exit of an occupant provided on a side thereof, a lower body including a floor on which the upper body is located and a bumper unit extending upward along a perimeter of the floor to surround a lower portion of the upper body, wherein the bumper unit includes an opening portion which is provided at a position corresponding to a lower portion of the door of the upper body to be selectively opened, and a driving unit coupling the upper body and the lower body to each other and configured to adjust the height of the internal space by raising and lowering the upper body with respect to the lower body.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: June 17, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Heon Lee, Dong Eun Cha, Jin Ho Hwang
  • Patent number: 12292666
    Abstract: A form of a color-changeable plastic includes: a first conductive electrode layer; a color change layer disposed on the first conductive electrode layer, configured to cover a top surface of the first conductive electrode layer, and made of a substance that changes color depending on whether a voltage is applied; a second conductive electrode layer disposed on the color change laver, configured to cover a top surface and side surfaces of the color change layer, and configured to change the color of the color change layer with the first conductive electrode layer when the voltage is applied; and a conductive guide disposed at at least one of the first conductive electrode layer or the second conductive electrode layer, and configured to guide a movement of electrons and a color change direction of the color change layer when the voltage is applied.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: May 6, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Pusan National University Industry-University Cooperation Foundation
    Inventors: Dong Eun Cha, Hyun Kyung Kim, Jong Seung Park, Jun Hong Choi
  • Patent number: 12292501
    Abstract: A cover device for reducing refraction of radar radio waves includes a radio wave generator configured to generate radio waves, and a cover part disposed to allow the radio waves to be incident from the radio wave generator and having an incidence section configured to be gradually increased in thicknesses in directions away from a central axis of the radio waves, thereby improving a detection accuracy through a radar by minimizing a phase difference due to refraction of a beam emitted from the radar.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: May 6, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Dong Eun Cha
  • Patent number: 12291241
    Abstract: A transportation system includes a multipurpose vehicle in which a loading space for a mobility device and a boarding space for passengers are provided; and a control unit configured to control opening or closing of the loading space, opening or closing of the boarding space, and driving of the vehicle so that, when there is a passenger who possesses or utilizes the mobility device among passengers, opening or closing of the loading space, opening or closing of the boarding space, and driving of the vehicle interwork with each other.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: May 6, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Eun Cha, Sang Heon Lee, Jin Ho Hwang
  • Publication number: 20250121894
    Abstract: A dual spoiler apparatus changes a tilting angle and a length of an air spoiler to control the air flow to the rear of a vehicle, so as to improve aerodynamic performance and simplify parts for tilting and length change. The dual spoiler apparatus includes: a first spoiler device configured to slide on a spoiler mounting portion in a first direction; a second spoiler device configured to tilt on the spoiler mounting portion in a second direction; and a driving device configured to switch a sliding position of the first spoiler device and a tilting position of the second spoiler device.
    Type: Application
    Filed: March 19, 2024
    Publication date: April 17, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SHB Automotive Module Co., Ltd.
    Inventors: Hong Heui Lee, Jin Young Yoon, Dong Eun Cha, Dong Ha Kim, Jeong Bok Lee, Sung Hoon Son, Bo Hwan Cha
  • Publication number: 20250115317
    Abstract: A vehicle body includes a floor frame configured to allow driving parts of a vehicle and wheels thereof to be mounted thereon, a fixed interior part mounted on the floor frame and fixed thereto, a swappable interior part having a lower portion detachably mounted on the floor frame and one side detachably mounted on the fixed interior part, wherein the swappable interior part is replaceable depending on a purpose of use of the vehicle, and a magnetic module provided between the swappable interior part and the floor frame or between the swappable interior part and the fixed interior part and configured to selectively apply fixing force to the swappable interior part according to a flow of current flowing through a coil.
    Type: Application
    Filed: March 15, 2024
    Publication date: April 10, 2025
    Inventors: Jin Ho Hwang, Sang Heon Lee, Dong Eun Cha, Jae Seung Lee
  • Publication number: 20250119075
    Abstract: In an embodiment, an energy harvesting apparatus includes a housing, a blade, and a power generation unit, which may include a power generation motor and a piezoelectric power generator. In the energy harvesting apparatus according to an embodiment, electrical energy can be generated by rotation of a blade by a slipstream generated during travel of a mobility vehicle. Electrical energy can be additionally generated by pressure and impact generated during rotation of the blade. When the blade is rotated at high speed as the driving speed of the mobility vehicle increases, pressure and impact can be reduced, thereby preventing damage to the blade or a piezoelectric element and thus improving the durability thereof.
    Type: Application
    Filed: March 14, 2024
    Publication date: April 10, 2025
    Inventors: Jin Young Yoon, Hong Heui Lee, Dong Eun Cha, Dong Ha Kim, Je Yeop Lim, Bo Hwan Cha
  • Publication number: 20250116255
    Abstract: In an embodiment, an energy harvesting apparatus includes a housing, a first power generation unit, and a second power generation unit. In the energy harvesting apparatus according to an embodiment, electrical energy can be generated by rotation of a blade by a slipstream generated during travel of a mobility vehicle. Electrical energy can be additionally generated by pressure and impact generated during rotation of the blade. When the blade is rotated at high speed as driving speed of the mobility vehicle increases, pressure and impact can be reduced, thereby preventing damage to the blade or a piezoelectric element and thus improving the durability thereof.
    Type: Application
    Filed: March 15, 2024
    Publication date: April 10, 2025
    Inventors: Jin Young Yoon, Hong Heui Lee, Dong Eun Cha, Dong Ha Kim, Je Yeop Lim, Bo Hwan Cha
  • Patent number: 12263892
    Abstract: An active air skirt apparatus for a mobility is configured to control an airflow beneath the mobility according to a driving situation of the mobility to ensure optimal aerodynamic performance in the mobility having a flat lower portion for loading a high-voltage battery. That is, improvement of airflow to the front wheel and rear wheel along with improvement of airflow beneath the mobility in each driving situation optimizes the aerodynamic performance of the mobility, thereby ensuring mileage and improving attitude stability of the mobility.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: April 1, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jin Young Yoon, Myung Eun Kim, Dong Eun Cha, Hong Heui Lee
  • Patent number: 12252178
    Abstract: A hood-integrated vehicle body in which a hood, a bumper, and a fender are integrally formed into a single component so as to reduce the weight thereof is disclosed. The hood-integrated vehicle body includes a front vehicle body part, which is constructed such that a hood is integrally and rotatably connected to a front portion of the front vehicle body part and is openable at a rear side thereof, a lifting unit mounted to the front part of the vehicle so as to rotate the hood, and a locking unit, which is mounted to the front part of the vehicle so as to selectively engage the hood with the front part of the vehicle such that the engagement of the hood is released so as to allow the hood to be opened by means of the lifting unit upon manipulation for opening the hood.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: March 18, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI MOBIS CO., LTD.
    Inventors: Dong Eun Cha, Jin Young Yoon, Hong Heui Lee, Seong Kwon Kim
  • Patent number: 12241604
    Abstract: A vehicle light includes: a light lens having a base panel made of a transparent plastic material, an outer paint layer disposed on an outer surface of the base panel, and an inner paint layer disposed on an inner surface of the base panel and including a light-transmitting hole formed therein; and a light source installed to be spaced apart from the light lens, in which light from the light source is transmitted out of the light lens through the light-transmitting hole and the base panel.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: March 4, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CORPORATION
    Inventors: Sung Ho Park, Dong Eun Cha, Dong Woo Kim, Young Ho Jo, Tae Seok Seo
  • Patent number: 12227119
    Abstract: A storage vehicle for a mobility includes a seat provided inside the storage vehicle and spaced from a floor of the storage vehicle upward to form a separation space below the seat; a storage slot formed in the separation space below the seat, opened to an external side of the storage vehicle through a portion of a sidewall of the storage vehicle, and configured to store the mobility therein; a door provided in the opening portion of the storage slot; and an opening/closing portion provided on a side of the door and configured to operate the door upward or downward to open or close an opening portion of the storage slot.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: February 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dong Eun Cha, Sang Heon Lee, Jin Ho Hwang
  • Patent number: 12179653
    Abstract: A management system for a micro mobility vehicle, includes a service vehicle which is configured to travel along a movement path, wherein the service vehicle includes an accommodation slot for accommodating the micro mobility vehicle, and is configured for exchanging power with the micro mobility vehicle when the micro mobility vehicle is accommodated in the accommodation slot; and a management server configured to communicate with the micro mobility vehicle and the service vehicle to determine a location and a charging amount of the micro mobility vehicle and configured to manage charging and arrangement of the micro mobility vehicle by guiding the service vehicle to allow the micro mobility vehicle to be accommodated in the service vehicle or withdraw the micro mobility vehicle from the service vehicle.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: December 31, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dong Eun Cha, Sang Heon Lee, Jin Ho Hwang
  • Publication number: 20240417002
    Abstract: A floor module for a vehicle includes a plurality of tile portions configured to cover a vehicle floor of a vehicle and sequentially aligned by being coupled in a transverse direction, a plurality of fixing portions provided below the tile portions, connected to the tile portions in an upward and downward direction, and sequentially aligned by being coupled in the transverse direction, and a plurality of mounting portions provided above the vehicle floor and configured to support the tile portions and the fixing portions from below by being connected to the fixing portions in the upward and downward direction in a state in which the tile portions and the fixing portions are matched.
    Type: Application
    Filed: November 7, 2023
    Publication date: December 19, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Jin Ho HWANG, Sang heon LEE, Dong Eun CHA, Jin Man PARK, Eun Gook KIM, Hyoung Jun KIM
  • Publication number: 20240399857
    Abstract: A variable-type grille apparatus may be configured for controlling the airflow rate passing through the grille and enhances marketability through advanced opening and closing operations during airflow rate control. That is, by diversifying the opening and closing operations of the grille including sequential operations, simultaneous operations, or the like, the opening and closing operations of the grille are advanced, the external designs are diversified, and the airflow rate is secured through an optimized structural arrangement. Furthermore, preventing jamming and malfunctions of components during opening and closing operations enhances the reliability of the opening and closing operations of the grille.
    Type: Application
    Filed: October 26, 2023
    Publication date: December 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI MOBIS CO., LTD.
    Inventors: Jin Young YOON, Dong Eun CHA, Hong Heui LEE, Jae Sup BYUN, Jang Ho KIM
  • Publication number: 20240400139
    Abstract: An active air skirt apparatus includes a base fixed to a vehicle body; a link portion including a plurality of links connected to be rotatable in a transverse direction; a drive portion mounted on the base, connected to the links of the link portion, and configured to generate rotational power to rotate the plurality of links; and a skirt provided on the base to be movable in an upward and downward direction and connected to the links of the link portion, the skirt being configured to be moved to a retracted position when the plurality of links is folded by operation of the drive portion, and moved to an extended position when the plurality of links is unfolded.
    Type: Application
    Filed: November 6, 2023
    Publication date: December 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI MOBIS CO., LTD. Seoul
    Inventors: Jin Young YOON, Chang Young LEE, Hong Heui LEE, Geon Hwi LIM, Dong Eun CHA, Myung Eun KIM, Jae Sup BYUN, Jang Ho KIM