Patents by Inventor Ki Cho

Ki Cho 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: 20210230098
    Abstract: Provided is a plasticizer composition including: a cyclohexane-1,2-diester-based substance of the following Chemical Formula 1; and a citrate-based substance of the following Chemical Formula 2: wherein in Chemical Formula 1 and Chemical Formula 2: R1 and R2 each independently are a C8 to C10 alkyl group; and R3 to R5 each independently are a C5 to C10 alkyl group.
    Type: Application
    Filed: May 30, 2019
    Publication date: July 29, 2021
    Inventors: Hyun Kyu KIM, Seok Ho JEONG, Woo Hyuk CHOI, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM
  • Publication number: 20210221976
    Abstract: A plasticizer composition which includes a lower non-hybrid-type cyclohexane triester, a lower hybrid-type cyclohexane triester, a higher hybrid-type cyclohexane triester, and a higher non-hybrid-type cyclohexane triester, wherein the alkyl groups of the cyclohexane triesters are a combination of C3-C6 alkyl groups and C7-C10 alkyl groups. When the plasticizer composition is applied to a resin, stress resistance and mechanical properties are maintained at an equivalent level or improved, migration properties, volatile loss characteristics, and plasticization efficiency are balanced, and light resistance and heat resistance are significantly improved.
    Type: Application
    Filed: October 29, 2019
    Publication date: July 22, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Woo Hyuk CHOI
  • Patent number: 11067298
    Abstract: Disclosed is an air conditioner to prevent deterioration of cooling or heating performance caused by re-introduction of cooling or heating air into a heat exchanger. The air conditioner includes a housing including an air discharge plate having a plurality of holes and an outlet, a heat exchanger located inside the housing, a blower fan configured to blow air heat-exchanged with the heat exchanger toward the air discharge plate or the outlet, a blade rotating between a guide position to guide a direction of air blown from the blower fan and discharged through the outlet and a closing position to close the outlet, wherein the blade includes a first blade and a second blade spaced apart from the first blade and configured to guide air blown from the blower fan toward the air discharge plate when the first blade is located at the closing position.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: July 20, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Jun Kim, Dae Dong Kim, Se Woong Youn, Chang Heon Lee, Min Gu Jeon, Sang Ki Cho, Do-Hoon Kim, Jong Moon Lee, Jun Hwang, Keun Jeong Jang, Jung Won Kim, Se Joo Na, Bu Youn Lee, Hyeong Kyu Cho
  • Patent number: 11054152
    Abstract: An air conditioner includes a heat exchanger configured to exchange heat with air introduced into a housing and a blowing fan configured to blow the air which is heat-exchanged with the heat exchanger to outside of the housing. The air conditioner may control a first and a second doors configured to open or close a first and second blowing ports provided in the housing and a guide blade configured to control paths in the housing, so that the air conditioner may blow the air of various flow.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
  • Patent number: 11034262
    Abstract: A seat cushion extension device is provided which can slide a seat cushion via a single spring, and has high assembly efficiency and a low weight due to a simple structure. The seat cushion extension device includes: a base having first and second rack gears provided to face each other; a cushion part provided on an upper portion of the base to move forward/backward; a locking gear part combined with a shaft extending from the cushion part to the base and having a first gear provided to be engaged with the first and second rack gears; and a manipulation part combined with the cushion part to move forward/backward between the cushion part and the first gear, and having a protruding part provided on a lower surface thereof.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: June 15, 2021
    Assignee: DAECHANG SEAT CO., LTD
    Inventors: Jeong Soo Kim, Chan Ki Cho, Myung Soo Lee
  • Publication number: 20210162901
    Abstract: Proposed is a lumbar support assembly having an air bladder and components for operating the air bladder and facilitating the assembly and maintenance thereof. The lumbar support assembly includes: a suspension mat having a first hole formed at the inner side thereof, and having a second hole formed at one edge thereof; an air bladder having a first clip hole, which is formed at one edge thereof and overlaps with the first hole; a pouch including a pump and having a second clip hole, which is formed at one edge thereof and overlaps with the second hole; a fixing clip that can be mounted in the first clip hole or the second clip hole; and an electronic valve which has a first tube connected to the air bladder and a second tube connected to the pump and which is coupled to the rear surface of the suspension mat.
    Type: Application
    Filed: June 24, 2019
    Publication date: June 3, 2021
    Inventors: Chan Ki CHO, Jin Oh KIM, Kyoung Min CHO
  • Publication number: 20210155788
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 27, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG
  • Publication number: 20210138944
    Abstract: Disclosed are a seat frame assembly and a method of manufacturing the same whereby adhesion of a reinforcing material attached to a seat frame is improved to secure rigidity of the seat frame and process speed is improved. According to one embodiment disclosed herein, seat frame assembly includes: a frame configured such that a portion of each of opposite sides is bent forward, and supporting an upper body of an occupant; and side members joined to the opposite sides of the frame, respectively, each of the side members including a groove formed in a surface being in close contact with the frame, wherein a portion of the frame that is surface-joined to each of the side members is provided with a protrusion inserted into the groove.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 13, 2021
    Inventors: Chan Ki Cho, Hyun Chul Woo, Kyoung Min Cho, Hun Yeong Jun
  • Publication number: 20210129712
    Abstract: A seat apparatus for a vehicle is provided, wherein a base bracket and a moving bracket are mounted to a body floor to lift and lower a seat, and a seat track is mounted to the moving bracket to move the seat in forward and rearward directions, so that the seat is moved and lifted and lowered. Accordingly, since the lifting/lowering structure of the seat is mounted to the body floor, space is secured below the seat, so indoor atmosphere is improved due to the increase of the space efficiency.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 6, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., LTD-Dongtan
    Inventors: Hyung Jin PARK, Guk Mu PARK, Byeong Kwang KIM, Sang Uk YU, So Young YOO, Seon Chae NA, Byung Yong CHOI, Myung Soo LEE, Chan Ki CHO, Gyeong Jae LEE
  • Publication number: 20210130577
    Abstract: A plasticizer composition and a resin composition including the same. The plasticizer composition includes a terephthalate-based material including a mixture of dibutyl terephthalate, butyl(2-ethylhexyl) terephthalate and di(2-ethylhexyl) terephthalate; and a glyceride-based material. The plasticizer composition has improved physical properties such as tensile strength, elongation rate and modulus and also has excellent properties attributable to the inclusion of a terephthalate-based material, such as excellent transmittance, transparency and migration loss properties.
    Type: Application
    Filed: December 4, 2018
    Publication date: May 6, 2021
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Yun Ki Cho, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20210115028
    Abstract: Provided is a plasticizer composition, including: a cyclohexane-1,2-diester-based substance in which two alkyl groups are bonded to the ester groups, and the alkyl groups each independently are a C4 to C12 alkyl group; and an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 1: wherein in Chemical Formula 1: R1 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R2 is a C4 to C10 alkyl group.
    Type: Application
    Filed: May 29, 2019
    Publication date: April 22, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM
  • Publication number: 20210094402
    Abstract: The present disclosure provides a mount for a vehicle that is provided at a portion at which damping performance is desired and that is fastened by a stud bolt. The mount for the vehicle includes a flange into which the stud bolt is inserted and that supports the stud bolt, an insulator configured to surround the flange, a housing coupled to the other one of the vibrating body or the supporting body and to which the insulator is fixed, a chamber formed inside the housing as a space surrounded by the housing and the insulator, and the chamber is filled with a fluid. In addition, the mount for the vehicle includes a damping part mounted on the housing to divide the chamber into two spaces and to be disposed in the chamber. The mount for the vehicle is configured to appropriately absorb vibrations and reduce noise.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 1, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sungwon Seo, Wang Jian Wen, Woon Ki Cho
  • Publication number: 20210070360
    Abstract: An apparatus and a method are configured for estimating a slope angle of a road. The slope angle of a road is estimated based on a longitudinal slope angle of the road which is calculated based on a Kinematic model, an effective weight corresponding to a control amount of a driver and a filter constant to estimate the slope angle of the road with higher precision in the case of a U-turn, rapid acceleration, or rapid deceleration in which a longitudinal acceleration of the vehicle is remarkably increased. The apparatus includes a controller to estimate the slope angle of the road, based on a longitudinal slope angle of the road which is calculated based on a Kinematic model, an effective weight corresponding to a control amount of a driver and a filter constant, and an output device to output the estimated slope angle of the road.
    Type: Application
    Filed: April 21, 2020
    Publication date: March 11, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Heon Lee, Wan Ki Cho
  • Publication number: 20210010711
    Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Ki CHO, Ki Jun KIM, Dae Dong KIM, Chang Heon LEE, Moon Sun SHIN, Young Lae JO
  • Publication number: 20210002204
    Abstract: Provided is a plasticizer composition, comprising: a cyclohexane-1,4-diester-based substance of the following Chemical Formula 1; an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 2; and a citrate-based substance of the following Chemical Formula 3: wherein in Chemical Formula 1 to Chemical Formula 3: R1 and R2 each independently are a C8 alkyl group; R3 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R4 to R7 each independently are a C4 to C10 alkyl group.
    Type: Application
    Filed: June 3, 2019
    Publication date: January 7, 2021
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Seok Ho JEONG, Yun Ki CHO, Joo Ho KIM
  • Patent number: 10865289
    Abstract: The present invention relates to a plasticizer composition, a resin composition and methods of preparing the same, and provides a plasticizer which is environmentally friendly so as to be suitable for use, exhibits excellent transparency and adhesiveness, and can be improved in basic properties such as tensile strength, an elongation rate, hardness and the like when used as a plasticizer for a resin composition, and a resin composition including the same.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20200376993
    Abstract: The disclosure relates to a lumbar support assembly, wherein the inclination of a mat is controlled by upward and downward movement of a single nut, thereby making it possible to reducing weight and manufacturing cost of the assembly. According to one embodiment of disclosed herein, a lumbar support assembly includes: a mat having opposite sides that are rotatably connected to opposite sides of a seat frame, respectively; a driving unit coupled to the mat, and including a nut that is configured to be moved upward and downward; and a tension unit having first and second sides that are respectively coupled to the first and second sides of the seat frame, and coupled to the nut while surrounding a rear portion of the mat, wherein the nut allows the mat to be moved frontward or rearward by pulling or loosening the tension unit according to direction of movement.
    Type: Application
    Filed: May 12, 2020
    Publication date: December 3, 2020
    Inventors: Hun Yeong JUN, Hyun Chul WOO, Lyang Sun KIM, Jin Oh KIM, Chan Ki CHO
  • Patent number: 10851219
    Abstract: The present invention relates to a plasticizer composition, a resin composition, and methods for preparing the same. The present invention can provide: a plasticizer capable of improving properties, such as plasticization efficiency, transitivity, tensile strength, elongation, and tension/elongation retention, required when a resin composition is used as a plasticizer, by improving poor properties caused due to structural limitations; and a resin composition containing the same.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10851220
    Abstract: A plasticizer composition and a resin composition including the same. The plasticizer composition includes a terephthalate-based material including a mixture of dibutyl terephthalate, butyl(2-ethylhexyl) terephthalate and di(2-ethylhexyl) terephthalate; and a triethylene glycol diester-based material including a mixture of triethylene glycol bis(2-ethylhexanoate), (2-ethylhexanoyloxy) triethylene glycol benzoate and triethylene glycol dibenzoate. A material prepared from the resin composition has excellent mechanical properties, such as tensile strength, elongation rate, modulus, transmittance, transparency and plasticization efficiency.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Patent number: 10848008
    Abstract: The disclosure disclosed herein provides a wireless power transmission device that wirelessly transmits power to electronic equipment coupled to a seat regardless of a position of the seat. According to an embodiment of the disclosure disclosed herein, a wireless power transmission device includes a power receiving unit coupled to a lower portion of a seat, and a power transmitting unit spaced apart from and below the power receiving unit, in which the power receiving unit is spaced apart from the power transmitting unit and slides into a moving direction of the seat, and the power receiving unit wirelessly receives power from the power transmitting unit and supplies power to electronic equipment installed in the seat.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 24, 2020
    Inventors: Chan Ki Cho, Hyun Chul Woo