Patents by Inventor Seok Hwan Kim

Seok Hwan Kim 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).

  • METALLOCENE SUPPORTED CATALYST AND METHOD FOR PREPARING OLEFINE POLYMER USING THE SAME
    Publication number: 20220403062
    Abstract: Provided are a metallocene supported catalyst capable of greatly reducing generation of fine powder during preparation of olefin polymers while exhibiting excellent catalyst activity, and a method of preparing olefin polymers using the same.
    Type: Application
    Filed: September 29, 2021
    Publication date: December 22, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Jinmyung CHA, Daesik HONG, Sangeun AN, Seok Hwan KIM
  • SEAT POWER SUPPLY DEVICE FOR VEHICLE AND POWER SUPPLY METHOD USING THE SAME
    Publication number: 20220379827
    Abstract: The present disclosure relates to a power supply device, and more specifically, to a seat power supply device including an improved power supply structure for a vehicle seat. The seat power supply device includes a pogo pin assembly fixed to a vehicle and electrically connected to a power source; and a distribution element electrically connected to the pogo pin assembly and configured to supply power from the power source to an electronic part of a seat.
    Type: Application
    Filed: December 3, 2021
    Publication date: December 1, 2022
    Inventors: So Young Yoo, Sang Ho Kim, Seok Hwan Kim, Seon Chae Na, Young Bok Sung, Hyeong Jong Kim
  • Method of preparing supported metallocene catalyst and method of preparing polypropylene using catalyst prepared thereby
    Patent number: 11504706
    Abstract: Provided are a method of preparing a supported metallocene catalyst, and a method of preparing polypropylene using the catalyst prepared thereby. According to the present invention, provided is a supported metallocene catalyst capable of preparing an isotactic polypropylene polymer having a low xylene soluble content while having excellent catalytic activity.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 22, 2022
    Inventors: Byung Seok Kim, Insun Lee, Seok Hwan Kim, Hye Kyung Lee, Heekwang Park, Daesik Hong, Sangjin Jeon
  • POWER SUPPLY AND SIGNAL TRANSMISSION DEVICE FOR VEHICLE SEAT RAIL
    Publication number: 20220289079
    Abstract: A power supply and signal transmission device for a vehicle seat rail is provided. The device includes a contact-type power supply unit configured to supply power to an electrical device mounted on a seat, and a contact-type signal transmission unit configured to transfer seat drive control signals. The contact-type power supply unit and the contact-type signal transmission unit are directly mounted on the seat rail.
    Type: Application
    Filed: July 1, 2021
    Publication date: September 15, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co., LTD-Dongtan
    Inventors: So Young YOO, Hyeong Jong KIM, Han Su YOO, Seon Chae NA, Sang Ho KIM, Seok Hwan KIM, Tae Hong HAN, Sang Yeong PARK
  • Propylene-Ethylene Random Copolymer
    Publication number: 20220213303
    Abstract: The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.
    Type: Application
    Filed: June 11, 2020
    Publication date: July 7, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byung Seok Kim, Insun Lee, Seok Hwan Kim, Jung Won Lee, Donghyeon Gwon, Seyoung Kim, Heekwang Park, Jihwa Ye
  • Transition metal compound and method for preparing polypropylene using the same
    Patent number: 11370851
    Abstract: The present disclosure provides a novel transition metal compound which exhibits excellent catalytic activity and is useful in the preparation of a polypropylene having high impact strength, and a method for preparing a homo polypropylene using the same.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: June 28, 2022
    Inventors: Byung Seok Kim, Insun Lee, Seok Hwan Kim, Hye Kyung Lee, Sangjin Jeon, Seyoung Kim
  • Apparatus for adjusting height of headrest for motor vehicle
    Patent number: 11364830
    Abstract: An apparatus of adjusting height of a headrest for a motor vehicle is provided. By forming the headrest with two divided parts, a rear portion fastened to a seatback by a stay and a front portion assembled to the rear portion movably in an up and down direction, the apparatus allows an occupant to adjust the height of the front portion according to his or her body size or preference, and thus is configured for comfortably supporting the head or neck portion of the occupant with the front portion regardless of the body size of the occupant.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: June 21, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Woobo Tech Co., Ltd.
    Inventors: Tae Hee Won, Sang Ho Kim, Byeong Kwang Kim, Seok Hwan Kim, Hae II Jeong
  • Transition Metal Compound and Catalyst Composition Comprising the Same
    Publication number: 20220185916
    Abstract: The present disclosure relates to a novel transition metal compound represented by the following Chemical Formula 1, which exhibits excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a high melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, and R1 to R8 are described herein.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 16, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byung Seok Kim, Insun Lee, Seok Hwan Kim, Jung Won Lee, Donghyeon Gwon, Sangjin Jeon, Seyoung Kim, Heekwang Park
  • FORCE SENSING DEVICE AND ELECTRONIC DEVICE INCLUDING FORCE SENSING DEVICE
    Publication number: 20220170805
    Abstract: A force sensing device includes a support member including: a sensor support portion to which a force sensor is coupled on one surface of the support member; and a frame coupling portion extending from the sensor support portion. The force sensing device further includes: a frame disposed to face another surface of the support member, and disposed to be spaced apart from the support member; and at least one spacing member disposed between the support member and the frame, and spacing the support member apart from the frame. The force sensor is not disposed in the frame coupling portion. The spacing member is disposed between the frame coupling portion and the frame.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Man KIM, Se Yeon HWANG, Kyung Ho LEE, Seok Hwan KIM, Chul Kyu KIM, Han KIM
  • LENS ASSEMBLY
    Publication number: 20220171154
    Abstract: A lens assembly includes: a lens barrel; a lens accommodated in the lens barrel; and a fixing member disposed on one side of the lens and configured fix the lens to the lens barrel. The fixing member has an open ring shape.
    Type: Application
    Filed: March 24, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Yeon HWANG, Seok Hwan KIM, Tae Ho YUN, Kyung Ho LEE
  • HYBRID SUPPORTED METALLOCENE CATALYST AND METHOD OF PREPARING POLYPROPYLENE USING THE SAME
    Publication number: 20220144983
    Abstract: Provided are a hybrid supported metallocene catalyst comprising one or more first metallocene compounds selected from compounds represented by the following Chemical Formula 1; one or more second metallocene compounds selected from compounds represented by the following Chemical Formula 2, and showing high activity in propylene polymerization and being usefully applied to the preparation of a polypropylene having high melt strength by introducing long chain branches into the polypropylene molecule, and a method of preparing a polypropylene using the same wherein all the variables are described herein.
    Type: Application
    Filed: June 11, 2020
    Publication date: May 12, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Sangeun An, Insun Lee, Seok Hwan Kim, Byung Seok Kim, Daesik Hong, Sanghoon Lee
  • APERTURE MODULE AND CAMERA MODULE
    Publication number: 20220128832
    Abstract: An aperture module includes: a base; a rotating plate rotatably disposed on the base; and blades configured to form an incident hole and move by rotation of the rotating plate to change a size of the incident hole. The blades are disposed in an opening disposed inside the rotating plate.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 28, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Yeon HWANG, Seok Hwan KIM
  • Transition Metal Compound, Catalyst Composition and Method for Preparing Polypropylene Using the Same
    Publication number: 20220098225
    Abstract: The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, R1 to R9 are described herein.
    Type: Application
    Filed: March 4, 2020
    Publication date: March 31, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Insun Lee, Seok Hwan Kim, Byung Seok Kim, Donghyeon Gwon, Sangjin Jeon, Seyoung Kim
  • Polypropylene and Method for Preparing the Same
    Publication number: 20220098338
    Abstract: The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seok Hwan Kim, Hyunsup Lee, Seong Min Chae, Taejin Kim, Dae Sik Hong, Sang Jin Jeon, Hee Kwang Park
  • Hybrid Supported Metallocene Catalyst and Method for Preparing Polypropylene Using the Same
    Publication number: 20220056163
    Abstract: The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 24, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Sanghoon Lee, Sangeun An, Seok Hwan Kim, Daesik Hong, Donghyeon Gwon
  • APPARATUS FOR ADJUSTING HEIGHT OF HEADREST FOR MOTOR VEHICLE
    Publication number: 20220048420
    Abstract: An apparatus of adjusting height of a headrest for a motor vehicle is provided. By forming the headrest with two divided parts, a rear portion fastened to a seatback by a stay and a front portion assembled to the rear portion movably in an up and down direction, the apparatus allows an occupant to adjust the height of the front portion according to his or her body size or preference, and thus is configured for comfortably supporting the head or neck portion of the occupant with the front portion regardless of the body size of the occupant.
    Type: Application
    Filed: January 5, 2021
    Publication date: February 17, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Woobo Tech Co., Ltd.
    Inventors: Tae Hee WON, Sang Ho Kim, Byeong Kwang Kim, Seok Hwan Kim, Hae II Jeong
  • Polypropylene and method for preparing the same
    Patent number: 11248072
    Abstract: The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 15, 2022
    Inventors: Seok Hwan Kim, Hyunsup Lee, Seong Min Chae, Taejin Kim, Dae Sik Hong, Sang Jin Jeon, Hee Kwang Park
  • Polyolefin
    Publication number: 20210395411
    Abstract: The present invention relates to polyolefin. More specifically, the present invention relates to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency, and such polyolefin has a density of 0.915 g/cm3 to 0.930 g/cm3 measured according to ASTM D1505; a nd has an ethylene sequence inhomogeneity(I) calculated by the following Equation 1 of 1.25 to 1.40, when analyzed by SSA(Successive Self-nucleation and Annealing): Inhomogeneity (I)=Lw/Ln ??[Equation 1] in the Equation 1, Lw is weighted average(unit: nm) of ESL(Ethylene sequence length), and Ln is arithmetic m ean(unit: nm) of ESL(Ethylene sequence length).
    Type: Application
    Filed: December 20, 2019
    Publication date: December 23, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jinyoung Lee, Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Seok Hwan Kim, Daesik Hong
  • Novel Transition Metal Compound and Method of Preparing Polypropylene Using the Same
    Publication number: 20210332075
    Abstract: Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, R1 to R10, X1 and X2, Y1 and Y2 and m are described herein.
    Type: Application
    Filed: June 10, 2020
    Publication date: October 28, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Insun Lee, Seok Hwan Kim, Byung Seok Kim, Donghyeon Gwon, Seyoung Kim
  • Semiconductor device and semiconductor system
    Patent number: 11132308
    Abstract: Provided are a semiconductor device and a semiconductor system. A semiconductor device includes a non-volatile memory; a device interface circuit which receives an input/output (I/O) request from a host; and a device controller which executes a data access according to the I/O request on the non-volatile memory, and transmits an interrupt to the host a predetermined time before completion of the data access.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul Lee, Kyung Ho Kim, Seok Hwan Kim, Joo Young Hwang