Patents by Inventor Su Hyeon HAN

Su Hyeon HAN 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: 20240154165
    Abstract: An electrolyte additive comprising a compound represented by Formula 1 below forms a coating film on an electrode surface in the activation of a secondary battery, thereby the generation of a large amount of gas under a high temperature condition can be prevented, and a cell OCV drop and a decrease in capacity retention rate, which are caused by elution of metal ions from an electrode, can be effectively prevented, resulting in effective improvement in durability, performance and high-temperature safety of the battery, wherein R1, R2, and M are described herein.
    Type: Application
    Filed: October 21, 2022
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: You Kyeong Jeong, Kyoung Ho Ahn, Jun Hyeok Han, Won Kyung Shin, Won Tae Lee, Su Hyeon Ji, Young Ho Oh
  • Publication number: 20240136579
    Abstract: Disclosed herein relates to an electrolyte composition and a lithium secondary battery including the same, wherein the electrolyte composition can not only effectively reduce gas generated during charging and discharging of the lithium secondary battery by including one or more electrolyte additives of a chemical compound represented by Formula 1 or a chemical compound represented by Formula 2, but also has the advantage of strengthening the SEI layer on the electrode surface, thereby improving the storage characteristics and life characteristics at high temperatures.
    Type: Application
    Filed: January 30, 2023
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su Hyeon JI, Chul Haeng LEE, Kyoung Ho AHN, Jun Hyeok HAN, Won Kyung SHIN, Won Tae LEE
  • Patent number: 11951207
    Abstract: The present invention provides a stable liquid pharmaceutical formulation containing: an antibody or its antigen-binding fragment; a surfactant; a sugar or its derivative; and a buffer. The stable liquid pharmaceutical formulation according to the present invention has low viscosity while containing a high content of the antibody, has excellent long-term storage stability based on excellent stability under accelerated conditions and severe conditions, and may be administered subcutaneously.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: April 9, 2024
    Assignee: Celltrion Inc.
    Inventors: Joon Won Lee, Won Yong Han, Su Jung Kim, Jun Seok Oh, So Young Kim, Su Hyeon Hong, Yeon Kyeong Shin
  • Publication number: 20240113334
    Abstract: An electrolyte composition with improved high temperature safety and a lithium secondary battery including the same is described herein. The electrolyte composition containing a primary additive comprising a compound represented by Formula 1, and specific amount of a secondary additive that contains one or more of cyclic carbonates, can not only reduce the generation of gas during secondary battery charge-discharge, but also improve storage characteristics and the lifespan characteristics under a high temperature condition by strengthening the SEI coating film on the surface of an electrode. wherein all the variables are described herein.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 4, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Won Tae Lee, Kyoung Ho Ahn, Chul Haeng Lee, Jun Hyeok Han, Won Kyung Shin, Su Hyeon Ji, Young Ho Oh
  • Publication number: 20240088440
    Abstract: A lithium secondary battery includes a negative electrode, a positive electrode positioned opposite to the negative electrode, a separator disposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a silicon-based active material, the silicon-based active material comprises a compound represented by SiOx, wherein 0?x<2, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a first additive and a second additive, the first additive includes a coumarin-based compound represented by Formula 1, and the second additive includes at least one of lithium fluoromalonato(difluoro)borate (LiFMDFB), lithium difluoro(oxalato)borate (LiDFOB), lithium difluorophosphate (LiDFP), or lithium difluorobis-(oxalate)phosphate (LiDFOP): wherein R and n are described herein.
    Type: Application
    Filed: August 17, 2023
    Publication date: March 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Eun Bee Kim, Su Hyeon Ji, Chul Eun Yeom, Jung Gu Han
  • Patent number: 11292444
    Abstract: The present invention relates to a double hinge type parking brake device which is constituted by a plurality of connection members having each gear formed on an outer peripheral surface while excluding a connection cable connecting a parking brake lever and a parking cable operating shaft for operating a parking cable to maintain an initial installation state instead of stretching the connection cable when the connection cable is used for a long time, thereby facilitating post management.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: April 5, 2022
    Assignee: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin Kim, Su Hyeon Han, Jung Woo Lee
  • Publication number: 20200156609
    Abstract: The present invention relates to a double hinge type parking brake device which is constituted by a plurality of connection members having each gear formed on an outer peripheral surface while excluding a connection cable connecting a parking brake lever and a parking cable operating shaft for operating a parking cable to maintain an initial installation state instead of stretching the connection cable when the connection cable is used for a long time, thereby facilitating post management.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 21, 2020
    Applicant: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin KIM, Su Hyeon HAN, Jung Woo LEE
  • Patent number: 10377297
    Abstract: Disclosed is a lamp switch for a parking brake and a structure of a lamp switch is configured to be changed, which indicates that a parking brake is pulled as lighting a lamp on a instrument panel of a vehicle by pulling a lever for the parking brake to prevent malfunction due to poor contact of the lamp switch when an external shock occurs, enhance fuel efficiency and reduce manufacturing cost due to weight reduction, and reduce the number of assembled fixtures.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: August 13, 2019
    Assignee: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin Kim, Tae Won Yoon, Su Hyeon Han
  • Patent number: 10266101
    Abstract: A terminal fixed lamp switch for a parking brake and a structure of a lamp switch is configured to be changed, which indicates that a parking brake is pulled as lighting a lamp on an instrument panel of a vehicle by pulling a lever for the parking brake to prevent malfunction due to poor contact of the lamp switch when an external shock occurs, and enhance fuel efficiency and reduce manufacturing cost due to weight reduction.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: April 23, 2019
    Assignee: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin Kim, Tae Won Yoon, Su Hyeon Han
  • Publication number: 20180162262
    Abstract: Disclosed is a lamp switch for a parking brake and a structure of a lamp switch is configured to be changed, which indicates that a parking brake is pulled as lighting a lamp on a instrument panel of a vehicle by pulling a lever for the parking brake to prevent malfunction due to poor contact of the lamp switch when an external shock occurs, enhance fuel efficiency and reduce manufacturing cost due to weight reduction, and reduce the number of assembled fixtures.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 14, 2018
    Applicant: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin KIM, Tae Won YOON, Su Hyeon HAN
  • Publication number: 20180162263
    Abstract: Disclosed is a terminal fixed lamp switch for a parking brake and a structure of a lamp switch is configured to be changed, which indicates that a parking brake is pulled as lighting a lamp on a instrument panel of a vehicle by pulling a lever for the parking brake to prevent malfunction due to poor contact of the lamp switch when an external shock occurs, and enhance fuel efficiency and reduce manufacturing cost due to weight reduction.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 14, 2018
    Applicant: DONGWOUN INDUSTRIAL CO., LTD.
    Inventors: Ho Jin KIM, Tae Won YOON, Su Hyeon HAN