Patents by Inventor Kwan Hun LIM

Kwan Hun LIM 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).

  • Patent number: 11609161
    Abstract: There is provided a piston of a cartridge for extracting nucleic acids comprising: a cylindrical upper body having a hollow; a lower body having two ports; a control rod module combined to the other end of the upper body to seal the other end and move up and down along the hollow; and a rotation control module that is combined to the shaft of the lower body to transmit a driving force to the lower body.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 21, 2023
    Inventors: Young Shik Cho, Hyo Guen Lee, Hae Joon Park, Sun Young Lee, Kwan Hun Lim, In Ae Kim, Jae Young Kim, Hyo Lim Park, Dong Hun Kim
  • Patent number: 11585739
    Abstract: There is provided a nucleic acid extraction method using a cartridge comprising: (a) a driving part of a nucleic acid extraction device is connected to a control rod module disposed in an inner space of the upper body of a piston and a rotation control module coupled to the lower body of the piston; (b) driving the rotation control module and the control rod module, sequentially sucking sample and reagents from the plurality of chambers separated from each other into an interior space, and discharging the mixture of the interior space into the chamber of the cartridge; and (c) driving the rotation control module and the control rod module to suck the reagent inside the master mix bead chamber of the cartridge into the interior space of the piston upper body and then discharge the mixed reagent to a nucleic acid amplification module.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 21, 2023
    Assignee: SD BIOSENSOR, INC.
    Inventors: Young Shik Cho, Hyo Guen Lee, Hae Joon Park, Sun Young Lee, Kwan Hun Lim, In Ae Kim, Jae Young Kim, Hyo Lim Park, Dong Hun Kim
  • Patent number: 11383242
    Abstract: The present invention discloses a flow path structure of a cartridge for nucleic acid extraction comprising: a plurality of elongated grooves formed on the surface of the cartridge body; and a shaft hole formed in the center of the body, wherein the plurality of grooves have a starting point formed around the shaft hole and an ending point extending from the starting point toward the outer region of the body.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 12, 2022
    Inventors: Young Shik Cho, Hyo Guen Lee, Hae Joon Park, Sun Young Lee, Kwan Hun Lim, In Ae Kim, Jae Young Kim, Hyo Lim Park, Dong Hun Kim
  • Patent number: 11207689
    Abstract: There is provided a cartridge for nucleic acid extraction comprising: a first body having a plurality of chambers in which ports are formed at the bottom; a second body coupled to a lower region of the first body; and a piston disposed rotatably in the centers of the first body and the second body and having a port formed at the bottom thereof; and characterized in that the cartridge comprises a plurality of flow paths formed on the upper region of the second body, one end overlapping the port of the piston and the other end overlapping the port of the first body.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 28, 2021
    Assignee: SD BIOSENSOR, INC.
    Inventors: Young Shik Cho, Hyo Guen Lee, Hae Joon Park, Sun Young Lee, Kwan Hun Lim, In Ae Kim, Jae Young Kim, Hyo Lim Park, Dong Hun Kim
  • Publication number: 20210285855
    Abstract: There is provided a nucleic acid extraction method using a cartridge comprising: (a) a driving part of a nucleic acid extraction device is connected to a control rod module disposed in an inner space of the upper body of a piston and a rotation control module coupled to the lower body of the piston; (b) driving the rotation control module and the control rod module, sequentially sucking sample and reagents from the plurality of chambers separated from each other into an interior space, and discharging the mixture of the interior space into the chamber of the cartridge; and (c) driving the rotation control module and the control rod module to suck the reagent inside the master mix bead chamber of the cartridge into the interior space of the piston upper body and then discharge the mixed reagent to a nucleic acid amplification module
    Type: Application
    Filed: December 20, 2018
    Publication date: September 16, 2021
    Inventors: Young Shik CHO, Hyo Guen LEE, Hae Joon PARK, Sun Young LEE, Kwan Hun LIM, In Ae KIM, Jae Young KIM, Hyo Lim PARK, Dong Hun KIM
  • Publication number: 20210283596
    Abstract: The present invention discloses a flow path structure of a cartridge for nucleic acid extraction comprising: a plurality of elongated grooves formed on the surface of the cartridge body; and a shaft hole formed in the center of the body, wherein the plurality of grooves have a starting point formed around the shaft hole and an ending point extending from the starting point toward the outer region of the body.
    Type: Application
    Filed: December 20, 2018
    Publication date: September 16, 2021
    Inventors: Young Shik CHO, Hyo Guen LEE, Hae Joon PARK, Sun Young LEE, Kwan Hun LIM, In Ae KIM, Jae Young KIM, Hyo Lim PARK, Dong Hun KIM
  • Publication number: 20210285853
    Abstract: There is provided a piston of a cartridge for extracting nucleic acids comprising: a cylindrical upper body having a hollow; a lower body having two ports; a control rod module combined to the other end of the upper body to seal the other end and move up and down along the hollow; and a rotation control module that is combined to the shaft of the lower body to transmit a driving force to the lower body.
    Type: Application
    Filed: December 20, 2018
    Publication date: September 16, 2021
    Inventors: Young Shik CHO, Hyo Guen LEE, Hae Joon PARK, Sun Young LEE, Kwan Hun LIM, In Ae KIM, Jae Young KIM, Hyo Lim PARK, Dong Hun KIM
  • Publication number: 20210283595
    Abstract: There is provided a cartridge for nucleic acid extraction comprising: a first body having a plurality of chambers in which ports are formed at the bottom; a second body coupled to a lower region of the first body; and a piston disposed rotatably in the centers of the first body and the second body and having a port formed at the bottom thereof; and characterized in that the cartridge comprises a plurality of flow paths formed on the upper region of the second body, one end overlapping the port of the piston and the other end overlapping the port of the first body.
    Type: Application
    Filed: December 27, 2018
    Publication date: September 16, 2021
    Inventors: Young Shik CHO, Hyo Guen LEE, Hae Joon PARK, Sun Young LEE, Kwan Hun LIM, In Ae KIM, Jae Young KIM, Hyo Lim PARK, Dong Hun KIM