Patents by Inventor Young Min Jhon

Young Min Jhon 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: 10804674
    Abstract: Provided are a saturable absorber including at least one material selected from a group of MXenes, and a Q-switching and mode-locked pulsed laser system using the same.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: October 13, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Min Jhon, Young In Jhon, Byunghyuck Moon, Minah Seo, Taikjin Lee, Jae Hun Kim, Young Tae Byun, Seok Lee
  • Patent number: 10753804
    Abstract: The present invention relates to a terahertz (THz) wave detecting sensor including a MXene material represented by the following Formula 1 as a sensing material: M(n+1)Xn,??[Formula 1] wherein, in Formula 1, M is at least one transition metal selected from early transition metal elements, X is at least one selected from C and N, and n is an integer selected from 1 to 3.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: August 25, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Min Jhon, Minah Seo, Young In Jhon
  • Patent number: 10723456
    Abstract: The present invention relates to an unmanned aerial vehicle system having a multi-rotor type rotary wing. The unmanned aerial vehicle system having a multi-rotor type rotary wing includes a first unmanned aerial vehicle, at least one second unmanned aerial vehicle, and a bridge that connects the first unmanned aerial vehicle and the at least one second unmanned aerial vehicle to be separable from each other, wherein the at least one second unmanned aerial vehicle is moveable by the first unmanned aerial vehicle in a state where the at least one second unmanned aerial vehicle is coupled to the first unmanned aerial vehicle by the bridge without being driven, and the at least one second unmanned aerial vehicle is separable from the first unmanned aerial vehicle which is in flight.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: July 28, 2020
    Assignee: Korea Institute of Science and Technology
    Inventors: Taikjin Lee, Suk Woo Nam, Chang Won Yoon, Hyun Seo Park, Young Min Jhon, Seok Lee, Min-Jun Choi
  • Patent number: 10700278
    Abstract: The present invention provides a chalcogenide phase-change material represented by the following Chemical Formula 1, and a memory device including the same. Ma(AxSbyTe(1-x-y))b??[Chemical Formula 1] In Chemical Formula 1, M denotes an element having a doping formation energy ?Ef in a range of ?3 eV/atom to 0.5 eV/atom, A denotes indium (In) or germanium (Ge), a and b are each positive numbers and selected to satisfy a+b=1, x ranges from 0.15 to 0.3, and y ranges from 0.05 to 0.25.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: June 30, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Min Jhon, Yong Tae Kim, Chun Keun Kim, Young-Hwan Kim, Minho Choi, Sehyun Kwon
  • Publication number: 20200158576
    Abstract: The present invention relates to a terahertz (THz) wave detecting sensor including a MXene material represented by the following Formula 1 as a sensing material: M(n+1)Xn,??[Formula 1] wherein, in Formula 1, M is at least one transition metal selected from early transition metal elements, X is at least one selected from C and N, and n is an integer selected from 1 to 3.
    Type: Application
    Filed: March 5, 2019
    Publication date: May 21, 2020
    Inventors: Young Min JHON, Minah SEO, Young In JHON
  • Patent number: 10656082
    Abstract: A system for adjusting transmittance, according to the present disclosure, includes a sensing device configured to amplify electromagnetic waves of a specific frequency and a squeegee configured to concentrate a target material inside a slot formed in the sensing device. A transmittance of the sensing device is adjusted according to concentration of the target material concentrated inside the slot by the squeegee.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 19, 2020
    Assignee: Korea Institute of Science and Technology
    Inventors: Minah Seo, Yongsang Ryu, Young Min Jhon, Jaehun Kim, Taikjin Lee, Chulki Kim
  • Patent number: 10630045
    Abstract: The present disclosure discloses a double trigger type single pulse laser apparatus configured to suppress additional pulses to increase single pulse energy and improve stability of output as compared to a conventional single trigger type single pulse laser apparatus. According to the present invention, there is provided a single pulse laser apparatus including a resonator which has a first mirror, a second mirror, a gain medium, an electro-optic modulator and an acousto-optic modulator configured to respectively perform Q-switching and mode-locking, the single pulse laser apparatus including a first photodiode configured to measure a laser beam oscillated by the resonator.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 21, 2020
    Assignee: Korea Institute of Science and Technology
    Inventors: Young Min Jhon, Hui Dong Yang, Byunghyuck Moon, Minah Seo, Chulki Kim, Taikjin Lee, Yongsang Ryu, Hyunseok Song, Jaehun Kim
  • Patent number: 10620343
    Abstract: A metamaterial for an electromagnetic wave filter includes a substrate; and a film disposed on the substrate and having a set of slots arranged to form a rotationally symmetric pattern, which is patterned in an intaglio shape, or a set of structures arranged to form a rotationally symmetric pattern, which is patterned in an embossed shape, to control a transmission rate according to polarization of an electromagnetic wave incident on the film. The set of slots or the set of structures have an array angle that is determined such that the transmission rate and a reflectivity thereof have constant values according to the polarization of the electromagnetic wave incident on the film, and have a chloroplast molecular structure pattern in which the set of slots or the set of structures are arranged in pentagonal and hexagonal shapes.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: April 14, 2020
    Assignee: Korea Institute of Science and Technology
    Inventors: Minah Seo, Sanghun Lee, Deokha Woo, Jaehun Kim, Taikjin Lee, Jaebin Choi, Chulki Kim, Joo-Hiuk Son, Young Min Jhon
  • Publication number: 20200083445
    Abstract: The present invention provides a chalcogenide phase-change material represented by the following Chemical Formula 1, and a memory device including the same. Ma(AxSbyTe(1-x-y))b??[Chemical Formula 1] In Chemical Formula 1, M denotes an element having a doping formation energy ?Ef in a range of ?3 eV/atom to 0.5 eV/atom, A denotes indium (In) or germanium (Ge), a and b are each positive numbers and selected to satisfy a+b=1, x ranges from 0.15 to 0.3, and y ranges from 0.05 to 0.25.
    Type: Application
    Filed: November 27, 2018
    Publication date: March 12, 2020
    Inventors: Young Min JHON, Yong Tae KIM, Chun Keun KIM, Young-Hwan KIM, Minho CHOI, Sehyun KWON
  • Patent number: 10557711
    Abstract: Disclosed are an apparatus for estimating a pedestrian position based on pedestrian motion recognition, and a method therefor. The method for estimating the pedestrian position based on pedestrian motion recognition includes recognizing a specific motion of a plurality of motions of the pedestrian, performing a unique pedestrian dead-reckoning (PDR) technique corresponding to the recognized specific motion among unique PDR techniques for each of the plurality of motions of the pedestrian, and estimating the pedestrian's position by the performed unique PDR technique.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: February 11, 2020
    Assignee: Korea Institute of Science And Technology
    Inventors: Taik Jin Lee, Seok Lee, Sun Ho Kim, Jae Hun Kim, Beom Ju Shin, Chul Ki Kim, Young Min Jhon
  • Patent number: 10488333
    Abstract: A method for manufacturing an optical sensor includes forming a reflective metal layer on a substrate, forming an insulator layer on the reflective metal layer, inducing self-assembly of a metal nanostructure layer on the insulator layer, and selectively etching the insulator layer through a reactive ion etching process to form a plurality of pillars and a plurality of spaces defined by the plurality of pillars. The method for manufacturing a plasmonic optical sensor according to this embodiment facilitates the formation of nanostructures difficult to pattern and form on the large scale at a low cost, and provides a plasmonic optical sensor with repeatability.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 26, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong-Sang Ryu, Chulki Kim, Young Min Jhon, Sin-Doo Lee, Eui-Sang Yu, Jae Hun Kim
  • Publication number: 20190204215
    Abstract: A system for adjusting transmittance, according to the present disclosure, includes a sensing device configured to amplify electromagnetic waves of a specific frequency and a squeegee configured to concentrate a target material inside a slot formed in the sensing device. A transmittance of the sensing device is adjusted according to concentration of the target material concentrated inside the slot by the squeegee.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Minah SEO, Yongsang RYU, Young Min JHON, Jaehun KIM, Taikjin LEE, Chulki KIM
  • Patent number: 10288560
    Abstract: Disclosed is a system for observing the conformational change in a protein, which includes a sensing element which is configured to amplify an electromagnetic wave of a specific frequency; a light irradiation unit which is configured to irradiate a photoreceptor protein solution coated on the sensing element with light; an electromagnetic wave irradiation unit which allows an electromagnetic wave to be incident in a direction perpendicular to the bottom surface of the sensing element; a detection unit which is configured to detect an electromagnetic wave reflected from the bottom surface of the sensing element; and a control unit which is configured to observe the conformational change in the photoreceptor protein based on the detected electromagnetic wave.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 14, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Minah Seo, Young Min Jhon, Chulki Kim
  • Patent number: 10245557
    Abstract: One aspect of the disclosed is to provide a method of manufacturing a nanoporous multilayer graphene membrane, including a first step of oxidizing a surface of a multilayer graphene membrane, a second step of reducing the oxidized surface of the multilayer graphene to carry out reductive etching such that oxidized carbon atoms on the surface are naturally and randomly dispersed, and a third step of repeatedly performing a series of the first and the second steps until nanopores penetrating the multilayer graphene are formed.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: April 2, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Young Min Jhon, Young In Jhon, Seok Lee
  • Publication number: 20190072516
    Abstract: Provided are a method of fabricating a 3-dimensional transistor sensor and the sensor and a sensor array thereof. The method of fabricating the 3-dimensional transistor sensor includes forming an insulating layer on a silicon substrate, forming a silicon layer on the insulating layer and forming a 3-dimensional silicon fin by etching the silicon layer, forming a source area and a source electrode at one end of the silicon fin, forming a drain area and a drain electrode at the other end the silicon fin, and forming a gate area at a center of the silicon fin, surrounding three surfaces of a gate with a gate insulating layer, forming a sensing gate layer configured to surround a portion of the gate insulating layer, and sealing an upper portion of the gate insulating layer excluding the sensing gate layer.
    Type: Application
    Filed: March 29, 2018
    Publication date: March 7, 2019
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young In JHON, Young Tae BYUN, Yong Tae Kim, Young Min JHON
  • Publication number: 20190025204
    Abstract: A method for manufacturing an optical sensor includes forming a reflective metal layer on a substrate, forming an insulator layer on the reflective metal layer, inducing self-assembly of a metal nanostructure layer on the insulator layer, and selectively etching the insulator layer through a reactive ion etching process to form a plurality of pillars and a plurality of spaces defined by the plurality of pillars. The method for manufacturing a plasmonic optical sensor according to this embodiment facilitates the formation of nanostructures difficult to pattern and form on the large scale at a low cost, and provides a plasmonic optical sensor with repeatability.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 24, 2019
    Inventors: Yong-Sang RYU, Chulki KIM, Young Min JHON, Sin-Doo LEE, Eui-Sang YU, Jae Hun KIM
  • Patent number: 10170884
    Abstract: Disclosed herein is a single pulse laser apparatus which includes a first mirror and a second mirror disposed at both ends of the single pulse laser apparatus and having reflectivities of a predetermined level or more; a gain medium rotated at a predetermined angle and configured to oscillate a laser beam in a manual mode-locking state; a linear polarizer configured to output a beam having a specific polarized component of the oscillated laser beam; an etalon configured to adjust a pulse width of the oscillated laser beam; and an electro-optic modulator configured to perform Q-switching and single pulse switching.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: January 1, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Young Min Jhon, Byunghyuck Moon, Young In John, Minah Seo, Jaehun Kim, Yongsang Ryu, Taikjin Lee, Seok Lee
  • Patent number: 10130254
    Abstract: Provided is a cell-level retinal disease detection apparatus including a light imaging means configured to emit light to an eyeball and a light processing means which receives light reflected by the eyeball and processes and compensates light for an astigmatism aberration thereof which occurs at the eyeball to compensate. Here, the light processing means includes a wavefront sensor which senses the astigmatism aberration of the reflected light which occurs due to the eyeball and a light compensation mirror which compensates the light based on the sensed astigmatism aberration, and compensates for a difference in the astigmatism aberration to detect a disease of a retina of the eyeball.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: November 20, 2018
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae Hun Kim, Seok Hwan Kim, Ju Yeong Oh, Byeong Ho Park, Hyo Suk Kim, Min Ah Seo, Chul Ki Kim, Taik Jin Lee, Deok Ha Woo, Seok Lee, Young Min Jhon
  • Publication number: 20180309260
    Abstract: Disclosed herein is a single pulse laser apparatus which includes a first mirror and a second mirror disposed at both ends of the single pulse laser apparatus and having reflectivities of a predetermined level or more; a gain medium rotated at a predetermined angle and configured to oscillate a laser beam in a manual mode-locking state; a linear polarizer configured to output a beam having a specific polarized component of the oscillated laser beam; an etalon configured to adjust a pulse width of the oscillated laser beam; and an electro-optic modulator configured to perform Q-switching and single pulse switching.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Min JHON, Byunghyuck MOON, Young In JOHN, Minah SEO, Jaehun KIM, Yongsang RYU, Taikjin LEE, Seok LEE
  • Publication number: 20180180771
    Abstract: Disclosed is a metamaterial for an electromagnetic wave filter which includes: a substrate; and a film disposed on the substrate, wherein the film is formed such that a set of slots arranged to form a rotationally symmetric pattern is patterned in an intaglio shape or a set of structures arranged to form a rotationally symmetric pattern is embossed and patterned to control a transmission rate according to polarization of an electromagnetic wave incident on the film.
    Type: Application
    Filed: November 9, 2017
    Publication date: June 28, 2018
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Minah SEO, Sanghun LEE, Deokha WOO, Jaehun KIM, Taikjin LEE, Jaebin CHOI, Chulki KIM, Joo-Hiuk SON, Young Min JHON