Patents by Inventor Won-Ju Yi

Won-Ju Yi 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: 20240097466
    Abstract: Disclosed is a high voltage output device having a serial-parallel stack structure of capacitors. The high voltage output device includes a substrate includes a capacitor element and a pillar structure provided on an upper surface of the substrate. The substrate includes a first electrode and a second electrode, which have different potentials from each other. The capacitor element is connected to at least one of the first electrode and the second electrode.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 21, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Seung Wook LEE, Seung In KANG, Yeong Gi JEON, Si Youn KIM, Kyu Young SEO, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20240066555
    Abstract: Disclosed is an ultrasonic wave generating apparatus capable of adjusting a focus depth of ultrasonic waves including a handpiece, a cartridge housing separably mounted on the handpiece, an ultrasonic wave generating unit provided in the cartridge housing and including a transducer that generates ultrasonic waves, a movable shaft that is movable in an axial line direction and a vertical direction of the transducer, and a guide part provided in the cartridge housing, and that guides the ultrasonic wave generating unit such that the ultrasonic wave generating unit is movable in the vertical direction and an axial line direction of the movable shaft. The guide part includes a guide shaft passing through the ultrasonic wave generating unit.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyuntae KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20240042243
    Abstract: Disclosed is an ultrasonic wave generating apparatus capable of adjusting a focusing depth of ultrasonic waves including a handpiece, a cartridge housing, an ultrasonic wave generating unit provided in the cartridge housing, connected to a movable shaft extending from the handpiece, and including a transducer that generates ultrasonic waves, a variable shaft connected to the ultrasonic wave generating unit and that is movable in an upward/downward direction of the transducer, and a manipulation part that moves the variable shaft in the upward/downward direction. The movable shaft is configured to be movable in an axial direction of the variable shaft. The ultrasonic wave generating apparatus may be moved in the upward/downward direction through manipulation of the manipulation part to be moved in the axial direction of the variable shaft after a target location in the upward/downward direction is determined.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyuntae KIM, Won Ju YI, Dong Hwan KANG
  • Patent number: 11888283
    Abstract: A laser device for skin treatment includes: a laser generating unit including a diode laser for generating a pulse capable of being varied to a pulse width of 100 picoseconds (ps) to 2000 ps by a dedicated driver having a rising time of 100 ps or less and a pulse width adjustment unit for adjusting a width of the pulse generated by the diode laser, the laser generating unit configured to generate a single or a plurality of pulses; and a laser amplifying unit including a pumping lamp and a single or a plurality of amplification mediums having a rod structure for absorbing light energy from the pumping lamp, wherein, in the laser amplifying unit, a pulse supplied from the laser generating unit passes through at least one of the single or a plurality of amplification mediums a plurality of times inward from the outside and is gradually amplified.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 30, 2024
    Assignee: JEISYS MEDICAL INC.
    Inventors: Won Ju Yi, Min Young Kim, Joo Hee Cho, Myeong Wook Gu, Byoung Jin Ko, Seong Jun Kim, Dong Hwan Kang
  • Publication number: 20230347060
    Abstract: A needle-free injector based on underwater discharge using a shock wave according to an embodiment of the present invention comprises: a pressure chamber in which a driving fluid is stored; a medicine chamber communicating with the pressure chamber to store medicine; a pressure transmitting unit interposed between the pressure chamber and the medicine chamber to apply propulsion pressure to the medicine stored in the medicine chamber, when a volume of the pressure chamber is expanded; an injecting unit provided at one side of the medicine chamber to discharge the medicine; and an electrode unit to expand the volume of the pressure chamber, by generating bubbles in the driving fluid stored in the pressure chamber and causing break down.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyu Young SEO, Seung Wook LEE, Si Youn KIM, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230321461
    Abstract: The present invention relates to an ultrasound generation device capable of adjusting an ultrasound focus depth, comprising: a handpiece; a cartridge housing detachably coupled to the handpiece; an ultrasonic wave-generating unit provided in the handpiece or the cartridge housing; a rotating unit of which the outer circumferential surface makes contact with a support unit of the ultrasonic wave-generating unit, and which has a shape of a section with a rotation radius gradually increased from the center of the rotating unit; and a rotation adjusting unit coupled to the rotating unit to apply force for driving the rotating unit, wherein the rotating unit adjusts the focal depth of the ultrasonic waves from the ultrasonic wave-generating unit, as the rotation adjusting unit rotates the rotating unit to change a rotation radius of the rotating unit, such that the ultrasonic wave-generating unit is moved.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 12, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kwang Hyeok JUNG, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230310902
    Abstract: The present invention relates to an ultrasonic wave generating cartridge which comprises: a cartridge housing; an ultrasonic wave generating unit which is disposed so as to be able to move in a reciprocating manner in the cartridge housing; and a position detection unit which can detect the real-time position of the ultrasonic wave generating unit by sending a transmission signal to the movement path of the ultrasonic wave generating unit.
    Type: Application
    Filed: June 2, 2023
    Publication date: October 5, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyun Tae KIM, Hyun Jin KIM, Dong Hwan KANG, Won Ju YI
  • Publication number: 20230277772
    Abstract: Disclosed is a needle-free injector. The needle-free injector includes a first current applying unit that applies a first current, a first coil that receives the first current from the first current applying unit, a second coil that moves to apply pressure to a drug, a housing of which the outside is surrounded by the first coil and in which the second coil is positioned, a drug chamber which is connected to the housing and in which the drug is positioned, and an injection nozzle positioned in the drug chamber to inject the drug.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 7, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Myeong Wook GU, Yeong Gi JEON, Kyu Young SEO, Seung Wook LEE, Si Youn KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230256171
    Abstract: Disclosed is a needle-free injector including a power supply unit, a coil that receives current from the power supply unit, a drug chamber in which a drug is positioned, a housing connected to the drug chamber, a separation membrane that separates the housing and the drug chamber, a metal material adjacent to a separation membrane, and an injection unit positioned in the drug chamber to inject the drug. The coil is positioned outside the housing or outside the drug chamber.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 17, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Myeong Wook GU, Yeong Gi JEON, Kyu Young SEO, Seung Wook LEE, Si Youn KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230124345
    Abstract: A laser device for skin treatment, includes: a laser generating unit including one or a plurality of diode lasers configured to generate a diode laser pulse, one or a plurality of diode laser drivers each arranged to correspond to the diode laser and configured to vary diode laser pulses generated from the diode laser into pulses having different durations, a laser amplifying unit configured to amplify the pulse transmitted from the diode laser generating unit, and a controller configured to control the diode laser generating unit and the laser amplifying unit to control a wavelength and intensity of a laser output from the laser amplifying unit.
    Type: Application
    Filed: June 30, 2020
    Publication date: April 20, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Won Ju YI, Joo Hee CHO, Seong Jun KIM, Min Young KIM, Dong Hwan KANG
  • Publication number: 20230020863
    Abstract: The present invention relates to a needle-free injector using pulsed shock waves, the needle-free injector comprising: a power unit generating pulsed power; a pulsed shock wave generating unit which receives the pulsed power and generates pulsed shock waves; an upper housing in which a liquid and the pulsed shock wave generating unit are disposed; a lower housing which is connected to the upper housing, and in which a drug is disposed; a shock wave transmission unit which is provided between the upper housing and the lower housing to separate the upper housing and the lower housing; and an injection unit which is disposed in the lower housing and inject the drug.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 19, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyu Young SEO, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230008067
    Abstract: The present invention relates to a drug injection device using pulsed shock waves, the drug injection device comprising: a power unit generating pulsed power; a pulsed shock wave generating unit which receives the pulsed power and generates pulsed shock waves; an upper housing in which a liquid and the pulsed shock wave generating unit are disposed; a lower housing which is connected to the upper housing, and in which a drug is disposed; a shock wave transmission unit which is provided between the upper housing and the lower housing to separate the upper housing and the lower housing; and an injection unit which is disposed in the lower housing and inject the drug.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 12, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyu Young SEO, Won Ju YI, Dong Hwan KANG
  • Publication number: 20220370731
    Abstract: Disclosed are a medicine injection tip that may smoothly insert and discharge a needle into and from skin, a hand piece, and a skin treatment device.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 24, 2022
    Applicant: JEISYS MEDICAL INC.
    Inventors: Jong Seung PARK, Kyoung Ho AN, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20220079650
    Abstract: Embodiments of the inventive concept provide an ultrasonic medical instrument moving horizontally by adjusting a depth wise location of an ultrasonic wave generating unit while not influencing an internal volume of a cartridge and variously setting focusing depths of ultrasonic waves in skin.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 17, 2022
    Applicant: JEISYS MEDICAL INC.
    Inventors: Min Young KIM, Kyun Tae KIM, Ki Ho JEONG, Won Ju YI, Dong Hwan KANG
  • Publication number: 20210387023
    Abstract: Provided is an ultrasonic generator with an adjustable ultrasonic focusing depth. The ultrasonic generator with an adjustable ultrasonic focusing depth includes a cartridge housing in which an ultrasound generation portion generating ultrasonic waves is provided, a hand piece in which the cartridge housing is detachably mounted, the hand piece having a first actuator thereinside, and a main shaft to which the ultrasound generation portion is coupled so as to reciprocate in a horizontal direction, parallel to the bottom of the cartridge housing and a vertical direction, perpendicular to the bottom of the cartridge housing. One end of the main shaft is coupled to one end of the first actuator of the hand piece, and an other end of the main shaft is located inside the cartridge housing. The hand piece includes an adjustment portion adjusting an ultrasonic focusing depth of the ultrasound generation portion.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 16, 2021
    Applicant: JEISYS MEDICAL INC.
    Inventors: Eun Ho KIM, Kyun Tae KIM, Kwang Hee MOON, Su Yong LEE, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20210242657
    Abstract: A laser device for skin treatment includes: a laser generating unit including a diode laser for generating a pulse capable of being varied to a pulse width of 100 picoseconds (ps) to 2000 ps by a dedicated driver having a rising time of 100 ps or less and a pulse width adjustment unit for adjusting a width of the pulse generated by the diode laser, the laser generating unit configured to generate a single or a plurality of pulses; and a laser amplifying unit including a pumping lamp and a single or a plurality of amplification mediums having a rod structure for absorbing light energy from the pumping lamp, wherein, in the laser amplifying unit, a pulse supplied from the laser generating unit passes through at least one of the single or a plurality of amplification mediums a plurality of times inward from the outside and is gradually amplified.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 5, 2021
    Applicant: Jeisys Medical Inc.
    Inventors: Won Ju YI, Min Young KIM, Joo Hee CHO, Myeong Wook GU, Byoung Jin KO, Seong Jun KIM, Dong Hwan KANG
  • Publication number: 20160346729
    Abstract: A facility for purifying harmful gas disposing harmful gas discharged from at least one process chamber in which processes are performed in the vacuum status by a vacuum pump, the facility including: one or a plurality of microwave generators generating microwave; a plurality of wave guides including a wave path through which the microwave generated by the microwave generator is provided; a plasma discharge chamber including the wave guides connected by a certain distance along the harmful gas flow direction outside; and a shield installed inside the plasma discharge chamber preventing ions or electrons for the plasma discharge from leaking outside by contacting with the plasma discharge chamber.
    Type: Application
    Filed: March 28, 2016
    Publication date: December 1, 2016
    Applicant: Core Plasma Technology Inc.
    Inventors: Won Ju YI, David Young Eun Yi, Daniel Young Hyun Yi
  • Publication number: 20160220942
    Abstract: A facility for purifying harmful gas according to an exemplary embodiment of the inventive concept includes a vacuum pump for discharging harmful gas generated from the process chamber, preprocessing apparatus a preprocessing apparatus with which buffer gas for plasma discharge is provided together with the harmful gas discharged from the process chamber and performing preprocess such that noxious substances in the harmful gas and the buffer gas may be activated by emitting microwave, and a plasma reactor receiving the harmful gas including activated noxious substances and the activated buffer gas from the preprocessing apparatus and decomposing the activated substances by generating plasma discharge.
    Type: Application
    Filed: January 13, 2016
    Publication date: August 4, 2016
    Applicant: Core Plasma Technology Inc.
    Inventor: Won Ju YI
  • Patent number: 8207671
    Abstract: A plasma display panel including: a first substrate and a second substrate utilized to display images; a dielectric wall disposed between the first and second substrates and defining a plurality of discharge cells; a first discharge electrode disposed in the dielectric wall; a second discharge electrode disposed on the second substrate to cross the first discharge electrode; and a phosphor layer formed on the first substrate. Accordingly, plasma can efficiently arrive at the phosphor layer, thereby increasing discharge efficiency.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 26, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Shik Hwang, Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
  • Patent number: 7791279
    Abstract: Provided is a plasma display panel having flexibility. The plasma display panel includes a panel assembly that displays images and has flexibility, a plurality of base members that are attached to a surface of the panel assembly and support the panel assembly, and connection members that connect the base members to each other and are installed to be bent in the same direction as the panel assembly is bent. The base members that support the panel assembly having flexibility on a rear surface of the panel assembly can be bent or folded in the same direction as the panel assembly by the connection members.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: September 7, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Won-Ju Yi, Ho-Young Ahn, Kyoung-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo