Patents by Inventor Chul Park

Chul Park 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: 12655049
    Abstract: A method comprises flowing a mixture comprising a water-based reaction medium and at least one microalgae into a reaction vessel, wherein the reaction medium comprises a nutrient material that is consumable by a live microalgae, bacterium, or protozoa present in the reaction medium, incubating the mixture under at least intermittent illumination with a specified luminous flux such that the microalgae forms a supporting matrix that incorporates the live microalgae, bacterium, or protozoa into biologically-active bioaggregate granules, selecting out a first specified portion of the biologically-active bioaggregate granules that are smaller than a first specified size or below a first specified weight or selecting out a second specified portion of the biologically-active bioaggregate granules that are larger than a second specified size or over a second specified weight and removing the first and/or the second specified portions of the biologically-active bioaggregate granules in an effluent stream.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: June 16, 2026
    Assignee: University of Massachusetts
    Inventors: Chul Park, Joseph G. Gikonyo, Ahmed S. Abouhend
  • Publication number: 20260102158
    Abstract: The present invention relates to biodegradable thread manufacturing apparatus including: a thread feeding unit for feeding a biodegradable thread; and a cog formation unit for forming cogs on the outer peripheral surface of the biodegradable thread fed from the thread feeding unit, wherein the cog formation unit may include a multi-bladed part for forming the cogs each having two or more peaks whose end portions are separated from each other through a one-time operation thereof.
    Type: Application
    Filed: December 11, 2025
    Publication date: April 16, 2026
    Inventors: Mi Hee SONG, Chul PARK
  • Patent number: 12508018
    Abstract: The present invention relates to biodegradable thread manufacturing apparatus including: a thread feeding unit for feeding a biodegradable thread; and a cog formation unit for forming cogs on the outer peripheral surface of the biodegradable thread fed from the thread feeding unit, wherein the cog formation unit may include a multi-bladed part for forming the cogs each having two or more peaks whose end portions are separated from each other through a one-time operation thereof.
    Type: Grant
    Filed: September 5, 2022
    Date of Patent: December 30, 2025
    Assignee: HYUNDAEMEDITECH CO., LTD.
    Inventors: Mi Hee Song, Chul Park
  • Publication number: 20250114089
    Abstract: The present disclosure provides a manufacturing device for forming barbs on a suture, the manufacturing device including: a suture supply configured to supply a suture; a distal end mover configured to grip a distal end of the supplied suture and move the suture; a first mold part positioned between the suture supply and the distal end mover and having a first barb formation groove for forming a barb, a suture accommodation groove for accommodating the suture, and a presser passage hole configured to press the suture which are each formed in a symmetric shape in first molds at both sides; a presser coupled to the presser passage hole of the first mold part to press the suture toward the first barb formation groove; a cutter configured to cut a tip of the suture on which formation of the barb is completed; and a suture collector configured to collect the cut suture.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 10, 2025
    Applicant: HYUNDAE MEDITECH Co., Ltd.
    Inventors: Mi Hee SONG, Chul PARK
  • Publication number: 20250106717
    Abstract: A method of a terminal may comprise: receiving system information including terrestrial cell reselection parameters and on-board cell reselection parameters; determining whether the terminal is in an on-board state with respect to a first base station; and in response to determining that the terminal is in the on-board state with respect to the first base station, performing cell reselection by applying the on-board cell reselection parameters to reception measurement on the first base station.
    Type: Application
    Filed: September 20, 2024
    Publication date: March 27, 2025
    Inventors: Hyung Deug BAE, Sook Yang KANG, Chul PARK, Myungsan BAE, Jaesheung SHIN, Jae Wook SHIN, Sung-Min OH, Kwang Ryul JUNG, You Sun HWANG
  • Publication number: 20250056464
    Abstract: A method of a terminal may comprise: selecting one of a TN base station or NTN base station as a first base station; performing a first access registration procedure between the terminal and a core network through the first base station; identifying whether the core network supports dual-steering, based on a result of the first access registration procedure; in response to identifying that the core network supports dual-steering, performing a second access registration procedure between the terminal and the core network through a second base station other than the first base station among the TN base station or the NTN base station; and in response to a success of the second access registration procedure, performing a multiple access (MA) protocol data unit (PDU) session establishment procedure according to dual-steering through the first base station.
    Type: Application
    Filed: August 9, 2024
    Publication date: February 13, 2025
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Wook SHIN, Sook Yang KANG, Chul PARK, Myungsan BAE, Hyung Deug BAE, JaeSheung SHIN, Sung-Min OH, Kwang Ryul JUNG, You Sun HWANG
  • Patent number: 12091597
    Abstract: Proposed are a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 17, 2024
    Assignee: INNO QD CO., LTD
    Inventors: Jae Gyun Choi, Oh Kwan Kwon, Jong Uk Bu, Chul Park
  • Publication number: 20240293116
    Abstract: The present invention relates to biodegradable thread manufacturing apparatus including: a thread feeding unit for feeding a biodegradable thread; and a cog formation unit for forming cogs on the outer peripheral surface of the biodegradable thread fed from the thread feeding unit, wherein the cog formation unit may include a multi-bladed part for forming the cogs each having two or more peaks whose end portions are separated from each other through a one-time operation thereof.
    Type: Application
    Filed: September 5, 2022
    Publication date: September 5, 2024
    Inventors: Mi Hee SONG, Chul PARK
  • Publication number: 20240218572
    Abstract: Disclosed herein is an apparatus for manufacturing a biodegradable thread including: a thread supply unit for supplying a biodegradable thread; a cog forming unit for forming cogs on the outer surface of the biodegradable thread supplied by the thread supply unit; and a cog axially deforming unit for axially deforming the cogs of the biodegradable thread, which has the cogs formed by the cog forming unit, with respect to a virtual central line of the biodegradable thread.
    Type: Application
    Filed: September 5, 2022
    Publication date: July 4, 2024
    Inventors: Mi Hee SONG, Chul PARK
  • Publication number: 20240043300
    Abstract: A method comprises placing in a vessel a mixture having a specified suspended solids or sludge concentration and comprising a water-based reaction medium and at least one microalgae including filamentous cyanobacteria, said water-based reaction medium comprising a nutrient material that is consumable by a live bacterium or by a live protozoan present in said water-based reaction medium, and incubating said mixture for a specified incubation period under at least intermittent illumination with a specified luminous flux during periods of illumination while mixing said mixture under a specified shear stress, wherein said filamentous cyanobacteria forms a supporting matrix that incorporates said live bacterium or said live protozoan into a biologically-active bioaggregate granule, wherein said incubating produces a plurality of said biologically-active bioaggregate granules.
    Type: Application
    Filed: December 3, 2021
    Publication date: February 8, 2024
    Inventors: Joseph Gikonyo, Chul Park
  • Publication number: 20230406741
    Abstract: A method comprises the steps of receiving a wastewater containing solid particles in suspension, agitating the wastewater for a specified agitation period under specified agitation conditions sufficient to enable auto-flocculation of at least a portion of the solid particles into flocs to provide an agitated wastewater, allowing the agitated wastewater to settle for a specified sedimentation period to allow at least a portion of the flocs to settle, and separating at least a portion of the settled flocs from the agitated wastewater to provide a clarified wastewater effluent.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 21, 2023
    Inventors: Chul Park, Ahmed S. Abouhend, Joseph G. Gikonyo
  • Publication number: 20230382774
    Abstract: A method comprises flowing a mixture comprising a water-based reaction medium and at least one microalgae into a reaction vessel, wherein the reaction medium comprises a nutrient material that is consumable by a live microalgae, bacterium, or protozoa present in the reaction medium, incubating the mixture under at least intermittent illumination with a specified luminous flux such that the microalgae forms a supporting matrix that incorporates the live microalgae, bacterium, or protozoa into biologically-active bioaggregate granules, selecting out a first specified portion of the biologically-active bioaggregate granules that are smaller than a first specified size or below a first specified weight or selecting out a second specified portion of the biologically-active bioaggregate granules that are larger than a second specified size or over a second specified weight and removing the first and/or the second specified portions of the biologically-active bioaggregate granules in an effluent stream.
    Type: Application
    Filed: May 26, 2023
    Publication date: November 30, 2023
    Inventors: Chul Park, Joseph G. Gikonyo, Ahmed S. Abouhend
  • Patent number: 11634627
    Abstract: The present invention relates to a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: April 25, 2023
    Assignee: INNO QD CO., LTD
    Inventors: Jae Gyun Choi, Oh Kwan Kwon, Jong Uk Bu, Chul Park
  • Publication number: 20220278077
    Abstract: A semiconductor package includes a package substrate, a die stack having a first sub-stack part and a second sub-stack part, an interface chip, and a bonding wire structure. The bonding wire structure includes a first signal wire connecting first signal die pads included in the first sub-stack part to each other, a first signal extension wire connecting the first signal wire to the interface chip, a second signal wire connecting second signal die pads included in the first sub-stack part to each other, a second signal extension wire connecting the second signal wire to the interface chip, an interpose wire connecting interpose die pads included in the first and second sub-stack parts to each other and electrically connecting the interpose die pads to the interface chip, and a shielding wire branched from the interpose wire.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 1, 2022
    Applicant: SK hynix Inc.
    Inventor: Chul PARK
  • Patent number: 11315905
    Abstract: A semiconductor package includes a package substrate, a die stack having a first sub-stack part and a second sub-stack part, an interface chip, and a bonding wire structure. The bonding wire structure includes a first signal wire connecting first signal die pads included in the first sub-stack part to each other, a first signal extension wire connecting the first signal wire to the interface chip, a second signal wire connecting second signal die pads included in the first sub-stack part to each other, a second signal extension wire connecting the second signal wire to the interface chip, an interpose wire connecting interpose die pads included in the first and second sub-stack parts to each other and electrically connecting the interpose die pads to the interface chip, and a shielding wire branched from the interpose wire.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 26, 2022
    Assignee: SK hynix Inc.
    Inventor: Chul Park
  • Publication number: 20210269709
    Abstract: Proposed are a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 2, 2021
    Inventors: Jae Gyun CHOI, Oh Kwan KWON, Jong Uk BU, Chul PARK
  • Publication number: 20210217731
    Abstract: A semiconductor package includes a package substrate, a die stack having a first sub-stack part and a second sub-stack part, an interface chip, and a bonding wire structure. The bonding wire structure includes a first signal wire connecting first signal die pads included in the first sub-stack part to each other, a first signal extension wire connecting the first signal wire to the interface chip, a second signal wire connecting second signal die pads included in the first sub-stack part to each other, a second signal extension wire connecting the second signal wire to the interface chip, an interpose wire connecting interpose die pads included in the first and second sub-stack parts to each other and electrically connecting the interpose die pads to the interface chip, and a shielding wire branched from the interpose wire.
    Type: Application
    Filed: June 24, 2020
    Publication date: July 15, 2021
    Applicant: SK hynix Inc.
    Inventor: Chul PARK
  • Publication number: 20210210728
    Abstract: Discussed is an organic light emitting diode display device, including a display panel including an array substrate configured to display an image, a face sealing metal layer under the array substrate, and a protecting substrate under the face sealing metal layer, wherein the array substrate generates heat, and the generated heat is transferred from the array substrate to the protecting substrate via the face sealing metal layer to be radiated by the protecting substrate; and a printed circuit board under the protecting substrate, wherein an end portion of the array substrate, an end portion of the face sealing metal layer and an end portion of the protecting substrate form a stepped structure.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hyeon-Yong EOM, Chul PARK, Seung-Hwan LEE, Chan-Hee PARK
  • Patent number: 10985345
    Abstract: An organic light emitting diode display device includes a display panel including an array substrate displaying an image, a face sealing adhesive layer attached to the array substrate, a side sealing layer covering a side surface of the array substrate, and a protecting substrate attached to the array substrate through the face sealing adhesive layer; and a printed circuit board attached to the protecting substrate.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: April 20, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyeon-Yong Eom, Chul Park, Seung-Hwan Lee, Chan-Hee Park
  • Publication number: 20210024820
    Abstract: The present invention relates to a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.
    Type: Application
    Filed: November 8, 2018
    Publication date: January 28, 2021
    Inventors: Jae Gyun CHOI, Oh Kwan KWON, Jong Uk BU, Chul PARK