Patents by Inventor Won Choi

Won Choi 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: 12339180
    Abstract: A tactile sensor including a first insulating layer, a first sensing layer of a first conductive soft polymer material, a second sensing layer of a second conductive soft polymer material and a second insulating layer. The first sensing layer includes first electrically conductive strip located therein and the first sensing layer is positioned above the first insulating layer. The second sensing layer includes second and third electrically conductive strips located therein and the second sensing layer is positioned above the first sensing layer. The second and third electrically conductive strips are arranged within a first plane located within the second sensing layer, separated by the second conductive soft polymer material. The first and second electrically conductive strips are arranged within a second plane transverse to the first plane, separated by the first conductive soft polymer material. The second insulating layer is positioned above the second sensing layer.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: June 24, 2025
    Assignee: THE UNIVERSITY OF AKRON
    Inventors: Jae-Won Choi, Md. Omar Faruk Emon
  • Publication number: 20250195794
    Abstract: The present invention relates to a drug aerosol supply apparatus for a respirator, and the objective of the present invention is to prevent secondary respiratory infection due to condensation water. The drug aerosol supply apparatus according to the present invention comprises a T tube, a drug particulate generation unit and a heater. The T tube includes a straight tube having a first end portion to which air provided from a respirator is provided and having a second end portion connected to a mask or a mouthpiece, and a branch tube attached to the straight tube so as to allow communication with the straight tube. The drug particulate generation unit is installed at the branch tube and sprays a drug in a particulate state. The heater for heats the T tube.
    Type: Application
    Filed: November 20, 2022
    Publication date: June 19, 2025
    Applicant: BODITECH MED INC.
    Inventors: Youn Tae IM, Sang Hyun PARK, Kwang Won CHOI, Jeong Ae SHIN, Byeong Chul KIM
  • Publication number: 20250194664
    Abstract: Provided is a nicotine granule having a core-shell structure, in which the core includes a capsule including a base solution, and the shell includes a nicotine raw material.
    Type: Application
    Filed: September 25, 2024
    Publication date: June 19, 2025
    Inventors: Sang Won CHOI, Dong Hyun KIM, Joon Young PARK, Chang Jin PARK
  • Patent number: 12334264
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Ca.)TiO3-(1-z)BaTi205 including a first main component represented by (Ba(1-x)Ca.)TiO3 and a second main component represented by BaTi2O5, 0.7z0.8 and 0?x<0.1.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: June 17, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Publication number: 20250187000
    Abstract: A vial container includes: a container body in which a solution is accommodated; and a container lid detachably coupled to the top of the container body and having a plurality of lid ventilation holes. The container body includes a solution accommodation portion in which the solution is accommodated, a punching layer closing the bottom of the solution accommodation portion, a residue accommodating groove disposed to surround the periphery of the punching layer, and an entry groove portion provided to face the solution accommodation portion with the punching layer interposed therebetween.
    Type: Application
    Filed: March 8, 2023
    Publication date: June 12, 2025
    Inventors: Byoung Yeon WON, Seung Hwan RYU, Youn Tae IM, Kwang Won CHOI, Byeong Chul KIM
  • Publication number: 20250189448
    Abstract: A specimen testing device according to an embodiment: a specimen reaction part including a plurality of chambers in which different test reagents are accommodated, respectively, wherein a lysis solution having a specimen mixed therein is supplied to each of the chambers to perform a reaction of the specimen with respect to a test reagent; an optical part which radiates a diagnostic beam to each of the chambers while being sequentially moved along the direction in which the plurality of chambers are arranged, and receives an optical signal from each of the chambers; and a diagnosis part in which a plurality of reaction data for one specimen are obtained on the basis of the optical signal according to the test reagent and the wavelength of the diagnostic beam, and which outputs a test result for the specimen on the basis of the reaction data.
    Type: Application
    Filed: March 8, 2023
    Publication date: June 12, 2025
    Inventors: Byoung Yeon WON, Seung Hwan RYU, Youn Tae IM, Kwang Won CHOI, Byeong Chul KIM
  • Publication number: 20250186313
    Abstract: Provided is a scalp or hair care composition including a nano-carbon structure. The nano-carbon structure can retain moisture of the scalp or hair even in a small amount, and relieve inflammation of the scalp to increase a hair and scalp care effect. In addition, the nano-carbon structure has the advantage of being applicable to various mixtures due to maximized dispersibility.
    Type: Application
    Filed: March 15, 2023
    Publication date: June 12, 2025
    Applicant: INBCT Co., Ltd.
    Inventors: Jaechul RYU, Soon Won CHOI
  • Publication number: 20250177976
    Abstract: A test cartridge includes: a reagent reaction part in which a plurality of chambers accommodating test reagents are arranged; a lysis solution distribution part which is connected to a vial container accommodating a lysis solution, receives the lysis solution, and distributes the lysis solution to the respective chambers; and a container seating part which has a container insertion space into which the vial container is inserted, surrounds the lysis solution distribution part, and is seated on the reagent reaction part.
    Type: Application
    Filed: March 8, 2023
    Publication date: June 5, 2025
    Inventors: Byoung Yeon WON, Seung Hwan RYU, Youn Tae IM, Kwang Won CHOI, Byeong Chul KIM
  • Publication number: 20250182832
    Abstract: A semiconductor device may include a first source line driving circuit that drives a first source line, a second source line driving circuit that drives a second source line, a first memory block including a plurality of first memory strings coupled between the first source line and a plurality of bit lines, respectively, and a second memory block including a plurality of second memory strings coupled between the second source line and the plurality of bit lines, respectively.
    Type: Application
    Filed: March 6, 2024
    Publication date: June 5, 2025
    Inventors: Won Jae CHOI, Sung Lae OH, Jea Won CHOI
  • Publication number: 20250177602
    Abstract: An object of the invention is to provide an eco-friendly adhesive which is eco-friendly and economical using lignin hydrogel. In order to achieve the above-identified object, in an eco-friendly adhesive including lignin hydrogel according to the invention, the lignin hydrogel includes a network structure through a bonding between lignin and a zwitterionic polymer.
    Type: Application
    Filed: October 25, 2024
    Publication date: June 5, 2025
    Inventors: Youn Soo KIM, YiLuo HU, Jae Won CHOI, Dong Soo HWANG, Asila Ahmed Mohmmed OSMAN
  • Patent number: 12324353
    Abstract: An organic light emitting device comprising a first electrode, a second electrode provided to face the first electrode, and a light emitting layer provided between the first electrode and the second electrode and including a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, the organic light emitting device which exhibits low driving voltage, high emission efficiency, and long lifespan characteristics.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 3, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Minjun Kim, Dong Hoon Lee, Sang Duk Suh, Donghee Kim, Seoyeon Kim, Da Jung Lee, Seung Won Choi
  • Patent number: 12324324
    Abstract: A display device includes signal lines and pixels connected thereto. A first pixel includes a first transistor including a first gate electrode, a first channel region overlapping the first gate electrode, a first source region, and a second drain region facing the first source region, with the first channel region interposed between the first source region and the second drain region. A third transistor includes a third gate electrode, a third channel region overlapping the third gate electrode, a third drain region connected to the first gate electrode, and a third source region facing the third drain region with the third channel region interposed between the third source region and the third drain region. A shielding part overlaps a boundary between the third source region and the third channel region and does not overlap a boundary between the third drain region and the third channel region.
    Type: Grant
    Filed: June 11, 2024
    Date of Patent: June 3, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Won Choi, Dong Soo Kim, Hyun-Chol Bang, Chang Soo Pyon, Ji-Eun Lee
  • Publication number: 20250174706
    Abstract: An isostatic pressing method for an all-solid-state battery includes: (a) disposing a lower jig with an internal space accommodating a fluid for an isostatic pressing and a pouch cell; (b) mounting and securing a first plate inside the lower jig; (c) accommodating the pouch cell in the opening of the first plate in a state where a cup part faces upward, downward, or both upward and downward directions; (d) stacking a second plate on an upper surface of the first plate, to press and secure a sealing part disposed at an outer periphery of the pouch cell by the second plate, while continuing to expose the cup part in an outward direction; and (e) stacking and securing an upper jig on a top of the lower jig to seal the internal space, and then, injecting the fluid into the internal space to perform an isostatic pressing.
    Type: Application
    Filed: November 26, 2024
    Publication date: May 29, 2025
    Inventors: Seong Won CHOI, Yeeum KIM, Ji Young KIM, Daejin LEE
  • Publication number: 20250175082
    Abstract: The present invention relates to a multi-path converter, which adds a current transfer path using a capacitor to a current transfer path using an inductor to supply a current that is output to an output end (load) to a plurality of parallel paths, thereby reducing a total RMS current flowing through the inductor, and a control method therefor.
    Type: Application
    Filed: January 31, 2025
    Publication date: May 29, 2025
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Gyu Hyeong CHO, Yeun Hee HUH, Se Un SHIN, Sung Won CHOI, Yong Min JU, Sang Jin LIM
  • Publication number: 20250174482
    Abstract: Disclosed is a transfer robot provided in a semiconductor manufacturing facility including a first transfer module and a second transfer module detachably coupled to the first transfer module. The transfer robot transfers a substrate while moving along the first and second transfer modules. The transfer robot includes a moving body moving along first and second tracks respectively mounted to the first and second transfer modules, an encoder module detecting a first scale mounted along the first track and a second scale mounted along the second track to generate a position signal, a controller detecting the position of the transfer robot based on the position signal, and a servo system controlling driving of the moving body in accordance with the detected position. The encoder module includes a first encoder and a second encoder mounted with an interval therebetween along the first track and in the longitudinal direction of the second track.
    Type: Application
    Filed: November 24, 2024
    Publication date: May 29, 2025
    Applicant: SEMES CO., LTD.
    Inventors: Hee Jae BYUN, Kyo Bong KIM, Jae Won CHOI, Sang Oh KIM
  • Publication number: 20250170978
    Abstract: Disclosed is a shroud structure for a telescopic steering wheel of a vehicle, the shroud structure including a column elastically coupled to a fixture, and a shroud assembly disposed to surround the column and being movable together with the column, wherein the shroud assembly includes a first shroud and a second shroud, and wherein the second shroud is rotatably coupled to the first shroud.
    Type: Application
    Filed: March 21, 2024
    Publication date: May 29, 2025
    Inventors: Yong Won Choi, Ji Yun Ha, Dae Hee Lee, Seung Cheol Kim
  • Publication number: 20250167164
    Abstract: A semiconductor package may include a substrate, a chip structure on the substrate, a connection pad on the substrate, a connection sheet on the connection pad, and a connection wire electrically connecting the chip structure and the substrate, the connection pad and the connection sheet may include the same material, and a grain boundary may be formed between the connection sheet and the connection pad.
    Type: Application
    Filed: July 12, 2024
    Publication date: May 22, 2025
    Inventors: Jiyeong KIM, TEA-GEON KIM, WONGEUN JUNG, WON CHOI
  • Publication number: 20250167136
    Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.
    Type: Application
    Filed: January 2, 2025
    Publication date: May 22, 2025
    Applicant: SK hynix Inc.
    Inventors: Jun Hyuk PARK, Kyung Min PARK, Sung Gon JIN, Dong Won CHOI
  • Publication number: 20250167406
    Abstract: A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells; and a busbar assembly positioned on a side of the battery cells and configured to electrically connect the battery cells, wherein the busbar assembly includes a sub-busbar for electrical connection to positive electrodes and negative electrodes of the battery cells; and a busbar cover configured to cover the sub-busbar, and having a busbar hole to guide the electrical connection between the sub-busbar and the battery cells.
    Type: Application
    Filed: May 4, 2022
    Publication date: May 22, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Oh YANG, Kwang-Keun OH, In-Hyuk JUNG, Hae-Won CHOI
  • Publication number: 20250160384
    Abstract: Provided are a method for producing a reconstituted tobacco leaves sheet including a drying step of applying hot air of 80° C. to 150° C. to a reconstituted tobacco leaves slurry, and a cigarette containing a reconstituted tobacco leaves sheet produced thereby. The reconstituted tobacco leaves sheet produced by the producing method according to one specific example of the present invention has an increased ratio of thickness to basis weight. In the producing method, controlling a pressure applying hot air or controlling a viscosity by changing a composition of the reconstituted tobacco leaves slurry helps to improve properties of the produced reconstituted tobacco leaves sheet.
    Type: Application
    Filed: September 12, 2024
    Publication date: May 22, 2025
    Inventors: Sang Won CHOI, Hyeong Geol KIM