Patents by Inventor Dong Chan

Dong Chan 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: 20250148833
    Abstract: In an embodiment, a system for managing an electronic card of a vehicle, an apparatus therefor, and a method therefor can include a processor configured to recognize a unique identification of a terminal loaded in the vehicle, compare the unique identification of the terminal loaded in the vehicle with a first unique identification stored in a memory to determine whether the terminal loaded in the vehicle is replaced, and if it is determined that the terminal loaded in the vehicle is replaced with a second terminal different from the first terminal, transmit a second unique identification of the second terminal to a server. The server may update the first unique identification to the second unique identification transmitted from the processor and delete a second electronic card previously issued to the second terminal.
    Type: Application
    Filed: March 7, 2024
    Publication date: May 8, 2025
    Inventors: Seung Jae Lee, Dong Chan Shin
  • Publication number: 20250151385
    Abstract: A semiconductor device includes a substrate including a first region and a second region, fin type active areas extending in a first direction away from the substrate in each of the first and second regions, a plurality of nanosheets extending parallel to an upper surface of the fin type active areas and being spaced apart from the upper surface of the fin type active areas, a gate extending over the fin type active areas in a second direction crossing the first direction, a gate dielectric layer interposed between the gate and each of the nanosheets, first source and drain regions included in the first region and second source and drain regions included in the second region, and insulating spacers interposed between the fin type active areas and the nanosheets, wherein air spacers are interposed between the insulating spacers and the first source and drain regions.
    Type: Application
    Filed: January 13, 2025
    Publication date: May 8, 2025
    Inventors: Dong-chan SUH, Gi-gwan PARK, Dong-woo KIM, Dong-suk SHIN
  • Publication number: 20250140024
    Abstract: The electronic toll collection system includes a mobile device of a first user, a vehicle including a memory configured to store first login information of the first user and second login information of a second user and an IC chip configured to perform payment, and a server configured to communicate with the mobile device and the vehicle. The server, upon receiving the first login information of the first user and sharing condition information for the IC chip from the vehicle, the IC chip as a sharable chip, transmits, upon receiving the second login information of the second user and sharing request information from the vehicle, the received sharing request information to the mobile device, and transmits, upon receiving sharing approval information and sharing condition information from the mobile device, the activation command or deactivation command of the IC chip to the vehicle based on the received sharing condition information.
    Type: Application
    Filed: September 11, 2024
    Publication date: May 1, 2025
    Inventors: Dong Chan SHIN, Seung Jae LEE
  • Patent number: 12289077
    Abstract: There is provided a water solar power generation system including: a solar cell plate; a frame supporting the solar cell frame; and a float installed in the frame and positioning the solar cell plate on the surface of the water while floating on the surface of the water. The frame becomes a negative electrode and an optical electrode which becomes a positive electrode, and is electrically connected to the frame, and causes water decomposition while contacting water in the water to generate oxygen in the water.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 29, 2025
    Assignee: SCOTRA CORPORATION
    Inventors: Jong-Mok Lee, Chang-Sub Won, Dong-Chan Kim, Myeng-Gil Gang, Sang-Gu Kim
  • Publication number: 20250120129
    Abstract: A semiconductor device includes a drain, a source, a gate electrode, and a nanowire between the source and drain. The nanowire has a first section with a first thickness and a second section with a second thickness greater than the first thickness. The second section is between the first section and at least one of the source or drain. The first nanowire includes a channel when a voltage is applied to the gate electrode.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 10, 2025
    Inventors: Seung Hun LEE, Dong Woo KIM, Dong Chan SUH, Sun Jung KIM
  • Publication number: 20250078486
    Abstract: An electronic device for multimodal temporal-axis fusion artificial intelligence models is proposed. The electronic device comprises a storage unit, and a processor, wherein the processor may obtain a plurality of first visual features respectively corresponding to a plurality of different time points or time periods from a video, obtain a plurality of text features respectively corresponding to the plurality of time points or time periods from text, obtain a plurality of first local fusion features, respectively corresponding to the plurality of time points or time periods, from the plurality of first visual features and the plurality of text features by fusing the first visual features and the text features, which correspond to a same time point or time period, and obtain at least one global fusion feature from the plurality of first local fusion features.
    Type: Application
    Filed: August 20, 2024
    Publication date: March 6, 2025
    Applicant: PYLER CO., LTD.
    Inventors: Dong Chan PARK, Mobeen AHMAD
  • Patent number: 12243727
    Abstract: An electrostatic chuck includes a chuck body which supports a substrate, at least one pin hole penetrating the chuck body in a vertical direction, a lift pin disposed in one of the at least one pin hole, wherein the lift pin moves along the one of the at least one pin hole, and an expansion member which is provided at an inner circumference of the one of the at least one pin hole, the expansion member having an inner circumferential surface that, in response to a first power, selectively holds or releases an outer circumferential surface of the lift pin.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 4, 2025
    Assignee: SEMES CO., LTD.
    Inventors: Dong Chan Lee, Kyo Bong Kim
  • Patent number: 12224163
    Abstract: An ion beam source including a plasma chamber including a plasma generating space, a plasma generator configured to generate plasma in the plasma generating space, a first grid connected to the plasma chamber, a second grid connected to the plasma chamber, and a first grid driver connected to the first grid. The first grid driver may be configured to move the first grid relative to the second grid.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: SeungWan Yoo, Jeongyeon Lee, Dohyung Kim, Jaehong Park, Dong-Chan Lim
  • Patent number: 12225741
    Abstract: A semiconductor device includes a substrate including a first region and a second region, fin type active areas extending in a first direction away from the substrate in each of the first and second regions, a plurality of nanosheets extending parallel to an upper surface of the fin type active areas and being spaced apart from the upper surface of the fin type active areas, a gate extending over the fin type active areas in a second direction crossing the first direction, a gate dielectric layer interposed between the gate and each of the nanosheets, first source and drain regions included in the first region and second source and drain regions included in the second region, and insulating spacers interposed between the fin type active areas and the nanosheets, wherein air spacers are interposed between the insulating spacers and the first source and drain regions.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-chan Suh, Gi-gwan Park, Dong-woo Kim, Dong-suk Shin
  • Publication number: 20250025220
    Abstract: A cutting device for a bone fixing plate having a multipurpose bite for easily bending bone in the shape of a hook while reducing the size of a fixing plate for fixing fractured bone to each other. Curved surface cutting and V-shape cutting can be performed using one cutting device, thereby reducing the number of equipment, shortening surgery time, and generating a strong holding force at the time of bending to enable precise cutting.
    Type: Application
    Filed: June 14, 2024
    Publication date: January 23, 2025
    Inventors: Jeong-Yup KIM, Dong-Chan JANG
  • Patent number: 12206026
    Abstract: A semiconductor device includes a drain, a source, a gate electrode, and a nanowire between the source and drain. The nanowire has a first section with a first thickness and a second section with a second thickness greater than the first thickness. The second section is between the first section and at least one of the source or drain. The first nanowire includes a channel when a voltage is applied to the gate electrode.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: January 21, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hun Lee, Dong Woo Kim, Dong Chan Suh, Sun Jung Kim
  • Publication number: 20250017552
    Abstract: A method of measuring a speed of blood flow from a radio frequency (RF) signal, including decomposing a complex signal converted from the RF signal into base signals using singular value decomposition, classifying the base signals into a clutter signal, a blood flow signal, and a noise signal, separating a clutter region and a blood flow region from the classified clutter signal and blood flow signal, obtaining an output signal by removing the blood flow signal from the clutter signal in the clutter region and by removing the clutter signal from the blood flow signal in the blood flow region, and measuring a speed of the blood flow by calculating speckle decorrelation from the output signal.
    Type: Application
    Filed: November 21, 2022
    Publication date: January 16, 2025
    Applicant: NATIONAL CANCER CENTER
    Inventors: Dae Woo PARK, Dong Chan PARK
  • Publication number: 20250015340
    Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes platelet carbon nanofibers (Platelet Carbon Nano Fiber, PCNF) and silver nanoparticles.
    Type: Application
    Filed: May 27, 2022
    Publication date: January 9, 2025
    Inventors: Tae Gon KIM, Dong Chan LEE, Jeong Beom LEE, Sul Cham KIM, Hye Jin KWON, Hoe Jin HAH, Ki Tae KIM, So Hee KIM, Jeong Gil KIM, Myeong Soo KIM
  • Publication number: 20240395745
    Abstract: The present disclosure provides a semiconductor device manufacturing method that includes forming a lower chip and an upper chip, and bonding the lower chip and the upper chip to each other. The forming of the lower chip includes providing a lower substrate, sequentially forming a lower interlayer insulating film and a pre-lower adhesive film, etching portions of the pre-lower adhesive film and the lower interlayer insulating film to form a lower trench, forming, using a sputtering process, a first lower seed film and a second lower seed film. The forming of the upper chip includes providing an upper substrate, sequentially forming an upper interlayer insulating film and a pre-upper adhesive film, etching portions of the pre-upper adhesive film and the upper interlayer insulating film to form an upper trench, forming, using the sputtering process, a first upper seed film and a second upper seed film.
    Type: Application
    Filed: February 5, 2024
    Publication date: November 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Kyoung LEE, Tae Seong KIM, Ho-Jin LEE, Dong-Chan LIM, Jae Won HWANG
  • Patent number: 12156416
    Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: November 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
  • Patent number: 12142671
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device, the method including forming an active pattern on a substrate such that the active pattern includes sacrificial patterns and semiconductor patterns alternately and repeatedly stacked on the substrate; and forming first spacer patterns at both sides of each of the sacrificial patterns by performing an oxidation process, wherein the first spacer patterns correspond to oxidized portions of each of the sacrificial patterns, wherein the sacrificial patterns include a first semiconductor material containing impurities, wherein the semiconductor patterns include a second semiconductor material different from the first semiconductor material, and wherein the impurities include an element different from semiconductor elements of the first semiconductor material and the second semiconductor material.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 12, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Chan Suh, Sangmoon Lee, Yihwan Kim, Woo Bin Song, Dongsuk Shin, Seung Ryul Lee
  • Patent number: 12136731
    Abstract: A negative electrode active material that includes an active material core that allows for the intercalation and deintercalation of lithium ions. The negative electrode active material also includes a plurality of conductive materials positioned on a surface of the active material core, a plurality of organic linkers each including a hydrophobic group and a polar functional group bonded to the hydrophobic group, and an elastic unit. The elastic unit includes an elastic moiety having two or more binding sites, and a functional group bonded to a binding site of the elastic moiety. The functional group reacts with the polar functional group of the organic linker, and one or more of the plurality of organic linkers are connected to the conductive materials through the hydrophobic groups of the organic linkers.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: November 5, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Yo Han Kwon, Dong Chan Lee, In Sung Uhm, Jung Woo Yoo, Jae Hyun Lee, Je Young Kim
  • Patent number: 12098461
    Abstract: Disclosed is a plasma surface treatment apparatus for conductive powder. The plasma surface treatment apparatus for conductive powder comprises: a reaction chamber including a linear gas inlet at the lower end thereof and a gas outlet at the upper end thereof, and having a vertical cross section that is funnel-shaped; and a plasma jet generation device that is located below the linear gas inlet and is configured to discharge a plasma jet into the reaction chamber from below in an upward direction through the linear gas inlet, wherein powder is accommodated in the reaction chamber and is treated by plasma while buoyed by the plasma jet.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: September 24, 2024
    Assignee: KOREA INSTITUTE OF FUSION ENERGY
    Inventors: Seung Ryul Yoo, Yong Sup Choi, Yong Ho Jung, Dong Chan Seok, Kang Il Lee
  • Publication number: 20240304484
    Abstract: A stocker system including a stocker apparatus, a transfer robot including a sensing module and a robot arm, a manual port of the stocker apparatus, and a controller in communication with the transfer robot, wherein the controller communicates with the sensing module to determine that a container is transferrable by the robot arm between the manual port of the stocker apparatus and the transfer robot.
    Type: Application
    Filed: November 30, 2023
    Publication date: September 12, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Hyeon Uk KIM, Kyoung Soo KIM, Kun Jin RYU, Gyeong Dam BAEK, Seung Hyuk BAEK, Dong Chan SEO, Hu Jong LEE, Jae Hyuk CHA, Ji Won YOON, Sun Oh KIM, Kyeong Jun MIN, Ji Wook KWON, Seung Seok HA, Gil Do KIM
  • Patent number: 12046755
    Abstract: A negative electrode active material that includes active material core particles that allow the intercalation and deintercalation of lithium ions; a conductive material disposed on a surface of each active material core particle; an organic linker that connects the active material core particles and the conductive material; and an elastomer that covers at least a part of the active material core particles and the conductive material. The conductive material includes at least one selected from the group consisting of a linear conductive material and a planar conductive material, and the organic linker is a compound that includes a hydrophobic structure and a substituent including a polar functional group.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: July 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Yo Han Kwon, In Sung Uhm, Jae Hyun Lee, Dong Chan Lee, Joonwon Lim