Patents by Inventor Seung-Jong Lee

Seung-Jong Lee 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: 20240128260
    Abstract: Disclosed are a semiconductor device (1) including a MOSPET region and an integrated diode region, and a manufacturing method thereof. More particularly, a semiconductor device (1) including a silicon carbide (SiC) MOSPET region and an integrated Schottky bather diode that reduce forward voltage drop (Vf), device area, and switching oscillation resulting from parasitic inductance are disclosed.
    Type: Application
    Filed: April 17, 2023
    Publication date: April 18, 2024
    Inventors: Seung Hyun KIM, Hee Bae LEE, Jae Yuhn MOON, Soon Jong PARK
  • Patent number: 11961720
    Abstract: Disclosed herein is a multi-channel device for detecting plasma at an ultra-fast speed, including: a first antenna module connected to a first output terminal in contact with a substrate on a chuck of a process chamber and extending to ground, and receiving a first leakage current leaking through the substrate to increase reception sensitivity of the leakage current; a first current detection module detecting the first leakage current; a current measurement module receiving the first leakage current output from the first current detection module, and extracting the received first leakage current for each predetermined period to generate a first leakage current measurement information; and a control module comparing the first leakage current measurement information with a reference value to generate first arcing occurrence information.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 16, 2024
    Assignee: T.O.S Co., Ltd.
    Inventors: Yong Kyu Kim, Bum Ho Choi, Yong Sik Kim, Kwang Ki Kang, Hong Jong Jung, Seok Ho Lee, Seung Soo Lee
  • Publication number: 20240105963
    Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.
    Type: Application
    Filed: March 6, 2023
    Publication date: March 28, 2024
    Inventors: Seung Tak Noh, Ji Han Lee, In Seok Lee, Jae Man Park, Won Jong Choi, Choong Hee Kim, Seong Hwang Kim, Jong Hoon Lee, Soo Jin Park, Seul Yi Lee
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Patent number: 11705889
    Abstract: Provided is a compact digital attenuator. The compact digital attenuator includes a first attenuation cell to an nth attenuation cell, which include a plurality of attenuation cells connected to each other in parallel through a transmission line, wherein each of the plurality of attenuation cells may include a plurality of switch elements connected to each other in parallel, wherein the plurality of switch elements may be connected to the transmission line through one contact point.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: July 18, 2023
    Assignee: Korea University Research and Business Foundation
    Inventors: Sanggeun Jeon, Kwangwon Park, Seung Jong Lee
  • Publication number: 20230172357
    Abstract: A use state-switchable massage device includes a backrest part and a seat part. In the use state-switchable massage device, the use state can be switched so that a user may perform a massage while sitting (sitting-mode) or lying down (lying-mode). When the use state is switched from the sitting state to the lying state, the massage may be performed in a state in which the user's waist is fully stretched (a state in which the spine is straightened while being curved upward).
    Type: Application
    Filed: November 29, 2022
    Publication date: June 8, 2023
    Inventors: Su Hyun Kim, Sang Ho Choi, Dong Myoung Lee, Seung Jong Lee
  • Publication number: 20230094962
    Abstract: Disclosed are an anode for a lithium secondary battery, a lithium secondary battery including the anode, and a manufacturing method thereof. In particular, the anode includes a lithium metal layer and an interfacial layer made of phosphorous-doped graphitic carbon nitride and a single ion conducting polymer.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 30, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Advanced Institute of Science and Technology
    Inventors: Jong Chan Song, Jae Wook Shin, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Hee Tak Kim, Young Il Roh
  • Publication number: 20230070983
    Abstract: Disclosed are an anode for a lithium secondary battery including a porous and thin-film anode current collector layer and a method for manufacturing the same.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 9, 2023
    Inventors: Jong Chan Song, Jae Wook Shin, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Yun Seog Lee, Ho Young Kim, Hee Dong Kwak, Jung Taek Kim, Seung Eun Paik, Chang Hyun Lim
  • Publication number: 20230061580
    Abstract: Disclosed are a method for manufacturing a porous structure for lithium batteries, a porous structure for lithium batteries manufactured thereby, an anode for lithium batteries including the porous structure for lithium batteries, and a lithium battery including the same.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 2, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Kwangju Institute of Science and Technology
    Inventors: Jae Wook Shin, Jong Chang Song, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Kwang Sup Eom, Ha Yong Song, Da In Seok, Jin Hyeon Jo
  • Publication number: 20230066229
    Abstract: A battery module includes a plurality of unit cells stacked along a stacking direction thereof; and at least one pair of magnet members arranged to provide a compressive force to the stacked plurality of unit cells and magnetically coupled to each other.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 2, 2023
    Inventors: Seong Min HA, Jong Chan Song, Jae Wook Shin, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu
  • Publication number: 20220131531
    Abstract: Provided is a compact digital attenuator. The compact digital attenuator includes a first attenuation cell to an nth attenuation cell, which include a plurality of attenuation cells connected to each other in parallel through a transmission line, wherein each of the plurality of attenuation cells may include a plurality of switch elements connected to each other in parallel, wherein the plurality of switch elements may be connected to the transmission line through one contact point.
    Type: Application
    Filed: January 22, 2021
    Publication date: April 28, 2022
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Sanggeun JEON, Kwang-won PARK, Seung Jong LEE
  • Patent number: 10298219
    Abstract: A pass switch circuit for transferring the voltage of an input node to an output node and a method of controlling the pass switch circuit are disclosed herein. The pass switch circuit includes a pass switch, a first capacitor, and a first switch. The pass switch transfers a voltage level from an input node to an output node. The first capacitor is configured such that the node of one side thereof has a first level of voltage when the voltage of the control node of the pass switch is in a first state. The first switch connects the node of the one side of the first capacitor with the control node of the pass switch.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: May 21, 2019
    Assignee: Silicon Works Co., Ltd.
    Inventors: Seung Jong Lee, Hoo Hyun Cho, Young Jin Woo
  • Patent number: 10056123
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: August 21, 2018
    Assignee: Lattice Semiconductor Corporation
    Inventors: Alan Ruberg, Seung-Jong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy
  • Patent number: 9743017
    Abstract: Embodiments of the invention are generally directed to an integrated mobile desktop. An embodiment of an apparatus includes a display chip to receive graphical data and produce video display signals; and a logic chip to receive data from a mobile device and the video display signals from the display chip to generate a display including at least a portion for a representation of a display of the mobile device. The logic chip provides for integration of operations for the apparatus and the mobile device using the generated display.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: August 22, 2017
    Assignee: Lattice Semiconductor Corporation
    Inventors: Marshall Goldberg, Wooseung Yang, Ju Hwan Yi, Seung Jong Lee
  • Patent number: 9742404
    Abstract: A level shifter circuit with improved time response and a control method thereof are disclosed herein. The level shifter circuit includes the output stage circuit of a level shifter and a booster circuit. The output stage circuit of the level shifter includes a first pass switch configured to transfer a voltage level of the first power supply of the level shifter to an output node, and a second pass switch connected between a second power supply and the first pass switch. The booster circuit accelerates the switching operation of the level shifter by accelerating a time response during the turning on or off operation of the first pass switch using charge sharing between a first capacitor and the parasitic capacitance of the control node of the first pass switch, which occurs via a first switch.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: August 22, 2017
    Assignee: Silicon Works Co., Ltd.
    Inventors: Seung Jong Lee, Young Jin Woo, Hoo Hyun Cho
  • Patent number: 9610557
    Abstract: The present invention relates to a cylindrical non-melt and partial melt type entrained flow bed gasifier with one or more burners mounted on the top thereof for supplying pulverized raw coal and oxidizer thereto, wherein each of the burners comprises three or four pipes so as to form a central supplying line for injecting the pulverized coal with a carrier gas into the gasifier, a primary oxidizer annular region around the central supplying line having a plurality of primary oxidizer supplying bores for injecting primary oxidizer vertically or at an angle to the injection region of the pulverized coal supplied through the central supplying line so as to direct the pulverized coal to the central region, and an outer cooling annular region around the primary oxidizer annular region for flowing cooling water, which is operated preferably at a temperature range of 1,250˜1,450° C., or of 1,150˜1,500° C. according to the properties of the coal.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: April 4, 2017
    Assignees: Institute For Advanced Engineering, Korea Western Power Co., Ltd.
    Inventors: Yongseung Yun, Jin Wook Lee, Seung Jong Lee, Seok Woo Chung, Dae Sung Kim
  • Publication number: 20160204770
    Abstract: A level shifter circuit with improved time response and a control method thereof are disclosed herein. The level shifter circuit includes the output stage circuit of a level shifter and a booster circuit. The output stage circuit of the level shifter includes a first pass switch configured to transfer a voltage level of the first power supply of the level shifter to an output node, and a second pass switch connected between a second power supply and the first pass switch. The booster circuit accelerates the switching operation of the level shifter by accelerating a time response during the turning on or off operation of the first pass switch using charge sharing between a first capacitor and the parasitic capacitance of the control node of the first pass switch, which occurs via a first switch.
    Type: Application
    Filed: August 10, 2015
    Publication date: July 14, 2016
    Inventors: Seung Jong Lee, Young Jin Woo, Hoo Hyun Cho
  • Publication number: 20160149568
    Abstract: A pass switch circuit for transferring the voltage of an input node to an output node and a method of controlling the pass switch circuit are disclosed herein. The pass switch circuit includes a pass switch, a first capacitor, and a first switch. The pass switch transfers a voltage level from an input node to an output node. The first capacitor is configured such that the node of one side thereof has a first level of voltage when the voltage of the control node of the pass switch is in a first state. The first switch connects the node of the one side of the first capacitor with the control node of the pass switch.
    Type: Application
    Filed: January 9, 2015
    Publication date: May 26, 2016
    Inventors: Seung Jong Lee, Hoo Hyun Cho, Young Jin Woo
  • Patent number: 9085417
    Abstract: Provided are a medium transferring apparatus and a financial device. The medium transferring apparatus comprises one or more driving rollers disposed on a side of a medium transferring path, a belt wound around the one or more driving rollers and operated by rotation of the one or more driving rollers, and one or more support rollers contacting one surface of the belt. A medium passes between the one surface of the belt and the one or more support rollers.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: July 21, 2015
    Assignee: LG CNS Co., Ltd.
    Inventor: Seung Jong Lee
  • Publication number: 20150032975
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Application
    Filed: October 16, 2014
    Publication date: January 29, 2015
    Inventors: Alan Ruberg, Seung-Jong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy