Patents by Inventor Don Lee

Don 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).

  • Patent number: 12374723
    Abstract: Discussed is a method for manufacturing an electrode assembly, the method including a first combination process of combining a plurality of first electrodes with a first separator at regular intervals to form a first combination; and a second combination process of combining a plurality of second electrodes with the first combination to form a second combination, wherein each of the plurality of second electrodes respectively faces each of the plurality to first electrodes with the first separator therebetween.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: July 29, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Woong Ki Kim, Sang Don Lee, Min Seung Choi, Sang Uk Yeo
  • Publication number: 20250172132
    Abstract: A gas supply pump for a ship dual fuel engine is described. The gas supply pump includes a rotatable camshaft, a plurality of cam noses arranged at regular intervals along a lengthwise direction of the camshaft, a cam roller in close contact with each cam nose, a drive shaft and a piston adjacent to each other on one side of the cam roller, a liquefied gas compression device to compress and discharge liquefied gas by a linear reciprocating motion of the piston, a coupling case at a coupled part of the drive shaft and the piston, a rack member connected to the drive shaft, or connected and fixed to both the drive shaft and the piston in an internal space of the coupling case, and a pinion engaged with a teeth-shaped rack on an outer surface of the rack member.
    Type: Application
    Filed: January 26, 2025
    Publication date: May 29, 2025
    Inventors: Sang Don LEE, Chang Ha LEE, Tae Hyung PARK, Tae Soo KIM, Young Seok SONG
  • Publication number: 20250163264
    Abstract: The present invention relates to a liquid crystal polyester resin composition, a molded article, and an electronic component material including the same and, more particularly, to a liquid crystal polyester resin composition that has good weld line impact strength and is resistant to dust generation, a molded article, and an electronic component material including the same.
    Type: Application
    Filed: September 23, 2024
    Publication date: May 22, 2025
    Inventors: Seung Been SONG, Sang Don LEE, Su hak BAE, Sun Hwa JANG, Youn Eung LEE, Jun Ha KIM
  • Publication number: 20250163326
    Abstract: A liquid crystal polyester resin composition, a molded article, and an electronic component material including the same are disclosed. The liquid crystal polyester resin composition has good mechanical properties, good weld line impact strength, high dimensional stability, and resistance to dust generation.
    Type: Application
    Filed: September 23, 2024
    Publication date: May 22, 2025
    Inventors: Sang Don LEE, Seung Been SONG, Su hak BAE, Sun Hwa JANG, Youn Eung LEE, Ye Jin KWON
  • Publication number: 20250166430
    Abstract: A vehicle including a relay welding diagnosis function and a relay welding diagnosis method performed in the vehicle, is configured to be connectable to a charger providing a charging voltage, and includes a fuel cell configured to provide a stack voltage, a multi-converter configured to increase the level of the charging voltage or the stack voltage and to output the charging voltage or the stack voltage having the increased level as a boosted voltage, a charging relay disposed between the charger and the multi-converter, and a battery configured to store electrical energy of the boosted voltage. The multi-converter includes a voltage booster connected between the charging relay and the battery and configured to generate the boosted voltage and a converter controller configured to diagnose whether the charging relay is welded using a result of sensing an input-terminal voltage and an output-terminal voltage of the charging relay.
    Type: Application
    Filed: August 26, 2024
    Publication date: May 22, 2025
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Jae Hun Jeong, Mun Soo Chung, Kyu Won Jeong, Tae Woo Kim, Jong Dae Kim, Beom Sik Kim, Sang Don Lee
  • Patent number: 12286578
    Abstract: A liquid crystalline resin composition is disclosed. The liquid crystalline resin composition includes a liquid crystalline resin, a fine particulate filler including barium sulfate (BaSO4), and a nanofiller including carbon nanotubes (CNT), wherein a content of the nanofiller based on the total weight of the fine particulate filler and the nanofiller is about 6 wt % to about 30 wt %.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: April 29, 2025
    Assignees: Samsung Electro-Mechanics Co., Ltd., SEYANG POLYMER CO., LTD.
    Inventors: Namkeun Oh, Jung Hyun Park, Dohwan Kim, Donghoon Lee, Sanghyun Ji, Dooseub Shin, Ju Ho Kim, Jin Kyu Lee, Sang Don Lee, Sueng Bin Song
  • Patent number: 12247564
    Abstract: The present invention relates to a gas supply pump comprising: a camshaft which can be rotated; a plurality of cam noses provided at regular intervals in a lengthwise direction of the camshaft and having an eccentric shape from the center of the camshaft; a cam roller provided to be in close contact with each cam nose; and a drive shaft and a piston provided to neighbor with one side of the cam roller; and a liquefied gas compression device which pressurizes and exhausts a liquefied gas according to a straight reciprocation of the piston.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 11, 2025
    Assignee: Hyundai Heavy Industries Co., Ltd.
    Inventors: Sang Don Lee, Chang Ha Lee, Tae Hyung Park, Tae Soo Kim, Young Seok Song
  • Patent number: 12243767
    Abstract: In accordance with an exemplary embodiment of the present invention, an assembly for supporting substrate, the assembly comprising: a support frame having at least one insertion hole recessed from one surface of the support frame, the insertion hole having an inner movement hole and a screw hole positioned outside the inner movement hole; and a substrate support member including a shaft body inserted into the insertion hole with one end of the shaft body and a pin shaft connected to the shaft body to support the substrate in contact, wherein the shaft body having an inner screw body inserted into the insertion hole and positioned in the inner movement hole and a connection body disposed between the inner screw body and the pin shaft and positioned in the screw hole, wherein the inner diameter of the screw hole is smaller than the diameter of the inner movement hole and the outer diameter of the inner screw body, the inner screw body is capable of passing through the screw hole by rotation.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: March 4, 2025
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Sang Don Lee, Yong Ki Kim, Yang Sik Shin, Sung Gyun Son, Jae Woo Kim
  • Patent number: 12232318
    Abstract: A nonvolatile memory device including a mold structure including a plurality of gate electrodes on a substrate, the plurality of gate electrodes including first, second, and third string selection lines sequentially stacked on the substrate; a channel structure that penetrates the mold structure and intersects each of the gate electrodes; a first cutting region that cuts each of the gate electrodes; a second cutting region that is spaced apart from the first cutting region in a first direction and cuts each of the gate electrodes; a first cutting line that cuts the first string selection line between the first cutting region and the second cutting region; a second cutting line that cuts the second string selection line between the first cutting region and the second cutting region; and a third cutting line that cuts the third string selection line between the first cutting region and the second cutting region.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Ho Ahn, Sung-Min Hwang, Joon-Sung Lim, Bum Kyu Kang, Sang Don Lee
  • Publication number: 20250042269
    Abstract: An embodiment power control apparatus for a fuel cell vehicle includes a first relay connected to a fuel cell stack, a second relay selectively connected to an external charger, a converter connected to the first relay and the second relay, wherein the converter is configured to convert first electric power input thereto via the first relay into first demand electric power, convert second electric power input thereto via the second relay into second demand electric power, and supply the first demand electric power or the second demand electric power to a power consumption device, and a controller configured to control the first relay, the second relay, and the converter.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 6, 2025
    Inventors: Beom Sik Kim, Kyu Won Jeong, Tae Woo Kim, Jae Hun Jeong, Mun Soo Chung, Sang Don Lee
  • Publication number: 20250029868
    Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus includes a chamber in which a process with respect to a substrate is performed, a susceptor which is installed in the chamber and on which the substrate is placed, a plurality of lift pins passing through the susceptor to support the substrate, and a plurality of protection plugs protruding from a bottom surface of the susceptor to surround a portion of each of the lift pins protruding from the bottom surface of the susceptor.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 23, 2025
    Applicant: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Doo Yeol RYU, Ho Min CHOI, Wan Suk OH, Sung Gyun SON, Hyo Jin AHN, Sang Don LEE, Woo Young KANG, Se Yeong KIM, Ki Ho KIM, Koon Woo LEE
  • Patent number: 12179607
    Abstract: An integrated power supply includes a first low voltage DC-DC converter (LDC) that converts supply power to a first output voltage and provides the first output voltage to a first auxiliary battery and a first electric load connected to each other in parallel; a second LDC that converts the supply power to a second output voltage and provides the first output voltage to a second auxiliary battery and a second electric load connected to each other in parallel; and an integrated controller that controls the first LDC and the second LDC to change output voltages of the first LDC and the second LDC. The first auxiliary battery and the second auxiliary battery are connected in series, and when the first LDC fails, the second LDC outputs a second increase output voltage that is higher than the second output voltage under control of the integrated controller.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: December 31, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sangkyu Lee, Wonseok Jin, Tae Woo Kim, Sela Lim, Sang Don Lee
  • Patent number: 12140044
    Abstract: The present disclosure relates to a blade and a gas turbine, and a blade may include: a body part; an injection hole comprising a communication part connected to an internal flow passage formed inside the body part; and an extension connecting the communication part and a surface of the blade to each other and having a width gradually increasing from the communication part the surface of the blade and configured to inject a cooling fluid to the surface of the blade; and an injection guide means disposed in the extension and configured to uniformly inject the cooling fluid in an expanding manner so as to form a cooling film on the surface of the blade. According to the present disclosure, it is possible to form the cooling film wider on the surface of the blade, by preventing a problem of a separation that occurs during when the cooling fluid flows through materialization of the uniform injection of the cooling fluid to the surface of the blade.
    Type: Grant
    Filed: December 27, 2023
    Date of Patent: November 12, 2024
    Assignee: HL MANDO CORPORATION
    Inventor: Ki Don Lee
  • Publication number: 20240360417
    Abstract: The present disclosure relates to a method for preparing cells for cancer treatment and a kit for cancer treatment comprising cells prepared by the method. The preparation method of the present disclosure can provide F cells, which, in spite of having no difference in the proliferative capacity compared with mesenchymal stem cells expressing cytosine deaminase that are harvested and used immediately after the culture, exhibit a very excellent tumor suppressive effect through the treatment together with 5-FC and induce a remarkable synergistic effect exceeding an effect from combinative treatment with an existing anticancer drug in cases of a combinative treatment with another anticancer drug. Therefore, the present disclosure can be utilized for a kit for cancer treatment comprising such F cells, and thus can be favorably used to maximize the effect of existing cancer treatments.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 31, 2024
    Inventors: Hae Young SUH, Sung Soo KIM, Da Young CHANG, Jin Hwa JUNG, Young Don LEE, Woo Sup HWANG, Jin Sung PARK, Su Jung LEE
  • Patent number: 12103801
    Abstract: A raw material supply device for a separator of a secondary battery includes a conveyor for causing an end portion of the supplied raw material to move to an end portion of the existing raw material; and a bonding unit for bonding the end portion of the supplied raw material and the end portion of the existing raw material. The raw material supply device may automatically bond the existing raw material and the supplied raw material by using ultrasonic waves with respect to the raw material for the separator of the secondary battery in the form of a roll.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: October 1, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dongsoon Choi, Sang Don Lee, Woong Ki Kim, Doseong Han
  • Publication number: 20240318561
    Abstract: The present disclosure relates to a blade and a gas turbine, and a blade may include: a body part; an injection hole comprising a communication part connected to an internal flow passage formed inside the body part; and an extension connecting the communication part and a surface of the blade to each other and having a width gradually increasing from the communication part the surface of the blade and configured to inject a cooling fluid to the surface of the blade; and an injection guide means disposed in the extension and configured to uniformly inject the cooling fluid in an expanding manner so as to form a cooling film on the surface of the blade. According to the present disclosure, it is possible to form the cooling film wider on the surface of the blade, by preventing a problem of a separation that occurs during when the cooling fluid flows through materialization of the uniform injection of the cooling fluid to the surface of the blade.
    Type: Application
    Filed: December 27, 2023
    Publication date: September 26, 2024
    Inventor: Ki Don LEE
  • Patent number: 12100796
    Abstract: A method for manufacturing an electrode assembly includes a first combination step of combining a first electrode with an upper portion of a first separator to form a first combination, and a second combination step of combining the first combination so that a second electrode faces the first electrode with the first separator therebetween after the second electrode is stacked on a second separator, wherein the first combination step comprises a first electrode cutting process of moving the first electrode in an X-axis direction that is a progress direction to cut the first electrode to a predetermined size, a first electrode transfer process of transferring the cut first electrode, a first first-electrode position detection process of measuring a Y-axis position of the first electrode, a first separator meandering correction process of moving the first separator, a first stacking process of stacking the first electrode on the first separator.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: September 24, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Woong Ki Kim, Sang Don Lee, Sang Uk Yeo
  • Publication number: 20240309766
    Abstract: The present invention relates to a turbine blade for a gas turbine, and one aspect of the present invention provides a blade for a gas turbine, the blade including a blade body portion having a leading edge and a trailing edge respectively disposed at an upstream side and a downstream side based on a flow direction of a working fluid, a cooling airflow path disposed in the blade body portion and configured to provide a flow path for cooling air, inflow paths configured to communicate with the cooling airflow path, outflow paths through which the cooling air is injected toward the trailing edge, and a communication chamber, located between the inflow paths and the outflow paths, configured to allow communication between the inflow paths and the outflow paths, in which the inflow paths and the outflow paths are positioned offset in a radial direction of the blade body portion.
    Type: Application
    Filed: December 12, 2023
    Publication date: September 19, 2024
    Inventor: Ki Don LEE
  • Publication number: 20240304848
    Abstract: A method for manufacturing an electrode assembly according to the present disclosure includes: a lamination process, a cutting process, a stacking process, an induction heating process, and unit cell bonding process. The lamination process includes alternately stacking electrodes and separators and bonding the alternately stacked electrodes and separators to each other. The cutting process includes cutting the alternately stacked electrodes and separators to a predetermined size to form a plurality of unit cells. The stacking process includes sequentially stacking the plurality of cut unit cells to form a cell stack. The induction heating process includes heating the cell stack by an induction heater. Finally, the unit cell bonding process includes pressing the heated cell stack to bond the plurality of unit cells to each other. A device for manufacturing the electrode assembly is also disclosed.
    Type: Application
    Filed: September 29, 2022
    Publication date: September 12, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Young Sun Seo, Sang Don Lee, Cheul Kyun Cho
  • Publication number: 20240218253
    Abstract: A liquid crystalline resin composition is disclosed. The liquid crystalline resin composition includes a liquid crystalline resin, a fine particulate filler including barium sulfate (BaSO4), and a nanofiller including carbon nanotubes (CNT), wherein a content of the nanofiller based on the total weight of the fine particulate filler and the nanofiller is about 6 wt % to about 30 wt %.
    Type: Application
    Filed: June 23, 2023
    Publication date: July 4, 2024
    Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., SEYANG POLYMER CO., LTD.
    Inventors: Namkeun OH, Jung Hyun PARK, Dohwan KIM, Donghoon LEE, Sanghyun JI, Dooseub SHIN, Ju Ho KIM, Jin Kyu LEE, Sang Don LEE, Sueng Bin SONG