Patents by Inventor Joo Woo Lee

Joo Woo 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: 20250145790
    Abstract: The present invention relates to a method for regenerating biodegradable polymers. According to the method for regenerating biodegradable polymers, by reacting specific biodegradable polymers or a combination thereof with a depolymerization composition comprising a specific solvent and an acid catalyst, the specific biodegradable polymers or the combination thereof are monomerized with high yield at a relatively low temperature and thus could easily be regenerated as a raw material for initial polymer synthesis.
    Type: Application
    Filed: February 15, 2023
    Publication date: May 8, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Jieun KIM, Youngsu YOU, Jinwoo JEON, Joo Young LEE, Jang-Woo SEO
  • Publication number: 20250143986
    Abstract: The present invention relates to a retinol-loaded microneedle. The retinol-loaded microneedle according to the present invention contains retinol and a stabilizer therefor, which is an optimal combination for use in microneedles, in order to solve the instability of retinol. Accordingly, the retinol-loaded microneedle of the present invention achieves high transdermal delivery efficiency intrinsic for microneedle formulations and thus can maximize the effect of retinol on wrinkle reduction, etc.
    Type: Application
    Filed: April 11, 2022
    Publication date: May 8, 2025
    Applicant: RAPHAS CO., LTD.
    Inventors: Yee-Ram CHOI, Joo-Hyeon JANG, Sung-Su KIM, Gwon-Woo KIM, Boo-Yong LEE, Keun-Ho LEE, Jung-Hyun BAE, Chang-Yub SUNG, Soo-Kie LA, Hyun-Woo PARK, Do-Hyeon JEONG
  • Publication number: 20250128357
    Abstract: The present invention relates to an electrode plate manufacturing apparatus including a first laser radiation unit that radiates a first laser beam in a first direction perpendicular to an electrode film located between rollers of a transfer device to notch at least a portion of the electrode film and a second laser radiation unit that radiates a second laser beam to a notched area of the electrode film, which is notched by the first laser radiation unit, to remove a material of a surface of the electrode film melted by the first laser beam.
    Type: Application
    Filed: October 10, 2024
    Publication date: April 24, 2025
    Applicant: Philenergy Co., Ltd
    Inventors: Dong Woo KIM, Han Beom PARK, Joo Yong HWANG, Jang Hee LEE, Yeon Hoo CHOI
  • Publication number: 20250065402
    Abstract: An ultrafine powder manufacturing system is described. The system comprises a tube made of ceramic or quartz and a fine nozzle integrally formed in the lower part of the tube, wraps the outside of the tube with an induction heater to melt a metal raw material supplied into the tube and cause it to flow through the nozzle, and supplies a spray gas through orifices arranged to surround the nozzle in a state spaced apart from the nozzle to spray the gas onto the flowing melt to manufacture ultrafine powder.
    Type: Application
    Filed: August 23, 2024
    Publication date: February 27, 2025
    Applicant: EML CO., LTD.
    Inventors: Eun Soo PARK, Joo Ho LEE, Chang Woo JEON, JongUk HWANG
  • Patent number: 12233113
    Abstract: Provided are a method for administering a recombinant human growth hormone GX-H9 for treating growth hormone deficiency and a pharmaceutical composition containing a recombinant human growth hormone GX-H9 and a pharmaceutically acceptable carrier. The method includes administering recombinant human growth hormone GX-H9 once a week with a dosage of 0.1 to 0.3 mg per weight kg of a patient or twice-monthly with a dosage of 0.1 to 0.4 mg per weight kg of the patient.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: February 25, 2025
    Assignees: GENEXINE, INC., HANDOK INC.
    Inventors: Tae Kyung Kim, Young Joo Ahn, Jung Won Woo, Ji-Eun Cha, Joan Yoon Ji Lee, Woo Ick Jang
  • Patent number: 12230750
    Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 18, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Min Su Cho, Joo Hwan Sung, Yong Gon Lee, Je Jun Lee, Jae Won Lim, Geon Woo Min, Min Gyu Kim, Sang Hak Chae
  • Publication number: 20250056935
    Abstract: According to some embodiments of the present disclosure, there is provided a display device including a substrate, a light emitting element on the substrate and emitting first light, a wavelength conversion layer on the light emitting element and including wavelength conversion particles for converting the first light into second light, a first selective transmission film between the light emitting element and the wavelength conversion layer and reflecting the first light and the second light, which are incident from the wavelength conversion layer, and a second selective transmission film on the wavelength conversion layer and reflecting the first light incident from the wavelength conversion layer and transmitting the second light.
    Type: Application
    Filed: August 20, 2024
    Publication date: February 13, 2025
    Inventors: Joo Woan CHO, Jin Woo CHOI, Byung Choon YANG, Tae Hee LEE, Hae Yun CHOI
  • Patent number: 12211968
    Abstract: There is provided a display device including a display panel including first panel pads arranged along a plurality of rows, each of the rows extending in a first direction in a plan view, wires extending in a second direction crossing the first direction, each of the wires including a first bonding portion attached to a corresponding one of the first panel pads, and a first circuit board including first pads connected to the wires. The first panel pads in a first row of the plurality of rows in a plan view are exposed in the second direction crossing the first direction between the first panel pads in a second row neighboring to the first row of the plurality of rows.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: January 28, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hee Lee, Sung Kook Park, Joo Woan Cho, Jin Woo Choi, Hae Yun Choi
  • Patent number: 8533591
    Abstract: A mobile terminal is provided that includes: a display unit configured to display a webpage having a plurality of sections; a wireless communication unit configured to provide Internet access; a memory unit configured to store history information regarding usage of the webpage; and a control unit configured to control a display of a preferred section of the plurality of sections of the webpage upon an access of the webpage such that the preferred section is visually distinguishable from other sections of the plurality of sections, wherein display of the preferred section is based on the stored history information.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: September 10, 2013
    Assignee: LG Electronics Inc.
    Inventors: Joo Woo Lee, Kyung Hye Seo, Ho Young Hwang, Sun Jung Lee
  • Publication number: 20110302488
    Abstract: A mobile terminal is provided that includes: a display unit configured to display a webpage having a plurality of sections; a wireless communication unit configured to provide Internet access; a memory unit configured to store history information regarding usage of the webpage; and a control unit configured to control a display of a preferred section of the plurality of sections of the webpage upon an access of the webpage such that the preferred section is visually distinguishable from other sections of the plurality of sections, wherein display of the preferred section is based on the stored history information.
    Type: Application
    Filed: January 13, 2011
    Publication date: December 8, 2011
    Inventors: Joo Woo Lee, Kyung Hye Seo, Ho Young Hwang, Sun Jung Lee