Patents by Inventor Hoon Joo

Hoon Joo 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: 20250127591
    Abstract: The present invention relates to a method for recommending an orthodontic treatment plan by separating a tooth object from three-dimensional oral scan data and automatically determining a positional abnormality of a tooth.
    Type: Application
    Filed: August 10, 2022
    Publication date: April 24, 2025
    Inventor: Bo Hoon JOO
  • Patent number: 12281248
    Abstract: An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 22, 2025
    Assignees: SFC CO., LTD., HODOGAYA CHEMICAL CO., LTD.
    Inventors: Sung-hoon Joo, Byung-sun Yang, Su-jin Kim, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi, Bong-ki Shin, Young-hwan Park, Shuichi Hayashi, Takeshi Yamamoto, Shunji Mochizuki, Yuta Hirayama
  • Patent number: 12258282
    Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: March 25, 2025
    Assignees: KOREA ZINC CO., LTD., KEMCO
    Inventors: Heon Sik Choi, Jae Hoon Joo, Tae Kyung Lee
  • Publication number: 20250065960
    Abstract: A mid-gate assembly for a vehicle includes: a module frame installed between a passenger compartment and a cargo compartment of a vehicle and spaced apart from a floor of the vehicle; a mid-gate rotatably installed on the floor and configured to selectively close a lower side of the module frame by being rotated by a mid-gate regulator and open the lower side of the module frame by being folded toward the floor; and a back glass installed on the module frame and the mid-gate and configured to be selectively movable upward and downward by a back glass regulator.
    Type: Application
    Filed: March 4, 2024
    Publication date: February 27, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Doo-Young Jung, Soo-Bok Kim, Hyung-Sik Choi, Sung-Won Hong, Hoon-Joo Jo
  • Publication number: 20250024698
    Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 16, 2025
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Jin-ho LEE, Kouki KASE, Shuichi HAYASHI, Se-Jin LEE, Tae-Jung YU, Young-Tae CHOI, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • Patent number: 12148784
    Abstract: An image sensor including a variable resistance element is provided. The image sensor comprises first and second chips having first and second connecting structures; and a contact plug connecting the first and second chips. The first chip includes a photoelectric conversion element. The second chip includes a first variable resistance element. The contact plug extends from the first surface of the first semiconductor substrate to connect the first and second connecting structures.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: November 19, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae Shik Kim, Min-Sun Keel, Hoon Joo Na, Kang Ho Lee, Kil Ho Lee, Sang Kil Lee, Jung Hyuk Lee, Shin Hee Han
  • Publication number: 20240368729
    Abstract: The present disclosure relates to a method for removing halide from halide-containing Waelz oxide. According to the method, it is possible to effectively remove halide contained in Waelz oxide, especially insoluble fluoride such as CaF2, which are difficult to remove under atmospheric pressure conditions and present as insoluble substances. Accordingly, in the process of recovering valuable metals, an additional process for adjusting the concentration of fluorine or chlorine present in the electrolyte can be omitted, and costs can be reduced.
    Type: Application
    Filed: May 24, 2023
    Publication date: November 7, 2024
    Inventors: Heon Sik CHOI, Jae Hoon JOO
  • Patent number: 12137613
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 5, 2024
    Assignee: SFC Co., Ltd.
    Inventors: Bong-ki Shin, Sung-hoon Joo, Byung-sun Yang, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi
  • Publication number: 20240365666
    Abstract: Disclosed herein is a method for fabricating an organic light-emitting diode. In the method for fabricating an organic light-emitting diode, an organic compound with a substituent in a specific structure is used as a deposition material for an organic layer, whereby the deposition temperature can be reduced, with the consequent minimization of thermal damage to the organic light-emitting diode.
    Type: Application
    Filed: April 9, 2024
    Publication date: October 31, 2024
    Inventors: Jin-Hwi Cho, So Young Shim, Taejung Yu, Sung-Hoon Joo
  • Publication number: 20240341189
    Abstract: Disclosed are a polycyclic compound with a specific fused ring structure and an organic light emitting device including a light emitting layer that employs the polycyclic compound. The use of the polycyclic compound ensures significantly long lifetime and improved luminous efficiency of the device.
    Type: Application
    Filed: March 27, 2024
    Publication date: October 10, 2024
    Inventors: Ji-hwan Kim, Kyung-Hwa Park, Hyeon-jun Jo, Seong-eun Woo, Soo-kyung Kang, Da-Yeon Lee, Hui-Jae Choi, Ji-hyun Lee, Sung-hoon Joo
  • Publication number: 20240335132
    Abstract: A system for determining a sputum type using a respiratory sound according to an embodiment may comprise a data collection unit that collects respiratory sound data from a patient who has undergone tracheostomy; an image conversion unit that receives the respiratory sound data collected by the data collection unit and converts the received respiratory sound data into a spectrogram image; and a sputum type determination unit that determines a sputum type of the patient who has undergone tracheostomy using a deep learning model based on a pattern difference between the spectrogram images converted by the image conversion unit.
    Type: Application
    Filed: March 14, 2024
    Publication date: October 10, 2024
    Inventors: Jong Baeg KIM, Dae Yeon KOH, Yo Han JUNG, Hyun Jun HAN, Young Hoon JOO, Hyun Bum KIM
  • Publication number: 20240301279
    Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 12, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20240286921
    Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
    Type: Application
    Filed: March 31, 2023
    Publication date: August 29, 2024
    Inventors: Heon Sik CHOI, Jae Hoon JOO, Tae Kyung LEE
  • Publication number: 20240252773
    Abstract: Proposed are a phlegm suction alarm issuing apparatus and a method for a tracheostomy patient which monitor and analyze a respiratory sound of the tracheostomy patient in real time, then check congestion of phlegm, and issue a phlegm suction alarm.
    Type: Application
    Filed: August 11, 2022
    Publication date: August 1, 2024
    Inventors: Young Hoon JOO, Hyun Bum KIM, Jong Baeg KIM, Yo Han JUNG, Dae Yeon KOH, Min Hyeong KIM, Hyun Jun HAN
  • Publication number: 20240228321
    Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.
    Type: Application
    Filed: September 22, 2023
    Publication date: July 11, 2024
    Inventors: Heon Sik CHOI, Jae Hoon JOO, Tae Kyung LEE
  • Patent number: 11974867
    Abstract: An embodiment of the present disclosure provides an adjustable couch that can be mounted on a medical couch, the adjustable couch comprising: a first couch provided with a fixing means to be fixed to the medical couch; and a second couch disposed on the first couch and provided with a rotating-coupling means to be coupled rotatably about a first axis perpendicular to an upper surface of the first couch.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: May 7, 2024
    Assignee: Samsung Life Public Welfare Foundation
    Inventors: Moon Ki Chae, Dong Yeol Kwon, Sung Hoon Joo
  • Patent number: 11967595
    Abstract: A semiconductor device may include a substrate, a first nanowire, a second nanowire, a first gate insulating layer, a second gate insulating layer, a first metal layer and a second metal layer. The first gate insulating layer may be along a periphery of the first nanowire. The second gate insulating layer may be along a periphery of the second nanowire. The first metal layer may be on a top surface of the first gate insulating layer along the periphery of the first nanowire. The first metal layer may have a first crystal grain size. The second metal layer may be on a top surface of the second gate insulating layer along the periphery of the second nanowire. The second metal layer may have a second crystal grain size different from the first crystal grain size.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Jung Kim, Young Suk Chai, Sang Yong Kim, Hoon Joo Na, Sang Jin Hyun
  • Publication number: 20240122070
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Application
    Filed: October 12, 2020
    Publication date: April 11, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20240099130
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Patent number: D1023275
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: April 16, 2024
    Inventor: Ji Hoon Joo