Patents by Inventor Seung-Do An

Seung-Do An 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: 20240098972
    Abstract: A memory device includes a substrate, an active layer spaced apart from a surface of the substrate and laterally oriented in a first direction and including an opened first side, a closed second side, and a channel layer between the first side and the second side, and a word line laterally oriented in a second direction crossing the first direction while surrounding the channel layer.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Il Do KIM, Dong Sun SHEEN, Seung Hwan KIM
  • Patent number: 11933944
    Abstract: A microlens is provided with opposite sides thereof each having an aspheric-surface shape. The microlens is configured such that a lens layer having an aspheric-surface shape is provided on each opposite side of the microlens, an optical communication module may be miniaturized and integrated as a working distance (WD) is minimized to 0.160±0.05 mm, and collimating performance is excellent as a value obtained by calculating a paraxial radius (R1) of a first lens layer over a paraxial radius (R2) of a second lens layer is 1.8 to 3.5.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 19, 2024
    Assignee: MPNICS CO., LTD.
    Inventors: Sang Do Kang, Seung Keun Oh
  • 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
  • Publication number: 20240077878
    Abstract: The inventive concept provides a transfer robot system. Embodiments of the inventive concept provide a transfer robot system and a transfer robot system driving method in which a bottleneck phenomenon of mobile robots may be prevented, as a new obstacle which does not exist within a map for a mobile robot is recognized in advance during an autonomous driving of the mobile robot and the new obstacle is not passed through. The transfer robot system includes an OHT for transferring an article by autonomously driving along a rail and having a bottom side distance detection sensor installed for generating a distance information of below; and a mobile robot for transferring the article by autonomously driving on the ground and autonomously driving while avoiding an obstacle information generated through the distance information.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 7, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Seung Jun LEE, Seung Seok HA, In Sung CHOI, Gil Do KIM
  • Publication number: 20240075100
    Abstract: The present invention relates to a method for the mass-production of exosome comprising a cargo protein, a vector for preparing the exosome, exosome including a cargo protein prepared by the method, and a method for loading the cargo protein to cytosol by using the exosome prepared thereby. According to the method for preparing an exosome comprising a cargo protein provided by the present invention, the exosome loaded with a cargo protein can be produced with a high yield, so that it can be used broadly in the treatment of disease using the exosome.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicant: ILIAS BIOLOGICS INC.
    Inventors: Chulhee Choi, Nambin Yim, Won Do Heo, Seung-Wook Ryu, Hojun Choi, Kyungsun Choi
  • Publication number: 20240075853
    Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.
    Type: Application
    Filed: April 13, 2023
    Publication date: March 7, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, DAS CO., LTD, Faurecia Korea, Ltd., Hyundai Transys Inc.
    Inventors: Sang Soo LEE, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Sang Do PARK, Chan Ho JUNG, Dong Hoon LEE, Hea Yoon KANG, Deok Soo LIM, Seung Pil JANG, Seon Ho KIM, Jong Seok YUN, Hyo Jin KIM, Dong Gyu SHIN, Jin Ho SEO, Young Jun KIM, Taek Jun NAM
  • Publication number: 20230182168
    Abstract: A coated steel sheet capable of implementing a rich three-dimensional effect, various patterns, and a natural esthetic sense and includes a steel sheet material which has a concave portion and a convex portion formed on one surface and a coating layer which is formed on the one surface by being coated on a coating material, wherein, as the coating layer is polished, at least a portion of the convex portion is exposed to an outside, and the concave portion is filled with the coating material.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 15, 2023
    Inventors: Kun Hyung PARK, Won Goo KANG, Hong Seung DO, Kuhyeong LEE, Rok Dam BAEK
  • Patent number: 10758746
    Abstract: Disclosed are a radiotherapy assistant apparatus for modulating a build-up region of a photon beam for a radiotherapy, a radiotherapy system including the radiotherapy assistant apparatus, and method for the radiotherapy system. The radiotherapy assistant apparatus for modulating a build-up region of a photon beam for a radiotherapy, including at least: a magnetic field generator that generates a magnetic field that has a direction perpendicular to a movement direction of the photon beam, the magnetic field generator is disposed on a movement route along which the photon beam moves toward a target portion of the radiotherapy; and a magnetic field intensity adjuster that adjusts an intensity of the magnetic field generated by the magnetic field generator. The magnetic field generator disperses secondary electrons that have particular energy levels equal to or lower than a preset value.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: September 1, 2020
    Assignees: THE ASAN FOUNDATION, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Jung Won Kwak, Sang Wook Lee, Byung Chul Cho, Seung Do Ahn, Won Sik Choi, Woo Sang Ahn, Chi Young Jeong, Seong Soo Shin, Kyoung Jun Yoon
  • Patent number: 10532225
    Abstract: Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: January 14, 2020
    Assignee: THE ASAN FOUNDATION
    Inventors: Jung Won Kwak, Nurihyun Jung, Byung Chul Cho, Seung Do Ahn, Sang Wook Lee, Jae Beom Bae
  • Patent number: 10335768
    Abstract: The present invention relates to a super absorbent polymer which is excellent in various physical properties required for a super absorbent polymer, while exhibiting excellent water absorption capacity, absorption rate and liquid permeability, and a method for preparing the same.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 2, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Tae Bin Ahn, Chang Sun Han, Seung Do Hong, Chul Hee Ryu, Dong Hyun Kim
  • Publication number: 20190118000
    Abstract: Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 25, 2019
    Applicant: THE ASAN FOUNDATION
    Inventors: Jung Won KWAK, Nurihyun JUNG, Byung Chul CHO, Seung Do AHN, Sang Wook LEE, Jae Beom BAE
  • Patent number: 10188875
    Abstract: Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 29, 2019
    Assignee: THE ASAN FOUNDATION
    Inventors: Jung Won Kwak, Nurihyun Jung, Byung Chul Cho, Seung Do Ahn, Sang Wook Lee, Jae Beom Bae
  • Publication number: 20180369610
    Abstract: Disclosed are a radiotherapy assistant apparatus for modulating a build-up region of a photon beam for a radiotherapy, a radiotherapy system including the radiotherapy assistant apparatus, and method for the radiotherapy system. The radiotherapy assistant apparatus for modulating a build-up region of a photon beam for a radiotherapy, including at least: a magnetic field generator that generates a magnetic field that has a direction perpendicular to a movement direction of the photon beam, the magnetic field generator is disposed on a movement route along which the photon beam moves toward a target portion of the radiotherapy; and a magnetic field intensity adjuster that adjusts an intensity of the magnetic field generated by the magnetic field generator. The magnetic field generator disperses secondary electrons that have particular energy levels equal to or lower than a preset value.
    Type: Application
    Filed: June 22, 2018
    Publication date: December 27, 2018
    Applicants: THE ASAN FOUNDATION, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Jung Won KWAK, Sang Wook LEE, Byung Chul CHO, Seung Do AHN, Won Sik CHOI, Woo Sang AHN, Chi Young JEONG, Seong Soo SHIN, Kyoung Jun YOON
  • Patent number: 10080912
    Abstract: A mucosal dose control radiotherapy apparatus using magnetic fields includes: a radiation generator irradiating radiation toward a tumor region of a patient; a magnetic field generator forming a magnetic field in a body of the patient; and a controller controlling a radiation dose transmitted from the radiation generator to the tumor region of the patient by adjusting a direction and a strength of the magnetic field of the magnetic field generator.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: September 25, 2018
    Assignee: THE ASAN FOUNDATION
    Inventors: Jung Won Kwak, Nuri Hyun Jung, Kyoung Jun Yoon, Byoung Chul Cho, Seung Do Ahn, Sang Wook Lee
  • Publication number: 20180185819
    Abstract: The present invention relates to a super absorbent polymer which is excellent in various physical properties required for a super absorbent polymer, while exhibiting excellent water absorption capacity, absorption rate and liquid permeability, and a method for preparing the same.
    Type: Application
    Filed: March 30, 2016
    Publication date: July 5, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Tae Bin Ahn, Chang Sun Han, Seung Do Hong, Chul Hee Ryu, Dong Hyun Kim
  • Publication number: 20170106214
    Abstract: Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 20, 2017
    Inventors: Jung Won KWAK, Nurihyun JUNG, Byung Chul CHO, Seung Do AHN, Sang Wook LEE, Jae Beom BAE
  • Publication number: 20160175616
    Abstract: A mucosal dose control radiotherapy apparatus using magnetic fields includes: a radiation generator irradiating radiation toward a tumor region of a patient; a magnetic field generator forming a magnetic field in a body of the patient; and a controller controlling a radiation dose transmitted from the radiation generator to the tumor region of the patient by adjusting a direction and a strength of the magnetic field of the magnetic field generator.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 23, 2016
    Inventors: Jung Won Kwak, Nuri Hyun Jung, Kyoung Jun Yoon, Byoung Chul Cho, Seung Do Ahn, Sang Wook Lee
  • Patent number: 8822629
    Abstract: The present invention relates to a method of prepairing a heat-resistant polyamide by carrying out condensation polymerization with a monomer mixture including a diester compound and a diamine compound. The present invention provides an economical method of prepairing a heat-resistant polyamide in that a monomer, a raw material, is simply and chiefly prepared, and the polymerizing reaction time is short because it does not need solvent separately.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: September 2, 2014
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Dong-June Hwang, Jae-Bong Lim, Seung-Do Leem, Tae-Young Kim, Sung-su Bae
  • Patent number: 8686595
    Abstract: Disclosed herein is a TPMS transmission module having a power saving function, the TPMS transmission module including: a micom outputting a switch turn-off control signal when a vehicle having the TPMS transmission module mounted therein is stopped; a switch supplying a power when the switch is turned on and blocking the supply of the power when it is turned off; an energy generator generating and outputting an electric power when a tire rotates; and a switch controller turning on the switch when the electric power of a predetermined voltage or more is generated in the energy generator and turning off the switch when a switch turn off control signal is output from the micom.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: April 1, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyungno Lee, Kang Joo Kim, Jong Hyeong Song, Hae Seung Hyun, Seung Do An, Jong Woo Han
  • Patent number: 8570960
    Abstract: An apparatus is capable of reducing an overhead caused by a mute section in a wireless communication system that provides a Voice over Internet Protocol (VoIP) service. In the method, one or more terminals for providing the VoIP service during a next time section are determined. Mute section set information of a current time section and the next time section for the one or more terminals is determined. An amount of a resource of the next time section is allocated to at least one terminal whose next time section is not set to a mute section, wherein the amount of resource of the next time section is based on whether the current time section is set to a mute section or not set to a mute section.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seung-Do Lee