Patents by Inventor Sung Lee

Sung 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: 11819349
    Abstract: The present invention relates to an X-ray imaging device for minimally invasive surgery, the device including: a rod having a clamp module disposed at a first end of the rod and including a first clamp body, a second clamp body, and a clamp support; an X-ray emission module; an X-ray sensing module; and a manipulation module, in which the rod is inserted into the human body, X-rays are emitted from the X-ray emission module with the first end of the first clamp body and the first end of the second clamp body open with a lesion positioned therebetween in the human body, and the X-rays travel through the lesion and is then sensed by the X-ray sensing module.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: November 21, 2023
    Assignees: Korea University Research and Business Foundation, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Hyun-Koo Kim, Jae-Sung Lee
  • Patent number: 11824190
    Abstract: Disclosed are a cathode material for a lithium secondary battery and a method of manufacturing the same. For instance, the lithium secondary battery may have a high energy density by using only a single cathode material. Particularly, the cathode material for a lithium secondary battery includes a Li—[Mn—Ti]—Al—O-based cathode active material; and a carbon nanotube (CNT) attached to the surface of the cathode active material in an acid-treated state to be formed as a composite.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung Min Oh, Ik Kyu Kim, Yeol Mae Yeo, Sang Mok Park, Yoon Sung Lee, Nam Hyeong Kim, Ji Eun Lee, Dong Jun Kim, Seung Taek Myung, Ji Ung Choi
  • Publication number: 20230369596
    Abstract: An electrode has a current collector and an active material layer, which can provide an electrode capable of ensuring high levels of adhesion force between particles, and adhesion force between the active material layer and the current collector compared with a binder content in the active material layer. An electrochemical element and a secondary battery having the electrode are also provided.
    Type: Application
    Filed: September 27, 2021
    Publication date: November 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Geun Sung Lee, Il Ha Lee, In Taek Song, Jin Woo Park, Ki Hwan Kim, Ho Chan Lee
  • Publication number: 20230357616
    Abstract: Provided are a composite abrasive, a method of preparing same, polishing slurry including same, and a method of manufacturing a semiconductor device using the polishing slurry, the composite abrasive including a host material and abrasive particles protruding from the surface of the host material. The host material may have a Mohs hardness smaller than a Mohs hardness of the abrasive particles. The host material may have a two-dimensional planar structure and/or a layered structure. A binding force between the host material and the abrasive particles may be greater than or equal to about 200 nN.
    Type: Application
    Filed: May 4, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Soo JEE, Eun Sung Lee, Junghoon Lee, Youngnam Kwon
  • Publication number: 20230356342
    Abstract: The present disclosure relates to an electrostatic chuck having an efficient cooling structure. The present disclosure provides an electrostatic chuck including a base substrate including a cooling water channel, and a plate configured to support a wafer on the base substrate and including a plate comprising a cooling gas hole configured to supply a cooling gas to the wafer. The base substrate includes a cooling water inlet and a cooling gas inlet in a center thereof, the plate is in communication with the cooling gas inlet of the base substrate and include a cooling gas hole configured to spray a cooling gas to the wafer, and the electrostatic chuck further includes a shaft abutting the base substrate along a circumference of a central portion of the base substrate including the cooling water inlet and the cooling gas inlet.
    Type: Application
    Filed: April 28, 2023
    Publication date: November 9, 2023
    Inventors: Sang Bum CHO, Jung Hyun PARK, Jun Sung LEE
  • Publication number: 20230358614
    Abstract: The present disclosure relates to a system for determining the shut-down temperature and melt-down temperature of a separator. The system includes a jig having a through-hole, a heating unit, a temperature sensor, a controlling unit and an air permeability-determining unit. In this manner, it is possible to provide a novel system for determining the shut-down temperature and melt-down temperature of a separator by using the air permeability (Gurly value) of the separator.
    Type: Application
    Filed: July 8, 2021
    Publication date: November 9, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Won-Sik BAE, Sang-Min KWAK, Joo-Sung LEE, Yong-Won JEON, Eun-Seon JEONG
  • Publication number: 20230346250
    Abstract: A method of controlling an implanted electrode includes receiving information from an external device; calculating a first region in a body in which the electrode is to be implanted and a second region in which electrode implantation is prohibited, based on the received information; and calculating a plurality of predicted paths through which an electrode is moved based on the first region or the second region, and outputting the plurality of predicted paths.
    Type: Application
    Filed: March 30, 2021
    Publication date: November 2, 2023
    Inventors: Eun Kyoung PARK, Tae Kyung KIM, Young Min SHON, Kyu Sung LEE
  • Publication number: 20230352670
    Abstract: Disclosed are a cathode material for a lithium secondary battery, which improves air exposure stability while having high energy density with a single cathode material, and a method for manufacturing the cathode material. The cathode material includes a Li—[Mn—Ti]—Al—O-based cathode active material and a carbon coating layer including pitch carbon and coated on a surface of the cathode active material.
    Type: Application
    Filed: October 26, 2022
    Publication date: November 2, 2023
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Yoon Sung Lee, Chang Hoon Song, Seung Taek Myung, Hee Jae Kim, Min Young Shin, Jun Ho Yu, Woo Young Jin
  • Patent number: 11804474
    Abstract: A stack package, and a method of manufacturing the same, includes a first encapsulant layer formed on a carrier. Also semiconductor dies are sequentially offset stacked on the first encapsulant layer. Vertical connectors connected to the semiconductor dies are formed. A second encapsulant layer coupled to the first encapsulant layer is formed to encapsulate the vertical connectors and the semiconductor dies. Redistribution layers connected to the vertical connectors are formed on the second encapsulant layer.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: October 31, 2023
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Chae Sung Lee
  • Patent number: 11802849
    Abstract: Disclosed is a photoionization gas sensor including an ultraviolet generating module having a first substrate, a second substrate, and a third substrate sequentially coupled in a vertical direction, and configured to generate ultraviolet by applying an electric field to a noble gas filling a first cavity, the first cavity formed in a central portion of the second substrate, and a measuring module configured to collect an electrical signal, the electrical signal being generated such that an electric field is applied to a passage, through which gas ionized by ultraviolet passes, so as to allow the ionized gas to come into contact with an electrode, thereby having a small volume and being operated at a low voltage.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: October 31, 2023
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Dae Sung Lee, Kwang Bum Park
  • Publication number: 20230344080
    Abstract: Disclosed is a separator for a lithium secondary battery including a porous polymer substrate and a hydrophilic modification layer disposed inside of the porous polymer substrate, or disposed inside of the porous polymer substrate and on at least one surface of the porous polymer substrate, the hydrophilic modification layer including a polymer compound represented by the disclosed Chemical Formula 1 and a surfactant. According to an embodiment of the present disclosure, it is possible to increase the electrolyte wettability and lithium-ion transport rate in a separator by using a polymer compound having a specific structure and a surfactant. Therefore, a battery using the separator may provide improved output characteristics and cycle characteristics.
    Type: Application
    Filed: September 27, 2021
    Publication date: October 26, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Kong-Kyeom Kim, Hyok-Joon Kwon, A-Young Lee, Joo-Sung Lee, Sang-Uk Ryu, Min-Choon Park
  • Publication number: 20230330691
    Abstract: A container for spraying a liquid is disclosed. The container comprises: a body having a filling space and a body outlet channel formed by a partition provided on one side, where contents within the filling space flow through the lower part of the partition into the body outlet channel, and an upper body hole corresponding to an exit of the body outlet channel is formed in an upper portion of the partition; a cover channel coupled to the upper portion of the body and communicating with the upper body hole; a body cover communicating with the cover channel and having a pump insertion space for holding a pump; a pump support coupled to the upper portion of the body cover to support the pump; and a shoulder coupled to an upper portion of the pump support to press the pump support and the pump downward toward the body.
    Type: Application
    Filed: December 18, 2020
    Publication date: October 19, 2023
    Applicant: SAMHWA CO., LTD
    Inventors: Kyung Chang LEE, Byung Jin WOO, Geun JANG, Ki Sung LEE
  • Publication number: 20230332667
    Abstract: A hydro bushing includes an outer pipe, an inner pipe disposed within the outer pipe and spaced apart from the outer pipe, an elastic body disposed between the outer pipe and the inner pipe and provided with a liquid chamber portion accommodating liquid therein, and a nozzle disposed between the outer pipe and the elastic body and including a stopper extending toward the liquid chamber portion such that a portion of an internal surface of the nozzle protrudes to be in contact with the liquid chamber portion. A contact end of the stopper is formed to have a surface corresponding to deformation of the elastic body caused by conical movement.
    Type: Application
    Filed: October 25, 2022
    Publication date: October 19, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, PYUNG HWA INDUSTRIAL CO., LTD.
    Inventors: Yong Hyun RYU, Chan Hee PARK, Young Ho KIM, Dae Un SUNG, Gi Bong JO, Jae Hyeok CHOI, Young Bin JU, Ho Sung LEE
  • Publication number: 20230330690
    Abstract: A container for spraying liquid is disclosed. The container for spraying liquid comprises: a body, which is divided into a filling space and a body outflow channel by a partition provided therein in the longitudinal direction, has, at the lower portion of the partition, a lower body hole corresponding to an inlet of the body outflow channel, and has, at the upper portion of the partition, an upper body hole corresponding to an outlet of the body outflow channel; a body cover which is coupled to the upper portion of the body, and which has a cover channel allowing communication with the upper body hole, and a pump insertion space communicating with the cover channel and having a pump inserted therein; and a pump support, which is coupled to the upper portion of the body cover, supports the pump, and blocks external air from entering the pump insertion space.
    Type: Application
    Filed: December 18, 2020
    Publication date: October 19, 2023
    Applicant: SAMHWA CO., LTD
    Inventors: Kyung Chang LEE, Byung Jin WOO, Geun JANG, Ki Sung LEE
  • Patent number: 11792906
    Abstract: The present disclosure relates to an X-ray apparatus capable of stable driving, miniaturization, and weight reduction. The X-ray apparatus may include a case having an installation space formed therein; a high voltage separator installed inside the case, responsible for dividing the installation space into a first installation portion and a second installation portion, and having a high voltage generation space formed therein; an X-ray tube installed in the first installation portion; a high voltage generator installed in the high voltage generation space and responsible for receiving power from the outside, boosting the power, and supplying the boosted power to the X-ray tube; and a controller installed in the second installation portion and responsible for controlling driving of the X-ray tube and the high voltage separator.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: October 17, 2023
    Assignee: ELEC-FIELD FUTURE CORP.
    Inventor: Han Sung Lee
  • Patent number: 11791122
    Abstract: The present disclosure relates to a CNT X-ray source apparatus, and more particularly, to a CNT X-ray source apparatus configured to maximize utilization of the internal space of a CNT X-ray tube body, having grooves made of an insulating material, and provided with a base portion for supporting a plurality of electrodes. With this configuration, mass production is possible. The CNT X-ray source apparatus of the present disclosure includes a cathode electrode; an emitter provided on the cathode electrode and responsible for emitting electrons; a gate electrode disposed above the cathode electrode and spaced apart from the cathode electrode by a predetermined interval; a focusing electrode for preventing scattering of electrons emitted from the emitter; and a base portion responsible for supporting one or more of the cathode electrode, the gate electrode, and the focusing electrode and formed of an insulating material.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 17, 2023
    Inventor: Han Sung Lee
  • Patent number: 11788095
    Abstract: The present invention relates to a synthetic promoter capable of controlling the expression of a target gene at various locations in the genome of an acid-resistant strain, and more particularly to a synthetic promoter including a core promoter derived from an acid-resistant strain and an upstream activating sequence (UAS) element serving as an enhancer. When the present invention is applied to a variety of genetic and metabolic engineering techniques for acid-resistant yeast, various metabolic networks can be configured as desired while controlling the expression level of the target gene, so a method of producing various metabolites using acid-resistant yeast is provided, and the cost of producing the metabolites can be greatly reduced depending on the properties of the acid-resistant yeast.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: October 17, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jae Yeon Park, Ki Sung Lee, Tae Young Lee
  • Publication number: 20230323061
    Abstract: A crosslinked polyolefin separator which has gels with a longer side length of 50 ?m or more in a number ranging from 0 to 3 per 1 m2 of the separator, and shows a standard deviation of absorbance ratio between the center of the separator and the side thereof ranging from 0.01 to 0.5 is provided. A method for manufacturing the crosslinked polyolefin separator is also provided. The method includes (S1) preparing a polyolefin porous membrane, and (S2) applying a coating solution containing an initiator and alkoxy group-containing vinylsilane onto at least one surface of the porous membrane. The coating solution can permeate even to the inside of exposed pores. Thus, it is possible to provide a crosslinked polyolefin separator in which silane crosslinking occurs uniformly even inside of the pores.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Joo-Sung Lee, Bi-Oh Ryu, Won-Sik Bae, A-Young Lee, Heon-Sik Song
  • Publication number: 20230327524
    Abstract: The present invention relates to an air compressor which improves the space utilization of a filter unit, and reduces the number of constituent parts constituting the filter unit, thereby improving assemblability, reducing manufacturing costs, and minimizing the size of the air compressor itself. The air compressor comprises: a housing; a rotating shaft extending in the longitudinal direction inside the housing; a compression unit disposed in front of the rotating shaft and rotated by the rotating shaft to compress and discharge air that flows in; a motor unit which rotates the rotating shaft; a control board which controls the motor unit; a filter unit which supplies external electrical power to the control board and filters the noise of the electrical power; and a bus bar assembly which transfers the electrical power from the control board to the motor unit.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Patent number: 11784162
    Abstract: A semiconductor package includes at least one semiconductor chip disposed in such a way that an active surface with chip pads faces a redistribution layer, vertical interconnectors extending in a vertical direction from the chip pads toward the redistribution layer, wherein each of the vertical connectors has a first end portion that is connected to a corresponding chip pad and a second end portion that is disposed on an opposite end of each vertical interconnector in relation to the first end portion, and a molding layer covering the semiconductor chip and the vertical interconnectors while exposing a surface of each of the second end portions of the vertical interconnectors, wherein the redistribution layer is formed over the molding layer, the redistribution layer having a redistribution land that is in contact with the surface of the second end portion, and wherein a width of the surface of the second end portion is greater than a width of an extension portion between the first end portion and the second
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: October 10, 2023
    Assignee: SK hynix Inc.
    Inventors: Tae Hoon Kim, Chae Sung Lee