Patents by Inventor Hyung A CHOI

Hyung A CHOI 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: 20220314562
    Abstract: According to an embodiment, a contact lens includes: a vision correction lens portion positioned in a center portion of the contact lens to refract light; and a plurality of tear storage structures radially arranged from the center portion of the contact lens to store tears, wherein each of the plurality of tear storage structures includes a concave structure formed in the contact lens and having a first depth to store introduced tears. According to an embodiment, a contact lens includes: a vision correction lens portion positioned in a center portion of the contact lens to refract light; and a drug storage structure arranged apart from the center portion and configured to store a drug, wherein the drug is provided to an eye of a user wearing the contact lens.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 6, 2022
    Applicant: DAE WON PHARMACEUTICAL CO., LTD
    Inventors: Ok Chan JEONG, Du Hyung CHOI, Ah-Ram LEE, Sang-Wook PARK
  • Publication number: 20220310278
    Abstract: A nuclear reactor includes a heat exchanger that transfers thermal energy from a primary reactor coolant to a secondary coolant. The heat exchanger is formed with a hot flow channel, a cold flow channel, and a porous layer between the hot flow channel and the cold flow channel. The porous layer may be thermally insulative to reduce the efficiency of thermal energy transfer from the hot flow channel to the cold flow channel. The porous layer may have a control gas passed therethrough that can be tailored to control the thermal energy transfer through the porous layer. The control gas can be tested for leakage within the heat exchanger. The control gas may also be used to sequester fission or activation products.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 29, 2022
    Inventors: Joon Hyung Choi, Daniel Eichel, Mei He, Pavel Hejzlar, Mathieu G. Martin, Samuel J. Miller, James M. Vollmer
  • Publication number: 20220293951
    Abstract: An electrode includes an electrode active material layer, the electrode active material layer including an electrode active material and a conductive agent, the conductive agent including: graphene; a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other; and carbon black, wherein the carbon nanotube structure is contained in the electrode active material layer in an amount of 0.01 wt % to 0.5 wt %. A secondary battery including the electrode is also provided.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 15, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Hyung Choi, Yong Jun Kim, Tae Gon Kim
  • Publication number: 20220294032
    Abstract: A secondary battery has a short-circuit part accommodated in the exterior and electrical conductivity is attached to the separator in the electrode assembly, The short-circuit part is spaced apart from the positive electrode tab and the negative electrode tab at a temperature less than a predetermined temperature, and the short-circuit part is in contact with the positive electrode tab and the negative electrode tab by contraction of the separator, to which the short-circuit part is attached, at a temperature equal to or greater than the predetermined temperature to electrically connect the positive electrode tab to the negative electrode tab.
    Type: Application
    Filed: October 8, 2020
    Publication date: September 15, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Soon Hyung CHOI
  • Publication number: 20220285689
    Abstract: An electrode includes an electrode active material layer, the electrode active material layer including an electrode active material and a conductive agent, the conductive agent including: a point-type conductive agent; and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, wherein the carbon nanotube structure has an average length of 1 ?m to 500 ?m, and the carbon nanotube structure is contained in the electrode active material layer in an amount of 0.01 wt % to 5.0 wt %. A secondary battery including the electrode is also provided.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 8, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Woong Yun, Yong Jun Kim, Soon Hyung Choi, Tae Gon Kim, Hoe Jin Hah
  • Publication number: 20220216082
    Abstract: Provided is an apparatus for monitoring an exchanging process of a semiconductor part and a method for the same. The apparatus comprises finger having a structure capable of loading the part and transferred by a robot for exchanging; and at least one image obtaining means coupled to the finger and obtaining an image of an exchanging position.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 7, 2022
    Inventors: Woo Hyung CHOI, Sang Woo LEE
  • Patent number: 11369934
    Abstract: The present invention relates to a fluidized bed reactor. The fluidized bed reactor includes: a catalyst bed; a dust collector provided in an upper portion of the fluidized bed reactor collecting catalyst particles in a gas discharged toward the upper portion of the fluidized bed reactor; and a filter portion provided in a region between the dust collector and the catalyst bed, wherein the filter portion includes a filtering screen and a plurality of conical caps coupled to the filtering screen.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: June 28, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Hong Seok Park, Jae Hyung Choi, Young Seok Ryou, Jun Seon Choi, Sung Jin Kim
  • Patent number: 11344893
    Abstract: According to an embodiment of the present disclosure, there is provided a hydro crusher for water treatment, for removing living organisms from water to be treated, the hydro crusher including: a body portion which has a cylindrical shape having an inner space, and includes an inflow portion to allow the water to be treated to be drawn into the inner space therethrough, and a discharge portion to discharge the water to be treated, drawn in through the inflow portion; and solid particles which are movable by the water to be treated, wherein the movable solid particles are filled in at least a portion of the inner space.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 31, 2022
    Inventors: Hyung Oh Kim, Yong Jae Lee, Keun Hyung Choi
  • Patent number: 11315764
    Abstract: Provided is a structure variable type of a plasma source coil and a method for controlling the same. The plasma source coil comprises a plurality of coil branches extending in a spiral shape based on a central part, wherein at least one coil branch has a structure in which the extending direction or a tilting level can be adjusted.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: April 26, 2022
    Assignee: ADAPTIVE PLASMA TECHNOLOGY CORP.
    Inventors: Woo Hyung Choi, Sang Woo Lee
  • Publication number: 20220085461
    Abstract: A secondary battery includes an electrode assembly having positive electrodes, of which positive electrode tabs are connected to each other, and negative electrodes, of which negative electrode tabs are connected to each other, the electrode assembly having a quadrangular shape, a space part that is an empty space is defined between two sides facing each other, and the positive electrode tabs and the negative electrode tabs are positioned within the space part, a positive electrode lead having one end connected to the positive electrode tabs, a negative electrode lead having one end connected to the negative electrode tabs, and a pouch in which the electrode assembly is embedded is provided. The other end of the positive electrode lead and the other end of the negative electrode lead pass through the pouch to protrude from one of the largest surfaces of the pouch to the outside.
    Type: Application
    Filed: October 29, 2019
    Publication date: March 17, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soon Hyung CHOI, Sun Kyu KIM
  • Publication number: 20210370256
    Abstract: The present invention relates to a fluidized bed reactor. The fluidized bed reactor includes: a catalyst bed; a dust collector provided in an upper portion of the fluidized bed reactor collecting catalyst particles in a gas discharged toward the upper portion of the fluidized bed reactor; and a filter portion provided in a region between the dust collector and the catalyst bed, wherein the filter portion includes a filtering screen and a plurality of conical caps coupled to the filtering screen.
    Type: Application
    Filed: August 11, 2020
    Publication date: December 2, 2021
    Inventors: Hong Seok PARK, Jae Hyung CHOI, Young Seok RYOU, Jun Seon CHOI, Sung Jin KIM
  • Publication number: 20210335583
    Abstract: Provided is a structure variable type of a plasma source coil and a method for controlling the same. The plasma source coil comprises a plurality of coil branches extending in a spiral shape based on a central part, wherein at least one coil branch has a structure in which the extending direction or a tilting level can be adjusted.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 28, 2021
    Inventors: Woo Hyung CHOI, Sang Woo LEE
  • Publication number: 20210335651
    Abstract: Provided is an apparatus for exchanging an article of a semi-conductor process and a method for exchanging the article using the same. The apparatus for exchanging an article in a semiconductor process, comprising: a loading unit located at a finger coupled to a transferring means for loading the article'an operation controlling unit displaced at the loading unit and having a communicating means; and at least one vision unit.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 28, 2021
    Inventors: Woo Hyung CHOI, Sang Woo LEE
  • Patent number: 11118928
    Abstract: An electronic device is provided and includes a camera configured to obtain an image, and a location information sensor configured to obtain (or sense) a current location of the electronic device. The electronic device further includes a direction information sensor configured to obtain (or sense) direction information about a direction in which the camera obtains the image and a memory configured to store information about the current location. A processor configured to operatively connect with the location information sensor, the direction information sensor, and the memory, may be further configured to obtain map information corresponding to the current location and arrange and display an orientation of the obtained map information with an orientation corresponding to the direction information. The processor may be configured to output the obtained map information together with a live video obtained by the camera.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: September 14, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Yeon Chung, Jong Kyun Shin, Pragam Rathore, Ki Hyoung Son, Dong Oh Lee, Kyu Hyung Choi, Won Sik Lee, Hyun Yeul Lee
  • Patent number: 11108044
    Abstract: A rechargeable lithium battery includes an electrolyte, a negative electrode, and a positive electrode. The negative electrode includes a negative active material layer on a negative current collector, and includes a carbon-based negative active material. The negative electrode having a Degree of Divergence (DD) value of about 19 to about 60. The positive electrode includes a positive active material layer and a positive current collector, and includes a positive active material and a porous structured additive. The content of the porous structured additive is about 0.01 wt % to about 2 wt % based on 100 wt % of the positive active material layer.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: August 31, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junkyu Lee, Bokhyun Ka, Na-Ri Seo, Kyeuyoon Sheem, Jinhyon Lee, Eun-Hyung Choi
  • Publication number: 20210248822
    Abstract: Systems and methods are described for mobile and augmented reality-based depth and thermal fusion scan imaging Some embodiments of the present technology use sophisticated techniques to fuse information from both thermal and depth imaging channels together to achieve synergistic effects for object recognition and personal identification. Hence, the techniques used in various embodiments provide a much better solution for, say, first responders, disaster relief agents, search and rescue, and law enforcement officials to gather more detailed forensic data. Some embodiments provide a series of unique features including small size, wearable devices, and ability to feed fused depth and thermal streams into AR glasses. In addition, some embodiments use a two-layer architecture for performing device local fusion and cloud-based platform for integration of data from multiple devices and cross-scene analysis and reconstruction.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 12, 2021
    Applicant: The Regents of the University of Colorado, a body corporate
    Inventors: Min-Hyung Choi, Shane Transue
  • Publication number: 20210234200
    Abstract: A liquid electrolyte lithium secondary battery cell comprising: —a positive electrode material comprising a lithium transition metal-based oxide powder having a general formula Li1+a ((Niz (Ni0.5Mn0.5)y Cox)1-k Ak)1-a O2, wherein A is a dopant, ?0.025?a?0.025, 0.18?x?0.22, 0.42?z?0.52, 1.075<z/y<1.625, x+y+z=1 and k?0.01; and—an electrolyte composition comprising: a) at least one cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium compound selected from lithium phosphate compounds, lithium boron compounds, lithium sulfonate compounds and mixtures thereof, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Applicants: Umicore, Solvay S.A.
    Inventors: JiHye KIM, Jens PAULSEN, AReum PARK, Dae-Hyun KIM, Hee-Sung GIL, Jean-Sébastien BRIDEL, Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyuncheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Publication number: 20210234199
    Abstract: This invention relates to a non-aqueous liquid electrolyte composition suitable for secondary battery cells, especially lithium-ion secondary battery cells. Such electrolyte composition comprises a) at least one non-fluorinated cyclic carbonate and at least one fluorinated cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium borate compound, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride, all components being present in specific proportions. It can advantageously be used in batteries comprising a cathode material comprising a lithium nickel manganese cobalt oxide (NMC) or a lithium cobalt oxide (LCO), especially at a high operating voltage.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Inventors: Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyun-Cheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Patent number: 11021240
    Abstract: An unmanned aerial vehicle (UAV) is provided. The UAV includes a first guard grill, a second guard grill configured to be removably combined with the first guard grill and form an external structure and an inner space of the UAV with the first guard grill, a housing configured to include a central portion located in the center of the inner space and embed a processor and a navigation system, one or more propelling elements configured to be located the inner space and be disposed around the central portion, and a plurality of motor assemblies configured to be located in the inner space and drive the propelling elements while being electrically connected with the processor. When viewed from the outside of the external structure, the propelling elements are partially covered by at least one of the first guard grill or the second guard grill.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wu Seong Lee, Bae Seok Lim, Youn Hyung Choi, Seung Nyun Kim, Yong Sang Yun
  • Patent number: D955217
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 21, 2022
    Assignee: COART Inc.
    Inventor: So Hyung Choi