Patents by Inventor Yeon A. Hwang

Yeon A. Hwang 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: 20220043703
    Abstract: An intelligent operation management apparatus for infrastructure may include a memory and a processor. Herein, the processor may be configured to: collect data by monitoring a resource of an operation target, perform an anomaly detection analysis by various methods of visualization using a graph for the collected data, perform an abnormal prediction analysis for the collected data, and perform pre-maintenance intelligent management based on a result of the anomaly detection analysis and a result of the abnormal prediction analysis. According to an apparatus and method for intelligent operation management of infrastructure, an effect of reducing operation expense and an effect of consecutively providing the quality of service (QoS) may be expected.
    Type: Application
    Filed: July 6, 2021
    Publication date: February 10, 2022
    Inventor: Jung Yeon HWANG
  • Publication number: 20210387855
    Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including Si, N, and O, wherein the inorganic layer has a thickness of 600 nm or less, and the film has a water vapor transmission rate of 0.5×10?3 g/m2·day as measured under conditions of a temperature of 38° C. and 100% relative humidity. The barrier film has excellent barrier properties and optical properties and can be used for electronic products sensitive to moisture.
    Type: Application
    Filed: October 22, 2019
    Publication date: December 16, 2021
    Inventors: Sung Jin SHIN, Jang Yeon HWANG, Hee Joon JEONG, Bo Ra PARK, Hee Wang YANG
  • Publication number: 20210381109
    Abstract: Provided is a barrier film comprising a base layer, and an inorganic layer including Si, N, and O, and including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, wherein the film has a water vapor transmission rate of 5.0×10?4 g/m2·day or less as measured under conditions of a temperature of 38° C. and 100% relative humidity after being stored at 85° C. and 85% relative humidity conditions for 250 hours, or wherein the inorganic layer has a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s. The barrier film has excellent barrier properties and optical properties and can be used for electronic products that are sensitive to moisture and the like.
    Type: Application
    Filed: October 22, 2019
    Publication date: December 9, 2021
    Inventors: Sung Jin SHIN, Jang Yeon HWANG, Hee Joon JEONG, Bo Ra PARK, Hee Wang YANG
  • Patent number: 11192878
    Abstract: The present disclosure relates to a novel piperidine-2,6-dione derivative and a use thereof and, more specifically, to a piperidine-2,6-dione derivative compound having a structure of a thalidomide analog. A compound of chemical formula 1 according to the present disclosure specifically binds with CRBN protein, and is involved in functions thereof. Therefore, the compound of the present disclosure can be favorably used in the prevention or treatment of leprosy, chronic graft versus host disease, an inflammatory disease, or cancer, which are caused by actions of CRBN protein.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 7, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jong Yeon Hwang, Jae Du Ha, Sung Yun Cho, Pil Ho Kim, Chang Soo Yun, Chi Hoon Park, Chong Ock Lee, Sang Un Choi, Joo Youn Lee, Sunjoo Ahn
  • Patent number: 11189184
    Abstract: A display apparatus and a controlling method of the same are provided. The display apparatus includes: an input unit configured to receive an image from at least one input source; a storage configured to store a program for performing an electronic blackboard function; a display configured to output a screen providing the electronic blackboard function; and a processor configured to control to output, via the display, the received image on at least one area of the screen, and to perform the electronic blackboard function with respect to an entire area of the screen.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dai-boong Lee, Jeong-wook Bang, So-yeon Hwang
  • Publication number: 20210363282
    Abstract: The present invention provides a graft copolymer comprising (A) a seed comprising units derived from an alkyl methacrylate monomer; (B) a core formed on the seed and comprising units derived from an alkyl acrylate monomer; and (C) a shell formed on the core and comprising units derived from one or more one or more selected from the group consisting of an aromatic vinyl-based monomer, a vinyl cyanide-based monomer and an alkyl methacrylate monomer, wherein an average particle diameter of the core is 40 to 90 nm, and a graft ratio of the shell is 10 to 30%, and a thermoplastic resin composition and a thermoplastic resin molded article including the same.
    Type: Application
    Filed: September 12, 2018
    Publication date: November 25, 2021
    Inventors: Min Jung KIM, Bong Keun AHN, Yong Yeon HWANG, Wang Rae JOE, Jang Won PARK
  • Publication number: 20210367234
    Abstract: Other Metals are uniformly doped in a sodium transition metal oxide particle to obtain a cathode active material. As a result, it is possible to improve the battery performance by improving the physical properties of the material itself and stabilizing the structure during the charge/discharge process as well as electrochemical properties.
    Type: Application
    Filed: July 20, 2017
    Publication date: November 25, 2021
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Yang Kook SUN, Jang Yeon HWANG
  • Publication number: 20210340345
    Abstract: Provided is a barrier film, comprising a base layer and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, and the second region has a thickness of 10% or more relative to the total thickness of the inorganic layer. The barrier film has excellent barrier properties and optical properties and can be used for electronic products which are sensitive to moisture and the like.
    Type: Application
    Filed: October 22, 2019
    Publication date: November 4, 2021
    Inventors: Sung Jin SHIN, Jang Yeon HWANG, Hee Joon JEONG, Bo Ra PARK, Hee Wang YANG
  • Patent number: 11155214
    Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, and a cap mounted on at least one of opposite longitudinal end portions of the hollow profile or disposed inside the main body.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: October 26, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung Kim, Dong Eun Cha, Jin Young Yoon, Byung Kyu Yoon, Hwi Sung Jung, Sang Hyeon Park, Ju Hyun Kwon, Seung Ryeol Lee, Yong Yeon Hwang
  • Publication number: 20210327618
    Abstract: Provided is a method for manufacturing a magnetic nano-structure. The method for manufacturing a magnetic nano-structure may comprise the steps of: preparing a source solution containing a first precursor including a rare-earth element, a second precursor including a transition metal element, and a third precursor including Fe; electrospinning the source solution to form a preliminary magnetic nano-structure containing a rare-earth oxide, a transition metal oxide, and a Fe oxide; and reducing the preliminary magnetic micro-structure to manufacture a magnetic nano-structure containing an alloy composition of the rare-earth element, the transition metal element, and the Fe.
    Type: Application
    Filed: January 31, 2019
    Publication date: October 21, 2021
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Yong-Ho Choa, Jongryoul Kim, Jimim Lee, Tae-Yeon Hwang, Min Kyu Kang, Gyutae Lee
  • Publication number: 20210327619
    Abstract: Provided is a preparation method of magnetic nanostructures. The preparation method of magnetic nanostructures may comprise the steps of: preparing a source solution comprising a first precursor comprising a rare earth element, a second precursor comprising a transition metal element, and a third precursor comprising Cu; electrospinning the source solution to form preliminary magnetic nano-structures comprising a rare-earth element oxide, a transition metal oxide, and Cu oxide; and reducing the preliminary magnetic nano-structures to produce magnetic nano-structures comprising an alloy composition comprising the rare-earth element, the transition metal element, and the Cu.
    Type: Application
    Filed: January 31, 2019
    Publication date: October 21, 2021
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Yong-Ho Choa, Jongryoul Kim, Jimim Lee, Tae-Yeon Hwang, Min Kyu Kang, Gyutae Lee
  • Publication number: 20210312086
    Abstract: Disclosed herein are an apparatus and method for recommending privacy control. A privacy control server includes multiple common privacy control recommendation models learned based on personal information provision histories of multiple users, a user preference determination unit for generating at least one question item based on the multiple common privacy control recommendation models and determining a privacy control preference of a user based on a result of a user answer to the at least one question item, and a common privacy control recommendation model provision unit for providing a common privacy control recommendation model selected to match the privacy control preference of the user to the user.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 7, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun KIM, Seok-Hyun KIM, Soo-Hyung KIM, Young-Sam KIM, Jong-Hyouk NOH, Kwan-Tae CHO, Sang-Rae CHO, Young-Seob CHO, Jin-Man CHO, Jung-Yeon HWANG
  • Publication number: 20210272986
    Abstract: A thin film transistor according to an exemplary embodiment includes: a substrate; a semiconductor layer disposed on the substrate and including a channel region, and an input region and an output region disposed on both sides of the channel region and doped with an impurity; a buffer layer disposed between the substrate and the semiconductor layer; a control electrode overlapping the semiconductor layer; a gate insulation layer disposed between the semiconductor layer and the control electrode; and an input electrode connected to the input region and an output electrode connected to the output region, wherein the semiconductor layer includes polysilicon and is crystallized by a blue laser scan.
    Type: Application
    Filed: January 12, 2021
    Publication date: September 2, 2021
    Inventors: Youngbin DO, Chae Yeon HWANG
  • Patent number: 11091625
    Abstract: Provided is a thermoplastic resin composition including: a first copolymer including an acrylic rubber-based graft copolymer and an emulsifier including an acid salt; a second copolymer including a unit derived from an alkyl acrylate-based monomer and a unit derived from an alkyl methacrylate-based monomer; and a third copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: August 17, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Chun Ho Park, Yong Yeon Hwang, Bong Keun Ahn, Min Jung Kim, Yong Hee An, Wang Rae Joe, Jang Won Park, Jeong Min Jang, Ji Yoon Jeon
  • Publication number: 20210246297
    Abstract: Provided is a thermoplastic resin composition which includes: a first graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, a C1 to C3 alkyl-substituted styrene-based monomer unit, and a vinyl cyan-based monomer unit; a second graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, an alkyl-unsubstituted styrene-based monomer unit, and a vinyl cyan-based monomer unit; a first styrene-based copolymer including a C1 to C3 alkyl-substituted styrene-based monomer unit and a vinyl cyan-based monomer unit; a second styrene-based copolymer including an alkyl-unsubstituted styrene-based monomer unit and a vinyl cyan-based monomer unit; and an olefin-based copolymer including a C1 to C3 alkyl (meth)acrylate-based monomer unit. The thermoplastic resin composition exhibits remarkably excellent chemical resistance and remarkably excellent appearance characteristics while maintaining basic properties.
    Type: Application
    Filed: October 28, 2019
    Publication date: August 12, 2021
    Inventors: Da Eun SUNG, Yong Yeon HWANG, Chun Ho PARK, Yong Hee AN, Jeong Min JANG
  • Publication number: 20210246236
    Abstract: The present invention relates to a method of preparing a graft copolymer powder, which includes: preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer and a vinyl cyan-based monomer to a reactor and carrying out polymerization; preparing a core in the presence of the seed by adding an alkyl (meth)acrylate-based monomer and carrying out polymerization; and preparing a graft copolymer latex in the presence of the core by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and carrying out polymerization; adding an alkyl methacrylate-based polymer to the graft copolymer latex and carrying out coagulation, and more particularly, to a method of preparing a graft copolymer powder that is excellent in weather resistance, fluidity, mechanical properties, surface gloss and appearance quality.
    Type: Application
    Filed: October 10, 2019
    Publication date: August 12, 2021
    Inventors: Min Jung KIM, Yong Yeon HWANG, Bong Keun AHN, Wang Rae JOE, Jang Won PARK, Ji Yoon JEON
  • Patent number: 11084824
    Abstract: The present invention relates to a pyrazolopyrimidine derivative, a preparation method thereof and a pharmaceutical composition comprising the same as an active ingredient for the prevention or treatment of cancer, autoimmune disease and brain disease. The pyrazolopyrimidine derivative of the present invention exhibits excellent Bruton's tyrosine kinase inhibition activity, so that it can be effectively used as a pharmaceutical composition for the prevention or treatment of cancer, autoimmune disease and Parkinson's disease.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 10, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Pilho Kim, Sung Yun Cho, Jae Du Ha, Hyoung Rae Kim, Jong Yeon Hwang, Chang Soo Yun, Hee Jung Jung, Chi Hoon Park, Chong Ock Lee, Chang Hoon Lee, Sunjoo Ahn
  • Publication number: 20210238404
    Abstract: Provided is a thermoplastic resin composition which includes: a graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, a styrene-based monomer unit, and a vinyl cyan-based monomer unit; a first styrene-based copolymer including a C1 to C3 alkyl-substituted styrene-based monomer unit and a vinyl cyan-based monomer unit; and a second styrene-based copolymer including an unsubstituted styrene-based monomer unit and a vinyl cyan-based monomer unit. The thermoplastic resin composition is remarkably excellent in heat resistance, chemical resistance, and appearance characteristics while maintaining basic properties.
    Type: Application
    Filed: October 29, 2019
    Publication date: August 5, 2021
    Inventors: Da Eun SUNG, Yong Yeon HWANG, Chun Ho PARK, Yong Hee AN, Jeong Min JANG
  • Publication number: 20210238497
    Abstract: Disclosed is a composition of a lubricant for cold pilgering of zirconium alloy tubes. More particularly, disclosed is a composition of an external lubricant for cold pilgering of a zirconium alloy cladding tube, the composition exhibiting excellent lubricity and decomposition against microbes.
    Type: Application
    Filed: December 11, 2020
    Publication date: August 5, 2021
    Applicants: KEPCO NUCLEAR FUEL CO., LTD., SHL CO., LTD.
    Inventors: Min Young Park, Sang Jin Han, Ki Bum Park, Ho Yeon Hwang, Min Sung Kwon, Kyung Tae Kim, Pyeong Mo Yeo, Jeong Jin Jang, Sang Soon Choi
  • Publication number: 20210238348
    Abstract: The present disclosure relates to a method for preparing an aramid nanofiber dispersion. More specifically, the present invention relates to a method for preparing aramid nanofibers in a short time from aromatic polyamide-based polymers other than fibers, and to aramid nanofibers prepared therefrom.
    Type: Application
    Filed: March 19, 2019
    Publication date: August 5, 2021
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jeyoung PARK, Dong Yeop OH, Sung Yeon HWANG, Hyun Gil CHA, Jong Geon JEGAL, Ho Jun KIM, Seul A PARK