Patents by Inventor Seung-Young Park

Seung-Young Park 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).

  • Wafer inspection apparatus
    Patent number: 10641714
    Abstract: Disclosed is a wafer inspection apparatus. The wafer inspection apparatus includes: a magnetic field generating unit forming a magnetic field such that magnetic lines of force flow in a direction perpendicular or parallel to a first surface of a wafer on which a magnetic thin film is formed; a microwave guide unit emitting microwaves to a measurement region that is at least a partial region of the wafer and is a region affected by the magnetic field generated by the magnetic field generating unit; and a sensing unit receiving waves reflected or transmitted after the microwaves are emitted to the measurement region from the microwave guide unit.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: May 5, 2020
    Assignees: KOREA BASIC SCIENCE INSTITUTE, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung-young Park, Sang-il Kim, Younghun Jo, Byoung-Chul Min
  • Organozinc-supported catalyst, method for producing the same, and method for preparing polyalkylene carbonate resin using catalyst
    Patent number: 10640610
    Abstract: The present invention relates to an organozinc-supported catalyst, a method for producing the same, and a method for preparing a polyalkylene carbonate resin using the catalyst. The organozinc-supported catalyst provided by the present invention includes a zinc dicarboxylate-based catalyst supported on a zinc compound layer formed on at least a portion of a support surface, and can be used repeatedly or continuously while exhibiting improved selectivity in the polymerization process for preparing a polyalkylene carbonate resin.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: May 5, 2020
    Assignee: LG CHEM LTD.
    Inventors: Jun Wye Lee, Il Ha Lee, Seung Young Park, Ki-Hwan Kim, Sung-Kyoung Kim
  • Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst
    Patent number: 10633488
    Abstract: The present invention relates to an organic zinc catalyst which exhibits more improved catalytic activity than conventional organic zinc catalysts during a polymerization process for the preparation of a polyalkylene carbonate resin and is capable of preventing an aggregation phenomenon during a reaction, a method for preparing the same, and a method for preparing a polyalkylene carbonate resin using the organic zinc catalyst. The method for preparing an organic zinc catalyst includes the step of reacting a zinc precursor with a dicarboxylic acid in the presence of a polyether derivative to form a zinc dicarboxylate-based catalyst.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: April 28, 2020
    Assignee: LG CHEM LTD.
    Inventors: Sung-Kyoung Kim, Seung Young Park
  • Power supply apparatus for field winding motor and field winding motor including the same
    Patent number: 10622775
    Abstract: A power supply apparatus for a field winding motor. A brush is disposed is a holder. An armature is connected to the brush and disposed in the holder. A slip ring is electrically connected to or disconnected from the brush. A support spring surrounds the brush between the slip ring and the armature. A coil is disposed outside of the holder so as to overlap the support spring and the armature. A first power terminal is connected to the brush and supplies a first driving current. A second power terminal is connected to the coil and supplying a second driving current.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: April 14, 2020
    Assignee: MANDO CORPORATION
    Inventors: Seung Young Park, Chung Seong Lee, Hyun Ku
  • Production method of poly(alkylene carbonate) particles
    Patent number: 10577462
    Abstract: The present invention relates to a production method of polyalkylene carbonate particles capable of precipitating and separating resin particles from a polyalkylene carbonate suspension obtained through polymerization of an epoxide and carbon dioxide. According to the present invention, the production method is capable of obtaining a polyalkylene carbonate resin having excellent workability with a high yield and a low energy cost while reducing a scale of a facility, a processing time, and a wastewater amount, as compared to conventional methods such as a flash separation method.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: March 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Woo Sung Hwang, Jong-Ku Lee, Seung Young Park, Dong Kwon Lee, Hyun Ju Cho, Kwang Hyon Kim, Yong Hee An, Jun Wye Lee
  • POLYALKYLENE CARBONATE-BASED RESIN FILM
    Publication number: 20200056003
    Abstract: The disclosed relates to a polyalkylene carbonate-based resin film. More specifically, the present disclosure relates to a polyalkylene carbonate resin-based film comprising a blend resin in which a polyalkylene carbonate resin and a polyketone resin are mixed in a specified amount, thereby ensuring both excellent tensile strength and tear strength without deteriorating elongation properties possessed by the polyalkylene carbonate resin.
    Type: Application
    Filed: December 27, 2017
    Publication date: February 20, 2020
    Inventors: Hyun Min KIM, Hyun Ju CHO, Sung-Kyoung KIM, Seung Young PARK
  • DEEP LEARNING METHOD
    Publication number: 20200019880
    Abstract: Provided is a deep learning method including a step of each of at least two or more deep learning machines learning a web traffic by using a hexadecimal; a step of the deep learning machines learning the web traffic by using an incremental learning using a weight; a step of, when the web traffic is received, each of the deep learning machines encoding a character string of the web traffic with UTF-8 hexadecimal; a step of each of the deep learning machines converting the character string into an image and deep learning the image.
    Type: Application
    Filed: January 8, 2019
    Publication date: January 16, 2020
    Applicant: Cloudbric Corp
    Inventors: Seung Young Park, Tai Yun Kim, Tae Joon Jung, Eun A Ko
  • METHOD FOR PURIFYING POLYALKYLENE CARBONATE
    Publication number: 20200010616
    Abstract: The present invention relates to a method for purifying polyalkylene carbonate. More specifically, a method for purifying polyalkylene carbonate is provided, which uses a multistage extraction column having the number of stages of at least 10 stages, using water for effectively removing by-products such as alkylene carbonate generated in a process for producing polyalkylene carbonate resin, thereby controlling the content of by-products to a certain level or less through a continuous operation, particularly, the extraction is performed at room temperature, thereby easily removing by-products in the resin without a high temperature volatilization.
    Type: Application
    Filed: May 9, 2018
    Publication date: January 9, 2020
    Inventors: Seung Young PARK, Jung Min SOHN
  • POLYKETONE RESIN COMPOSITION AND POLYKETONE RESIN MOLDED ARTICLE
    Publication number: 20200010676
    Abstract: The present invention relates to a polyketone resin composition and a polyketone resin molded article produced by using the composition, and particularly to a polyketone resin and a polyketone resin molding which comprise a predetermined content of polyketone and polyalkylene carbonate and thus have enhanced melt stability of polyketone.
    Type: Application
    Filed: December 27, 2017
    Publication date: January 9, 2020
    Inventors: Seung Young PARK, Sung-Kyoung KIM
  • METHOD FOR PREPARING ORGANIC ZINC CATALYST, ORGANIC ZINC CATALYST PREPARED BY THE METHOD AND METHOD FOR PREPARING POLYALKYLENE CARBONATE RESIN USING THE CATALYST
    Publication number: 20190329230
    Abstract: The disclosed relates to a method for preparing an organic zinc catalyst used in the synthesis of a polyalkylene carbonate resin, an organic zinc catalyst provided therefrom, and a method for preparing a polyalkylene carbonate resin using the catalyst. The organic zinc catalyst according to the present disclosure includes a predetermined amount of Zr on the surface through a simple process, and thus can exhibit improved catalytic activity as compared to a conventional catalyst in the polymerization process for preparing a polyalkylene carbonate resin.
    Type: Application
    Filed: August 28, 2018
    Publication date: October 31, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jungup BANG, Kyosung PARK, Seung Young PARK, Gyo Hyun HWANG, Byung Hee CHOI, Sung-Kyoung KIM, Yongju BANG
  • Method of preparing polyalkylene carbonate resin
    Patent number: 10457773
    Abstract: A method of preparing a polyalkylene carbonate resin is provided. More particularly, a method of preparing a polyalkylene carbonate resin capable of preventing polymer degradation and improving physical properties and quality of a final resin product, in which, after polymerization of polyalkylene carbonate, by-products are removed by using a large amount of water to purify a reaction mixture, and in a subsequence process of removing a catalyst residue, a primary purification method is conducted by using a filter so that a content of the catalyst in the reaction mixture is less than 1% by weight, is provided.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: October 29, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jung Min Sohn, Seung Young Park, Jin Woo Lee, Yoon Jung Kim, Taek Jun Jung, Yun Ki Cho, Yong Hee An, Jun Wye Lee
  • Two Part Adhesive Composition
    Publication number: 20190322912
    Abstract: The present disclosure relates to an acrylic adhesive composition exhibiting excellent lap shear strength and adhesive strength by including an adhesion enhancer of a specific component.
    Type: Application
    Filed: May 2, 2018
    Publication date: October 24, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu Oh, Gyeong Shin Choi, Seung Young Park
  • POLYALKYLENE CARBONATE RESIN COMPOSITION AND POLYALKYLENE CARBONATE RESIN MOLDED ARTICLE
    Publication number: 20190300702
    Abstract: The disclosed relates to a polyalkylene carbonate resin composition, and more specifically, to a polyalkylene carbonate resin composition containing polyalkylene carbonate and polyketone. The polyalkylene carbonate resin composition particularly exhibits excellent thermal stability, while having excellent transparency and flexibility, oxygen barrier properties, and mechanical and chemical properties.
    Type: Application
    Filed: December 27, 2017
    Publication date: October 3, 2019
    Inventors: Seung Young PARK, Sung-Kyoung KIM
  • Two-Component Adhesive Composition
    Publication number: 20190300754
    Abstract: A two-component adhesive composition includes: (i) a first part of a (meth)acrylate-based monomer mixture including components (a1) to (a3) below: (a1) an alkyl (meth)acrylate compound, and any one or more of a (meth)acrylate compound having an alkoxysilyl group, and a (meth)acrylate compound having an unsaturated functional group except for an acryloyl group, (a2) 50 to 100 parts by weight of an adhesive reinforcing agent relative to the 100 parts by weight of the (meth)acrylate-based monomer mixture, and (a3) 1 to 10 parts by weight of a filler relative to the 100 parts by weight of the (meth)acrylate-based monomer mixture; and (ii) a second part including components (b1) and (b2) below with a weight ratio of 1:1 to 20:1, where (b1) 100 parts by weight of an epoxy resin, and (b2) 50 to 150 parts by weight of an initiator with respect to (b1).
    Type: Application
    Filed: May 25, 2018
    Publication date: October 3, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu Oh, Gyeong Shin Choi, Seung Young Park
  • Method and apparatus for detecting anomaly traffic
    Patent number: 10432653
    Abstract: Disclosed is a method for detecting anomaly traffic using an autoencoder based on an inception-residual network-v2 which is one type of machine learning methods, the method including generating a plurality of encoders on the basis of traffic data for learning; generating a plurality of pieces of image data on the basis of traffic data for each session, which is a detection target; and determining whether the traffic data for each session is abnormal using at least one among the traffic data for learning, the plurality of encoders, and the plurality of pieces of image data.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: October 1, 2019
    Assignee: PENTA SECURITY SYSTEMS INC.
    Inventors: Sang Gyoo Sim, Seok Woo Lee, Seung Young Park, Duk Soo Kim
  • SEALING DEVICE OF SWING-IN DOOR FOR BUS
    Publication number: 20190291555
    Abstract: A sealing device of a swing-in door for a bus may include a lower sealing member configured to be hingedly coupled to an outdoor side of a lower end portion of the swing-in door, and a guide arm configured to be coupled to the lower end portion of the swing-in door to rotate the swing-in door in an opposite direction when rotated.
    Type: Application
    Filed: November 28, 2018
    Publication date: September 26, 2019
    Inventor: Seung-Young Park
  • ADHESIVE COMPOSITION
    Publication number: 20190153271
    Abstract: In the present invention, there is provided an adhesive composition which comprises carbon nanotubes and thus, exhibits high adhesive strength due to excellent lap shear strength.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 23, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Wan Kyu OH, Seung Young PARK, Gyeong Shin CHOI
  • ADIABATIC COLLECTOR FOR RECYCLING GAS, LIQUEFIER FOR RECYCLING GAS, AND RECOVERY APPARATUS FOR RECYCLING GAS USING SAME
    Publication number: 20190137175
    Abstract: Disclosed is an adiabatic collector for recycling gas, a liquefier for recycling gas, and a recovery apparatus for recycling gas using the same. More specifically, gas to be recycled is collected in an adiabatic manner, cooled to a temperature lower than the dew point thereof, and stored in the liquid state through a phase change, thereby saving energy required for re-cooling the gas. Particularly, the present invention relates to an adiabatic collector for recycling gas, a liquefier for recycling gas, and a recovery apparatus for recycling gas using the same, in which recycling gas is compressed through a natural inducement method using a difference in temperature and pressure while being collected and liquefied, thereby reducing noise, vibration, and size of the collector.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Applicant: Korea Basic Science Institute
    Inventors: Seung Young Park, Yeon Suk Choi, Min Su Seo, Myung Su Kim
  • BOBBIN AND COIL ASSEMBLY AND ELECTROMAGNET EQUIPMENT INCLUDING SAME
    Publication number: 20190115144
    Abstract: The present invention relates to a bobbin and a coil assembly and electromagnet equipment including the same, and the electromagnet equipment, which includes a bobbin and a coil, includes a coil assembly receiving a refrigerant so as to remove heat produced when magnetic field lines are famed by an electric current running through the coil while the coil is wound on a center shaft relative to the center shaft provided on a center of the bobbin; and a terminal block provided on a lower side of the coil assembly, the terminal block supporting the coil assembly and receiving a refrigerant from outside and supplying the refrigerant to the coil assembly.
    Type: Application
    Filed: October 5, 2018
    Publication date: April 18, 2019
    Applicant: KOREA BASIC SCIENCE INSTITUTE
    Inventors: Seung-young Park, Jungmin Jong Park
  • METHOD FOR DETECTING ABNORMAL SESSION
    Publication number: 20190095301
    Abstract: Provided is a method for detecting an abnormal session including a request message received by a server from a client and a response message generated by the server, the method including transforming at least a part of messages included in the session into data in the form of a matrix, transforming the data in the form of the matrix into a representation vector a dimension of which is lower than a dimension of the matrix of the data using a convolutional neural network, and determining whether the session is abnormal by arranging the representation vectors obtained from the messages in an order in which the messages are generated to compose a first representation vector sequence, and analyzing the first to representation vector sequence using an long short term memory (LSTM) neural network.
    Type: Application
    Filed: February 28, 2018
    Publication date: March 28, 2019
    Inventors: Sang Gyoo SIM, Duk Soo KIM, Seok Woo LEE, Seung Young PARK