Patents by Inventor Ji-yeon Kim

Ji-yeon Kim 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: 9865558
    Abstract: A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film having a differential scanning calorimeter onset temperature of 60° C. to 85° C., and a elastic modulus change of 30% or less, as calculated by Equation 1, below, Elastic modulus change(%)={(M1?M0)/M0}×100??[Equation 1] wherein M0 is an initial elastic modulus in kgf/cm2 of the anisotropic conductive film as measured at 25° C., and M1 is a elastic modulus in kgf/cm2 of the anisotropic conductive film as measured at 25° C. after the film is left at 25° C. for 170 hours.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Young Ju Shin, Kyoung Ku Kang, Ji Yeon Kim, Kyoung Soo Park, Young Woo Park, Byeong Geun Son, Kyoung Hun Shin, Kwang Jin Jung, Jae Sun Han, Ja Young Hwang
  • Patent number: 9861957
    Abstract: The present invention relates to: a catalyst for glycerin dehydration; a preparation method therefor; and an acrolein preparation method using the catalyst. According to one embodiment of the present invention, the catalyst is used in glycerin dehydration so as to exhibit high catalytic activity, a high yield and high acrolein selectivity, and has a characteristic in which carbon is not readily deposited, thereby having a long lifetime compared with that of a conventional catalyst.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: January 9, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ji Yeon Kim, Jun Seon Choi, Joo Young Cheon, Wang Rae Joe, Hye Jeong Ok, Kyung Soo Kim
  • Publication number: 20170355971
    Abstract: The present invention relates to a novel thermophile-derived keratinase having keratin decomposition ability. Further, the present invention relates to a polynucleotide encoding the keratinase, a recombinant vector containing the same, host cells transformed by using the recombinant vector, and a method for preparing a keratinase including a step of culturing the host cells. Further, the present invention relates to a composition for decomposing keratin containing the enzyme; and a method for decomposing keratin by using the same. Further, the present invention relates to a keratin decomposed product decomposed by the enzyme.
    Type: Application
    Filed: September 7, 2015
    Publication date: December 14, 2017
    Inventors: Dong Woo Lee, Yong Jik Lee, Hyun Su Jin, Ji Yeon Kim, Gae Won Nam, Sang Jae Lee
  • Publication number: 20170349597
    Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 7, 2017
    Inventors: Chun Eung PARK, Young Koo JANG, Yong Je SHIN, Ji Yeon KIM, Seung Mo HAM, Yong Gil KIM, Hye Kyung MIN, Soo Bong CHA, Hyo Jun JUNG, Ju Young LEE, Seung Nam HAN, Jin Yong CHUNG, Eun Ju CHOI, Chan Mi JOUNG, Jong Sil PARK, Ji Won LEE, Nahm Ryune CHO, Eun Ju RYU, Cheol Young MAENG
  • Publication number: 20170338468
    Abstract: Provided are a method of preparing a composition for forming a positive electrode of a lithium secondary battery which includes preparing a first dispersed solution by primary dispersion of a conductive agent and a dispersant in a solvent, preparing a second dispersed solution by adding binder powder to the first dispersed solution and performing secondary dispersion, and adding and mixing a positive electrode active material to the second dispersed solution, and a positive electrode and a lithium secondary battery which are prepared by using the composition. A composition for forming a positive electrode of a lithium secondary battery, which has improved dispersibility, may be prepared by the above method, and internal resistance of the battery may be reduced and output characteristics may be improved when a positive electrode is prepared by using the composition.
    Type: Application
    Filed: January 13, 2016
    Publication date: November 23, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Ji Yeon KIM, Taek Soo LEE, Jun Soo PARK, Sang Hoon CHOY
  • Publication number: 20170304804
    Abstract: The present invention relates to: a catalyst for glycerin dehydration; a preparation method therefor; and an acrolein preparation method using the catalyst. According to one embodiment of the present invention, the catalyst is used in glycerin dehydration so as to exhibit high catalytic activity, a high yield and high acrolein selectivity, and has a characteristic in which carbon is not readily deposited, thereby having a long lifetime compared with that of a conventional catalyst.
    Type: Application
    Filed: December 8, 2015
    Publication date: October 26, 2017
    Inventors: Ji YEON KIM, Jun Seon CHOI, Joo Young CHEON, Wang Rae JOE, Hye Jeong OK, Kyung Soo KIM
  • Publication number: 20170296999
    Abstract: The present disclosure relates to an apparatus for preparing super-absorbent polymer (SAP) and a method for preparing SAP using the same. The apparatus for preparing SAP includes, a belt formed between two or more rotary shafts and traveling in a predetermined direction upon the rotation of the rotary shafts; and a feeding unit feeding a monomer composition to the belt, wherein the belt includes recess patterns at a bottom thereof.
    Type: Application
    Filed: December 10, 2014
    Publication date: October 19, 2017
    Inventors: Dae Keon CHOI, Eui Duk Kim, Ji Yeon KIM, Choong Hoon PAIK, Yu Jin SIM, Seok Heon OH, Min Ho LEE
  • Publication number: 20170252546
    Abstract: Discloses is a method of manufacturing a micro-needle. The method includes a step of preparing a medicinal solution, a step of forming a plurality of tips with the medicinal solution, and a step of forming a cavity in each of the tips. In accordance with such a configuration, a micro-needle in which cavities are formed is provided, whereby it is possible to administer a fixed amount of medicine in a short time.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 7, 2017
    Applicant: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jung Hwan PARK, Ji Yeon KIM, Jee Hyun PARK, Won Jun LEE
  • Patent number: 9745310
    Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: August 29, 2017
    Assignee: SK BIOPHARMACEUTICALS CO., LTD.
    Inventors: Chun Eung Park, Young Koo Jang, Yong Je Shin, Ji Yeon Kim, Seung Mo Ham, Yong Gil Kim, Hye Kyung Min, Soo Bong Cha, Hyo Jun Jung, Ju Young Lee, Seung Nam Han, Jin Yong Chung, Eun Ju Choi, Chan Mi Joung, Jong Sil Park, Ji Won Lee, Nahm Ryune Cho, Eun Ju Ryu, Cheol Young Maeng
  • Patent number: 9741891
    Abstract: An EVA sheet for a photovoltaic module comprising microparticles, the main component of which is an ethylene-vinyl acetate resin is provided. A method for manufacturing an EVA sheet for a photovoltaic module comprising the steps of: (a) preparing microparticles, the main component of which is an ethylene-vinyl acetate resin; (b) dispersing the microparticles; and (c) sintering the dispersed microparticles is provided.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: August 22, 2017
    Assignee: LG HAUSYS, LTD.
    Inventors: Ji Yeon Kim, Jong Hun Lee, Chul-June Choi
  • Publication number: 20170211988
    Abstract: A device for mounting a temperature sensor for a motor is provided. The device is replaceably mounted at a predetermined position of a motor and allows a temperature to be more easily detected when heat is generated as the motor operates. The device is configured to allow a temperature sensor to more smoothly perform a sensing function and allows improved replacement of the temperature sensor upon malfunction of the temperature sensor breaks down. The device includes a structure with the temperature sensor disposed in a temperature sensor fixing bracket, and a thermally conductive substance is received and sealed between the temperature sensor fixing bracket and the temperature sensor. The temperature sensor is detachably coupled to an end coil of a motor.
    Type: Application
    Filed: July 21, 2016
    Publication date: July 27, 2017
    Inventors: Yong Sung Jang, Ji Yeon Kim, Myung Gyu Kim
  • Publication number: 20170165861
    Abstract: The present invention relates to an apparatus for cutting a super absorbent polymer and a method for preparing a super absorbent polymer using the same. The apparatus for cutting a super absorbent polymer of the present invention includes: an injection part for injecting a super absorbent polymer; a first cutter for primarily cutting the super absorbent polymer; a second cutter for secondarily cutting the super absorbent polymer; and a discharging part for discharging the cut super absorbent polymer.
    Type: Application
    Filed: January 29, 2015
    Publication date: June 15, 2017
    Inventors: Yu Jin Sim, Choong Hoon Paik, Eui Duk Kim, Ji Yeon Kim, Seok Heon Oh, Min Ho Lee, Dae Keon Choi
  • Publication number: 20170162531
    Abstract: An anisotropic conductive film composition, an anisotropic conductive film prepared using the same, and a connection structure using the same, the anisotropic conductive film including a binder resin; a curable alicyclic epoxy compound; a curable oxetane compound; a quaternary ammonium catalyst; and conductive particles, wherein the anisotropic conductive film has a heat quantity variation rate of about 15% or less, as measured by differential scanning calorimetry (DSC) and calculated by Equation 1: Heat quantity variation rate (%)=[(H0?H1)/H0]×100??Equation 1 wherein H0 is a DSC heat quantity of the anisotropic conductive film, as measured at 25° C. and a time point of 0 hr, and H1 is a DSC heat quantity of the anisotropic conductive film, as measured after being left at 40° C. for 24 hours.
    Type: Application
    Filed: December 6, 2016
    Publication date: June 8, 2017
    Inventors: Youn Jo KO, Soon Young KWON, Ji Yeon KIM, Ha Na KIM, Young Woo PARK, Hyun Joo SEO, Gun Young HEO, Ja Young HWANG
  • Publication number: 20170153525
    Abstract: The present invention relates to a transmittance-variable film and a method for producing the same, the film comprising: a transparent substrate; a wire electrode formed on the top of the transparent substrate; an insulating layer formed on the top of the wire electrode; a plurality of partition walls positioned on both sides of the wire electrode; a transparent electrode formed on the top of the plurality of partition walls; a cell configured to be surrounded by the plurality of partition walls, the insulating layer and the transparent electrode; and a charged particle fluid contained inside the cell, wherein the insulating layer is formed with a thickness of 0.4 to 1?m.
    Type: Application
    Filed: October 28, 2014
    Publication date: June 1, 2017
    Applicant: LG Hausys, Ltd.
    Inventors: Ji-Won LIM, Min-Hee LEE, Ji-Yeon KIM, Dong-Eung KIM
  • Patent number: 9657196
    Abstract: A semiconductor device connected by an anisotropic conductive film. The anisotropic conductive film includes a composition for an anisotropic conductive film including a first epoxy resin having an exothermic peak temperature of about 80° C. to about 110° C. and a second epoxy resin having an exothermic peak temperature of 120° C. to 200° C., as measured by differential scanning calorimetry (DSC). The first epoxy resin and the second epoxy resin are present in combined amount of about 30 wt % to about 50 wt % based on a total weight of the composition in terms of solid content. The second epoxy resin is present in an amount of about 60 to about 90 parts by weight based on 100 parts by weight of the first and second epoxy resins.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yeon Kim, Kyoung Ku Kang, Kyoung Soo Park, Young Woo Park, Byeong Geun Son, Kyoung Hun Shin, Young Ju Shin, Kwang Jin Jung, Jae Sun Han, Ja Young Hwang
  • Patent number: 9594476
    Abstract: The present invention relates to an electronic device and a method of controlling the same. An electronic device according to an embodiment of the present invention converts the state of a page displayed on a touchscreen to a standby state through rear input and cancels the standby state upon release of the rear input, thereby providing a page corresponding to a desired time when the rear input is released.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: March 14, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Yoon Seok Yang, Ji Yeon Kim, Kyungjin Moon, Songyi Baek
  • Patent number: 9528112
    Abstract: The present invention relates to a composition comprising a material for inhibiting stem cell factor (SCF) or the receptor thereof for treating or preventing vascular permeability related diseases. Also, the present invention relates to a method for screening for an agent for treating vascular permeability related diseases, comprising the steps of: (a) treating a sample from a patient suspected of having a disease associated with vascular permeability with a candidate material; and (b) comparing the level of expression of the SCF or the receptor thereof with that of a control group. The present invention verifies SCF as a novel target for regulating vascular permeability. When the present invention is used, vascular permeability is decreased in diseases of the eye involving increased vascular permeability, thereby effectively treating or preventing vascular permeability related diseases. Also, vascular permeability can be effectively regulated using the composition.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: December 27, 2016
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Won Hee Suh, Ji Yeon Kim
  • Patent number: D776694
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Yeon Kim, Jae-Myoung Lee
  • Patent number: D777735
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: January 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Yeon Kim, Yong-Chae Jung, Jae-Myoung Lee
  • Patent number: D788370
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: May 30, 2017
    Assignee: Three Seven Corporation
    Inventors: Jong Ho Cho, Ji Yeon Kim