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).

  • Publication number: 20180257063
    Abstract: The present disclosure relates to a catalyst for dehydration of glycerin, a preparation method thereof, and a production method of acrolein using the catalyst. Particularly, the catalyst according to an embodiment of the present disclosure is used in a dehydration reaction of glycerin to exhibit high catalytic activity, a high yield, and high selectivity to acrolein and acrylic acid, and has a longer lifetime compared to the conventional catalysts due to a characteristic that coke carbon cannot be easily deposited on the surface of the catalyst.
    Type: Application
    Filed: December 15, 2016
    Publication date: September 13, 2018
    Inventors: Jun Seon CHOI, Ji Yeon KIM, Joo Young CHEON, Wang Rae JOE, Hye Jeong OK, Kyung Soo KIM
  • Patent number: 10067399
    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: Grant
    Filed: October 28, 2014
    Date of Patent: September 4, 2018
    Assignee: LG Hausys, Ltd.
    Inventors: Ji-Won Lim, Min-Hee Lee, Ji-Yeon Kim, Dong-Eung Kim
  • Patent number: 10046307
    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: August 14, 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: 20180181165
    Abstract: A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 28, 2018
    Inventors: lk Hyung PARK, Ji Yeon KIM, Myung Hwan KIM, Dae Ho YOON, Seong Jin HWANG
  • Publication number: 20180163840
    Abstract: A keyless rotation transfer unit may include a spline forming a pulley coupling force between an inner circumference of a shaft hole of a pulley and an outer circumference of a keyless shaft end forming one end of a shaft, with the keyless shaft end inserted into the shaft hole, and a flange nut screw-fastened to the keyless shaft end coming out of the shaft hole and forming a screw fastening force to press one surface of the pulley. In particular, the screw fastening force forms a shaft fastening force that causes a bearing to pressurize the other surface of the pulley, the bearing is coupled to the keyless shaft end and located at the rear of the pulley, and the flange nut forms a pulley holding force using the screw fastening force and the shaft fastening force.
    Type: Application
    Filed: November 2, 2017
    Publication date: June 14, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yong-Sung JANG, Jae-Won HA, Woo-Hyung SEOL, Ji-Yeon KIM, Hee-Ra LEE, Myung-Gyu KIM
  • Publication number: 20180150105
    Abstract: A protective cover and a display device including a protective cover are provided. According to one or more embodiments, a protective cover includes a cover substrate; a first anti-scattering coating layer on the cover substrate; an intermediate layer on the first anti-scattering coating layer; a second anti-scattering coating layer on the intermediate layer; and an adhesive layer on the second anti-scattering coating layer, and the first anti-scattering coating layer and the second anti-scattering coating layer cover an upper surface, a lower surface, and at least one side surface of the intermediate layer.
    Type: Application
    Filed: November 28, 2017
    Publication date: May 31, 2018
    Inventors: Seong Jin HWANG, Myung Hwan KIM, Ji Yeon KIM, Ik Hyung PARK, Dae Ho YOON, Kyu Young KIM
  • Publication number: 20180151829
    Abstract: A window substrate includes a glass substrate, and a shock wave transmission layer on a first surface of the glass substrate, wherein a density and elastic modulus of the shock wave transmission layer are respectively less than those of the glass substrate.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 31, 2018
    Inventors: Dae Ho Yoon, Myung Hwan Kim, Ji Yeon Kim, Ik Hyung Park, Seong Jin Hwang
  • Publication number: 20180136371
    Abstract: A protective cover includes a cover substrate, an anti-scattering coating layer on the cover substrate, and an adhesive layer on the anti-scattering coating layer, wherein the anti-scattering coating layer has a plurality of protrusions, wherein the cover substrate has a thickness of 10 ?m to 150 ?m, and wherein the cover substrate and the anti-scattering coating layer are configured to be folded with a curvature radius of 10 mm or less.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 17, 2018
    Inventors: Ji Yeon Kim, Seong Jin Hwang, Myung Hwan Kim, Ik Hyung Park, Dae Ho Yoon
  • Patent number: 9924869
    Abstract: A method of determining a required blood flow includes obtaining morphological information of a coronary artery in a cardiac image, segmenting the cardiac image into at least one myocardial region based on the morphological information of the coronary artery, and determining a blood flow required for each of the at least one myocardial region.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: March 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Hwan Kim, Hyong Euk Lee, Na Hyup Kang, Sang Wook Kim, Ji Yeon Kim
  • Publication number: 20180081088
    Abstract: A protecting cover includes a cover substrate, and a coating layer provided on the cover substrate, wherein the coating layer includes a matrix and a filler embedded in the matrix.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 22, 2018
    Inventors: Seong Jin HWANG, Myung Hwan KIM, Ji Yeon KIM, Ik Hyung PARK, Dae Ho YOON
  • Publication number: 20180034001
    Abstract: A window for a display device including a glass layer and a functional coating layer disposed on the glass layer. The functional coating layer may have an elastic modulus less than an elastic modulus of the glass layer. A thickness of the functional coating layer may be in a range from about 1 micrometer (um) to about 10 um.
    Type: Application
    Filed: June 21, 2017
    Publication date: February 1, 2018
    Inventors: SEONG-JIN HWANG, Jong-Hwan CHO, Myung-Hwan KIM, Ji-Yeon KIM, lk-Hyung PARK
  • Publication number: 20180016552
    Abstract: Provided are a method of preparing retinal ganglion cells by differentiation of stem into retinal ganglion cells, retinal ganglion cells differentiated by the method, a method of screening for a death inhibitor or a proliferation promoter of retinal ganglion cells using the retinal ganglion cells differentiated by the method, a kit of screening for the death inhibitor or the proliferation promoter of retinal ganglion cells including the retinal ganglion cells differentiated by the method, a pharmaceutical composition for treating glaucoma or optic neuropathy including the retinal ganglion cells, a method of treating glaucoma or optic neuropathy including the step of administering the retinal ganglion cells to a subject suspected of having glaucoma or optic neuropathy, and a method of preparing a mature retinal ganglion cell line.
    Type: Application
    Filed: August 27, 2015
    Publication date: January 18, 2018
    Inventors: Sung Sup PARK, Ji Yeon KIM
  • 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
  • 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
  • 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