Patents by Inventor Jin Ju

Jin Ju 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: 20210163643
    Abstract: The present invention provides an ethylene/alpha-olefin copolymer having narrow molecular weight distribution together with a low density and an ultra low molecular weight, and minimized number of unsaturated functional groups, and in which a comonomer is uniformly present to show excellent physical properties, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2019
    Publication date: June 3, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jin Sam Gong, Seung Hwan Jung, Jung Ho Jun, Rae Keun Gwak, Choong Hoon Lee, Eun Jung Lee, Hyun Jin Ju, In Sung Park, Sang Eun Park
  • Publication number: 20210155727
    Abstract: The present invention provides an ethylene/alpha-olefin copolymer having narrow molecular weight distribution together with a low density and an ultra low molecular weight, having minimized number of unsaturated functional groups, and having uniform crystallinity, thereby showing excellent physical properties, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2019
    Publication date: May 27, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Rae Keun Gwak, Seung Hwan Jung, Jin Sam Gong, Jung Ho Jun, Choong Hoon Lee, Eun Jung Lee, Hyun Jin Ju, In Sung Park, Sang Eun Park
  • Publication number: 20210115173
    Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) the density (d) and the melt temperature (Tm) satisfying Tm (° C.)=a×d?b of Equation 1 (2,350<a<2,500, and 1,900<b<2,100), and (4) a ratio (hardness/Tm) of the hardness (shore A) to the melt temperature (Tm) in a range of 1.0 to 1.3. The olefin-based polymer according to the present invention exhibits excellent anti-blocking properties due to having improved hardness as a low-density olefin-based polymer.
    Type: Application
    Filed: December 24, 2018
    Publication date: April 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sang Eun Park, Eun Jung Lee, Hyun Jin Ju, In Sung Park, Kyung Bok Bae, Choong Hoon Lee
  • Publication number: 20210095062
    Abstract: An olefin-based copolymer and a method of making the same are disclosed herein. In some embodiments, an olefin-based copolymer has a density (d) of 0.85 to 0.89 g/cc, a melt index (MI), measured at 190° C. and 2.16 kg load, of 15 g/10 min to 100 g/10 min, a number of unsaturated functional groups (total V) per 1,000 carbon atoms of 0.8 or less, a vinylene content, and a vinyl content, wherein the vinylene content, the vinyl content and the total V satisfy (a) vinylene content/total V=0.1 to 0.7 and (b) vinylene content/vinyl content=0.8 to 1.6. The olefin-based copolymer has controlled content and kind of an unsaturated functional group in the olefin-based copolymer and thus, has high flowability, and may show improved physical properties of hardness, flexural strength and tensile strength.
    Type: Application
    Filed: May 3, 2019
    Publication date: April 1, 2021
    Applicant: LG Chem, Ltd.
    Inventors: In Sung Park, Eun Jung Lee, Hyun Jin Ju, Sang Eun Park, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
  • Publication number: 20210025007
    Abstract: The present invention relates to a biomarker composition for diagnosing radiation-resistant cancer comprising PMVK as an active ingredient and a method of diagnosing radiation-resistant cancer using the same, and when the PMVK is knocked down, it is confirmed that the survival rate of cancer cells decreases during radiation treatment, and based on this, the possibility as a factor related to radiation therapy resistance to cancer was suggested, and the PMVK can be used as a new target to enhance the effect of radiation therapy on human cancer cells.
    Type: Application
    Filed: November 21, 2018
    Publication date: January 28, 2021
    Applicant: ENHANCEDBIO INC.
    Inventors: Eun Kyung CHOI, Seong-Yun JEONG, Si Yeol SONG, Yun-Yong PARK, Seok Soon PARK, Eun Jin JU, Eun Jung KO
  • Publication number: 20210024729
    Abstract: The present invention provides an ethylene/alpha-olefin copolymer having narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, and particularly a small amount of vinylidene among the unsaturated functional groups to show excellent physical properties, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 28, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung Ho JUN, Seung Hwan JUNG, Jin Sam GONG, Rae Keun GWAK, Choong Hoon LEE, Eun Jung LEE, Hyun Jin JU, In Sung PARK, Sang Eun PARK
  • Patent number: 10899642
    Abstract: The present invention relates to a wastewater treatment apparatus for shortcut nitrogen removal using anaerobic ammonium oxidation (ANAMMOX) and partial nitritation using ammonium oxidizing bacteria (AOB) granules. High-purity AOB granules are formed by means of AOB predominance using a side stream generated during a sludge treatment process. Moreover, the formed AOB granules are supplied to a partial nitritation tank (130) of a main treatment process and thus the partial nitritation is efficiently performed and nitrogen is quickly removed, and thus oxygen and an organic material is reduced compared to an existing method.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: January 26, 2021
    Inventors: Min Ki Jung, Dae Hwan Rhu, Hong Keun Park, Dong Woo Kim, Dong Jin Ju
  • Publication number: 20210009793
    Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.850 to 0.865 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 3.0 g/10 min, and (3) a soluble fraction (SF) of 10 wt % or more at ?20° C. in cross-fractionation chromatography (CFC), in which a weight average molecular weight (Mw) of the soluble fraction is in a range of 50,000 g/mol to 500,000 g/mol. The olefin-based polymer according to the present invention exhibits improved anti-blocking properties as a low-density olefin-based polymer.
    Type: Application
    Filed: December 24, 2018
    Publication date: January 14, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lee, Hyun Jin Ju, In Sung Park, Sang Eun Park, Kyung Bok Bae, Choong Hoon Lee
  • Patent number: 10890331
    Abstract: A cooking appliance includes a knob assembly to emit light to improve an aesthetic feel and user convenience. The cooking appliance includes a main body having at least one heating source, a panel disposed in the main body and provided with a through hole, and a knob assembly coupled to the panel. The knob assembly includes a knob, at least one light source configured to emit light, a first light guide passing through the through hole and arranged to guide the light emitted from the light source, and a second light guide configured to guide the light guided by the first light guide to an outside of the knob.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jin Ju Kim
  • Publication number: 20200405084
    Abstract: The present invention relates to a swimming cap and swimwear, in which after the wet swimming cap, swimsuit and swimming goggles are washed with clean water, all the swimwear pieces are hung to be dried and stored on one hanger, and specifically, the swimming cap is completely dried on the inside without being folded. The hanger for a swimming cap and swimwear comprises: a frame section 11 with a hook, an uneven section 13 to hang swimming goggles or swimsuits, and a cap receiving section 12 to hang a swimming cap.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 31, 2020
    Inventors: Neul Hae CHO, Jin Ju PARK
  • Publication number: 20200369807
    Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.85 to 0.90 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 15 g/10 min, (3) a molecular weight distribution (MWD) in a range of 1.0 to 3.0, and (4) a number average molecular weight (Mn) and a Z+1 average molecular weight (Mz+1) satisfying the Equation 1, {Mn/(Mz+1)}×100>15. The olefin-based polymer according to the present invention is a low-density olefin-based polymer and exhibits excellent tensile strength due to having improved molecular weight as compared to the flow index.
    Type: Application
    Filed: December 24, 2018
    Publication date: November 26, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sang Eun Park, Eun Jung Lee, Hyun Jin Ju, In Sung Park, Kyung Bok Bae, Choong Hoon Lee
  • Publication number: 20200362073
    Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.850 g/cc to 0.865 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 3.0 g/10 min, (3) a melt temperature (Tm) of 10° C. to 100° C., and (4) a hardness (H, Shore A), the density (d) and the melt temperature (Tm) satisfying Equation 1, and Equation 2 or 3. The olefin-based polymer according to the present invention has low hardness and improved foaming properties, and exhibits improved impact strength at compounding.
    Type: Application
    Filed: December 21, 2018
    Publication date: November 19, 2020
    Applicant: LG Chem, Ltd.
    Inventors: In Sung Park, Eun Jung Lee, Hyun Jin Ju, Sang Eun Park, Kyung Bok Bae, Choong Hoon Lee
  • Patent number: 10797099
    Abstract: The present disclosure provides an image sensor and a method of manufacturing the same. An image sensor includes a first substrate, a barrier structure, a first structure, a second substrate, and a second structure. The first substrate includes a device region in which unit pixels are disposed and a first residual scribe lane region surrounding the device region. The first substrate has a first surface and a second surface. The barrier structure penetrates the first substrate in the first residual scribe lane region. The first surface of the first substrate is on the first structure. The second substrate includes a second residual scribe lane region facing the first residual scribe lane region. The second substrate has a front surface and a rear surface. The second structure is on the front surface of the second substrate and faces the first surface of the first substrate. The second structure is bonded to the first structure.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-hyun Kim, Han-seok Kim, Chung-ho Song, Jin-ju Jeon
  • Publication number: 20200163506
    Abstract: A robot cleaner includes a main body having a suction motor; a moving unit to automatically move the main body; and a suction module to be in communication with the suction motor and to clean a floor, wherein an accommodating portion in which a part of the suction module is accommodated is provided at a lower portion of a front side of the main body, and while the suction module is located in the accommodating portion, a part of the suction module is disposed to be vertically overlapped with the main body, and another part of the suction module protrudes toward both sides from a front portion of the main body, and still another part of the suction module protrudes to a front of the main body.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Inventors: Hyosung KIM, Bohyun NAM, Sojin PARK, Jin-Ju KIM, Sehwan BAE
  • Patent number: 10627402
    Abstract: Provided is a peptide for targeting gastric cancer, a composition for diagnosing radioresponsiveness-dependent gastric cancer using the peptide, and a drug delivery use of the peptide, wherein a functional peptide capable of targeting cancer has been discovered so as to implement personalized diagnosis and treatment for individual patients having cancer, consideration of problems occurring during treatment in which treatment cases of respective patients differ due to different therapeutic responses resulting from genetic differences in the individual patients.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: April 21, 2020
    Assignee: UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Eun Kyung Choi, Seong-Yun Jeong, Si Yeol Song, Kyoung Jin Lee, Seol Hwa Shin, Eun Jin Ju
  • Publication number: 20200102595
    Abstract: The present invention relates to a method for determining the DNA quality of a biological sample and, more specifically, to a method for determining the DNA quality of a biological sample by performing a quantitative polymerase chain reaction (PCR) using primers capable of amplifying a target gene, a method for preparing the primers used in the method, and a method for standardizing the amount of detected target gene mutation by using the determined DNA quality. The method of the present invention enables objective evaluation of the NDA quality of a biological sample used in gene analysis and the presentation of objective results on the expression ratio of a gene mutation, thereby providing reliable information in the fields of clinical research and companion diagnosis.
    Type: Application
    Filed: April 4, 2018
    Publication date: April 2, 2020
    Inventors: Young Kee SHIN, Jin Ju KIM, Sung Su KIM, Hyun Jeung CHOI, Young Ho MOON, Myung Sun KIM
  • Publication number: 20200066784
    Abstract: The present disclosure provides an image sensor and a method of manufacturing the same. An image sensor includes a first substrate, a barrier structure, a first structure, a second substrate, and a second structure. The first substrate includes a device region in which unit pixels are disposed and a first residual scribe lane region surrounding the device region. The first substrate has a first surface and a second surface. The barrier structure penetrates the first substrate in the first residual scribe lane region. The first surface of the first substrate is on the first structure. The second substrate includes a second residual scribe lane region facing the first residual scribe lane region. The second substrate has a front surface and a rear surface. The second structure is on the front surface of the second substrate and faces the first surface of the first substrate. The second structure is bonded to the first structure.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 27, 2020
    Applicant: Samsung Electronics Co.,Ltd.
    Inventors: Sun-hyun KIM, Han-seok Kim, Chung-ho Song, Jin-ju Jeon
  • Patent number: 10551244
    Abstract: Provided is a photon detector. The photon detector includes an optical waveguide including input and detection regions, which are spaced apart from each other in a first direction, and a conversion region between the input region and the detection region, a nano pattern disposed on the optical waveguide in the conversion region, and a nanowire disposed on the optical waveguide in the detection region. The nano pattern includes a first pattern and a second pattern, which extend in the first direction, and the first pattern and the second pattern are spaced apart from each other in a second direction crossing the first direction.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: February 4, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Wook-Jae Lee, Jung Jin Ju
  • Patent number: 10553364
    Abstract: A multilayer capacitor includes a capacitor body including dielectric layers, first and second internal electrodes alternately disposed, with one of the dielectric layers interposed therebetween, and first and second groove parts formed in first and second surfaces of the capacitor body opposing each other to extend in a first direction in which the dielectric layers are stacked, and contacting the first and second internal electrodes, respectively; and first and second via electrodes formed in the first and second groove parts, respectively, and electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Ok Han, Jin Kyung Joo, Jin Ju Park, Jae Yeol Choi, Hong Seok Kim
  • Publication number: 20200031701
    Abstract: The present invention relates to a wastewater treatment apparatus for shortcut nitrogen removal using anaerobic ammonium oxidation (ANAMMOX) and partial nitritation using ammonium oxidizing bacteria (AOB) granules. High-purity AOB granules are formed by means of AOB predominance using a side stream generated during a sludge treatment process. Moreover, the formed AOB granules are supplied to a partial nitritation tank (130) of a main treatment process and thus the partial nitritation is efficiently performed and nitrogen is quickly removed, and thus oxygen and an organic material is reduced compared to an existing method.
    Type: Application
    Filed: December 26, 2017
    Publication date: January 30, 2020
    Inventors: Min Ki JUNG, Dae Hwan RHU, Hong Keun PARK, Dong Woo KIM, Dong Jin JU