Patents by Inventor Jung-In Han

Jung-In Han 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).

  • THERMAL BARRIER COATED VEHICLE TURBOCHARGER TURBINE WHEEL
    Publication number: 20210123346
    Abstract: A turbine wheel for a turbocharger of a vehicle propulsion system includes a central hub and a plurality of blades extending outwardly from the central hub. Each of the blades defining an inducer section and an exducer section, and each of the blades including a first surface portion and a second surface portion. The first surface portion including a thermal barrier coating and the second surface portion free from the thermal barrier coating.
    Type: Application
    Filed: October 23, 2019
    Publication date: April 29, 2021
    Inventors: Grant W. Brady, Chijou Wang, Julie A. Swartz, Su Jung Han
  • SYSTEMS AND METHODS FOR IMPROVED VAPOR DEPOSITION ON COMPLEX GEOMETRY COMPONENTS
    Publication number: 20210123132
    Abstract: An exemplary method of depositing a layer of a material on an interior substrate surface of a complex geometry component includes the steps of providing the complex geometry component having an aperture defining an edge of the interior substrate surface of the complex geometry component, at least a portion of the interior substrate surface defining a first area not visible from the aperture, providing a heating element adjacent to the first area of the complex geometry component, energizing the heating element to raise a surface temperature of the first area and establish a thermal gradient between the first area and an adjacent area, and providing a vapor deposition apparatus configured to deposit the layer of material on the interior substrate surface corresponding to the first area of the complex geometry component.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 29, 2021
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Su Jung Han, Julie A. Swartz, Grant W. Brady
  • Lithium complex oxide
    Patent number: 10991938
    Abstract: The present invention relates to a lithium complex oxide, and more specifically, to a lithium complex oxide of which a range of FWHM(104) values maintains a constant relationship with a molar fraction of nickel when measuring XRD defined by a hexagonal lattice having a R-3m space group. The lithium complex oxide according to the present invention exhibits an effect of improving lifetime properties of the cells including high Ni-based cathode active materials accordingly by enabling a range of the FWHM(104) values at (104) peaks defined b the hexagonal lattice having the R-3m space group to maintain a constant relationship with the molar fraction of nickel, thereby maintaining the primary particles in a predetermined size range.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: April 27, 2021
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jung Han Lee, Moon Ho Choi, Jun Won Suh, Sung Jin Jang, Ji Hyun Nam, Seung Woo Choi
  • BOIL-OFF GAS COMPRESSOR FOR LNG FUELED SHIP
    Publication number: 20210115941
    Abstract: Provided is a boil-off gas compressor for LNG-fueled vessels using LNG as fuel for a propulsion engine thereof. The boil-off gas compressor includes: compressor housings (24a, 24b) in which impellers (30a, 30b) are rotatably arranged; a motor housing (12) in which a motor (14) is disposed to drive the impellers (30a, 30b); and a bearing (18) for rotatably supporting rotation shafts (16a, 16b), which transfer rotation drive force of the motor (14) to the impellers (30a, 30b). The compressor housings (24a, 24b) may be integrally formed with the motor housing (12).
    Type: Application
    Filed: June 24, 2019
    Publication date: April 22, 2021
    Inventor: Jung Han LEE
  • POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20210119205
    Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 22, 2021
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Moon Ho CHOI, Jun Won SUH, Jin Kyeong YUN, Jung Han LEE, Mi Hye YUN, Seung Woo CHOI, Gwang Seok CHOE, Ye Ri JANG, Joong Ho BAE
  • Integrated power electronics component for mitigating noise, vibration, and harshness
    Patent number: 10985629
    Abstract: An integrated power electronics component configured for mitigating noise, vibration, and harshness includes a case formed from metal and configured to dampen a sound wave having a first frequency and a first amplitude and propagatable in a first direction. The case has a first surface and a second surface spaced apart from the first surface, a first stiffness, and a first strength, and the first and second surfaces include a structure defining a plurality of recessions therein. The component includes a cured polymer formed from a composition disposed on at least one of the first and second surfaces in each of the recessions to thereby dampen the sound wave in the first direction and in a second direction that is perpendicular to the first direction to a second frequency that is less than the first frequency and a second amplitude that is less than the first amplitude.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 20, 2021
    Assignee: GM Global Technology Operations LLC
    Inventors: Seongchan Pack, Su Jung Han, Martin S. Kramer, Song He
  • LITHIUM COMPOSITE OXIDE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20210111396
    Abstract: The present invention relates to a lithium composite oxide including a coating layer having a boron-containing oxide and a lithium secondary battery including the same. More particularly, the present invention relates to a lithium composite oxide improved in lifetime and capacity characteristics by inducing a predetermined correlation between the molar ratio of nickel in a lithium composite oxide including a coating layer having a boron-containing oxide and a full width at half-maximum (FWHM; deg., 2?) of a (104) peak among XRD peaks defined by the hexagonal lattice with an R-3m space group, and a lithium secondary battery including the same.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 15, 2021
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Moon Ho CHOI, Jun Won SUH, Jin Kyeong YUN, Jung Han LEE, Mi Hye YUN, Seung Woo CHOI, Gwang Seok CHOE, Joong Ho BAE, Jin-Oh SON
  • Olefin-based copolymer and process for preparing same
    Patent number: 10961335
    Abstract: The present invention relates to an olefin-based copolymer having novel crystalline properties and capable of providing a molded article with further improved strength and impact strength when compounded with other resins, and a method for preparing the same. The olefin-based copolymer is an olefin-based copolymer comprising an ethylene repeating unit and an ?-olefinic repeating unit. The olefin-based copolymer comprises polymer fractions defined by three different peaks at a predetermined temperature when analyzed by cross-fractionation chromatography.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: March 30, 2021
    Inventors: Seul Ki Kim, Eun Jung Lee, Choong Hoon Lee, Ki Won Han, Jae Kwon Jang, Hyo Jung Han, In Sung Park
  • Polypropylene-based resin composition
    Patent number: 10954366
    Abstract: The present invention relates to a polypropylene-based resin composition which exhibits mechanical properties such as excellent strength, etc. and has an improved impact strength, and to a molded article including the same. The olefin-based copolymer includes: a polypropylene-based resin; and an olefin-based copolymer, wherein the olefin-based copolymer includes polymeric fractions defined by three different peaks at a given temperature when analyzed by cross-fractionation chromatography (CFC).
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: March 23, 2021
    Inventors: Seul Ki Kim, Eun Jung Lee, Choong Hoon Lee, Ki Won Han, Jae Kwon Jang, Hyo Jung Han, In Sung Park
  • Laser arrangement and method for producing a laser arrangement
    Patent number: 10958037
    Abstract: It is provided a laser arrangement, having an electro-absorption-modulated laser, having a laser section and an electro-absorption modulator section; a current source for supplying the laser section with current; a DC voltage source that is arranged in addition to the current source and can be used to apply DC voltage to a diode structure of the electro-absorption modulator section; a driver with which an RF signal is able to be fed to the laser; and an electrical connection via which the driver is connected to the laser. The electrical connection provides a direct current connection between the driver and the laser such, and the driver is configured such, that a photocurrent that is generated in the electrode-absorption modulator section of the laser by illumination with light of the laser section at least partially flows to the driver and at least contributes to the energy supply of the driver.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: March 23, 2021
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Jung Han Choi, Heinz-Gunter Bach, Lei Yan
  • PYRIMIDO[4,5-D]PYRIMIDIN-2-ONE DERIVATIVES AS PROTEIN KINASE INHIBITORS
    Publication number: 20210061810
    Abstract: Disclosed are a compound selected from novel pyrimido[4,5-d]pyrimidin-2-one derivative compounds having excellent anti-proliferative activity against cancer cells, pharmaceutically acceptable salts thereof, hydrates thereof and stereoisomers thereof, a method for preparing the compound, a pharmaceutical composition for preventing, alleviating or treating cancer metastasis and proliferative diseases containing the compound as an active ingredient, and an anticancer composition against cancer cells, containing the compound as an active ingredient. The compounds of this invention exhibit most excellent selective inhibitory activity agaist LCK and anti-proliferative activity against cancer cells, thus being useful for inhibiting cancer cells, and for preventing or treating cancer metastasis and proliferative diseases.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 4, 2021
    Inventors: Seo Jung HAN, Tae Bo SIM, Do Hee OH, Jae Eun CHEONG, Dong Keon HWANG
  • HIGH-TEMPERATURE, WEAR-RESISTANT COATING FOR A LINERLESS ENGINE BLOCK
    Publication number: 20210047980
    Abstract: A linerless engine block includes a polymer matrix composite having an internal surface that defines a bore. The polymer matrix composite has a first thermal conductivity at the internal surface of at least 5 W/m·° C. The linerless engine block also includes a first bond coating disposed on the internal surface within the bore, and a second wear-resistant coating disposed on the first bond coating within the bore such that the second wear-resistant coating is adhered to the polymer matrix composite by the first bond coating. A method of forming the linerless engine block is also described.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 18, 2021
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Anthony M. Coppola, Peter P. Andruskiewicz, IV, Bradley A. Newcomb, Su Jung Han, Seongchan Pack
  • Novel Transition Metal Compound and Method for Preparing the Same
    Publication number: 20210032274
    Abstract: A transition metal compound represented by Chemical Formula I and a method for preparing the same, catalyst compositions including the same, and olefin-based polymers prepared from the same are disclosed herein. The transition metal catalyst has excellent structural stability together with excellent catalytic activity and can exhibit excellent copolymerizability even at a high temperature. In an embodiment, an olefin-based polymer prepared using a catalyst composition including the transition metal compound has a density of 0.91 g/cc or less.
    Type: Application
    Filed: July 27, 2018
    Publication date: February 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Young Shil Do, Jin Sam Gong, Eun Jung Lee, Choong Hoon Lee, Seung Hwan Jung, Yoon Hee Cho, Hyo Jung Han
  • Stacking fault-free semipolar and nonpolar GaN grown on foreign substrates by eliminating the nitrogen polar facets during the growth
    Patent number: 10896818
    Abstract: Methods and structures for forming epitaxial layers of Ill-nitride materials on patterned foreign substrates with low stacking fault densities are described. Semipolar and nonpolar orientations of GaN that are essentially free from stacking faults may be grown from crystal-growth facets of a patterned substrate. Etching can be used to remove stacking faults if present. Crystal growth with an impurity can eliminate crystal growth from a facet that is responsible for stacking fault formation and permit substantially stacking-fault-free growth of the Ill-nitride material.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: January 19, 2021
    Assignee: Yale University
    Inventors: Jung Han, Jie Song
  • Semipolar or nonpolar group III-nitride substrates
    Patent number: 10892159
    Abstract: Aspects of the disclosure provide for mechanisms for producing group III-nitride substrates. In accordance with some embodiments, a method for producing a group III-nitride substrate is provided. The method may include: forming, on a growth template, an epitaxial layer of a group III-nitride material comprising a surface with a first crystallographic orientation, wherein the first crystallographic orientation comprises a semipolar orientation or a nonpolar orientation; and separating the epitaxial layer of the group III-nitride material from the growth template to produce the group III-nitride substrate, wherein the growth template comprises a semiconductor layer of the group III-nitride material. The group III-nitride material may include gallium.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: January 12, 2021
    Assignee: Saphlux, Inc.
    Inventors: Jie Song, Jung Han
  • CATALYST COMPLEX FOR FUEL CELL AND METHOD OF MANUFACTURING SAME
    Publication number: 20200411881
    Abstract: Disclosed is a catalyst complex for a fuel cell. The catalyst complex includes a support including carbon (C), platinum (Pt) supported on the support, and an iridium (Ir) compound supported on the support, and the iridium compound includes at least one of iridium oxide represented by Chemical Formula 1, IrOx, and iridium-transition-metal oxide represented by Chemical Formula 2, IrMOx, wherein M is a transition metal selected from the group consisting of Fe, Co, Cu, Ni and combinations thereof, and x is from 1 to 2.
    Type: Application
    Filed: April 7, 2020
    Publication date: December 31, 2020
    Inventors: Jung Han Yu, Bo Ki Hong, Jong Kil Oh, Hyun Joo Lee, Chi Woo Roh
  • Filter and Mask
    Publication number: 20200406071
    Abstract: A filter according to an embodiment include a filter main body provided with a sheet member, and a border portion of the filter main body includes a first region bent at least one time, and a second region formed in a flat shape and provided to be bendable and to provide softness to the filter main body.
    Type: Application
    Filed: March 4, 2019
    Publication date: December 31, 2020
    Inventors: HyoungSun Park, Jung Han Kim, Kyungsik Dan
  • SUPPLY RESERVOIRS WITH ROTARY VALVES
    Publication number: 20200398582
    Abstract: In some examples, an apparatus can include a supply reservoir including print substance, and a rotary valve having a central rotary axis, where the central rotary axis is perpendicular to a height of the supply reservoir, where the rotary valve is in a closed position such that the print substance is unable to be supplied from the supply reservoir.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 24, 2020
    Inventors: Steve A. O'Hara, Kenneth Williams, David Moeller, Howard G. Wong, Ki Jung Han
  • COMPOSITION AND METHOD FOR CULTURING ORGANOIDS
    Publication number: 20200385683
    Abstract: The present invention relates to a composition for culturing organoids and a method for culturing organoids by using the same. Since the present invention includes a compound, which can replace an essential protein component in a conventional medium, consistent stability during organoid culturing can be maintained and culturing can be performed at low cost.
    Type: Application
    Filed: May 29, 2018
    Publication date: December 10, 2020
    Applicant: ORGANOIDSCIENCES, LTD.
    Inventors: Jong-Man YOO, Soo-Jung HAN, Myoung-Ok NAM
  • SEMICONDUCTOR DEVICES
    Publication number: 20200373387
    Abstract: A semiconductor device includes a plurality of active fins defined by an isolation layer on a substrate, a gate structure on the active fins and the isolation layer, and a gate spacer structure covering a sidewall of the gate structure. A sidewall of the gate structure includes first, second, and third regions having first, second, and third slopes, respectively. The second slope increases from a bottom toward a top of the second region. The second slope has a value at the bottom of the second region less than the first slope. The third slope is greater than the second slope.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Jung-Han LEE, Jae-Hwan LEE, Sang-Su KIM, Hwan-Wook CHOI, Tae-Jong LEE, Seung-Mo HA