Patents by Inventor Seung In OH

Seung In OH 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: 9774254
    Abstract: Provided is a converter system including: a plurality of converter modules connected to one power source in parallel; and a controller for storing mapping information of first parameters corresponding to processing power of the converter modules and second parameters corresponding to the number of converter modules that optimally process the processing power among the converter modules, configuring a value of the first parameter according to a measurement value of power input into the converter modules or power output from the converter modules, calculating a value of the second parameter by substituting the value of the first parameter into the mapping information, selecting the number of converter modules corresponding to the value of the second parameters as active converter modules from the converter modules and processing the processing power by using the active converter modules, and controlling output power of the active converter module to gradually increase or decrease in a transient state where the
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 26, 2017
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Su Yong Chae, Yu Jin Song, Sea Seung Oh, Yoon Dong Sung, Jin Ju Park
  • Patent number: 9722246
    Abstract: Disclosed is a method of preparing inorganic particles using a hydrothermal synthesis device, including introducing a precursor liquid or slurry stream including a reaction precursor for preparation of an inorganic material into a hydrothermal synthesis reactor, introducing a supercritical liquid stream including water into the hydrothermal synthesis reactor, preparing an inorganic slurry by hydrothermal reaction in the hydrothermal synthesis reactor and discharging the inorganic slurry therefrom, and filtering the discharged inorganic slurry, wherein the precursor liquid or slurry stream includes an NH3 source at a high temperature of the supercritical liquid stream and thus clogging of the stream in the hydrothermal synthesis reactor is inhibited by pH changes in the hydrothermal reaction.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: August 1, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kuk Noh, Hong Kyu Park, Ji Hoon Ryu, Wang Mo Jung, Sang Seung Oh, Chi Ho Jo
  • Patent number: 9711823
    Abstract: An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: July 18, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Byoung-Bae Lee, Jae-Seung Oh, Ji-Won Park, Shin-Jung Choi, Jae-Duk Park, Dong-Su Kim, Hyo-Jin Lee
  • Publication number: 20170184999
    Abstract: A development cartridge attachable to and detachable from a main body of an image forming apparatus includes a photosensitive unit including a photosensitive drum, a developing unit including a developing roller and rotatably coupled to the photosensitive unit with respect to a hinge axis, a driving gear configured to rotate in a first direction for a printing operation or a second direction opposite the first direction, a driving member positioned coaxially with the driving gear and configured to be rotated by the driving gear, a first one-way clutch configured to connect the driving member with the driving gear only when the driving gear rotates in the second direction, and a first moving member configured to be connected to the driving member so as to reciprocate between a first location where a development nip is formed and a second location where the development nip is released.
    Type: Application
    Filed: November 28, 2016
    Publication date: June 29, 2017
    Applicant: S-PRINTING SOLUTION CO., LTD.
    Inventors: Tae-il JUNG, Sung-dae KIM, Tae-hee KIM, Pil-seung OH
  • Patent number: 9637017
    Abstract: The present disclosure provides a charging system including: at least two charging devices including at least two output units configured to supply connected automobiles with charging power, a first bus electrically connected to the output units and configured to transfer charging power to the output units, and a power processing unit configured to process power, which is supplied from a power source, using a first capacity and supply the first bus with the processed power; and a second bus configured to connect a first bus of a first charging device and a first bus of a second charging device, wherein, when a total capacity of charging power supplied to automobiles connected to the first charging device exceeds the first capacity, a part or all of lacking capacity is supplied via the second bus.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: May 2, 2017
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Yoon Dong Sung, Su Bin Han, Sea Seung Oh, Su Yong Chae, Gyu Duk Kim, Seung Weon Yu, Yujin Song, ILoun Lee, Sukin Park
  • Publication number: 20160369444
    Abstract: A washing machine includes a plurality of suspension units through which a tub is supported by a cabinet, and a stabilizer unit mounted to the tub. When horizontal vibration displacement of the tub occurs by unbalance mass during washing/dehydration processes, the washing machine limits tub displacement according to the attenuation effect caused by torsional force and bending force of the stabilizer unit, resulting in reduction of excessive vibration.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 22, 2016
    Inventors: Seung Oh Kim, Young Myung Son, Marenne Pierre, Ji Hoon Choi
  • Patent number: 9478827
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are provided. The non-aqueous electrolyte solution includes an organic solvent, an ionizable lithium salt, a dinitrile compound including an ether bond represented by Chemical Formula 1, and an aliphatic dinitrile compound represented by Chemical Formula 2. The lithium secondary battery including the non-aqueous electrolyte solution having the possibility of generating a swelling phenomenon while storing or charging/discharging at a high temperature may be restrained. In addition, a cycle life of the charging/discharging may be improved.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: October 25, 2016
    Assignee: LG Chem, Ltd.
    Inventors: You Jin Shim, Jae Seung Oh, Yeon Suk Hong, Byoung Bae Lee, Hyo Jin Lee
  • Patent number: 9462927
    Abstract: Disclosed herein are a nozzle assembly for a dishwasher capable of evenly spraying wash water in a wash tub and a dishwasher having the same. The dishwasher includes a sump to pump wash water, a supply pipe to which the wash water from the sump is supplied, and a nozzle assembly connected to the supply pipe. The nozzle assembly includes a lower rotor arm connected to the supply pipe, an upper rotor arm having a portion rotatably received in the lower rotor arm and having a first rotation center of an upper end thereof and a second rotation center of a lower end thereof positioned eccentrically from the first rotation center, and a nozzle rotatably connected to the upper rotor arm.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Wook Lee, Hyung Kwen Ham, Seung Oh Kim, Jung Yoon Hahm, Seung Gee Hong, Jea Won Lee
  • Publication number: 20160260979
    Abstract: Disclosed are a cathode active material for lithium secondary batteries including lithium-containing metal oxide particles; a first surface treatment layer formed on the surfaces of the lithium-containing metal oxide particles and including at least one compound selected from the group consisting of fluorine-doped metal oxides and fluorine-doped metal hydroxides; and a second surface treatment layer formed on a surface of the first surface treatment layer and including a fluorine copolymer, and a method of manufacturing the same.
    Type: Application
    Filed: November 7, 2014
    Publication date: September 8, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Byung Chun Park, Wang Mo Jung, Sang Seung Oh, Sungbin Park, Ji Hye Kim
  • Patent number: 9428853
    Abstract: A washing machine having an improved structure which increases washing capacity without increasing the size of the washing machine. The washing machine includes a cabinet including an outer part and a cylindrical inner part connected to the outer part, a spin basket rotatably disposed in the inner part and including a bottom and a side wall extending from the bottom, a pulsator rotatably disposed in the spin basket, a motor provided under the spin basket, a clutch to selectively transmit power of the motor to the spin basket or the pulsator, a base plate to fix the clutch and the motor, and suspension members connecting the base plate to the upper portion of the cabinet. Wash water is stored within the spin basket and is not stored outside the spin basket during a washing cycle.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Mook Kim, Doo Pil Kim, Je Hong Min, Kalo Jin Jun, Yong Jong Park, Jae Ryong Park, Dong Pil Seo, Sang Hyeok Lee, In Cheol Jang, Sang Yeon Pyo, Jung Hee Lee, Ji Hoon Choi, Seung Oh Kim
  • Patent number: 9394242
    Abstract: Disclosed is a method for preparing a dinitrile compound. The method includes reacting an alcohol compound with a nitrile compound having a terminal carbon-carbon unsaturated bond under anhydrous conditions. A potassium alkoxide having 1 to 5 carbon atoms is used as a catalyst in the course of the reaction. According to the method, a high-purity dinitrile compound can be prepared in a simple manner within a short reaction time indicating high productivity.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: July 19, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Byoung-Bae Lee, Jae-Seung Oh, You-Jin Shim, Yeon-Suk Hong
  • Publication number: 20160190643
    Abstract: The present disclosure provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an amide compound having a specific structure; an ionizable lithium salt; a cyclic sulfate; and an organic solvent, and a lithium secondary battery comprising the non-aqueous electrolyte solution. The non-aqueous electrolyte solution of the present disclosure has good thermal and chemical stability and can be effectively used as the electrolyte of a lithium secondary battery to provide good charge/discharge performances and stability at a high temperature.
    Type: Application
    Filed: October 27, 2014
    Publication date: June 30, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Dong-Su Kim, Jae-Seung Oh, Jung-Bae Park, Byoung-Bae Lee, Yeon-Suk Hong, Hyo-Jin Lee, You-Jin Shim
  • Patent number: 9354548
    Abstract: A power transmitting apparatus includes a shaft, first and second passive members mounted on the shaft to be rotatable, and a driving member that is mounted on the shaft and rotates in connection with a driving source, and that according to a rotation direction, slides toward the first and second passive members along the shaft, so as to selectively establish a power connection with the first and second passive members.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil-seung Oh, Tae-il Jung, Sung-dae Kim, Soo-yong Kim
  • Publication number: 20160145789
    Abstract: The present invention relates to a washing machine which includes a cylindrical part having a cylindrical shape and at least one balancer installed in the cylindrical part. The balancer includes a first balancer housing provided with a race in an annular shape with an open top and a second balancer housing to be coupled with the first balancer housing to cover the open top of the race. The balancer is installed in the cylindrical part in such a way that a coupling portion of the first balancer housing and the second balancer housing corresponding to an inner circumferential surface of the cylindrical part is covered by the cylindrical part, thereby reinforcing a strength of the balancer by the cylindrical part.
    Type: Application
    Filed: June 27, 2014
    Publication date: May 26, 2016
    Inventors: Sung Jong KIM, Min Sung KIM, Jeong Hoon KANG, Seung Oh KIM, Yee Lee WONG
  • Patent number: 9328358
    Abstract: Disclosed is a method of producing 2,3-butanediol using a recombinant yeast having a 2,3-butanediol biosynthesis pathway controlled in a metabolic engineering manner. The method enables production of 2,3-butanediol at high production efficiency from glucose or xylose using a recombinant yeast wherein enzymatic activity of pyruvate decarboxylase is inhibited and exotic genes associated with 2,3-butanediol biosynthesis are introduced.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: May 3, 2016
    Assignee: SNU R&DB Foundation
    Inventors: Jin Ho Seo, Soo Jung Kim, Seung Oh Seo
  • Patent number: 9287559
    Abstract: A lithium secondary battery comprising a positive electrode, a negative electrode, a separator inserted between the positive electrode and the negative electrode and a non-aqueous electrolyte is provided. The positive electrode comprises a first positive electrode active material represented by following Chemical Formula 1. And the non-aqueous electrolyte comprises a first lithium salt, a second lithium salt represented by following Chemical Formula 2 and a non-aqueous organic solvent. LixMyOz??[Chemical Formula 1] Li+RCOO???[Chemical Formula 2] (In Chemical Formulae 1 and 2, M=NiaMnbCoc, in which 0<a<2, 0<b<2, 0<c<2, a+b+c=1 or 2, 0.5?x?1.3, 1<x+y?3.3, 2?z?4, and R is independently a C1-C10 alkyl group, a C6-C12 aryl group, a C2-C5 alkenyl group, a halogen substituted C1-C10 alkyl group, a halogen substituted C6-C12 aryl group or a halogen substituted C2-C5 alkenyl group).
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: March 15, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Suk Hong, Jae Seung Oh, Hyo Jin Lee, Byoung Bae Lee, You Jin Shim
  • Publication number: 20160070199
    Abstract: A power transmitting apparatus includes a shaft, first and second passive members mounted on the shaft to be rotatable, and a driving member that is mounted on the shaft and rotates in connection with a driving source, and that according to a rotation direction, slides toward the first and second passive members along the shaft, so as to selectively establish a power connection with the first and second passive members.
    Type: Application
    Filed: August 19, 2015
    Publication date: March 10, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil-seung OH, Tae-il JUNG, Sung-dae KIM, Soo-yong KIM
  • Publication number: 20160010257
    Abstract: A washing machine includes: a tub configured to accommodate wash water therein; a rotary tub rotatably mounted in the tub; a pulsator rotatably arranged below the rotary tub, configured to form a water current; a motor configured to provide driving power to the pulsator; and a floater configured to ascend or descend in response to a water level of the wash water in such a manner that the pulsator and the rotary tub interact with each other or the interaction therebetween is released. The pulsator includes a reinforcement rib protruding from a bottom surface of the pulsator to reinforce stiffness. The floater is connected to the reinforcement rib in a manner that the floater ascends or descends along the reinforcement rib. The washing machine can alternatively transmit the driving power of the motor only to the pulsator or to the pulsator and the rotary tub.
    Type: Application
    Filed: July 9, 2015
    Publication date: January 14, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Oh KIM, Young Myung SON, Ji Hoon CHOI
  • Publication number: 20150364982
    Abstract: Provided is a converter system including: a plurality of converter modules connected to one power source in parallel; and a controller for storing mapping information of first parameters corresponding to processing power of the converter modules and second parameters corresponding to the number of converter modules that optimally process the processing power among the converter modules, configuring a value of the first parameter according to a measurement value of power input into the converter modules or power output from the converter modules, calculating a value of the second parameter by substituting the value of the first parameter into the mapping information, selecting the number of converter modules corresponding to the value of the second parameters as active converter modules from the converter modules and processing the processing power by using the active converter modules, and controlling output power of the active converter module to gradually increase or decrease in a transient state where the
    Type: Application
    Filed: October 28, 2014
    Publication date: December 17, 2015
    Inventors: Su Yong CHAE, Yu Jin SONG, Sea Seung OH, Yoon Dong SUNG, Jin Ju PARK
  • Publication number: 20150318548
    Abstract: Disclosed is a method of preparing inorganic particles using a hydrothermal synthesis device, including introducing a precursor liquid or slurry stream including a reaction precursor for preparation of an inorganic material into a hydrothermal synthesis reactor, introducing a supercritical liquid stream including water into the hydrothermal synthesis reactor, preparing an inorganic slurry by hydrothermal reaction in the hydrothermal synthesis reactor and discharging the inorganic slurry therefrom, and filtering the discharged inorganic slurry, wherein the precursor liquid or slurry stream includes an NH3 source at a high temperature of the supercritical liquid stream and thus clogging of the stream in the hydrothermal synthesis reactor is inhibited by pH changes in the hydrothermal reaction.
    Type: Application
    Filed: November 26, 2013
    Publication date: November 5, 2015
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Kuk Noh, Hong Kyu Park, Ji Hoon Ryu, Wang Mo Jung, Sang Seung Oh, Chi Ho Jo