Patents by Inventor Joo Song

Joo Song 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: 10889522
    Abstract: Disclosed are a wollastonite crystallized glass for an artificial tooth and a method for coloring same, the method enabling a production of a uniform shade without degrading the physical properties of a crystallized glass by means of simply adding a small amount of coloring additive powder when preparing the crystallized glass.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: January 12, 2021
    Assignee: SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Jae-Chul Bang, Si-Won Sung, Young-Joo Song, Seung-Bum Park
  • Patent number: 10808992
    Abstract: A gas sensor includes a plurality of detectors discolored by reacting with different predetermined target gases, such that the gas sensor independently measures the amount of each target gas. A refrigerator for deciding a type and state of target food contained in a container by sensing a color change of a gas sensor mounted to the container including the target food, and a method for controlling the gas sensor are disclosed. The gas sensor for detecting a plurality of target gases includes a base and a plurality of detectors provided at the base. The detectors respectively detect different target gases, and each detector is discolored by reacting with each predetermined target gas.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang Pyo Park, Youn Joo Song, Yong Won Jeong, Hyun Joo Jung
  • Patent number: 10807474
    Abstract: Disclosed is a driving circuit for an electric vehicle having a battery pack and an inverter, and a control method thereof. The driving circuit includes a first contactor connected between a first terminal of the battery pack and a first terminal of a capacitor included in the inverter, a second contactor and a current limiting circuit connected to the first contactor in parallel, and a control unit configured to control operations of the first contactor and the second contactor. The second contactor and the current limiting circuit are connected to each other in series. The current limiting circuit includes at least one resistor, wherein the control unit outputs a first control signal when the first contactor is normally operating and outputs a second control signal when the first contactor is abnormally operating. The first control signal induces the first contactor to turn on, and the second control signal induces the second contactor to turn on.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: October 20, 2020
    Assignee: LG CHEM, LTD.
    Inventor: Jeong-Joo Song
  • Patent number: 10752117
    Abstract: Disclosed is a driving circuit for an electric vehicle having a battery pack and an inverter, and a control method thereof. The driving circuit includes a first contactor connected between a first terminal of the battery pack and a first terminal of a capacitor included in the inverter, a second contactor and a current limiting circuit connected to the first contactor in parallel, and a control unit configured to control operations of the first contactor and the second contactor. The second contactor and the current limiting circuit are connected to each other in series. The current limiting circuit includes at least one resistor, wherein the control unit outputs a first control signal when the first contactor is normally operating and outputs a second control signal when the first contactor is abnormally operating. The first control signal induces the first contactor to turn on, and the second control signal induces the second contactor to turn on.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: August 25, 2020
    Assignee: LG CHEM, LTD.
    Inventor: Jeong-Joo Song
  • Patent number: 10739408
    Abstract: Provided is a diagnostic apparatus for a power system. The power system comprises a battery assembly and at least one contactor. Each of the at least one contactor is configured to selectively close or open a power supply path between the battery assembly and a load. The diagnostic apparatus is configured to execute one of a first diagnostic function of determining a current leakage of the battery assembly and a second diagnostic function of determining a short circuit of the at least one contactor while the other one is being executed.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: August 11, 2020
    Assignee: LG CHEM, LTD.
    Inventor: Jeong-Joo Song
  • Publication number: 20200217893
    Abstract: Disclosed is an apparatus and method for diagnosing a short circuit accident occurring at a positive electrode contactor of a battery pack. This apparatus diagnoses a positive electrode contactor of a battery pack, which includes a positive electrode contactor provided on a charge-discharge path connected to a positive electrode terminal and a negative electrode contactor provided on a charge-discharge path connected to a negative electrode terminal.
    Type: Application
    Filed: December 11, 2018
    Publication date: July 9, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Jeong-Joo Song
  • Publication number: 20200199261
    Abstract: Provided is an oxime ester phenylcarbazole compound useful as a photoinitiator for photocrosslinking. Specifically, the carbon atom forming a double bond with the nitrogen atom in the oxime ester moiety of the oxime ester phenylcarbazole compound is bonded to the phenylcarbazole group and is directly bonded to a (C1-C20)alkyl or (C6-C20)aryl group. Also provided is a photopolymerizable composition including the oxime ester phenylcarbazole compound. The oxime ester phenylcarbazole compound and the photopolymerizable composition have improved solubilities, are highly photosensitive, and exhibit excellent physical properties in terms of residual film ratio, pattern stability, resist adhesiveness. Due to these advantages, the oxime ester phenylcarbazole compound and the photopolymerizable composition are suitable for use in black resists, color resists, overcoats, column spacers, and organic insulating films of LCDs.
    Type: Application
    Filed: July 5, 2017
    Publication date: June 25, 2020
    Applicants: Korea Research Institute of Chemical Technology, TAKOMA TECHNOLOGY CO., LTD.
    Inventors: Chang Jin LEE, Jae Min LEE, Shahid AMEEN, Song Yun CHO, Sung Cheol YOON, Young Cheul LEE, Mi Sun RYU, Bok Joo SONG, Keun Soo KIM, So Youn NAM
  • Publication number: 20200162370
    Abstract: A method for operating a service function chain in a networking function virtualization device includes: a step a of generating at least one service function chain providing at least one virtual network function, and defining traffic to which the service function chain is applied; a step b of setting an NIC to allocate SR-IOV for the start and end of the service function chain applied to first traffic; and a step c of setting a software switch to apply a flow rule for leading the first traffic to provide the intermediate step of the service function chain to the first traffic.
    Type: Application
    Filed: November 6, 2019
    Publication date: May 21, 2020
    Inventor: Yong Joo SONG
  • Publication number: 20200151135
    Abstract: A data transmission circuit includes a data bus inversion encoding circuit configured to compare previous output data and current output data, invert or non-invert the current output data to control the number of data transitions; and transmitters configured to drive signal transmission lines based on outputs of the data bus inversion encoding circuit.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Applicant: SK hynix Inc.
    Inventors: Hae Kang JUNG, Hong Joo SONG
  • Patent number: 10641601
    Abstract: Disclosed herein is a simultaneous orthogonal scanning dual beam OCT system. The simultaneous orthogonal scanning dual beam OCT system includes: a light source 10; a light distribution unit 20; a sample arm 40; a reference arm 50; a interference unit 60; and a detection unit 70.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: May 5, 2020
    Assignee: Korea University Research and Business Foundation
    Inventors: Beop-Min Kim, Hyung-Jin Kim, Byeong-Joo Song
  • Publication number: 20200116898
    Abstract: A reflectionless window is disclosed. The reflectionless window comprises: a transparent window; a plurality of first nanocolumns arranged on a first surface of the transparent window; and a plurality of second nanocolumns having a height smaller than that of the first nanocolumns, the plurality of second nanocolumns being arranged on at least one surface selected from the upper surface of the plurality of first nanocolumns and a side surface thereof and being arranged in an area on the first surface of the transparent window in which the plurality of first nanocolumns are not arranged.
    Type: Application
    Filed: December 21, 2017
    Publication date: April 16, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-jae OH, Chul-ho CHO, Kwang-bok KIM, Seong-je CHO, Youn-joo SONG, Hyoung-seon CHOI
  • Publication number: 20200116791
    Abstract: An apparatus and method for diagnosing a short circuit accident occurring at a negative electrode contactor of a battery pack. This apparatus diagnoses a negative electrode contactor of a battery pack, which includes a positive electrode contactor provided on a charge-discharge path connected to a positive electrode terminal and a negative electrode contactor provided on a charge-discharge path connected to a negative electrode terminal.
    Type: Application
    Filed: December 11, 2018
    Publication date: April 16, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Jeong-Joo Song
  • Publication number: 20200109487
    Abstract: Disclosed herein is a method for 2D epitaxial growth comprising: forming a single crystalline h-BN template; forming a plurality of nuclei by depositing a heterogeneous precursor on the h-BN template; and forming a heterogeneous structure layer by growing the plurality of deposited nuclei with a van der Waals epitaxial growth, wherein the heterogeneous structure layer is a single crystal.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 9, 2020
    Inventors: Soo Min KIM, Joo Song LEE, Hayoung KO, Hye Young KOO
  • Patent number: 10613050
    Abstract: A bio sensor a method of sensing for the bio sensor are provided. The bio sensor includes an electrode array. The electrode array includes an enzyme electrode for measuring a target material, a power driver for providing a voltage to the electrode array, and a processor for controlling the power driver to alternately provide a negative voltage and a positive voltage to the electrode array, and for controlling the power driver to provide a measurement voltage for measuring the target material to the electrode array after the alternating voltage is provided.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: April 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-joo Song, Seong-je Cho, Kwang-bok Kim, Young-jae Oh, Jae-geol Cho, Hyoung-seon Choi
  • Publication number: 20200105364
    Abstract: In embodiments of the invention, the invention provides a method for distinguishing between lymphoma types based on gene expression measurements. In embodiments, the invention distinguishes between PMBCL and DLBCL based on gene expression signatures, and can further distinguish between DLBCL subtypes. In embodiments of the invention, the distinctions are used in methods of treatment.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 2, 2020
    Applicants: The United States of America,as represented by the Secretary,Department of Health and Human Services, British Columbia Cancer Agency Branch, Mayo Foundation for Medical Education and Research, Julius-Maximilians-University of Würzburg, Board of Regents of the University of Nebraska, Oslo University Hospital HF, Hospital Clinic de Barcelona, Universitat de Barcelona, Institut D? Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Robert Bosch Gesellschaft fuer medizinische Forschung mbH, Oregon Health & Science University, City of Hope, The Cleveland Clinic Foundation
    Inventors: Louis M. Staudt, Christian Steidl, Anja Mottok, George W. Wright, David William Scott, Lisa M. Rimsza, Andreas Rosenwald, Randy Gascoyne, Timothy Greiner, Dennis Weisenburger, Erlend B. Smeland, Jan Delabie, Elias Campo Guerri, German Ott, Rita Braziel, Elaine S. Jaffe, Kai Fu, Wing C. Chan, Joo Song, James R. Cook
  • Patent number: 10572431
    Abstract: A data transmission circuit includes a data bus inversion encoding circuit configured to compare previous output data and current output data, invert or non-invert the current output data to control the number of data transitions; and transmitters configured to drive signal transmission lines based on outputs of the data bus inversion encoding circuit.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: February 25, 2020
    Assignee: SK hynix Inc.
    Inventors: Hae Kang Jung, Hong Joo Song
  • Patent number: 10529411
    Abstract: A buffer circuit may include first amplifier coupled to a first common node. The buffer circuit may include a second amplifier coupled to the first common node. The voltage level of the first common node may be changed according to a clock signal.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: January 7, 2020
    Assignee: SK hynix Inc.
    Inventor: Hong Joo Song
  • Publication number: 20190390896
    Abstract: A gas sensor includes a plurality of detectors discolored by reacting with different predetermined target gases, such that the gas sensor independently measures the amount of each target gas. A refrigerator for deciding a type and state of target food contained in a container by sensing a color change of a gas sensor mounted to the container including the target food, and a method for controlling the gas sensor are disclosed. The gas sensor for detecting a plurality of target gases includes a base and a plurality of detectors provided at the base. The detectors respectively detect different target gases, and each detector is discolored by reacting with each predetermined target gas.
    Type: Application
    Filed: August 6, 2019
    Publication date: December 26, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang Pyo PARK, Youn Joo SONG, Yong Won JEONG, Hyun Joo JUNG
  • Patent number: 10467973
    Abstract: A buffer amplifier circuit includes a buffer amplifier including a first differential amplifier having a first active load and a second differential amplifier having a second active load and a feedback circuit configured to feed an output signal of an output terminal of the buffer amplifier back to one of the first and second active loads using differential switch signals and an input signal of the buffer amplifier to enhance a slew rate of the output signal.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: November 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju Hyun Ko, Yong Joo Song, Jun Ho Song
  • Patent number: D867422
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: November 19, 2019
    Assignee: TWOEYES TECH, INC.
    Inventor: Hun Joo Song