Patents by Inventor Young-In Cha

Young-In Cha 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: 20200096573
    Abstract: Provided are a battery management system and method for optimizing an internal resistance of a battery. The battery management system includes: a current measurement unit configured to measure a discharging current of the battery; a memory configured to store a plurality of voltage-current characteristic profiles; and a control unit operatively connected to the current measurement unit and the memory and configured to determine a reference profile from the plurality of voltage-current characteristic profiles based on a state of charge and a temperature of the battery. The reference profile includes a start point, an end point, and a plurality of intermediate points positioned between the start point and the end point.
    Type: Application
    Filed: September 5, 2018
    Publication date: March 26, 2020
    Applicant: LG CHEM, LTD.
    Inventor: Sun-Young CHA
  • Publication number: 20200088805
    Abstract: A battery management system for optimizing the internal resistance of a battery includes a current measuring unit that measures a charge current of the battery, a memory that stores a plurality of voltage-current characteristic profiles, and a control unit that determines a reference profile from the plurality of voltage-current characteristic profiles based on a state of charge and temperature of the battery. The reference profile includes a start point, an end point, and a plurality of intermediate points disposed between the start point and the end point. The control unit determines an internal resistance of the battery, sets one of the plurality of intermediate points as a reference point, determines a reference resistance based on the reference point and the end point, and determines an optimal resistance based on the charge current, the internal resistance, the reference resistance and a predetermined upper limit of charge current.
    Type: Application
    Filed: November 15, 2018
    Publication date: March 19, 2020
    Applicant: LG CHEM, LTD.
    Inventor: Sun-Young CHA
  • Publication number: 20200084724
    Abstract: An electronic device is provided. The electronic device includes a first communication circuit, a second communication circuit, a processor configured to be electrically connected with the first communication circuit and the second communication circuit, and a memory configured to be electrically connected with the processor. The memory includes instructions, when executed by the processor, cause the processor to obtain location information of the electronic device, transmit a first message for requesting to change a state of the electronic device to a network, receive a first response message to the transmitted first message from the network, transmit a second message for requesting a parameter for an operation cycle of the second communication circuit to the network, receive a second response message to the second message from the network, and change the operation cycle of the second communication circuit to a value corresponding to a current state of the electronic device.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 12, 2020
    Inventors: Ji Young CHA, Hye Jeong KIM, Jung Hoon AHN
  • Publication number: 20200062775
    Abstract: The present invention relates to a compound inhibiting the activity of an IRAK4 kinase, a pharmaceutical composition thereof, a use thereof in preparing drugs, a method in which same is used for inhibiting the activity of the IRAK4 kinase and a method in which same is used for treating and/or preventing IRAK4 kinase mediated diseases or conditions in mammals (particularly humans). The compound has a structural formula I.
    Type: Application
    Filed: August 13, 2015
    Publication date: February 27, 2020
    Applicant: BEIJING HANMI PHARMACEUTICAL CO., LTD.
    Inventors: Baoyu Xue, Runa Zheng, Mi Young Cha, Maengsup Kim
  • Patent number: 10562902
    Abstract: Disclosed are a compound related to inhibiting the activity of an IRAK4 kinase, a pharmaceutical composition thereof, a use thereof in preparing drugs, a method in which same is used for inhibiting the activity of the IRAK4 kinase and a method in which same is used for treating and/or preventing IRAK4 kinase mediated diseases or conditions in mammals (especially humans). The compound has a structural formula I.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: February 18, 2020
    Assignee: Beijing Hanmi Pharmaceutical Co., Ltd.
    Inventors: Jiangcheng Xu, Qinguan Cai, Mi Young Cha, Maengsup Kim
  • Publication number: 20200049678
    Abstract: A jig for pressing a gas analysis monocell according to the present invention comprises: a first plate and a second plate which face each other with a monocell therebetween; a first auxiliary pad positioned between the first plate and the monocell; and a second auxiliary pad positioned between the second plate and the monocell, wherein the first plate and the second plate are formed of a thermosetting resin. When analyzing a gas generated from the monocell during a primary charge, the jig for pressing the monocell according to the present invention presses the thin monocell to prevent a gap from forming between electrodes due to the primary charge, and thus has an effect of deriving more reliable analysis results.
    Type: Application
    Filed: November 14, 2018
    Publication date: February 13, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ju Kyung SHIN, Joon Sung BAE, Gyu Ok HWANG, In Young CHA
  • Patent number: 10492146
    Abstract: An electronic device is provided. The electronic device includes a first communication circuit, a second communication circuit, a processor configured to be electrically connected with the first communication circuit and the second communication circuit, and a memory configured to be electrically connected with the processor. The memory includes instructions, when executed by the processor, cause the processor to obtain location information of the electronic device, transmit a first message for requesting to change a state of the electronic device to a network, receive a first response message to the transmitted first message from the network, transmit a second message for requesting a parameter for an operation cycle of the second communication circuit to the network, receive a second response message to the second message from the network, and change the operation cycle of the second communication circuit to a value corresponding to a current state of the electronic device.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Young Cha, Hye Jeong Kim, Jung Hoon Ahn
  • Patent number: 10408886
    Abstract: Disclosed is an apparatus for estimating a state of charge (SOC) of a secondary battery which includes (i) a cathode comprising a blended cathode material having a first cathode material and a second cathode material, wherein the first and second cathode materials have different operating voltage ranges; (ii) an anode comprising an anode material; and (iii) a separator for separating the cathode from the anode. The apparatus includes a sensor configured to measure a dynamic voltage of the secondary battery during charging of the secondary battery, and a control unit configured to identify a dynamic voltage profile of the secondary battery as a transition region voltage pattern, calculate a parameter of the transition region voltage pattern, and estimate a SOC of the secondary battery from the calculated parameter by using a predetermined relationship between the parameter and the SOC.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Won-Tae Joe, Sun-Young Cha
  • Publication number: 20190257890
    Abstract: Disclosed is a battery management apparatus and method. The battery management apparatus according to an embodiment of the present disclosure may be configured to, when the voltage of a battery being discharged is equal to or lower than a preset discharge threshold voltage, predict the time left for a lower limit of discharge voltage preset lower than the discharge threshold voltage from the current time, and maintain or adjust the output parameter of the battery based on the predicted remaining time.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 22, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sun-Young CHA, Won-Tae JOE
  • Patent number: 10340714
    Abstract: The present disclosure discloses a system and method of adjusting an output parameter of a secondary battery. The system according to the present disclosure determines a voltage, a current, and a temperature of the secondary battery, determines a state of charge of the secondary battery using the current, determines a deration target current value calculated from a maximum value of a predefined resistance change rate, which corresponds to the state of charge and the temperature, and an output maintaining time, when the voltage of the secondary battery decreases to a preset threshold voltage or lower, and provides an output parameter including at least one of the deration target current value and a deration target output value determined therefrom to a control system of a load device supplied with power from the secondary battery.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: July 2, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sun-Young Cha, Won-Tae Joe
  • Patent number: 10322108
    Abstract: Disclosed are a compound, a stereisomer and a tautomer thereof, a pharmaceutically acceptable salt thereof, and a solvate or a prodrug thereof, which can be used for preventing or treating a ROR? mediated disease. The compound has the structural formula (I).
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: June 18, 2019
    Assignee: Beijing Hanmi Pharmaceutical Co., Ltd.
    Inventors: Hai Xue, Tao Zhao, Mi Young Cha, Maengsup Kim
  • Publication number: 20190178951
    Abstract: Disclosed is an apparatus and method for managing a battery. The battery management apparatus according to an embodiment of the present disclosure includes a memory unit and a control unit. The memory unit is configured to store a plurality of discharge curve models including a first discharge curve model associated with a first state of charge value, and in this instance, the first discharge curve model defines a change in voltage of a battery having the first state of charge value over time under a first discharge condition. The control unit is connected to the memory unit, allowing communication with the memory unit, and is configured to call the first discharge curve model stored in the memory unit.
    Type: Application
    Filed: December 19, 2017
    Publication date: June 13, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Sun-Young CHA, Won-Tae JOE
  • Patent number: 10312382
    Abstract: Disclosed is a quenching circuit including an avalanche photodiode and a quenching diode applying a bias voltage to the avalanche photodiode. Since the quenching circuit includes the quenching diode instead of a quenching resistor, the avalanche photodiode can quickly recover to linear mode from Geiger mode, and the bias voltage applied to the avalanche photodiode is stably maintained even though a current level of the avalanche photodiode fluctuates according to the intensity of incident light.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: June 4, 2019
    Assignee: Hongik University Industry-Academia Cooperation Foundation
    Inventors: Ho Young Cha, Jongik Kang
  • Publication number: 20190161572
    Abstract: Disclosed is a polyoxymethylene resin composition that includes a filler in an amount of about 5 to 30 wt %, a formaldehyde reducing agent in an amount of about 0.01 to 1 wt %, and a polyoxymethylene resin constituting the remaining balance of the polyoxymethylene resin composition, all the wt % based on the total weight of the polyoxymethylene resin composition. In particular, per 1 g of the polyoxymethylene resin may include an amount of 30 to 40 ?mol of formate at terminal ends of the polyoxymethylene resin.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 30, 2019
    Inventors: Joon Yong Song, Shin Tae Bae, KieYoun Jeong, Soon Young Cha, Hong Won Chae, Hyeon Cheol Kim
  • Publication number: 20190157896
    Abstract: A battery management, including a voltage measuring unit electrically connected to multiple lithium iron phosphate (LFP) cells in an LFP battery, the LFP cells being connected in series, to individually measure voltage of each LFP cell and output a voltage value indicative of the measured voltage, and a control unit configured to output a first signal requesting the start of a charging process of the LFP, and when at least one of the voltage values of the multiple LFP cells outputted from the voltage measuring unit reaches a threshold voltage value while the charging process is performed by the first signal, output a second signal requesting the stop of the charging process and output a third signal requesting the start of a discharging process.
    Type: Application
    Filed: December 4, 2017
    Publication date: May 23, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Sun-Young CHA, Won-Tae JOE
  • Patent number: 10294207
    Abstract: Provided is pyrazole derivatives as a TNIK (Traf2- and NCK-interacting kinase), IKK? (I-kappa-B kinase epsilon) and TBK1 (TANK-binding kinase 1) inhibitor; the pyrazole derivative according to the present invention effectively inhibits TNIK, IKK? and TBK1, and thus is useful not only as an anticancer agent for the treatment of various cancers including colorectal cancer, breast cancer, CNS cancer, colon cancer, non-small cell lung cancer, kidney cancer, prostate cancer, ovarian cancer, uterus cancer, stomach cancer, liver cancer, skin cancer, lung cancer, brain cancer, bladder cancer, esophageal cancer, pancreatic cancer, thyroid cancer, head and neck cancer, squamous cell carcinoma, osteosarcoma, B-cell or T-cell lymphoma, acute or chronic leukemia and multiple myeloma, but as a therapeutic agent for chronic inflammation.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: May 21, 2019
    Assignee: GREEN CROSS CORPORATION
    Inventors: Soongyu Choi, Kisoo Park, Hee Jeong Seo, Eun-Jung Park, Younggyu Kong, Ickhwan Son, Sang-ho Ma, Kwang-Seop Song, Min Ju Kim, So Ok Park, Man-Young Cha, Mi-Soon Kim, Sang Mi Kang, Dong Hyuk Jang, Jangwon Hong
  • Patent number: 10283819
    Abstract: Disclosed is a battery system for a secondary battery including a blended cathode material, and an apparatus and method for managing a secondary battery having a blended cathode material. The blended cathode material includes at least a first cathode material and a second cathode material. The first and second cathode materials have different operating voltage ranges. When the secondary battery comes to an idle state or a no-load state, the battery system detects a voltage relaxation occurring by the transfer of operating ions between the first and second cathode materials.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: May 7, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Won-Tae Joe, Geun-Chang Chung, Sun-Young Cha
  • Patent number: 10273242
    Abstract: The present invention relates to a compound inhibiting the activities of Bruton's tyrosine kinase (BTK) and/or Janus kinase 3 (JAK3), a pharmaceutical composition of the compound, pharmaceutical applications of same, a method for using the compound in inhibiting the activities of BTK and/or JAK3, and a method for using the compound in treatment and/or prevention of BTK- and/or JAK3-mediated diseases or disorders in mammals (especially human). The compound is as represented by structural formula (I).
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 30, 2019
    Assignee: BEIJING HANMI PHARMACEUTICAL CO., LTD.
    Inventors: Jinming Liu, Mi Young Cha, Gong Li, Zhanmei Li, Hongjuan Qiu, Maengsup Kim
  • Publication number: 20190123394
    Abstract: Disclosed is a battery management apparatus and method for calibrating the state of charge (SOC) of a lithium iron phosphate (LFP) battery. The battery management apparatus according to an embodiment of the present disclosure calculates, when going into calibration mode, an average voltage value of voltage values received from a voltage measuring unit for a predefined time, calculates an average current value of current values received from a current measuring unit for the predefined time, calculates an average internal resistance value of the LFP battery for the predefined time based on the average voltage value and the average current value, determines if the average internal resistance value is equal to or larger than a preset reference resistance value, and when the average internal resistance value is equal to or larger than the reference resistance value, calibrates the current SOC to a preset reference SOC.
    Type: Application
    Filed: December 1, 2017
    Publication date: April 25, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Sun-Young CHA, Won-Tae JOE
  • Publication number: 20190098579
    Abstract: An electronic device is provided. The electronic device includes a first communication circuit, a second communication circuit, a processor configured to be electrically connected with the first communication circuit and the second communication circuit, and a memory configured to be electrically connected with the processor. The memory includes instructions, when executed by the processor, cause the processor to obtain location information of the electronic device, transmit a first message for requesting to change a state of the electronic device to a network, receive a first response message to the transmitted first message from the network, transmit a second message for requesting a parameter for an operation cycle of the second communication circuit to the network, receive a second response message to the second message from the network, and change the operation cycle of the second communication circuit to a value corresponding to a current state of the electronic device.
    Type: Application
    Filed: September 18, 2018
    Publication date: March 28, 2019
    Inventors: Ji Young CHA, Hye Jeong KIM, Jung Hoon AHN