Patents by Inventor Duk-Jin Oh

Duk-Jin 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).

  • Publication number: 20210068433
    Abstract: The present application relates to a fermented soybean composition and a method for preparing a fermented soybean composition.
    Type: Application
    Filed: December 10, 2018
    Publication date: March 11, 2021
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Ha Na CHO, Sun A CHO, Duk Jin KIM, Hye Won SHIN, Dae Seong YOON, Seon Mi OH
  • Publication number: 20210066945
    Abstract: A method and apparatus for charging a battery that estimates an aging mode of the battery that reflects an aging factor and an aging degree of the battery based on a battery characteristic corresponding to a charging level of the battery, updates a battery model based on the aging mode, and charges the battery using the updated battery model.
    Type: Application
    Filed: April 8, 2020
    Publication date: March 4, 2021
    Applicants: Samsung Electronics Co., Ltd., Samsung SDI Co., Ltd.
    Inventors: Daeryong JUNG, Duk Jin OH, Jinho KIM
  • Publication number: 20210057921
    Abstract: A battery charging method and apparatus are provided. A setting value of charging control information is determined based on an overpotential value and a voltage value of a battery and is applied in the charging control information, and a voltage applied to charge the battery is controlled based on the charging control information that applies the setting value.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 25, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ju Wan LIM, YoungJae KIM, Duk Jin OH, Young Hun SUNG
  • Publication number: 20210053450
    Abstract: A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.
    Type: Application
    Filed: November 5, 2020
    Publication date: February 25, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Duk Jin OH, Young Hun SUNG, Ju Wan LIM, Daeryong JUNG
  • Publication number: 20210050679
    Abstract: The present disclosure relates to a connection structure for connecting a power cable and a conductor lead-out rod to minimize electrical resistance of a contact surface, and conductor connection device of a power cable.
    Type: Application
    Filed: January 9, 2019
    Publication date: February 18, 2021
    Inventors: Duk Kyu LEE, Dong Yun OH, Jung Jin LEE
  • Publication number: 20200403417
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.
    Type: Application
    Filed: September 2, 2020
    Publication date: December 24, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
  • Patent number: 10857895
    Abstract: A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Duk Jin Oh, Young Hun Sung, Ju Wan Lim, Daeryong Jung
  • Patent number: 10862325
    Abstract: A battery charging method and apparatus are provided. A setting value of charging control information is determined based on an overpotential value and a voltage value of a battery and is applied in the charging control information, and a voltage applied to charge the battery is controlled based on the charging control information that applies the setting value.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju Wan Lim, YoungJae Kim, Duk Jin Oh, Young Hun Sung
  • Publication number: 20200335993
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Jinho KIM, Myung Hoon KIM, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
  • Patent number: 10797501
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeryong Jung, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
  • Patent number: 10720786
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeryong Jung, Jinho Kim, Myung Hoon Kim, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
  • Publication number: 20200124679
    Abstract: A battery charging method includes: charging a battery based on a charging profile; and in response to a charging termination event occurring, terminating the charging of the battery, wherein the charging profile is determined using weight information derived based on battery characteristic information and a basic charging profile.
    Type: Application
    Filed: April 2, 2019
    Publication date: April 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju Wan LIM, Duk Jin OH, Daeryong JUNG
  • Publication number: 20200103469
    Abstract: Disclosed is a charging method and apparatus which is optimized based on an electrochemical model, the charging method includes estimating an internal state of a battery, determining a charging limitation condition corresponding to a plurality of charging areas based on the internal state, and charging the battery based on the charging limitation condition.
    Type: Application
    Filed: February 14, 2019
    Publication date: April 2, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeryong JUNG, Duk Jin OH, Ju Wan LIM
  • Patent number: 10587139
    Abstract: A method and apparatus for controlling a battery, the apparatus configured to measure a current usage of a battery, generate a concentration limitation condition on a material in an active material of the battery based on a characteristic of the active battery, and control a usage of the battery based on the current usage and the concentration limitation condition.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 10, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Duk Jin Oh, Tae Won Song, Jinho Kim, Ju Wan Lim
  • Patent number: 10444292
    Abstract: A battery management apparatus and method to estimate a state of a battery is provided. The battery management apparatus includes a processor configured to collect battery information, to estimate a residual capacity of a battery at an operating temperature based on the collected battery information, to convert the estimated residual capacity of the battery into a capacity of the battery at a reference temperature, and to estimate a state of health (SOH) of the battery based on the converted capacity.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Do Park, Duk Jin Oh, Kae Weon You
  • Publication number: 20190202299
    Abstract: A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 4, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Duk Jin OH, Young Hun SUNG, Ju Wan LIM, Daeryong JUNG
  • Publication number: 20190195956
    Abstract: A battery monitoring method includes identifying a state of charge (SOC) of a battery, obtaining a voltage of the battery with respect to the SOC, in response to the identified SOC being included in a diagnosis section, and determining a state of health (SOH) of the battery based on the obtained voltage of the battery.
    Type: Application
    Filed: May 16, 2018
    Publication date: June 27, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju Wan LIM, Duk Jin OH, Young Hun SUNG
  • Publication number: 20190190277
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
  • Publication number: 20190181650
    Abstract: A battery charging method and apparatus are provided. A setting value of charging control information is determined based on an overpotential value and a voltage value of a battery and is applied in the charging control information, and a voltage applied to charge the battery is controlled based on the charging control information that applies the setting value.
    Type: Application
    Filed: April 20, 2018
    Publication date: June 13, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ju Wan LIM, YoungJae KIM, Duk Jin OH, Young Hun SUNG
  • Publication number: 20190123574
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Jinho KIM, Myung Hoon KIM, Young Hun SUNG, Duk Jin OH, Ju Wan LIM