Patents by Inventor Ri Ju

Ri Ju 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: 12163157
    Abstract: A method for preparing chondrocyte pellets including: (a) culturing human induced pluripotent stem cells so as to form and obtain embryoid bodies; (b) inducing the embryonic bodies obtained in step (a) to become outgrowth cells and isolating same; and (c) culturing the outgrowth cells isolated in step (b) in a pellet form. A pharmaceutical composition including the chondrocyte pellets prepared by the preparation method; or a method for preventing or treating arthritis, including administering the chondrocyte pellets prepared by the method to an arthritis patient. Chondrocyte pellets of the present invention have a remarkably high rate of differentiation into chondrocytes, uniform size, and a homogeneous differentiation degree, and a pharmaceutical composition, including the pellets, has excellent cartilage regeneration effects at the site of cartilage damage, and is in injectable form, which does not require surgery, such that pain is relieved and a continuous arthritis treatment is provided.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: December 10, 2024
    Assignee: YiPCELL Inc.
    Inventors: Ji Hyeon Ju, Yoo Jun Nam, Ye Ri Rim
  • Publication number: 20240353602
    Abstract: Provided are a polarizing plate and an optical display device comprising the same, the polarizing plate comprising: a polarizer; a protective film laminated on the top surface of the polarizer; and a retardation film laminated on the bottom surface of the polarizer. The retardation film comprises a first retardation layer, and a second retardation layer which is a coating layer formed on one surface of the first retardation layer. The protective film has a total haze of 19% or more and an internal haze of 7% or more at a wavelength of 550 nm to 555 nm, and the polarizer has a polarization angle of 99.5% or more.
    Type: Application
    Filed: August 1, 2022
    Publication date: October 24, 2024
    Inventors: Il Woong BAEK, Yeon Ju JUNG, Yoon Jung KIM, Sung Man CHO, Ri Ra JUNG, Han Mam JEONG
  • Patent number: 9577469
    Abstract: A battery pack includes first and second terminals, a battery unit electrically connected between the first and second terminals, the battery unit being configured to receive charging power, and being configured to output discharging power, and a power converter electrically coupled between the first terminal and the battery unit, the power converter being configured to convert the charging power to have a charging voltage corresponding to the battery unit, wherein the first and second terminals are configured to be electrically coupled to a generator and a starter motor.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Ri-A Ju
  • Patent number: 9543555
    Abstract: A battery module including a plurality of unit cells, a plurality of bus bars electrically connecting the plurality of unit cells, a positive electrode terminal and a negative electrode terminal that are electrically connected and in contact with two ends of the plurality of unit cells, a battery housing accommodating the plurality of unit cells and the bus bars, and detection terminals that are respectively electrically connected to the plurality of bus bars, wherein the detection terminals are exposed outside the battery housing. Accordingly, voltage balancing between the unit cells may be controlled without disassembling the battery module.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: January 10, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Joon Park, Ri-A Ju, Suk-Kyum Kim, Hyun Kim, Ji-Hong Lim
  • Patent number: 9350186
    Abstract: A battery pack includes a battery for supplying power to a starter motor of a vehicle, and a battery management unit for monitoring a condition of the battery, and for blocking the supply of power from the battery to the starter motor when a stability condition requirement for the battery is not satisfied.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: May 24, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ri-A Ju, Hyun Kim, Ji-Hong Lim, Suk-Kyum Kim, Seong-Joon Park
  • Patent number: 9350189
    Abstract: A battery pack for starting an engine having an idle stop & go (ISG) system in which the engine is repeatedly stopped and restarted to conserve fuel. This battery pack includes: a rechargeable battery; a first ISG current control unit having a variable resistor electrically connected to the rechargeable battery; and a battery management system (BMS) electrically connected to the rechargeable battery and the first ISG current control unit, said BMS sets a resistance value of the variable resistor according to a current mode of the ISG system.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: May 24, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Kim, Ri-A Ju, Ji-Hong Lim, Suk-Kyum Kim, Seung-Joon Park
  • Patent number: 9306408
    Abstract: A battery pack for starting an engine having an idle stop & go (ISG) system in which the engine is repeatedly stopped and restarted to conserve fuel. This battery pack includes: a rechargeable battery; a first ISG current control unit having a variable resistor electrically connected to the rechargeable battery; and a battery management system (BMS) electrically connected to the rechargeable battery and the first ISG current control unit, said BMS sets a resistance value of the variable resistor according to a current mode of the ISG system.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: April 5, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Kim, Ri-A Ju, Ji-Hong Lim, Suk-Kyum Kim, Seung-Joon Park
  • Patent number: 9263908
    Abstract: A battery pack includes a rechargeable battery module and a battery management system for controlling charging and/or discharging of the battery module. The battery module may include a substantially linear charging and discharging voltage-time profile within at least part of the charging and discharging cycle of the battery module, and the battery management system may be configured to calculate a state of charge of the battery module by using linear charging and/or discharging characteristics of the battery module.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ri-A Ju, Hyun Kim, Suk-Kyum Kim, Seung-Min Kim
  • Patent number: 9263900
    Abstract: A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ri-A Ju, Hyun Kim, Suk-Kyum Kim, Seok-Gyun Woo
  • Patent number: 9190861
    Abstract: One embodiment of the present invention relates to a battery pack and a method of controlling the battery pack, and more particularly, to a battery pack receiving a charging current from a power generation module and a method of controlling the battery pack. In the battery pack, when an output voltage of the power generation module is higher than a rated voltage of a main battery and a rated voltage of a sub-battery is higher than the rated voltage of the main battery, an energy loss may be reduced.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: November 17, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Kim, Ri-A Ju, Ji-Hong Lim, Suk-Kyum Kim, Seong-Joon Park
  • Patent number: 9150106
    Abstract: A vehicle operating system and a method of controlling the vehicle operating system, the vehicle operating system including an electric power generation module that is configured to generate electric power; a battery, the battery being chargeable by using the electric power generated by the electric power generation module; a battery management system that controls the chargeable battery; and a cooler that is configured to cool the battery, wherein the battery management system is configured to cut off the electric power supplied to the battery when the battery is fully charged, and when the battery management system cuts off the electric power supplied to the battery, the cooler is configured to consume the electric power generated by the electric power generation module.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong-Joon Park, Ri-A Ju
  • Patent number: 9112202
    Abstract: A battery module includes a first unit cell arranged parallel to a second unit cell and a spacer arranged between the first and second unit cell. Each of the first and second unit cells includes a first electrode terminal and a second electrode terminal having a polarity opposite to that of the first electrode terminal. The spacer includes a main body and a first wall portion extending upward from the main body, and the first wall portion is disposed at and between the first electrode terminal of the first unit cell and the second electrode terminal of the second unit cell. The first electrode terminal of the first unit cell is juxtaposed to the second electrode terminal of the second unit cell.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: August 18, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Joon Park, Ri-A Ju
  • Publication number: 20130341923
    Abstract: A battery pack includes a rechargeable battery module and a battery management system for controlling charging and/or discharging of the battery module. The battery module may include a substantially linear charging and discharging voltage-time profile within at least part of the charging and discharging cycle of the battery module, and the battery management system may be configured to calculate a state of charge of the battery module by using linear charging and/or discharging characteristics of the battery module.
    Type: Application
    Filed: March 14, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Ri-A JU, Hyun KIM, Suk-Kyum KIM, Seung-Min KIM
  • Publication number: 20130249488
    Abstract: A battery pack and a method of charging the battery pack are disclosed. The method for charging includes monitoring a state of charge of a battery pack, determining a need for charging the battery pack based on the monitored state of charge of the batter and triggering charging of the battery pack by sending a signal indicative of the need for charging the battery pack based on the determined need for charging the battery pack.
    Type: Application
    Filed: February 20, 2013
    Publication date: September 26, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Ri-A Ju, Hyun Kim, Suk-Kyum Kim, Seong-Joon Park, Young-Il Kim
  • Publication number: 20130249496
    Abstract: A battery pack includes a battery for supplying power to a starter motor of a vehicle, and a battery management unit for monitoring a condition of the battery, and for blocking the supply of power from the battery to the starter motor when a stability condition requirement for the battery is not satisfied.
    Type: Application
    Filed: January 23, 2013
    Publication date: September 26, 2013
    Applicant: SAMSUNG SDI CO. LTD.
    Inventors: Ri-A Ju, Hyun Kim, Ji-Hong Lim, Suk-Kyum Kim, Seong-Joon Park
  • Publication number: 20130249277
    Abstract: A vehicle operating system and a method of controlling the vehicle operating system, the vehicle operating system including an electric power generation module that is configured to generate electric power; a battery, the battery being chargeable by using the electric power generated by the electric power generation module; a battery management system that controls the chargeable battery; and a cooler that is configured to cool the battery, wherein the battery management system is configured to cut off the electric power supplied to the battery when the battery is fully charged, and when the battery management system cuts off the electric power supplied to the battery, the cooler is configured to consume the electric power generated by the electric power generation module.
    Type: Application
    Filed: September 13, 2012
    Publication date: September 26, 2013
    Inventors: Seong-Joon PARK, Ri-A JU
  • Publication number: 20130249219
    Abstract: One embodiment of the present invention relates to a battery pack and a method of controlling the battery pack, and more particularly, to a battery pack receiving a charging current from a power generation module and a method of controlling the battery pack. In the battery pack, when an output voltage of the power generation module is higher than a rated voltage of a main battery and a rated voltage of a sub-battery is higher than the rated voltage of the main battery, an energy loss may be reduced.
    Type: Application
    Filed: January 18, 2013
    Publication date: September 26, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Hyun Kim, Ri-A Ju, Ji-Hong Lim, Suk-Kyum Kim, Seong-Joon Park
  • Publication number: 20130249494
    Abstract: A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 26, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Ri-A Ju, Hyun Kim, Suk-Kyum Kim, Seok-Gyun Woo
  • Publication number: 20130249493
    Abstract: An electrical system, such as for use in a vehicle is disclosed. The system includes a battery cell that is receives a charge current from a power generation module in order to be charged, and a diode between the power generation module and the battery cell, which allows the charge current to flow therethrough. The system also includes a control unit that adjusts the charge current according to a temperature of the diode.
    Type: Application
    Filed: September 13, 2012
    Publication date: September 26, 2013
    Applicant: Samsung SDI Co., Ltd
    Inventors: Hyun Kim, Ri-A Ju, Ji-Hong Lim, Suk-Kyum Kim, Seong-Joon Park
  • Publication number: 20130252047
    Abstract: A battery module including a plurality of unit cells, a plurality of bus bars electrically connecting the plurality of unit cells, a positive electrode terminal and a negative electrode terminal that are electrically connected and in contact with two ends of the plurality of unit cells, a battery housing accommodating the plurality of unit cells and the bus bars, and detection terminals that are respectively electrically connected to the plurality of bus bars, wherein the detection terminals are exposed outside the battery housing. Accordingly, voltage balancing between the unit cells may be controlled without disassembling the battery module.
    Type: Application
    Filed: August 23, 2012
    Publication date: September 26, 2013
    Applicant: Samsung SDl Co., Ltd.
    Inventors: Seong-Joon Park, Ri-A Ju, Suk-Kyum Kim, Hyun Kim, Ji-Hong Lim