Patents by Inventor Sung-Kwon Jung

Sung-Kwon Jung 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: 8715588
    Abstract: A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: May 6, 2014
    Assignee: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Suny J. George, Andrew J. Dosmann, Karen L. Marfurt
  • Publication number: 20130343963
    Abstract: A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample.
    Type: Application
    Filed: August 26, 2013
    Publication date: December 26, 2013
    Applicant: Bayer HealthCare, LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Suny J. George, Andrew J. Dosmann, Karen L. Marfurt
  • Publication number: 20130334066
    Abstract: A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the ?0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay.
    Type: Application
    Filed: May 29, 2013
    Publication date: December 19, 2013
    Inventors: Huan-Ping Wu, Steven C. Charlton, Amy H. Chu, Andrew J. Edelbrock, Sung-Kwon Jung, Dijia Huang
  • Publication number: 20130270123
    Abstract: Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 17, 2013
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Dija Huang
  • Patent number: 8551418
    Abstract: A system for analyzing the concentration of an analyte in a fluid sample comprises a test strip and a meter. The test strip is capable of being inoculated by the fluid sample. The test strip includes a test element, which contains at least one reagent adapted to cause a reaction when brought into contact with the analyte. The meter includes a read-head, a repositioning device, and a display. The read-head is capable of producing a signal indicative of the reaction between the analyte and the at least one reagent. The display is capable of displaying the analyte concentration. The repositioning device is adapted to move the test strip from a loading position to a testing position. The testing position positions the test element proximate to the read-head.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: October 8, 2013
    Assignee: Bayer HealthCare, LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton
  • Patent number: 8545768
    Abstract: A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: October 1, 2013
    Assignee: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Suny J. George, Andrew J. Dosmann, Karen L. Marfurt
  • Patent number: 8531605
    Abstract: An apparatus and method for providing an output setting in a portable terminal includes an external output setting unit and a controller. If a connection with an external device is determined, the external output setting unit determines an output format supported by the external device. The controller automatically changes system setting suitably to the determined output format of the external device.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: September 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sung-Kwon Jung
  • Publication number: 20130177993
    Abstract: An optic light guide test sensor comprises a light guide, a reagent-coated membrane, and a mesh layer. The reagent-coated membrane and the mesh layer are attached to the light guide at an output end of the light guide. The light guide test sensor is adapted to be used to test the level of an analyte in a biological fluid sample when used with a readhead. A method of manufacturing the light guide test sensor involves providing a plurality of light guides, providing a strip of reagent-coated membrane, and providing a strip of mesh layer. The reagent-coated membrane and mesh layer are attached to the light guides by ultrasonic welding. The reagent-coated membrane and mesh layer may also be attached to the light guides by adhesive.
    Type: Application
    Filed: January 22, 2013
    Publication date: July 11, 2013
    Inventors: Jeffery S. Reynolds, Steven C. Charlton, Sung-Kwon Jung, Suny J. George
  • Patent number: 8470604
    Abstract: A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the ?0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: June 25, 2013
    Assignee: Bayer HealthCare LLC
    Inventors: Huan-Ping Wu, Steven C. Charlton, Amy H. Chu, Andrew J. Edelbrock, Sung-Kwon Jung, Dijia Huang
  • Patent number: 8454806
    Abstract: Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: June 4, 2013
    Assignee: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Dijia Huang
  • Publication number: 20130081958
    Abstract: A composition of redox-reagent containing metal-containing complex and thionine or its derivative as electron transfer mediator for use in an electrochemical biosensor, and a biosensor containing the same are provided. With the increase in reaction rate between redox enzyme-thionine (or its derivative)-metal-containing complex in the composition of redox-reagent containing metal-containing complex and thionine or its derivative, glucose detection efficiency markedly increases, and the composition is hardly influenced from high humidity and interfering substances. Accordingly, the composition of redox-reagent is useful in fabricating an electrochemical biosensor for detecting glucose in blood.
    Type: Application
    Filed: September 25, 2012
    Publication date: April 4, 2013
    Applicant: I-SENS, INC.
    Inventors: Sung-kwon Jung, Moon Hwan Kim, Myeong-Ho Lee, Ung-Ki Lee, Yeon-Ho Jung, Han-Be Park, Hakhyun Nam, Geun Sig Cha
  • Patent number: 8383414
    Abstract: An optic light guide test sensor comprises a light guide, a reagent-coated membrane, and a mesh layer. The reagent-coated membrane and the mesh layer are attached to the light guide at an output end of the light guide. The light guide test sensor is adapted to be used to test the level of an analyte in a biological fluid sample when used with a readhead. A method of manufacturing the light guide test sensor involves providing a plurality of light guides, providing a strip of reagent-coated membrane, and providing a strip of mesh layer. The reagent-coated membrane and mesh layer are attached to the light guides by ultrasonic welding. The reagent-coated membrane and mesh layer may also be attached to the light guides by adhesive.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: February 26, 2013
    Assignee: Bayer HealthCare LLC
    Inventors: Jeffery S. Reynolds, Steven C. Charlton, Sung-Kwon Jung, Suny J. George
  • Publication number: 20120189497
    Abstract: A system for analyzing the concentration of an analyte in a fluid sample comprises a test strip and a meter. The test strip is capable of being inoculated by the fluid sample. The test strip includes a test element, which contains at least one reagent adapted to cause a reaction when brought into contact with the analyte. The meter includes a read-head, a repositioning device, and a display. The read-head is capable of producing a signal indicative of the reaction between the analyte and the at least one reagent. The display is capable of displaying the analyte concentration. The repositioning device is adapted to move the test strip from a loading position to a testing position. The testing position positions the test element proximate to the read-head.
    Type: Application
    Filed: April 4, 2012
    Publication date: July 26, 2012
    Applicant: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton
  • Patent number: 8202488
    Abstract: A system for analyzing the concentration of an analyte in a fluid sample comprises a test strip and a meter. The test strip is capable of being inoculated by the fluid sample. The test strip includes a test element, which contains at least one reagent adapted to cause a reaction when brought into contact with the analyte. The meter includes a read-head, a repositioning device, and a display. The read-head is capable of producing a signal indicative of the reaction between the analyte and the at least one reagent. The display being capable of displaying the analyte concentration. The repositioning device is adapted to move the test strip from a loading position to a testing position. The testing position positions the test element proximate to the read-head.
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: June 19, 2012
    Assignee: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton
  • Publication number: 20120031776
    Abstract: A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the ?0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay.
    Type: Application
    Filed: August 16, 2011
    Publication date: February 9, 2012
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Huan-Ping Wu, Steven C. Charlton, Amy H. Chu, Andrew J. Edelbrock, Sung-Kwon Jung, Dijia Huang
  • Publication number: 20110297554
    Abstract: A biosensor system determines analyte concentration from an output signal generated from a light-identifiable species or a redox reaction of the analyte. The biosensor system adjusts a correlation for determining analyte concentrations from output signals or determined analyte concentrations with one or more complex index function extracted from the output signals or from other sources. The complex index functions determine at least one slope deviation value, ?S, or normalized slope deviation from one or more error parameters. The slope-adjusted correlation between analyte concentrations and output signals may be used to determine analyte concentrations having improved accuracy and/or precision from output signals including components attributable to bias.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 8, 2011
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Huan-Ping Wu, Sung-Kwon Jung
  • Patent number: 8026104
    Abstract: A biosensor system determines an analyte concentration of a biological sample using an electrochemical process without Cottrell decay. The biosensor system generates an output signal having a transient decay, where the output signal is not inversely proportional to the square root of the time. The transient decay is greater or less than the ?0.5 decay constant of a Cottrell decay. The transient decay may result from a relatively short incubation period, relatively small sample reservoir volumes, relatively small distances between electrode surfaces and the lid of the sensor strip, and/or relatively short excitations in relation to the average initial thickness of the reagent layer. The biosensor system determines the analyte concentration from the output signal having a transient decay.
    Type: Grant
    Filed: October 21, 2007
    Date of Patent: September 27, 2011
    Assignee: Bayer HealthCare LLC
    Inventors: Huan-Ping Wu, Steven C. Charlton, Amy H. Chu, Andrew J. Edelbrock, Sung-Kwon Jung, Dijia Huang
  • Publication number: 20100329951
    Abstract: A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 30, 2010
    Applicant: Bayer HealthCare, LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Suny J. George, Andrew J. Dosmann, Karen L. Marfurt
  • Publication number: 20100271544
    Abstract: An apparatus and method for providing an output setting in a portable terminal includes an external output setting unit and a controller. If a connection with an external device is determined, the external output setting unit determines an output format supported by the external device. The controller automatically changes system setting suitably to the determined output format of the external device.
    Type: Application
    Filed: April 21, 2010
    Publication date: October 28, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sung-Kwon JUNG
  • Publication number: 20100267161
    Abstract: Biosensor systems including a measurement device and test sensors including at least three independently addressable electrodes, with at least two of the electrodes being substantially chemically isolated are disclosed. One or more working electrodes may be combined with two or more counter electrodes. The two or more counter electrodes may operate at different potentials to provide for multi-analyte electrochemical analysis. Analysis methods are provided to perform multi-analyte electrochemical analysis and test sensors are provided having resistance to chemical mixing between secondary analysis regions.
    Type: Application
    Filed: March 22, 2010
    Publication date: October 21, 2010
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Huan-Ping Wu, Weiping Zhong, Joseph E. Perry, Eric Maurer, Sung-Kwon Jung