Patents by Inventor Youn Suk CHOI

Youn Suk CHOI 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: 20180164220
    Abstract: Provided is a device for measuring electrolyte ions that is capable of providing a uniform pH environment in the region of an optode, and a method of measuring electrolyte ion concentration using the device.
    Type: Application
    Filed: February 6, 2018
    Publication date: June 14, 2018
    Inventors: Jin-young Park, Youn-suk Choi, Hye-jung Seo, Jae-yeon Jung, Young-ki Hahn, Hyo-young Jeong, Joon-hyung Lee, Soo-suk Lee
  • Patent number: 9808743
    Abstract: Provided is a filter cleaning apparatus for cleaning a roll-type filter including a cleaning tank with a cavity for accommodating a cleaning solution, and a frame that is separable from the cleaning tank and is provided with a fixed portion for fixing a roll-type filter and a supporting portion for supporting weight of the roll-type filter, wherein the supporting portion includes a plurality of through holes through which the cleaning solution passes, and a plurality of supporting members for partially supporting a lower portion of the roll-type filter.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: November 7, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-hyun Baek, Tae-han Lee, Hyo-young Jeong, Young-ki Hahn, Soo-suk Lee, Youn-suk Choi
  • Patent number: 9261494
    Abstract: A biosensor cartridge includes a plasma separator, a plasma metering chamber, a mixer, and a biosensor.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youn Suk Choi, Hun Joo Lee, Jae Phil Do, Soo Suk Lee, Yeol Ho Lee, Jung Nam Lee, Joon Hyung Lee, Kyung Yeong Han, Sang Kyu Kim
  • Patent number: 9128033
    Abstract: Provided is a multiple SAW sensor system capable of sensing a plurality of target materials in the SAW sensor with a single detector by using a multiplexer. According to the multiple SAW sensor system, the target materials in SAW sensors may be sensed with a single detector, thereby avoiding unnecessary power loss. Also, a plurality of target materials in a sample may be sensed, thereby reducing a waste of the sample.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun Joo Lee, Soo Suk Lee, Yeul ho Lee, Youn Suk Choi
  • Patent number: 9076956
    Abstract: A surface acoustic wave (SAW) array sensor having an input interdigital transducer (IDT); first and second output IDTs that are disposed at both sides of the input IDT, respectively; a first delay line between the input IDT and the first output IDT; and a second delay line between the input IDT and the second output IDT, wherein the first and second delay lines have different lengths; and related devices.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: July 7, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeol-ho Lee, Youn-suk Choi, Tae-han Lee, Soo-suk Lee
  • Publication number: 20150093760
    Abstract: A cartridge for measuring a concentration of a glycated protein in a wide measurement range, a system for measuring a glycated protein, and a method of measuring a glycated protein using same.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 2, 2015
    Inventors: Sang-kyu Kim, Kyung-mi Song, Jin-mi Oh, Youn-suk Choi
  • Publication number: 20150090674
    Abstract: A blood filter apparatus for separating plasma or serum from blood, a cartridge for analyzing blood including the blood filter apparatus, and a method of separating plasma or serum using the blood filter apparatus.
    Type: Application
    Filed: June 10, 2014
    Publication date: April 2, 2015
    Inventors: Tae-han LEE, Sang-hyun Baek, Hyo-young Jeong, Young-Ki Hahn, Soo-suk Lee, Youn-suk Choi
  • Publication number: 20150034134
    Abstract: Provided is a filter cleaning apparatus for cleaning a roll-type filter including a cleaning tank with a cavity for accommodating a cleaning solution, and a frame that is separable from the cleaning tank and is provided with a fixed portion for fixing a roll-type filter and a supporting portion for supporting weight of the roll-type filter, wherein the supporting portion includes a plurality of through holes through which the cleaning solution passes, and a plurality of supporting members for partially supporting a lower portion of the roll-type filter.
    Type: Application
    Filed: February 14, 2014
    Publication date: February 5, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-hyun BAEK, Tae-han LEE, Hyo-young JEONG, Young-ki HAHN, Soo-suk LEE, Youn-suk CHOI
  • Patent number: 8932864
    Abstract: Provided is a method and device for identifying glycated protein in a sample using a matrix including a boronic acid moiety that binds glycated proteins.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: January 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-kyu Kim, Sung-ha Park, Kyung-mi Song, Soo-suk Lee, Youn-suk Choi
  • Patent number: 8889085
    Abstract: A microfluidic channel for effectively removing a gas from a fluid, and microfluidic apparatus including the same are provided. The microfluidic channel includes a first channel having a uniform cross-sectional area, and a second channel connected to the first channel and having a gradually expanded cross-sectional area.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woochang Lee, Jae Yeon Jung, Youn Suk Choi, Young Ki Hahn, Sang Kyu Kim, Soo Suk Lee
  • Publication number: 20140219869
    Abstract: Provided is a support for effectively capturing glycated protein in a sample, and a device and method for measuring the glycated protein by using the support.
    Type: Application
    Filed: February 7, 2014
    Publication date: August 7, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Woochang LEE, Sang-kyu Kim, Kyung-mi Song, Jin-mi Oh, Soo-suk Lee, Youn-suk Choi
  • Publication number: 20140162372
    Abstract: Provided is a device for measuring electrolyte ions that is capable of providing a uniform pH environment in the region of an optode, and a method of measuring electrolyte ion concentration using the device.
    Type: Application
    Filed: November 15, 2013
    Publication date: June 12, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-young PARK, Youn-suk CHOI, Hye-jung SEO, Jae-yeon JUNG, Young-ki HAHN, Hyo-young JEONG, Joon-hyung LEE, Soo-suk LEE
  • Publication number: 20140065714
    Abstract: Provided is a method and device for identifying glycated protein in a sample using a matrix including a boronic acid moiety that binds glycated proteins.
    Type: Application
    Filed: March 18, 2013
    Publication date: March 6, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-kyu KIM, Sung-ha PARK, Kyung-mi SONG, Soo-suk LEE, Youn-suk CHOI
  • Patent number: 8624465
    Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Phil Do, Sang Kyu Kim, Jae Young Kim, Woo Chang Lee, Jae Yeon Jung, Soo Suk Lee, Youn Suk Choi
  • Publication number: 20140001918
    Abstract: A surface acoustic wave (SAW) array sensor having an input interdigital transducer (IDT); first and second output IDTs that are disposed at both sides of the input IDT, respectively; a first delay line between the input IDT and the first output IDT; and a second delay line between the input IDT and the second output IDT, wherein the first and second delay lines have different lengths; and related devices.
    Type: Application
    Filed: January 16, 2013
    Publication date: January 2, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeol-ho LEE, Youn-suk CHOI, Tae-han LEE, Soo-suk LEE
  • Publication number: 20130344618
    Abstract: A biosensor and method for detecting a target material using an agglomeration of magnetic nanoparticles are provided.
    Type: Application
    Filed: February 8, 2012
    Publication date: December 26, 2013
    Applicants: POSTECH ACADEMY INDUSTRY FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye Jung SEO, Sang Min JEON, Soo Suk LEE, Youn Suk CHOI, Jung Nam LEE, Joon Hyung LEE, Kyung Yeon HAN, Dong Kyu LEE, Jin Young PARK
  • Publication number: 20130156644
    Abstract: Embodiments of the disclosure describe a structure for mounting a biosensor in a microfluidic cartridge including a biosensor holder, a gasket seal, a strut, and a leaf spring using a method for maintaining constant pressure and a microfluidic cartridge including the same. The structure allows pressure to be evenly distributed to the biosensor in order to secure reproducibility and reliability of the detection signal, and enables integrated configuration of the cartridge by using a minimum amount of space.
    Type: Application
    Filed: September 7, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woochang LEE, Youn Suk CHOI, Yeol ho LEE, Young Ki HAHN, Soo Suk LEE
  • Publication number: 20130139599
    Abstract: This disclosure describes an apparatus for sensing a target using a sinc function, a surface acoustic wave (SAW) sensor system including the same, and a method of measuring a target using a sinc function. The apparatus for measuring a target using the sinc function may measure an output signal from a SAW sensor with high precision and reliability.
    Type: Application
    Filed: August 9, 2012
    Publication date: June 6, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeol ho LEE, Youn Suk CHOI, Soo Suk LEE, Woo Chang LEE
  • Publication number: 20130115632
    Abstract: A highly sensitive method of assaying an analyte present in a sample using protamine is provided, as well as an immunoassay reagent and biosensor that reduces non-specific binding by electrostatic interaction of protamine with fibrinogen present in the sample.
    Type: Application
    Filed: April 24, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyung LEE, Soo Suk LEE, Youn Suk CHOI, Jin Young PARK, Hye Jung SEO, Jung Nam LEE, Kyung Yeon HAN
  • Publication number: 20130009517
    Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.
    Type: Application
    Filed: November 2, 2011
    Publication date: January 10, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jae Phil DO, Sang Kyu KIM, Jae Young KIM, Woo Chang LEE, Jae Yeon JUNG, Soo Suk LEE, Youn Suk CHOI