Patents Assigned to Research Cooperation Foundation of Yeungnam University
  • Patent number: 9762163
    Abstract: Provides a method for controlling an AC motor, including: receiving a torque command value; generating a command current based on the torque command, and a command voltage by using the generated command current in a current vector controller (CVC) current control mode; switching to a hexagon voltage manipulating controller (HVMC) voltage control mode when the command voltage enters a voltage limit area, and generating a command voltage in the HVMC voltage control mode; and controlling torque of an AC motor by using the command voltage that is generated in the CVC current control mode or the HVMC voltage control mode.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: September 12, 2017
    Assignee: Research Cooperation Foundation of Yeungnam University
    Inventors: Jul Ki Seok, Se Hwan Kim
  • Patent number: 9722523
    Abstract: The present invention relates to an inverter vector driving system and a method for estimating capacitance using the same. The present invention provides a method for estimating capacitance in an inverter vector driving system including a capacitor to which a rectified DC voltage of a three-phase power supply is charged, and a PWM inverter configured to transform the DC voltage into a three-phase AC voltage to be applied to a motor of an induction motor, including: operating the motor of the IM in a regeneration mode; generating a d-axis voltage command and a q-axis voltage command for the motor; adjusting a pulse of the PWM inverter by using the d-axis voltage command and the q-axis voltage command; and estimating capacitance of the capacitor by using a DC-link voltage and a DC-link current that are generated at the capacitor due to the inclusion of the AC component.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: August 1, 2017
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Dong-Choon Lee, Thanh Hai Nguyen, Yoon-Cheul Jeung
  • Patent number: 9629950
    Abstract: An exterior cap of transfer set for peritoneal dialysis, including: a cylindrical cap unit to which the end connector of the peritoneal transfer set is coupled; a guide unit that is coupled to the cap unit, extends to the peritoneal transfer set to provide an expanding internal space, and guides the end connector of the peritoneal transfer set into the cap unit; and a coupling-separating unit that combines the cap unit and the guide unit with each other and separates the cap unit and the guide unit in accordance with selection of a user.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: April 25, 2017
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jong Won Park, Sang Ho Ahn, Joon Ha Lee, Il Gwon Jung
  • Publication number: 20170053750
    Abstract: Provided is a three-dimensional composite of nickel cobalt oxide/graphene on nickel foam as high-performance electrode materials for supercapacitors and a method for preparing the same, and the electrode comprising a three-dimensional nickel cobalt oxide/graphene on nickel foam exhibited an ultrahigh specific capacitance of 2,260 F/g at a current density of 1 A/g.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 23, 2017
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jae-Jin SHIM, Van Hoa Nguyen
  • Publication number: 20170020141
    Abstract: The present invention relates to a peptide having a fungicidal activity, isolated from Lactobacillus plantarum YML007, and provides a fungicidal peptide comprising the amino acid sequence of SEQ ID NO: 1. In addition, the present invention provides a fungicidal composition or a composition for food preservation, containing the peptide as an active ingredient. The peptide of the present invention has a wide range of fungicidal activities, and thus can be applied, by using the same, to various fields such as a microbial preparation related to fungicidal activity, an agent for controlling pathogenic fungi, a preservative for food including feed, and the future development of medical supplies related to fungi.
    Type: Application
    Filed: April 29, 2014
    Publication date: January 26, 2017
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Yong Ha PARK, Irfan Ahmad RATHER, Byoung Joo SEO, Uk Han CHOI, Kwang Ho CHOI
  • Publication number: 20160354352
    Abstract: Provided is a method of treating inflammatory bowel disease comprising administering a pharmaceutical composition comprising a 6-aminopyridin-3-ol compound or a pharmaceutically acceptable salt thereof as an active ingredient to a subject, which inhibits colitis in a model of inflammatory bowel disease, and accordingly, they may be suitable for use as a drug for the prevention or treatment of inflammatory bowel disease.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Applicant: Research Cooperation Foundation of Yeungnam University
    Inventors: Byeong Seon JEONG, Jung Ae KIM, Dong Guk KIM, You Ra KANG, Tae Gyu NAM
  • Patent number: 9505757
    Abstract: Disclosed is a pharmaceutical composition including a bicyclic pyridinol derivative as an active ingredient for preventing or treating diseases caused by angiogenesis. The bicyclic pyridinol derivative expressed by Chemical Formula 1 can be effectively used as a drug for preventing and treating diseases caused by angiogenesis since it inhibits neovascularization in a chorioallantoic membrane model.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: November 29, 2016
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Byeong Seon Jeong, Jung Ae Kim, You Ra Kang, Tae Gyu Nam, Jin Mo Ku, Ned A. Porter
  • Publication number: 20160315222
    Abstract: The present invention provides a patterned substrate for gallium nitride-based light emitting diode, comprising: a patterned substrate having patterns, wherein the plurality of patterns are circle type having diameters (d) and the distances between the centers of the patterns are pitches (p), and the cross sections of the patterns are extruded shapes and have heights (h), and wherein the value of [diameter (d)/pitch (p)] is larger than (2.6)/3, and equal or smaller than 3/3.
    Type: Application
    Filed: October 27, 2015
    Publication date: October 27, 2016
    Applicant: Research Cooperation Foundation of Yeungnam University
    Inventors: Si Hyun Park, Hao Cui
  • Publication number: 20160287754
    Abstract: Disclosed is a method for preparing a bilayer scaffold through single process comprising: preparing a first polymer aqueous solution; adding a second polymer into the first polymer aqueous solution and stirring a reactant; adding a surfactant into the stirred reactant and stirring the reactant at high temperature and high speed; freeze-drying the stirred reactant thereby obtaining a sponge; dipping the sponge in a cross-linking agent thereby rendering be cross-linked; and freeze-drying the cross-linked reactant.
    Type: Application
    Filed: July 16, 2013
    Publication date: October 6, 2016
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Sung Soo HAN, Soon Mo CHOI, Deep Ti SINGH
  • Publication number: 20160282392
    Abstract: The present invention relates to an inverter vector driving system and a method for estimating capacitance using the same. The present invention provides a method for estimating capacitance in an inverter vector driving system including a capacitor to which a rectified DC voltage of a three-phase power supply is charged, and a PWM inverter configured to transform the DC voltage into a three-phase AC voltage to be applied to a motor of an induction motor, including: operating the motor of the IM in a regeneration mode; generating a d-axis voltage command and a q-axis voltage command for the motor; adjusting a pulse of the PWM inverter by using the d-axis voltage command and the q-axis voltage command; and estimating capacitance of the capacitor by using a DC-link voltage and a DC-link current that are generated at the capacitor due to the inclusion of the AC component.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 29, 2016
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Dong-Choon LEE, Thanh Hai NGUYEN, Yoon-Cheul JEUNG
  • Publication number: 20160068489
    Abstract: The present invention relates to an amidopyridinol derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition including an amidopyridinol derivative or a pharmaceutically acceptable salt thereof as an active component. An amidopyridinol derivative represented by Chemical Formula 1 or a pharmaceutically acceptable salt thereof has an excellent antiangiogenic effect in a chorioallantoic membrane model, and thus is useful as an agent for preventing or treating diseases associated with angiogenesis, such as macular degeneration or arthritis, and also has an excellent colitis-inhibitory effect in a model of inflammatory bowel diseases, and thus is useful as an agent for preventing or treating inflammatory bowel diseases.
    Type: Application
    Filed: April 21, 2014
    Publication date: March 10, 2016
    Applicant: Research Cooperation Foundation of Yeungnam University
    Inventors: Byeong Seon JEONG, Jung Ae KIM, Tae gyu NAM, Hyun Ji LEE, Dong Guk KIM, You Ra KANG, Jae Hui BEEN, You Jin JIN, Sushil Chandra REGMI, Jaya GAUTAM
  • Publication number: 20150062490
    Abstract: Disclosed is a backlight unit that includes: a light guide plate that guides light, using internal total reflection; a plurality of short wavelength light sources that are disposed on a side of the light guide plate and radiate short wavelength lights into the light guide plate; a three-color light source array that is disposed on the bottom or the top of the light guide plate and includes a plurality of color conversion materials exciting the short wavelength lights from the short wavelength light sources into red or green or blue; and a lenticular lens array sheet that is disposed between the three-color light source array and the liquid crystal panel and refracts the three color lights emitted from the three-color light source array into the subpixels.
    Type: Application
    Filed: August 8, 2012
    Publication date: March 5, 2015
    Applicant: Research Cooperation Foundation of Yeungnam University
    Inventor: Jin Hyuk Kwon
  • Publication number: 20120328160
    Abstract: Disclosed is a technique for extracting a Haar-like feature based on moment capable of quickly detecting (or recognizing) an object in an input image by using calculation of the nth moment and the nth central moment using a difference in statistical characteristics of pixel values in the input image, and also provides a method for creating the nth integral image, and a method for calculating the nth moment and a method for calculating the nth central moment using the nth integral image to process the iterations at a high speed using the nth integral image.
    Type: Application
    Filed: February 2, 2012
    Publication date: December 27, 2012
    Applicants: Office of Research Cooperation Foundation of Yeungnam University, SL CORPORATION
    Inventors: Kong Kuk Sa, Ho Youl Jung