Patents Assigned to Pukyong National University Industry-University Cooperation Foundation
  • Patent number: 10653872
    Abstract: The present invention relates to an energy delivery device for expanding a tubular organ, the energy delivering device delivering energy to a tubular organ by an optical fiber for treatment and expanding a tissue in the tubular organ, the device comprising a light diffusing optical fiber connected between a laser device and a fixing tip and delivering light; a contraction unit having one end connected to the fixing tip and arranged in a circumference of an end of the light diffusing optical fiber; a movement unit closely adhered to the other end of the contraction unit, in which the light diffusing optical fiber is inserted; and an expansion adjustment unit adjusting a moving distance of the movement unit and expanding the contraction unit in a radial direction while contracting the contraction unit.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 19, 2020
    Assignee: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hyun Wook Kang, Hyoung Shin Lee
  • Publication number: 20200121747
    Abstract: The present disclosure relates to a pharmaceutical composition for the prevention or treatment of arthritis, the composition including a sargahydroquinoic acid as an active ingredient. The sargahydroquinoic acid according to the present disclosure has an excellent activity to reduce or inhibit the activity of IL-1?, IL-6, or TNF-?, which is an inflammatory cytokine, and has an excellent effect of ameliorating arthritis in an arthritis animal model, and thus can be advantageously used as a composition for the treatment of arthritis. In addition, the sargahydroquinoic acid causes neither drug toxicity and side effects, and thus can be safely used even when taken for a long period of time, and has a stable effect even in the body.
    Type: Application
    Filed: October 31, 2018
    Publication date: April 23, 2020
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Hyeung-Rak Kim
  • Patent number: 10583899
    Abstract: A lighthouse lantern comprising a power supply and a phosphor-containing emitter is disclosed. The lighthouse lantern includes a power supply; a laser diode configured for receiving power from the power supply and irradiating laser in one direction; a phosphor-containing emitter positioned on a traveling line of the laser, wherein the emitter is configured for receiving the laser and emitting light; and a pair of reflective structures disposed symmetrically with respect to the phosphor-containing emitter, wherein each reflective structure has a reflective surface inclined in a direction away from the phosphor-containing emitter, wherein the reflective surfaces of the reflective structures are symmetrical with each other with respect to the phosphor-containing emitter. In accordance with the present disclosure, the lighthouse lantern may generate high output with low input power and thus has improved power efficiency, may suppress frequent failures near sea or seawater, and may reduce production costs.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: March 10, 2020
    Assignee: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventor: Hyun Kyoung Yang
  • Publication number: 20200022640
    Abstract: The present invention relates to a real-time parathyroid imaging device, and a real-time parathyroid imaging device for displaying only a parathyroid in a thyroid with a separate mark, the real-time parathyroid imaging device including: a light source configured to emit light to a thyroid and excite a parathyroid; a detector configured to detect an emission spectrum of the parathyroid excited and emitted by the light source; an excitation filter disposed in front of the light source; and an emission filter disposed in front of the detector. When central Compartment Neck Dissection (CCND) for thyroidectomy is performed, the present invention clearly marks a parathyroid by an autofluorescent image, thereby allowing a surgeon to more simply and safely perform the CCND while leaving the parathyroid.
    Type: Application
    Filed: September 4, 2017
    Publication date: January 23, 2020
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Yeh-Chan Ahn, Sung-Won Kim, Kang-Dae Lee, Hyoung-Shin Lee, Chul-Ho Oak, Seo-Hyun Song, Hyun-Wook Kang, Joon-Shik You
  • Publication number: 20190380975
    Abstract: The present invention relates to a composition for preventing or treating stenosis, in which the composition includes brown algae extract, and more particularly to a composition for preventing or treating stenosis, in which the composition includes brown algae-derived polyphenol as an active ingredient, thereby providing excellent prevention or treatment effect on stenosis including tracheal stenosis, glottic stenosis, vascular stenosis, and the like.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 19, 2019
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Won-Kyo Jung, Seok-Chun Ko, Min-Seon Jeong, Hyoung-Shin Lee, Sung-Won Kim, Chul-Ho Ok, JungHwan Oh
  • Publication number: 20190374286
    Abstract: A laser irradiation device for irradiating laser to a tissue includes: a decrease form determination unit configured to determine a decrease form of laser power according to a laser irradiation time; a decrease rate determination unit configured to determine a decrease rate of the determined decrease form; a laser light source unit configured to emit laser in the determined decrease form and the determined decrease rate; and a laser irradiation unit configured to receive laser emitted from the laser light source unit and irradiate the received laser. A constant photoreaction can be induced by constantly maintaining a temperature in a site to be irradiated with laser.
    Type: Application
    Filed: November 8, 2018
    Publication date: December 12, 2019
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventor: Hyun Wook Kang
  • Publication number: 20190362050
    Abstract: The present invention relates to a method for reducing the complexity of bio-crudes. The method includes (a) obtaining experimental data of quantitative and qualitative analyses for the bio-crudes, (b) grouping compounds contained in the bio-crudes according to a predetermined basis based on the experimental data, (c) selecting representative compounds from among the compounds belonging to the same group, and (d) reconstituting the bio-crudes as a mixture of the representative compounds. In the method for reducing the complexity of the bio-crudes for process simulation according to the present invention, the number of constituent compounds of the bio-crudes is minimized and the physical properties of the bio-crudes are accurately represented using only experimental data obtained through GC-MS, thereby enabling accurate and efficient process simulation of the bio-crudes.
    Type: Application
    Filed: September 6, 2018
    Publication date: November 28, 2019
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Jay LIU, Boris Brigljevic, Petar Zuvela
  • Publication number: 20190320999
    Abstract: The present invention relates to: a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.
    Type: Application
    Filed: October 23, 2017
    Publication date: October 24, 2019
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Sung Chul BAE, Chul Ho OAK, Eun Kee PARK, Jung-Eun PARK, Yeh Chan AHN
  • Patent number: 10420858
    Abstract: Provided are a cell carrier for skin tissue regeneration using chitooligosaccharide and a method for producing the same. The cell carrier according to the present invention includes fish-derived collagen (FC), alginate (A), and chitooligosaccharide (COS1) of 1 to 3 kDa, and thus has excellent biocompatibility with dermal fibroblasts and has an excellent effect of being utilized as a cell carrier for skin tissue regeneration.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: September 24, 2019
    Assignee: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Won-Kyo Jung, Seok-Chun Ko, Gun-Woo Oh
  • Publication number: 20190276915
    Abstract: The present invention provides a method of manufacturing a single-walled-carbon-nanotube-reinforced metal matrix complex material. The method includes (a) manufacturing a complex powder by performing ball milling of a metal powder and a single-walled carbon nanotube powder, and (b) manufacturing a metal-carbon-nanotube complex material by spark-plasma-sintering (SPS) the complex powder manufactured during step (a). According to the method of manufacturing the single-walled-carbon-nanotube-reinforced metal matrix complex material according to the present invention, in order to manufacture material parts requiring high strength and abrasion resistance, the single-walled carbon nanotube powder is added to various metal matrixes and ball milling is performed, thus manufacturing a complex powder having uniform dispersity.
    Type: Application
    Filed: August 24, 2017
    Publication date: September 12, 2019
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventor: Hansang KWON
  • Patent number: 10399891
    Abstract: The present disclosure provides a wavelength conversion glass, a method for manufacturing the wavelength conversion glass, and a light emitting device including the wavelength conversion glass. The wavelength conversion glass includes a TeO2—B2O3—ZnO—BaO-based transparent glass containing tellurium dioxide (TeO2), boric oxide (B2O3), zinc oxide (ZnO), and barium oxide (BaO); and phosphor micro-particles dispersed in the transparent glass.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 3, 2019
    Assignee: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Hyun Kyoung Yang, Jung Sik Joo
  • Publication number: 20190258006
    Abstract: A high-order optical fiber multi-wavelength filter includes a polarization beam splitter configured to form a polarization-diversity loop configuration by splitting light received from a broadband light source into two polarization components, combining circulated and input light of the two polarization components, and outputting the combined light, a pair of polarization controllers each including at least one wave plate in combination, and configured to change a polarization state of input light, and a pair of polarization-maintaining fibers configured to form interference spectrums by assigning phase differences through birefringence.
    Type: Application
    Filed: April 11, 2018
    Publication date: August 22, 2019
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventor: Yongwook LEE
  • Publication number: 20190142885
    Abstract: The present invention relates to an antioxidant composition and, more specifically, to an antioxidant composition including a Sargassum serratifolium extract or a fraction thereof as an active ingredient, in which the antioxidant composition is a useful material (substance) that can be added to medicines, cosmetics, foods, animal feeds, and the like. The present invention also relates to a pharmaceutical composition for preventing or treating eye diseases, a food composition for alleviating eye diseases, and a health functional food, each of which includes a Sargassum serratifolium extract or a compound separated therefrom as an active ingredient.
    Type: Application
    Filed: April 18, 2016
    Publication date: May 16, 2019
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hyeung-Rak KIM, Su-Jin LIM, Mi-Sung KWON, Min-Sup LEE
  • Patent number: 10286021
    Abstract: The present invention relates to a composition for the prevention or treatment of arthritis, the composition containing a Sargassum serratifolium extract as an active ingredient. The extract of Sargassum serratifolium according to the present invention has an excellent activity to reduce or inhibit the activity of IL-1?, IL-6, or TNF-?, which is an inflammatory cytokine, and has an excellent effect alleviating arthritis in an arthritis animal model so that it can be usefully used as a composition for treating arthritis. In addition, there is no cytotoxicity, and toxicity to the drug and side effects are avoided so that it can be safely used even for long-term use, and it is stable in the body.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: May 14, 2019
    Assignee: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Hyeung-Rak Kim, Mi-Sung Kwon, Eun-Ji Joung
  • Patent number: 10211382
    Abstract: The present invention relates to a light emitting diode (LED) chip, in which a hybrid sensor is formed in a nitride-based LED structure. A chip structure embedded with such a hybrid sensor functions as an LED light emitting sensor which can monitor environmental pollution while functioning as a lighting element at the same time and has an effect of being used as a variety of environment pollution sensors according to the type of an electrode material.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: February 19, 2019
    Assignee: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hyung Soo Ahn, Sam Nyung Yi, Min Yang, Kee Sam Shin, Young Moon Yu
  • Publication number: 20180282232
    Abstract: The present disclosure provides a method for producing a heat-dissipating ceramic foam containing carbonized cellulose particles, the method including: mixing particles of carbonized cellulose or carbonized cellulose-containing substance, ceramic powders, silicate, and water to form slurry; adding a foaming agent to the slurry to form foamed slurry; and drying the foamed slurry.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 4, 2018
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Hyun Kyoung YANG, Joo Hyun LEE
  • Publication number: 20180250436
    Abstract: Provided are a cell carrier for skin tissue regeneration using chitooligosaccharide and a method for producing the same. The cell carrier according to the present invention includes fish-derived collagen (FC), alginate (A), and chitooligosaccharide (COS1) of 1 to 3 kDa, and thus has excellent biocompatibility with dermal fibroblasts and has an excellent effect of being utilized as a cell carrier for skin tissue regeneration.
    Type: Application
    Filed: April 6, 2016
    Publication date: September 6, 2018
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Won-Kyo Jung, Seok-Chun Ko, Gun-Woo Oh
  • Publication number: 20180221424
    Abstract: The present invention relates to a composition for the prevention or treatment of arthritis, the composition containing a Sargassum serratifolium extract as an active ingredient. The extract of Sargassum serratifolium according to the present invention has an excellent activity to reduce or inhibit the activity of IL-1?, IL-6, or TNF-?, which is an inflammatory cytokine, and has an excellent effect alleviating arthritis in an arthritis animal model so that it can be usefully used as a composition for treating arthritis. In addition, there is no cytotoxicity, and toxicity to the drug and side effects are avoided so that it can be safely used even for long-term use, and it is stable in the body.
    Type: Application
    Filed: February 11, 2016
    Publication date: August 9, 2018
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hyeung-Rak Kim, Mi-Sung Kwon, Eun-Ji Joung
  • Publication number: 20180136281
    Abstract: A synthetic test circuit for testing a submodule performance in a power compensator includes a submodule test unit which is an object of testing the submodule performance, a current source and a controller. The current source is connected to the submodule test unit to supply a voltage to the submodule test unit such that a charging voltage having a capacity set in the submodule test unit is stored in order to operate the submodule test unit. The controller is configured to perform control to perform a submodule performance test of the submodule test unit using the stored charging voltage.
    Type: Application
    Filed: August 22, 2017
    Publication date: May 17, 2018
    Applicants: LSIS CO., LTD., Pukyong National University Industry-University Cooperation Foundation
    Inventors: Yong Ho CHUNG, Seung Taek BAEK, Young Woo KIM, Jin Hee LEE, Eui Cheol NHO, Jae Hun JUNG
  • Patent number: 9859001
    Abstract: A method for switching a memory resistance, including: changing a memory resistance of an oxide thin film of a semiconductor device by irradiating a near-infrared laser beam onto the oxide thin film, the semiconductor device having the oxide thin film formed on a substrate and two terminals formed at both ends of the oxide thin film.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: January 2, 2018
    Assignee: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Yongwook Lee, Jihoon Kim