Patents by Inventor Jae-Chun Ryu

Jae-Chun Ryu 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: 20200031197
    Abstract: The present invention relates to an air conditioner for a vehicle, which includes a cold air passageway and a warm air passageway, and two blowers disposed in the air passageways, thereby rapidly ventilating the interior of the vehicle using the two blowers.
    Type: Application
    Filed: April 2, 2018
    Publication date: January 30, 2020
    Inventors: Jae Chun Ryu, Dae Bok Keon, Yun Jin Kim, Jong Bo Won, Se Min Lee
  • Patent number: 10487074
    Abstract: The present invention provides a process for purifying (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran, comprising converting an amorphous (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran to a crystalline form thereof. And also, the present invention provides a novel crystalline form of (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran and processes for preparing the same.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: November 26, 2019
    Assignee: HANLIM PHARMACEUTICAL CO., LTD.
    Inventors: Jae-Chun Ryu, Yong-Kyun Park, Hyun-Kyu Kim, Dong-Yeop Shin
  • Patent number: 10479164
    Abstract: The present invention provides an air conditioning system for a vehicle, which includes an evaporator mounted in a cold air passageway and a condenser mounted in a warm air passageway inside an air-conditioning case to perform cooling and heating, and protecting means for surrounding a plurality of electronic units mounted on the outer surfaces of the air-conditioning case and blowers, thereby preventing breakdowns and malfunctions by preventing foreign matters or water from entering into the electronic units.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: November 19, 2019
    Assignee: HANON SYSTEMS
    Inventors: Jae Chun Ryu, Tae Yong Park, Yong Nam Ahn, Sung Je Lee, Se Min Lee
  • Patent number: 10479161
    Abstract: The present invention relates to a vehicle air-conditioning system and, more particularly, to a vehicle air-conditioning system in which an air-conditioning module consisting of an air-conditioning case and a blowing apparatus is disposed at a side of an engine room with respect to a dash panel, and a distribution duct for distributing cold and hot air discharged from the air-conditioning case into the inside of a vehicle is disposed on the indoor side of the vehicle with respect to the dash panel. The vehicle air-conditioning system may prevent a reverse flow of outdoor air into a cold air discharge port and a hot air discharge port due to the wind pressure when driving by forming a shielding means at the sides of the cold air discharge port and the hot air discharge port, which discharge the cold and hot air of the air-conditioning case to the outside, thereby improving the cooling and heating performance by smoothly discharging heat through the cold air discharge port and the hot air discharge port.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: November 19, 2019
    Assignee: HANON SYSTEMS
    Inventors: Jae Chun Ryu, Young Hum Han, Chul Hee Kim, Joong Man Han, Hyeon Gyu Kim, Kyung Ju An, Tae Yong Park, Sung Je Lee
  • Patent number: 10457115
    Abstract: Disclosed is an air conditioning system for a vehicle which includes a cold air passageway having a heat exchanger for cooling and a warm air passageway having a heat exchanger for heating inside an air-conditioning case to carry out cooling and heating and which controls to inhale indoor air inside the vehicle, pass the air through the heat exchanger for cooling and discharge the air outside the vehicle in a specific mode, thereby preventing frosting of the heat exchanger for cooling because supplying air of high temperature dehumidified inside the interior of the vehicle to the heat exchanger for cooling, and enhancing heating performance by rising refrigerant pressure and temperature in the refrigerant cycle without needing additional components.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 29, 2019
    Assignee: HANON SYSTEMS
    Inventors: Sung Je Lee, Yun Jin Kim, Jae Chun Ryu, Tae Yong Park, Se Min Lee, Yong Nam Ahn, Dae Bok Keon
  • Publication number: 20190248768
    Abstract: The present invention provides a process for purifying (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran, comprising converting an amorphous (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran to a crystalline form thereof. And also, the present invention provides a novel crystalline form of (2R,3R,4S)-6-amino-4-[N-(4-chlorophenyl)-N-(1H-imidazol-2-ylmethyl)amino]-3-hydroxy-2-methyl-2-dimethoxymethyl-3,4-dihydro-2H-1-benzopyran and processes for preparing the same.
    Type: Application
    Filed: November 24, 2016
    Publication date: August 15, 2019
    Applicant: HANLIM PHARMACEUTICAL CO., LTD.
    Inventors: Jae-Chun RYU, Yong-Kyun PARK, Hyun-Kyu KIM, Dong-Yeop SHIN
  • Publication number: 20190168579
    Abstract: The present invention relates to an air conditioning system for a vehicle and a method for controlling the same and, more specifically, to an air conditioning system for a vehicle and a method for controlling the same in which an opening/closing valve and an expansion valve are installed on a branch line connecting a first air conditioning unit and a second air conditioning unit, the opening/closing valve is always open so as to always supply a refrigerant to the second air conditioning unit during a cooling mode, and the opening/closing valve is always closed so as to always block the refrigerant supply to the second air conditioning unit during a heating mode, such that the refrigerant flows into the branch line of the second air conditioning unit even during a single cooling mode, thereby solving the problem wherein the pressure of a compressor increases, oil is forcibly circulated through a notch of the expansion valve, thereby solving the problem wherein the oil circulation rate decreases, and the refrig
    Type: Application
    Filed: July 21, 2017
    Publication date: June 6, 2019
    Inventors: Hyeon Gyu KIM, Doo Hoon KIM, Chul Hee KIM, Jae Chun RYU, Sung Je LEE, Young Hum HAN, Joong Man HAN
  • Publication number: 20180361819
    Abstract: The present invention relates to a vehicle air-conditioning system and, more particularly, to a vehicle air-conditioning system in which an air-conditioning module consisting of an air-conditioning case and a blowing apparatus is disposed at a side of an engine room with respect to a dash panel, and a distribution duct for distributing cold and hot air discharged from the air-conditioning case into the inside of a vehicle is disposed on the indoor side of the vehicle with respect to the dash panel. The vehicle air-conditioning system may prevent a reverse flow of outdoor air into a cold air discharge port and a hot air discharge port due to the wind pressure when driving by forming a shielding means at the sides of the cold air discharge port and the hot air discharge port, which discharge the cold and hot air of the air-conditioning case to the outside, thereby improving the cooling and heating performance by smoothly discharging heat through the cold air discharge port and the hot air discharge port.
    Type: Application
    Filed: January 9, 2017
    Publication date: December 20, 2018
    Inventors: Jae Chun RYU, Young Hum HAN, Chul Hee KIM, Joong Man HAN, Hyeon Gyu KIM, Kyung Ju AN, Tae Yong PARK, Sung Je LEE
  • Publication number: 20180361824
    Abstract: The present invention relates to an air conditioning system for a vehicle in which an air-conditioning module having an air-conditioning case and a blower unit is disposed at a side of an engine room relative to a dash panel, and a distribution duct having a defrost vent, a face vent, and a floor vent is disposed in the interior of a vehicle relative to the dash panel so as to distribute cold air and hot air discharged from the air-conditioning case into the interior of the vehicle, wherein the floor vent is placed on one side of an area, in which a relatively large amount of hot air flows, in a mixing chamber of the distribution duct where cold air and hot air are mixed, i.e. a side adjacent to the dash panel.
    Type: Application
    Filed: January 6, 2017
    Publication date: December 20, 2018
    Inventors: Jae Chun RYU, Chul Hee KIM, Tae Yong PARK, Yong Nam AHN, Young Hum HAN, Joong Man HAN, Yun Jin KIM
  • Publication number: 20180290516
    Abstract: Disclosed herein is an air conditioner for a vehicle, which can select a blower with the maximum efficiency within a range of a targeted air discharge volume for indoor circulation and select a blower with the maximum efficiency within a range of a targeted air discharge volume for outdoor discharge. The air conditioner includes: an air-conditioning case having a first air passageway and a second air passageway; an evaporator disposed on the first air passageway or the second air passageway; a condenser disposed on the first air passageway or the second air passageway; a first blower arranged on an indoor circulation passage; and a second blower arranged on an outdoor discharge passage.
    Type: Application
    Filed: April 5, 2018
    Publication date: October 11, 2018
    Inventors: Jae Chun RYU, Dae Bok KEON, Yun Jin KIM, Se Min LEE
  • Publication number: 20180111445
    Abstract: The present invention provides an air conditioning system for a vehicle, which includes an evaporator mounted in a cold air passageway and a condenser mounted in a warm air passageway inside an air-conditioning case to perform cooling and heating, and protecting means for surrounding a plurality of electronic units mounted on the outer surfaces of the air-conditioning case and blowers, thereby preventing breakdowns and malfunctions by preventing foreign matters or water from entering into the electronic units.
    Type: Application
    Filed: April 14, 2016
    Publication date: April 26, 2018
    Inventors: Jae Chun RYU, Tae Yong PARK, Yong Nam AHN, Sung Je LEE, Se Min LEE
  • Publication number: 20180093545
    Abstract: Disclosed herein is an air conditioning system for a vehicle, which includes an evaporator mounted in a cold air passageway, a condenser mounted in a warm air passageway inside an air-conditioning case, and supporting means for fixing and supporting air conditioner components for enhancing heating and cooling performance to the air-conditioning case so as to integrate the air conditioner components with the air-conditioning case, thereby simplifying distribution, delivery and management of the air conditioning system, enhancing productivity due to simplification of the assembling process of vehicles, and reducing weight of the air conditioning system due to reduction in length of a refrigerant circulation line.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 5, 2018
    Inventors: Tae Yong PARK, Yong Nam AHN, Sung Je LEE, Kyung Ju AN, Jae Chun RYU, Se Min LEE, Youn Woo LIM
  • Patent number: 9726161
    Abstract: A micropump configured to control flow of an insulation fluid includes: a rectangular channel 370 configured to have a rectangular shape in which a movement passage of the insulation fluid; a planar electrode forming section 310 configured to be formed inside the rectangular channel and have a planar shape for applying an electric field; an inflow section 320 configured such that the insulation fluid flows in; and an outflow section 330 configured such that the insulation fluid flows out. Since an insulation fluid with low conductivity in a range of 10?10 to 10?12 S/m is transported with a simple technical structure without using a complicated component, it is possible to obtain the advantage of cost saving and application to various minute dynamics devices.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: August 8, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Won Kyoung Kim, Jae Chun Ryu, Kwan Hyoung Kang, Kyoung-Ah Min
  • Publication number: 20170203631
    Abstract: Disclosed herein is an air conditioning system for a vehicle which includes an air-conditioning module having an air-conditioning case, which has a cold air passageway and a warm air passageway partitioned from each other, and a blower unit, and an indoor air inflow duct for introducing indoor air of the interior of the vehicle into the blower unit, wherein an outlet of the air-conditioning case and an inlet of the indoor air inflow port are arranged to be adjacent to each other, so that the air conditioning system for a vehicle can be installed through just one through hole part formed in a dash panel, thereby enhancing assemblability and reducing weight and an installation cost.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 20, 2017
    Inventors: Jae Chun Ryu, Young Hum Han, Chul Hee Kim, Joong Man Han, Tae Yong Park, Yong Nam Ahn, Doo Hoon Kim, Yun Jin Kim, Hyeon Gyu Kim, Sung Je Lee
  • Publication number: 20170129309
    Abstract: Disclosed herein is a heat pump system for a vehicle, which includes a compressor, an air-cooled condenser mounted on a warm air passageway, expansion means and an evaporator mounted on a cold air passageway of an air-conditioning case in order to carry out heating and cooling and further includes a water-cooled condenser mounted on a refrigerant circulation line between the compressor and the air-cooled condenser to exchange heat between refrigerant and coolant, thereby reducing the number and the size of blowers and the size of the entire system because the size of the air-cooled condenser inside the warm air passageway is reduced, and decreasing power consumption and noise by reducing capacity of a motor of the blower.
    Type: Application
    Filed: June 30, 2015
    Publication date: May 11, 2017
    Applicant: HANON SYSTEMS
    Inventors: Hae Jun LEE, Jae Chun RYU, Yong Nam AHN, Sung Je LEE, Se Min LEE
  • Publication number: 20170043646
    Abstract: Disclosed is an air conditioning system for a vehicle which includes a cold air passageway having a heat exchanger for cooling and a warm air passageway having a heat exchanger for heating inside an air-conditioning case to carry out cooling and heating and which controls to inhale indoor air inside the vehicle, pass the air through the heat exchanger for cooling and discharge the air outside the vehicle in a specific mode, thereby preventing frosting of the heat exchanger for cooling because supplying air of high temperature dehumidified inside the interior of the vehicle to the heat exchanger for cooling, and enhancing heating performance by rising refrigerant pressure and temperature in the refrigerant cycle without needing additional components.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 16, 2017
    Inventors: Sung Je LEE, Yun Jin KIM, Jae Chun RYU, Tae Yong PARK, Se Min LEE, Yong Nam AHN, Dae Bok KEON
  • Patent number: 9057139
    Abstract: The present invention relates to a method for manufacturing an electrode module for recovery of metal ions, an electrode module for recovery of metal ions, and an apparatus for recovery of metal ions including the same. The present invention provides a method for manufacturing an electrode module for recovery of metal ions, the method including the steps of: a) preparing a first electrode part and a second electrode part for electrically adsorbing or desorbing metal ions contained in a liquid; and b) interposing an insulating layer, through which the liquid passes, between the first electrode part and the second electrode part, an electrode module for recovery of metal ions manufactured by the method, and an apparatus for recovery of metal ions including the same.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 16, 2015
    Assignee: Korea Institute of Geoscience and Mineral Resources (KIGAM)
    Inventors: Kang-Sup Chung, Tae Gong Ryu, Jae Chun Ryu
  • Publication number: 20140315738
    Abstract: The present invention relates to marine medaka genes responding to the exposure of endocrine-disrupting chemicals, and a method for diagnosing an aquatic eco-system contamination using the marine medaka genes. Specifically, the method for diagnosing an aquatic eco-system contamination, according to the present invention, makes use of marine medaka genes of which the expression amount changes according to 17?-estradiol, or marine medaka genes of which the expression amount changes according to bisphenol A. Since it was verified that genes of marine medaka exposed to 17?-estradiol are changed or genes of marine medaka exposed to bisphenol A are changed, the present invention can be used in a useful manner for a microarray chip in which marine medaka genes responding to 17?-estradiol or marine medaka genes responding to bisphenol A are integrated, for a diagnosis using same, and for a method for diagnosing health or detecting stress of a marine eco-system by applying a kit having the microarray chip.
    Type: Application
    Filed: April 18, 2014
    Publication date: October 23, 2014
    Applicant: Korea Ocean Research And Development Institute
    Inventors: Seungshic Yum, Seonock Woo, Hyokyoung Won, Aekyung Lee, Jae-Chun Ryu
  • Publication number: 20140158527
    Abstract: The present invention relates to a method for manufacturing an electrode module for recovery of metal ions, an electrode module for recovery of metal ions, and an apparatus for recovery of metal ions including the same. the present invention provides a method for manufacturing an electrode module for recovery of metal ions, the method including the steps of: a) preparing a first electrode part and a second electrode part for electrically adsorbing or desorbing metal ions contained in a liquid; and b) interposing an insulating layer, through which the liquid passes, between the first electrode part and the second electrode part, an electrode module for recovery of metal ions manufactured by the method, and an apparatus for recovery of metal ions including the same.
    Type: Application
    Filed: April 13, 2012
    Publication date: June 12, 2014
    Inventors: Kang-Sup Chung, Tae Gong Ryu, Jae Chun Ryu
  • Patent number: 8716192
    Abstract: The present invention relates to a biomarker for the identification of exposure to lower aliphatic saturated aldehydes by using micro RNA and a method for the identification of exposure to lower aliphatic saturated aldehydes using the same. In this invention, the micro RNA at least 1.5 fold up-regulated by exposure to lower aliphatic saturated aldehydes and the micro RNA up to 0.66 fold down-regulated by the same were selected. These two micro RNAs can be effectively used as the biomarker for the monitoring of lower aliphatic saturated aldehydes and for the risk assessment thereby and at the same time as a tool to investigate the mechanism of toxicity caused by such lower aliphatic saturated aldehydes.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: May 6, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Jae Chun Ryu, Mee Song, Ji-seong Yoon, Wooin Ryu, Hyo Sun Lee, Chan Young Shin