Patents by Inventor Keun Ho Ryu

Keun Ho 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).

  • Patent number: 11090773
    Abstract: Provided is a method of manufacturing a server room cooling apparatus, the method including: providing a housing; providing at least one frame in the housing; providing, on the at least one frame, a barrier wall configured to divide a space inside the housing into at least two spaces; forming a mist ejection unit configured to eject mist to an outer air supplied from outside the server room cooling apparatus, at a side of a supply unit that is formed by the barrier wall and supplies outer air to a server room; forming a filter unit configured to filter outer air supplied from outside the server room cooling apparatus, at a side of the mist ejection unit; and forming an outer air inflow unit into which outer air flows, at one side of the filter unit.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 17, 2021
    Assignee: NAVER CLOUD CORPORATION
    Inventors: Weon Gi Park, Ji Hyun Koo, Keun Ho Ryu, Dong Ju Lee, Jeong Beom Ko, Hun Nam Ji
  • Patent number: 10492338
    Abstract: Provided is a server room cooling device including: an outer air inflow unit into which outer air flows; a filter unit provided at one side of the outer air inflow unit and filtering the outer air supplied through the outer air inflow unit; a mist ejection unit provided at one side of the filter unit and ejecting mist into the outer air that has passed through the filter unit; and a supply unit provided at one side of the mist ejection unit and supplying the outer air that has passed through the mist ejection unit to a server room.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: November 26, 2019
    Assignee: NAVER Business Platform Corporation
    Inventors: Dong Ju Lee, Weon Gi Park, Ji Hyun Koo, Keun Ho Ryu, Jeong Beom Ko, Hun Nam Ji
  • Patent number: 10355484
    Abstract: A more efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for converting the switched current power to direct current power; and a controller for generating a switch signal to control the relay to switch the sources on the basis of the result for monitoring the alternating current power supplied from the sources.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: July 16, 2019
    Assignee: NAVER Business Platform Corp.
    Inventors: Yong Soo Youn, Keun Ho Ryu
  • Patent number: 10155763
    Abstract: The present invention provides a novel 2-pyridyl substituted imidazole derivative, or a pharmaceutically acceptable salt or solvate thereof, which selectively inhibits the transforming growth factor-? (TGF-?) type I receptor (ALK5) and/or the activin type I receptor (ALK4); a pharmaceutical composition comprising same as an active ingredient; and a use of the 2-pyridyl substituted imidazole derivative for the manufacture of a medicament for preventing or treating a disease mediated by ALK5 and/or ALK4 receptors in a mammal.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: December 18, 2018
    Assignee: TIUMBIO CO., LTD.
    Inventors: Ju Young Lee, Keun-Ho Ryu, Jae-Sun Kim, Yong-Hyuk Kim, Dong-Chul Shin, Bong-yong Lee, Sang-hwan Kang, Hyun-Jung Lee, Hoechul Jung, Young Ah Shin, Euisun Park, Jaeseung Ahn, Hun-Taek Kim, Je Ho Ryu
  • Publication number: 20170310107
    Abstract: A more efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for converting the switched current power to direct current power; and a controller for generating a switch signal to control the relay to switch the sources on the basis of the result for monitoring the alternating current power supplied from the sources.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Applicant: NAVER Business Platform Corp.
    Inventors: Yong Soo YOUN, Keun Ho RYU
  • Patent number: 9762058
    Abstract: A more efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for converting the switched current power to direct current power; and a controller for generating a switch signal to control the relay to switch the sources on the basis of the result for monitoring the alternating current power supplied from the sources.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: September 12, 2017
    Assignee: Naver Business Platform Corp.
    Inventors: Yong Soo Youn, Keun Ho Ryu
  • Publication number: 20170049782
    Abstract: The present invention relates to a composition comprising 5-chloro-N-({(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)-phenyl]-1,3-oxazolidin-5-yl}-methyl]-2-thiophene carboxyamide as an active ingredient, manufactured by a melt extrusion method. The composition according to the present invention has a wide variety of advantages such as securing dissolution rate and bioavailability of the active ingredient, improving absorption deviation depending on whether a patient has a meal or not, and securing stability during the manufacturing process. The present invention further provides a method which can manufacture the said composition.
    Type: Application
    Filed: April 22, 2015
    Publication date: February 23, 2017
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Jun-sung PARK, Dongchul SHIN, Keun-Ho RYU, Ho Chul SHIN, Sang-wook HWANG, Gwan-young KIM, Hun-Taek KIM
  • Publication number: 20170043438
    Abstract: Provided is a method of manufacturing a server room cooling apparatus, the method including: providing a housing; providing at least one frame in the housing; providing, on the at least one frame, a barrier wall configured to divide a space inside the housing into at least two spaces; forming a mist ejection unit configured to eject mist to an outer air supplied from outside the server room cooling apparatus, at a side of a supply unit that is formed by the barrier wall and supplies outer air to a server room; forming a filter unit configured to filter outer air supplied from outside the server room cooling apparatus, at a side of the mist ejection unit; and forming an outer air inflow unit into which outer air flows, at one side of the filter unit.
    Type: Application
    Filed: January 14, 2015
    Publication date: February 16, 2017
    Inventors: Weon Gi Park, Ji Hyun Koo, Keun Ho Ryu, Dong Ju Lee, Jeong Beom Ko, Hun Nam Ji
  • Patent number: 9514511
    Abstract: A method of operating a timing controller, which communicates with a host through a mobile industry processor interface (MIPI) and communicates with a display panel module through a display interface, is provided. The method includes storing image data compressed by one of the host and the timing controller in a frame memory, decompressing the image data stored in the frame memory, and performing panel self-refresh on the display panel module using the decompressed image data.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Chul Lee, Jong Seon Kim, Wai Dustin, Keun Ho Ryu, Jong Sung Lee
  • Publication number: 20160353612
    Abstract: Provided is a server room cooling device including: an outer air inflow unit into which outer air flows; a filter unit provided at one side of the outer air inflow unit and filtering the outer air supplied through the outer air inflow unit; a mist ejection unit provided at one side of the filter unit and ejecting mist into the outer air that has passed through the filter unit; and a supply unit provided at one side of the mist ejection unit and supplying the outer air that has passed through the mist ejection unit to a server room.
    Type: Application
    Filed: December 5, 2014
    Publication date: December 1, 2016
    Applicant: NAVER Business Platform Corporation
    Inventors: Dong Ju Lee, Weon Gi Park, Ji Hyun Koo, Keun Ho Ryu, Jeong Beom Ko, Hun Nam Ji
  • Patent number: 9271916
    Abstract: Disclosed is a composition effective in reducing skin wrinkles. The composition comprises a phosphodiesterase 5 (PDE5) inhibitor, preferably the compound of chemical formula 1, more preferably, mirodenafil as an active ingredient. Further disclosed is a method for reducing skin wrinkles using the composition.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: March 1, 2016
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Soo-Min Lee, Sooheun Lee, Keun-Ho Ryu, Bong-Yong Lee, Jae-Sun Kim, Jung-Hoon Oh, Ye-Ji Jeon
  • Patent number: 9180153
    Abstract: The present invention relates to an extract isolated from Sophorae Radix useful for prevention and treatment of respiratory diseases. More specifically, the present invention relates to a pharmaceutical drug comprising the Sophorae Radix extract having excellent effects of inhibiting airway contraction, respiratory infections, 5-lipoxygenase activity, phosphodiesterase 4 activity, airway hyper-responsiveness and airway remodeling; antagonistic activity against leukotriene D4; and an antitussive effect, thus being useful for prevention and treatment of respiratory diseases such as asthma, acute or chronic bronchitis, allergic rhinitis, acute upper respiratory infections and acute lower respiratory infections, and the like.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: November 10, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Chang-Kyun Han, Kiwon Joung, Hunseung Yoo, Yong-Baik Cho, Keun Ho Ryu, Hye Yeon Baek, Taek-Soo Kim, In Ho Jung, Wie-Jong Kwak
  • Patent number: 9168212
    Abstract: The present invention relates to a pharmaceutical or cosmetic composition and a method for promoting eyelash growth, wherein nipradilol or pharmaceutically or cosmetically acceptable salts thereof are used as active ingredients. The composition of the invention may comprise prostaglandin F2? analogs.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: October 27, 2015
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Sang-hwan Kang, Keun-Ho Ryu, DongChul Shin, Bong-yong Lee
  • Patent number: 9155691
    Abstract: Disclosed is a composition effective in reducing skin wrinkles. The composition comprises or uses a phosphodiesterase 5 (PDE5) inhibitor as an active ingredient. Further disclosed is a method for reducing skin wrinkles using the composition.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: October 13, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Soo-Min Lee, Sooheun Lee, Keun-Ho Ryu, Bong-Yong Lee, Jae-Sun Kim, Jung-Hoon Oh, Ye-Ji Jeon
  • Patent number: 9096571
    Abstract: Provided are picolinamide and pyrimidine-4-carboxamide compounds, a method for preparing the same, a pharmaceutical composition containing the same, and a medical use using the compound as an agent for preventing, regulating, and treating diseases related to regulation of glucocorticoids by using selective inhibitory activity of the compound for an 11?-HSD1 enzyme. The picolinamide and pyrimidine-4-carboxamide compounds of the present invention are selective inhibitors of human-derived 11?-HSD1 enzymes, and are useful in an agent for preventing, regulating, and treating diseases related to glucocorticoid regulation in which human-derived 11?-HSD1 enzymes are involved, for example, metabolic syndromes such as, type 1 and type 2 diabetes, diabetes later complications, latent autoimmune diabetes adult (LADA), insulin tolerance syndromes, obesity, impaired glucose tolerance (IGT), impaired fasting glucose (IFG), damaged glucose tolerance, dyslipidemia, atherosclerosis, hypertension, etc.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: August 4, 2015
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Je Ho Ryu, Shin Ae Kim, Keun Ho Ryu, Jae Sun Kim, Nam Ho Kim, Hye Young Han, Yong Hyuk Kim, Won-No Youn, Yoon-Jung Lee, Hyun Joo Son, Bong-Yong Lee, Sung Hoon Park, Ju Young Lee, Hyun Jung Lee, Hoe Chul Jung, Young Ah Shin, Jung A Lee, Bo Ram Lee, Joon Ho Sa
  • Publication number: 20150130824
    Abstract: A method of operating a timing controller, which communicates with a host through a mobile industry processor interface (MIPI) and communicates with a display panel module through a display interface, is provided. The method includes storing image data compressed by one of the host and the timing controller in a frame memory, decompressing the image data stored in the frame memory, and performing panel self-refresh on the display panel module using the decompressed image data.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 14, 2015
    Inventors: Jae Chul LEE, Jong Seon KIM, Wai DUSTIN, Keun Ho RYU, Jong Sung LEE
  • Publication number: 20150008746
    Abstract: A more efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for converting the switched current power to direct current power; and a controller for generating a switch signal to control the relay to switch the sources on the basis of the result for monitoring the alternating current power supplied from the sources.
    Type: Application
    Filed: January 18, 2013
    Publication date: January 8, 2015
    Applicant: NAVER BUSINESS PLATFORM CORP.
    Inventors: Yong Soo Youn, Keun Ho Ryu
  • Publication number: 20140213647
    Abstract: The present invention provides a compound of formula (I) or a prodrug thereof useful for treating or preventing irritable bowel syndrome, and a composition comprising the compound as an active ingredient. Also, the present invention provides a method for treating or preventing irritable bowel syndrome, which comprises administrating a therapeutically or prophylactically effective amount of the compound or the composition to a subject in need of treating or preventing irritable bowel syndrome.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 31, 2014
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Won suk Sun, Hyo Jin Jeon, Dongsun Min, Woongsik Kim, Taeksu Kim, Do-Seung Kum, Keun-Ho Ryu, Hae-In Rhee, Yang Hae Park, Hyun-Joo Son, Eun-ju Park, Bong-yong Lee, Hojin Namgung, Minseok Park, Minseok Kang
  • Publication number: 20140194501
    Abstract: The present invention relates to a pharmaceutical or cosmetic composition and a method for promoting eyelash growth, wherein nipradilol or pharmaceutically or cosmetically acceptable salts thereof are used as active ingredients. The composition of the invention may comprise prostaglandin F2? analogues.
    Type: Application
    Filed: June 8, 2012
    Publication date: July 10, 2014
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Sang-hwan Kang, Keun-Ho Ryu, DongChul Shin, Bong-yong Lee
  • Publication number: 20140187775
    Abstract: Disclosed is a composition effective in reducing skin wrinkles. The composition comprises a phosphodiesterase 5 (PDE5) inhibitor, preferably the compound of chemical formula 1, more preferably, mirodenafil as an active ingredient. Further disclosed is a method for reducing skin wrinkles using the composition.
    Type: Application
    Filed: March 7, 2014
    Publication date: July 3, 2014
    Applicant: SK Chemicals Co., Ltd.
    Inventors: Soo-Min Lee, Sooheun Lee, Keun-Ho Ryu, Bong-Yong Lee, Jae-Sun Kim, Jung-Hoon Oh, Ye-Ji Jeon