Patents by Inventor Cheol-Kyu Han

Cheol-Kyu Han 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: 9559528
    Abstract: An active balancing control apparatus and method with an active balancing algorithm to charge and discharge a plurality of batteries connected in series. The active balancing control apparatus may be designed to simultaneously charge and discharge a plurality of batteries, connected in series and having different charge/discharge characteristics, using an active balancing circuit. The apparatus may perform switching to achieve balancing of each of the batteries so that all the batteries may be charged at a maximum voltage.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: January 31, 2017
    Assignees: HBL CORPORATION, LG CNS CO., LTD.
    Inventors: Jeong Moog Kim, Hwan Hee Lee, Tae Hyoung Ryu, Dong Hoon Shin, Cheol Kyu Han
  • Patent number: 9464044
    Abstract: The present invention relates to a novel compound or a pharmaceutically acceptable salt thereof inhibiting 11?-HSD1 enzyme activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. Since the compound of the present invention selectively inhibits the activity of 11?-HSD1 (11?-Hydroxysteroid dehydrogenase type 1), the compound of the invention can be effectively used as a therapeutic agent for the treatment of diseases caused by the over-activation of 11?-HSD1 such as non-insulin dependent type II diabetes, insulin resistance, obesity, lipid disorder, metabolic syndrome, and other diseases or condition mediated by the excessive activity of glucocorticoid.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: October 11, 2016
    Assignees: AHN-GOOK PHARMACEUTICAL CO., LTD., BAMICHEM CO., LTD, INCHEON UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Soon Kil Ahn, Jin Auh, Nam Song Choi, Chang Kyun Han, Tae-Jeong Kim, Kamsa Pae, Young June Shin, Dong-Oh Han, Cheol Kyu Han
  • Patent number: 9455578
    Abstract: An algorithm and a direct current (DC) microgrid charge/discharge system with the algorithm are provided that noticeably increases charge/discharge voltage during charging and discharging by connecting a plurality of secondary batteries in series, compared to a single battery, that increases power conversion efficiency of a DC-to-DC (DC/DC) converter for charge/discharge power control by setting an appropriate voltage of a DC microgrid to be about twice a maximum voltage of a battery group, that enables charging and discharging to be stably performed regardless of a change in the battery group by adding a linear constant current source, that increases power conversion efficiency of the DC microgrid charge/discharge system by configuring a DC energy storage system (ESS) used for both charging and discharging with a combination of a typical electrolytic condenser and a super condenser or a group of the secondary batteries, and that simplifies the DC microgrid charge/discharge system.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: September 27, 2016
    Assignees: HBL CORPORATION, LG CNS CO., LTD.
    Inventors: Jeong Moog Kim, Hwan Hee Lee, Tae Hyoung Ryu, Dong Hoon Shin, Cheol Kyu Han
  • Patent number: 9291681
    Abstract: A monitoring apparatus and method of a battery contact point that autonomously measures contact resistances of a contact terminal for directly connecting a battery for charging/discharging and a circuit in a charge/discharge apparatus for charging/discharging a single secondary battery or a plurality of secondary batteries in series.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: March 22, 2016
    Assignees: LG CNS CO., LTD, HBL CORPORATION
    Inventors: Jeong Moog Kim, Hwan Hee Lee, Tae Hyoung Ryu, Dong Hoon Shin, Cheol Kyu Han
  • Publication number: 20150210635
    Abstract: The present invention relates to a novel compound or a pharmaceutically acceptable salt thereof inhibiting 11?-HSD1 enzyme activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. Since the compound of the present invention selectively inhibits the activity of 11?-HSD1 (11?-Hydroxysteroid dehydrogenase type 1), the compound of the invention can be effectively used as a therapeutic agent for the treatment of diseases caused by the over-activation of 11?-HSD1 such as non-insulin dependent type II diabetes, insulin resistance, obesity, lipid disorder, metabolic syndrome, and other diseases or condition mediated by the excessive activity of glucocorticoid.
    Type: Application
    Filed: June 4, 2013
    Publication date: July 30, 2015
    Inventors: Soon Kil Ahn, Jin Auh, Nam Song Choi, Chang Kyun Han, Tae-Jeong Kim, Kamsa Pae, Young June Shin, Dong-Oh Han, Cheol Kyu Han
  • Publication number: 20140340044
    Abstract: An active balancing control apparatus and method with an active balancing algorithm to charge and discharge a plurality of batteries connected in series. The active balancing control apparatus may be designed to simultaneously charge and discharge a plurality of batteries, connected in series and having different charge/discharge characteristics, using an active balancing circuit. The apparatus may perform switching to achieve balancing of each of the batteries so that all the batteries may be charged at a maximum voltage.
    Type: Application
    Filed: May 15, 2014
    Publication date: November 20, 2014
    Applicants: HBL CORPORATION, LG CNS CO., LTD.
    Inventors: Jeong Moog KIM, Hwan Hee LEE, Tae Hyoung RYU, Dong Hoon SHIN, Cheol Kyu HAN
  • Publication number: 20140340092
    Abstract: A monitoring apparatus and method of a battery contact point that autonomously measures contact resistances of a contact terminal for directly connecting a battery for charging/discharging and a circuit in a charge/discharge apparatus for charging/discharging a single secondary battery or a plurality of secondary batteries in series.
    Type: Application
    Filed: May 15, 2014
    Publication date: November 20, 2014
    Applicants: HBL Corporation, LG CNS CO., LTD.
    Inventors: Jeong Moog KIM, Hwan Hee LEE, Tae Hyoung RYU, Dong Hoon SHIN, Cheol Kyu HAN
  • Publication number: 20140292259
    Abstract: An algorithm and a direct current (DC) microgrid charge/discharge system with the algorithm are provided that noticeably increases charge/discharge voltage during charging and discharging by connecting a plurality of secondary batteries in series, compared to a single battery, that increases power conversion efficiency of a DC-to-DC (DC/DC) converter for charge/discharge power control by setting an appropriate voltage of a DC microgrid to be about twice a maximum voltage of a battery group, that enables charging and discharging to be stably performed regardless of a change in the battery group by adding a linear constant current source, that increases power conversion efficiency of the DC microgrid charge/discharge system by configuring a DC energy storage system (ESS) used for both charging and discharging with a combination of a typical electrolytic condenser and a super condenser or a group of the secondary batteries, and that simplifies the DC microgrid charge/discharge system.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicants: HBL CORPORATION, LG CNS CO., LTD.
    Inventors: Jeong Moog KIM, Hwan Hee LEE, Tae Hyoung RYU, Dong Hoon SHIN, Cheol Kyu HAN
  • Patent number: 7816351
    Abstract: Disclosed herein are 5,?-dimethylthieno[2,3-d]pyrimidine derivatives useful as antiviral agents. More particularly, disclosed are 5,?-dimethylthieno[2,3-djpyrimidine derivatives represented by Formula 1, having an excellent inhibitory effect on the proliferation of hepatitis C virus (HCV), pharmaceutically acceptable salts thereof, a preparation method thereof, and a pharmaceutical composition for the prevention and treatment of hepatitis C virus (HCV), containing, as active ingredients, these compounds. The 5,6-dimethylthieno[2,3-d]pyrimidine derivatives represented by Formula 1 have an excellent effect of inhibiting the proliferation of hepatitis C virus and also have low toxicity. Thus, these compounds are available as agents for the prevention and treatment of hepatitis C.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: October 19, 2010
    Assignee: Equispharm Co., Ltd
    Inventors: Cheol Kyu Han, Jeonghyeok Yoon, Nam-Doo Kim, Jin-ah Kim
  • Publication number: 20080234482
    Abstract: Disclosed herein are 5,?-dimethylthieno[2,3-d]pyrimidine derivatives useful as antiviral agents. More particularly, disclosed are 5,?-dimethylthieno[2,3-djpyrimidine derivatives represented by Formula 1, having an excellent inhibitory effect on the proliferation of hepatitis C virus (HCV), pharmaceutically acceptable salts thereof, a preparation method thereof, and a pharmaceutical composition for the prevention and treatment of hepatitis C virus (HCV), containing, as active ingredients, these compounds. The 5,6-dimethylthieno[2,3-d]pyrimidine derivatives represented by Formula 1 have an excellent effect of inhibiting the proliferation of hepatitis C virus and also have low toxicity. Thus, these compounds are available as agents for the prevention and treatment of hepatitis C.
    Type: Application
    Filed: September 23, 2005
    Publication date: September 25, 2008
    Applicant: EQUISPHARM CO., LTD
    Inventors: Cheol Kyu Han, Jeonghyeok Yoon, Nam-Doo Kim, Jin-ah Kim
  • Publication number: 20070149613
    Abstract: The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angiogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a therapeutic agent against cancer and other various inflammatory diseases such as rheumatic disease, psoriasis, etc., and diabetic retinopathy related to angiogenesis, and also a method for preparing the same.
    Type: Application
    Filed: November 21, 2006
    Publication date: June 28, 2007
    Inventors: Cheol-Kyu Han, Jeong-Hyeok Yoon, Seung-Moak Kim, Nam-Doo Kim, Byung-Ha Chang, Jee-Young Lee, Tae-Bo Sim
  • Publication number: 20060276512
    Abstract: The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angiogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a therapeutic agent against cancer and other various inflammatory diseases such as rheumatic disease, psoriasis, etc., and diabetic retinopathy related to angiogenesis, and also a method for preparing the same.
    Type: Application
    Filed: July 26, 2006
    Publication date: December 7, 2006
    Inventors: Cheol-Kyu Han, Jeong-Hyeok Yoon, Seung-Moak Kim, Nam-Doo Kim, Byung-Ha Chang, Jee-Young Lee, Tae-Bo Sim
  • Patent number: 7087768
    Abstract: The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angeogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a therapeutic agent against cancer and other various inflammatory diseases such as rheumatic disease, psoriasis, etc., and diabetic retinopathy related to angeogeneois, and also a method for preparing the same.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: August 8, 2006
    Assignee: Equispharm Co., Ltd.
    Inventors: Cheol-Kyu Han, Jeong-Hyeok Yoon, Seung-Moak Kim, Nam-Doo Kim, Byung-Ha Chang, Jee-Young Lee, Tae-Bo Sim
  • Publication number: 20040242681
    Abstract: The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angeogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a therapeutic agent against cancer and other various inflammatory diseases such as rheumatic disease, psoriasis, etc., and diabetic retinopathy related to angeogeneois, and also a method for preparing the same.
    Type: Application
    Filed: March 23, 2004
    Publication date: December 2, 2004
    Inventors: Cheol-Kyu Han, Jeong-Hyeok Yoon, Seung-Moak Kim, Nam-Doo Kim, Byung-Ha Chang, Jee-Young Lee, Tae-Bo Sim
  • Patent number: 6063812
    Abstract: Compounds useful as angiogenesis inhibiting agents and processes for their preparation are disclosed. In one embodiment, the compounds of the invention are represented by Formula 1: ##STR1## Also disclosed is a pharmaceutical composition for inhibiting angiogenesis in a mammal, said composition comprising a compound of Formula 1, or a pharmaceutically acceptable salt thereof, as an active ingredient.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: May 16, 2000
    Assignee: Chong Kun Dang Corporation
    Inventors: Chung Il Hong, Jung Woo Kim, Sang Joon Lee, Soon Kil Ahn, Nam Song Choi, Ryung Kee Hong, Hyoung Sik Chun, Seung Kee Moon, Cheol Kyu Han