Patents by Inventor Hak Cheol Kwon

Hak Cheol Kwon 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: 11285186
    Abstract: Provided are a pharmaceutical composition including a Crepidiastrum denticulatum extract as an active ingredient; and a method for preventing or treating ischemia-reperfusion injury in a subject by using a food composition or the pharmaceutical composition.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 29, 2022
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Chu Won Nho, Hak Cheol Kwon, Ji-Hye Yoo, Jaeyoung Kwon, Jin Soo Park, Hyuk-Jai Jang, Seong-Su Kim, Cheon Soo Park, Hwa-Mi Lee, Hee Ju Lee
  • Publication number: 20210393723
    Abstract: Provided are methods of reducing and killing bacteria and fungi, and photodynamic treatment methods and sterilization methods using the methods of reducing and killing bacteria and fungi. The method of reducing and killing bacteria and fungi includes bringing a composition including a Ligularia fischeri extract or a fraction thereof as an active ingredient into contact with cells or tissues of a subject and irradiating cells or tissues of a subject in contact with the composition with an absorbable wavelength of excitation light.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 23, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyungsu KANG, Jae Young KWON, Hak Cheol KWON, Jin Chul KIM, Jin Soo PARK, Ho Seong HWANG, Seemi Tasnim ALAM
  • Publication number: 20210338759
    Abstract: The present invention relates to a pharmaceutical composition for prevention or treatment of an allergic disease comprising a mixed extract of two or more selected from the group consisting of Asiasarum root, Platycodon root, and Cinnamomi ramulus as an active ingredient; a method for prevention or treatment of an allergic disease using the pharmaceutical composition; and a health functional food and a feed composition for improvement of an allergic disease. The composition provided in the present invention comprising a mixed extract of two or more selected from the group consisting of Asiasarum root, Platycodon root, and Cinnamomi ramulus as an active ingredient can specifically inhibit the differentiation of Th2 cells and thus can be effectively used as a composition for prevention or treatment of an allergic disease.
    Type: Application
    Filed: May 28, 2019
    Publication date: November 4, 2021
    Inventors: Hyun Ok YANG, Keon Wook KANG, Sung Won KWON, Jeong Hill PARK, Hocheol KIM, Myung Sook OH, Dae Sik JANG, Doheon LEE, Hak Cheol KWON, Byung Hwa JUNG
  • Publication number: 20210284677
    Abstract: Provided are astersaponin I, which is a novel triterpene saponin derivative isolated and identified from a Aster koraiensis Nakai (Korean starwort) extract, and a use thereof for preventing or treating a neurodegenerative disorder.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 16, 2021
    Inventors: Hyun Ok YANG, Hak Cheol KWON, Li Jun ZHANG, Jaeyoung KWON, Kee Beom KO
  • Publication number: 20190381122
    Abstract: Provided are a pharmaceutical composition including a Crepidiastrum denticulatum extract as an active ingredient; and a method for preventing or treating ischemia-reperfusion injury in a subject by using a food composition or the pharmaceutical composition.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Chu Won NHO, Hak Cheol KWON, Ji-Hye YOO, Jaeyoung KWON, Jin Soo PARK, Hyuk-Jai JANG, Seong-Su KIM, Cheon Soo PARK, Hwa-Mi LEE, Hee Ju LEE
  • Publication number: 20180085414
    Abstract: Provided are a pharmaceutical composition including a Crepidiastrum denticulatum extract as an active ingredient; and a method for preventing or treating ischemia-reperfusion injury in a subject by using a food composition or the pharmaceutical composition.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
    Inventors: Chu Won NHO, Hak Cheol KWON, Ji-Hye YOO, Jaeyoung KWON, Jin Soo PARK, Hyuk-Jai JANG, Seong-Su KIM, Cheon Soo PARK, Hwa-Mi LEE, Hee Ju LEE
  • Patent number: 9650325
    Abstract: Provided are a novel compound, preparing method thereof, and use thereof as inhibitor of histone demethylase. The compound represented by Chemical Formula 1 has activity which inhibits histone demethylase and thus is capable of specifically and effectively inhibit activity of histone demethylase.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: May 16, 2017
    Assignees: SNU R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Chan Oh, Seong-Hwan Kim, Jongheon Shin, Hak Cheol Kwon, So Hee Kwon
  • Patent number: 9650355
    Abstract: The present disclosure relates to a novel method for preparing an arylnaphthalene lignan compound. In synthesis of arylnaphthalene lignan compounds and derivatives according to the present disclosure, a naphthalene backbone may be constructed first and an aryl group may be introduced at the final stage. Through this, various kinds of derivatives that could not be prepared from the existing methods can be synthesized effectively. Further, the synthesis method according to the present disclosure is appropriate for large-scale production.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: May 16, 2017
    Assignee: Korea Institute of Science and Technology
    Inventors: Jungyeob Ham, Tae Jung Kim, Hak Cheol Kwon, Kyu Hyuk Jeong, Jungho Song, Bong Chul Chung
  • Publication number: 20170056461
    Abstract: The present disclosure relates to a composition which comprises Centipede minima as an active ingredient. The composition of the present disclosure exhibits an effect of protecting neuronal cells from oxidative stress and inhibiting apoptosis of neuronal cells. In addition, the composition can increase expression of antioxidant enzymes which inhibit cellular apoptosis caused by increased oxidative stress in cells. Accordingly, the composition of the present disclosure can exhibit an effect of preventing, improving or treating secondary diseases that may be caused by apoptosis of neuronal cells due to oxidative stress and can be used as a pharmaceutical or food composition.
    Type: Application
    Filed: August 22, 2016
    Publication date: March 2, 2017
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Wook LEE, Ju Young LEE, Jin Soo PARK, Jin Wook CHA, Hak Cheol KWON, Su-Nam KIM, Byung Hun UM
  • Patent number: 9265806
    Abstract: A pharmaceutical composition and a food composition including extracts of Monsonia sp. for treating dementia, which compositions inhibit the formation of ?-amyloid, and a method of preparing the extracts.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: February 23, 2016
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, CSIR
    Inventors: Hyun Ok Yang, Sung-Kwon Chung, Hak Cheol Kwon, Jin Wook Cha, Vinesh Jaichand Maharaj, Rudzani Nthambeleni, Dashnie Naidoo, Young-Joo Kim, Jungyeob Ham, Jeremiah Senabe, Gerda Fouche, Eric Khorombi, Joon Ki Kim
  • Patent number: 9211278
    Abstract: Composition and method for preventing and/or treating dementia and ameliorating memory impairment and/or improving memory, comprising one or more arylnaphthalene lignan derivatives, namely Justicidin A, 5-methoxyjusticidin A, Chinensinaphthol, and a pharmaceutically-acceptable salt thereof, as active ingredient.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: December 15, 2015
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, CSIR
    Inventors: Hyun Ok Yang, Sung-Kwon Chung, Hak Cheol Kwon, Jin Wook Cha, Young-Joo Kim, Gerda Fouche, Rudzani Nthambeleni, Dashnie Naidoo, Jeremiah Senabe, Vinesh Jaichand Maharaj, Eric Khorombi, Jungyeob Ham, Joon Ki Kim
  • Publication number: 20150336938
    Abstract: The present disclosure relates to a novel method for preparing an arylnaphthalene lignan compound. In synthesis of arylnaphthalene lignan compounds and derivatives according to the present disclosure, a naphthalene backbone may be constructed first and an aryl group may be introduced at the final stage. Through this, various kinds of derivatives that could not be prepared from the existing methods can be synthesized effectively. Further, the synthesis method according to the present disclosure is appropriate for large-scale production.
    Type: Application
    Filed: January 28, 2014
    Publication date: November 26, 2015
    Applicant: Korea Institute of Science and Technology
    Inventors: Jungyeob HAM, Tae Jung KIM, Hak Cheol KWON, Kyu Hyuk JEONG, Jungho SONG, Bong Chul CHUNG
  • Patent number: 9132160
    Abstract: A method of preventing or alleviating alcohol hangover, which comprises administering one or more selected from the group consisting of Sophora flavescens extracts, dried products of the extracts, and concentrates of the extracts to a subject in need of preventing or alleviating alcohol hangover is provided.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: September 15, 2015
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun Ok Yang, Hak Cheol Kwon, Joon Ki Kim, Jin Wook Cha, Young-Joo Kim, Jungyeob Ham
  • Patent number: 9044501
    Abstract: Provided are novel use of an extract of Lycoris chejuensis or a compound isolated therefrom for inhibition of ?-amyloid production and/or prevention, improvement and/or treatment of a neurodegenerative disease, more specifically a ?-amyloid production inhibitor, and/or a composition for prevention or treatment of a neurodegenerative disease containing one or more kinds selected from the group consisting of an extract of Lycoris chejuensis, and/or dihydrolycoricidine, 2-methoxypancracine, lycoricidine, and/or lycoricidinol, as an active ingredient; a method for inhibiting ?-amyloid production, and/or preventing and/or treating a neurodegenerative disease using the same; and, a method for preparing the same.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 2, 2015
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-Ok Yang, Hak-Cheol Kwon, Jin-Soo Park, Sung-Kwon Chung, Myung-Soo Kim
  • Patent number: 9040102
    Abstract: This disclosure relates to a composition for prevention or treatment of neurodegenerative disease comprising longan arillus extract, or combined extract comprising longan arillus. The composition exhibits remarkably excellent prevention or treatment effect of neurodegenerative disease by containing longan arillus extract or combined extract comprising longan arillus, and particularly, it may effectively prevent or treat neurodegenerative disease by significantly protecting dopaminergic neurons from neurotoxicity due to MPTP selectively acting on dopaminergic nervous system and neurotoxicity due to aggregation of alpha-synuclein proteins.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: May 26, 2015
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-Ok Yang, Na-Young Bae, Hak-Cheol Kwon, Sung-Kwon Chung, Myung-Sook Oh
  • Publication number: 20150133564
    Abstract: Provided are a novel compound, preparing method thereof, and use thereof as inhibitor of histone demethylase. The compound represented by Chemical Formula 1 has activity which inhibits histone demethylase and thus is capable of specifically and effectively inhibit activity of histone demethylase.
    Type: Application
    Filed: April 2, 2014
    Publication date: May 14, 2015
    Applicants: SNU R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Chan OH, Seong-Hwan KIM, Jongheon SHIN, Hak Cheol KWON, So Hee KWON
  • Publication number: 20140088186
    Abstract: A composition for preventing and/or treating dementia and ameliorating memory impairment and/or improving memory, comprising one or more arylnaphthalene lignan derivatives, such as Justicidin A, 5-methoxyjusticidin A, Chinensinaphthol, and a pharmaceutically-acceptable salt thereof, as active ingredient.
    Type: Application
    Filed: September 25, 2013
    Publication date: March 27, 2014
    Applicants: The Council for Scientific and Industrial Research, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun Ok Yang, Sung-Kwon Chung, Hak Cheol Kwon, Jin Wook Cha, Young-Joo Kim, Gerda Fouche, Rudzani Nthambeleni, Dashnie Naidoo, Jeremiah Senabe, Vinesh Jaichand Maharaj, Eric Khorombi, Jungyeob Ham, Joon Ki Kim
  • Publication number: 20140087008
    Abstract: The present invention relates to a pharmaceutical composition for preventing and/or treating dementia comprising extracts of Monsonia sp.; a food composition for preventing and/or improving dementia comprising extracts of Monsonia sp.; and a method of preparing an extract of Monsonia sp. with excellent inhibitory effect on the formation of ?-amyloid. The plant extract can inhibit the formation of ?-amyloid which has been known as a factor causing the dementia, especially Alzheimer's disease, thereby being used for preventing, improving and/or treating the dementia.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 27, 2014
    Applicants: COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH (CSIR), KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun Ok YANG, Sung-Kwon CHUNG, Hak Cheol KWON, Jin Wook CHA, Vinesh Jaichand MAHARAJ, Rudzani NTHAMBELENI, Dashnie NAIDOO, Young-Joo KIM, Jungyeob HAM, Jeremiah SENABE, Gerda FOUCHE, Eric KHOROMBI, Joon Ki KIM
  • Publication number: 20130261147
    Abstract: There is provided use of Lycoris aurea extracts, and/or fractions thereof, and/or lycoricidine and lycoricidinol separated from the extracts or fractions for prevention and/or treatment of dementia.
    Type: Application
    Filed: August 27, 2010
    Publication date: October 3, 2013
    Applicants: HUAZHONG UNIVERSITY OF SCIENCE & TECHNOLOGY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun Ok Yang, Hak Cheol Kwon, Jin-Soo Park, Sung-Kwon Chung, ZhiZou Wu, Hanli Ruan, Huifang Pi, Peng Zhang
  • Publication number: 20110318435
    Abstract: This disclosure relates to a composition for prevention or treatment of neurodegenerative disease comprising longan arillus extract, or combined extract comprising longan arillus. The composition exhibits remarkably excellent prevention or treatment effect of neurodegenerative disease by containing longan arillus extract or combined extract comprising longan arillus, and particularly, it may effectively prevent or treat neurodegenerative disease by significantly protecting dopaminergic neurons from neurotoxicity due to MPTP selectively acting on dopaminergic nervous system and neurotoxicity due to aggregation of alpha-synuclein proteins.
    Type: Application
    Filed: February 22, 2011
    Publication date: December 29, 2011
    Applicant: Korea Institute of Science and Technology
    Inventors: Hyun-Ok YANG, Na-Young BAE, Hak-Cheol KWON, Sung-Kwon CHUNG, Myung-Sook OH