Patents by Inventor Wan Yi Li

Wan Yi Li 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: 20220265753
    Abstract: The present invention relates to a method of preventing or alleviating symptoms of andropause comprising administering a pharmaceutically effective amount of an extract of Ficus auriculata Lour. To a patient in need thereof. The extract of Ficus auriculata Lour. of the present invention exhibits the effect of preventing and alleviating erectile dysfunction by inhibiting the activity of PDE5, and the effect of preventing and alleviating prostatic hyperplasia by suppressing the expression of AR and PSA.
    Type: Application
    Filed: May 16, 2022
    Publication date: August 25, 2022
    Inventors: Young Bae RYU, Sang Woo Lee, Sang Ho Choi, Ji Young Park, Hyung Jun Kwon, In Chul Lee, Jong Sub Lee, Woo Song Lee, Wan Yi Li
  • Publication number: 20220000957
    Abstract: The present invention relates to a pharmaceutical composition, food composition, and food additive for preventing or alleviating symptoms of andropause containing extract of Ficus auriculata Lour. as an active ingredient. The extract of Ficus auriculata Lour. of the present invention exhibits the effect of preventing and alleviating erectile dysfunction by inhibiting the activity of PDE5, and the effect of preventing and alleviating prostatic hyperplasia by suppressing the expression of AR and PSA. Therefore, the extract of Ficus auriculata Lour. of the present invention may be usefully used as an active ingredient of a pharmaceutical composition, food composition, and food additive for alleviating symptoms of andropause.
    Type: Application
    Filed: October 8, 2019
    Publication date: January 6, 2022
    Inventors: Young Bae RYU, Sang Woo LEE, Sang Ho CHOI, Ji Young PARK, Hyung Jun KWON, In Chul LEE, Jong Sub LEE, Woo Song LEE, Wan Yi LI
  • Publication number: 20210353704
    Abstract: A Maclura pubescens extract or fraction or a Prunus cerasoides extract or fraction having neuroglobin (Ngb) activation and neuroprotective effects and, on the basis thereof, a neuroprotective composition containing, as an active ingredient, a Maclura pubescens extract or fraction or a Prunus cerasoides extract or fraction. The neuroprotective composition can be used, through the activation of neuroglobin (Ngb), as a pharmaceutical composition or a food composition for treatment, alleviation and prevention of a stroke, a cerebral infarction, thrombosis, cerebral degenerative disease, vascular dementia, memory loss, short-term memory impairment, a concentration disorder, anxiety, nervousness and the like, and for brain damage protection, brain function improvement and cranial nerve cell protection.
    Type: Application
    Filed: June 10, 2019
    Publication date: November 18, 2021
    Inventors: Yun Seon SONG, Min Sun CHANG, So Dam KIM, Da Sol LIM, You Jung YUN, Su Min KANG, Sang Ho CHOI, Sang Mi EUM, Soo Yong KIM, Jin Hyub PAIK, Seo Hea KIM, Na Kyung LEE, Youn In KIM, Sang Woo LEE, Hang JIN, Wan Yi LI
  • Patent number: 10751378
    Abstract: The present invention relates to a composition for suppressing chronic obstructive pulmonary disease (COPD) comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom and, more particularly, to a pharmaceutical composition for preventing or treating COPD comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom; a food composition for preventing or improving COPD, and the compound isolated therefrom. The composition comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom, according to the present invention, is not toxic, suppresses the invasion of inflammatory cells into the bronchial tube of a COPD-induced animal model, and effectively suppresses the expression of CXCL-1, TNF-?, or MIP-2.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: August 25, 2020
    Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Sei Ryang Oh, Kyung Seop Ahn, Seung Hyung Kim, In Sik Shin, Hang Jin, Jung Hee Kim, Hyung Won Ryu, Wan Yi Li, Sang Woo Lee, Joong Ku Lee, Sang Ho Choi
  • Patent number: 10406187
    Abstract: The present invention relates to a pharmaceutical composition and a food composition containing Portulaca grandiflora Hook. extract or a fraction thereof as an active ingredient for preventing, treating or ameliorating neuroinflammation or neuro-degenerative diseases. The Portulaca grandiflora Hook. extract or a fraction thereof according to the present invention is derived from a natural product which has been in use as a natural medicinal ingredient, and as such, has no side effects and inhibits expression of NO, PGE2, iNOS and/or COX-2 genes or protein, which are factors associated with inflammation, and is additionally superbly effective for increasing and improving memory and the ability to learn, and thus can be beneficially used to prevent or treat neuroinflammation or neuro-degenerative diseases.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: September 10, 2019
    Assignees: Research Business Foundation Sungkyunkwan University, Korea Research Institute of Bioscience and Biotechnology
    Inventors: Choon Gon Jang, Seung Hwan Kwon, Sang Ho Choi, Wan Yi Li, Sang-Woo Lee, Sei-Ryang Oh, Hang Jin, Hyung Won Ryu
  • Publication number: 20180125903
    Abstract: The present invention relates to a pharmaceutical composition and a food composition containing Portulaca grandiflora Hook. extract or a fraction thereof as an active ingredient for preventing, treating or ameliorating neuroinflammation or neuro-degenerative diseases. The Portulaca grandiflora Hook. extract or a fraction thereof according to the present invention is derived from a natural product which has been in use as a natural medicinal ingredient, and as such, has no side effects and inhibits expression of NO, PGE2, iNOS and/or COX-2 genes or protein, which are factors associated with inflammation, and is additionally superbly effective for increasing and improving memory and the ability to learn, and thus can be beneficially used to prevent or treat neuroinflammation or neuro-degenerative diseases.
    Type: Application
    Filed: August 27, 2015
    Publication date: May 10, 2018
    Applicants: RESEARCH BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, KOREA RESEARCHINSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Choon Gon JANG, Seung Hwan KWON, Sang Ho CHOI, Wan Yi LI, Sang-Woo LEE, Sei-Ryang OH, Hang JIN, Hyung Won RYU
  • Publication number: 20170035822
    Abstract: The present invention relates to a composition for suppressing chronic obstructive pulmonary disease (COPD) comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom and, more particularly, to a pharmaceutical composition for preventing or treating COPD comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom; a food composition for preventing or improving COPD, and the compound isolated therefrom. The composition comprising a Pistacia weinmannifolia extract, a fraction thereof, or a compound isolated therefrom, according to the present invention, is not toxic, suppresses the invasion of inflammatory cells into the bronchial tube of a COPD-induced animal model, and effectively suppresses the expression of CXCL-1, TNF-?, or MIP-2.
    Type: Application
    Filed: April 17, 2015
    Publication date: February 9, 2017
    Inventors: Sei Ryang OH, Kyung Seop AHN, Seung Hyung KIM, In Sik SHIN, Hang JIN, Jung Hee KIM, Hyung Won RYU, Wan Yi LI, Sang Woo LEE, Joong Ku LEE, Sang Ho CHOI
  • Patent number: 8883226
    Abstract: A pharmaceutical composition for the prevention and treatment of inflammatory disease or asthma comprising the extract of Decaspermum fruticosum as an active ingredient. The extract of Decaspermum fruticosum of the present invention inhibited the increase of eosinophils in bronchoalveolar lavage fluid of the ovalbumin induced asthma animal model, had the activity of inhibiting the secretions of immunoglobulin and chemokine (Eotaxin) in bronchoalveolar lavage fluid and blood, and inhibited the secretions of NO and TNF-? in macrophages. Therefore, the extract of Decaspermum fruticosum of the present invention can be effectively used as an active ingredient of a pharmaceutical composition for the prevention and treatment of inflammatory disease or asthma, and of a health functional food for the prevention and improvement of inflammatory disease or asthma.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: November 11, 2014
    Assignee: Korea Institute of Oriental Medicine
    Inventors: Sei Ryang Oh, Kyung Seop Ahn, Ok-Kyoung Kwon, Hyeong Kyu Lee, Joongku Lee, Hyouk Joung, Mee-Young Lee, Hwa-Young Son, Kyoung-youl Lee, Sang Woo Lee, Hang Jin, Wan Yi Li
  • Publication number: 20130323331
    Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of inflammatory disease or asthma comprising the extract of Decaspermum fruticosum as an active ingredient. The extract of Decaspermum fruticosum of the present invention inhibited the increase of eosinophils in bronchoalveolar lavage fluid of the ovalbumin-induced asthma animal model, had the activity of inhibiting the secretions of immunoglobulin and chemokine (Eotaxin) in bronchoalveolar lavage fluid and blood, and inhibited the secretions of NO and TNF-? in macrophages. Therefore, the extract of Decaspermum fruticosum of the present invention can be effectively used as an active ingredient of a pharmaceutical composition for the prevention and treatment of inflammatory disease or asthma, and of a health functional food for the prevention and improvement of inflammatory disease or asthma.
    Type: Application
    Filed: February 7, 2012
    Publication date: December 5, 2013
    Applicant: KOREA INSTITUTE OF ORIENTAL MEDICINE
    Inventors: Sei Ryang Oh, Kyung Seop Ahn, Ok-Kyoung Kwon, Hyeong Kyu Lee, Joongku Lee, Hyouk Joung, Mee-Young Lee, Hwa-Young Son, Kyoung-youl Lee, Sang Woo Lee, Hang Jin, Wan Yi Li