Patents by Inventor Jei Man Ryu

Jei Man 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: 20230132036
    Abstract: The present invention relates to a use of pyronaridine or a pharmaceutically acceptable salt thereof, and/or artemisinin or a derivative thereof for preventing or treating an epidemic RNA viral infectious disease, and more specifically, to a pharmaceutical composition for preventing or treating an epidemic RNA viral infectious disease, in particular, Coronavirus Disease 2019 (COVID-19), the composition comprising a therapeutically effective amount of pyronaridine or a pharmaceutically acceptable salt thereof, and/or artemisinin or a derivative thereof, together with a pharmaceutically acceptable carrier.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 27, 2023
    Inventors: Jei Man RYU, Chung JU, Hyun Kyu CHUNG, Geum Sil CHO
  • Patent number: 10730886
    Abstract: The present invention relates to a novel compound having an effect of inhibiting platelet aggregation and a salt thereof and, more specifically, to: a novel platelet aggregation inhibitor specifically inhibiting shear stress-induced platelet aggregation; a pharmaceutical composition containing the same as an active ingredient; and a preparation method therefor.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: August 4, 2020
    Assignee: Shin Poong Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Dong Won Lee, Kang Hyeok Lee, Jin Hun Park, Geum Sil Cho, Ki Sung Lee, Jin Ho Chung, Woo Ile Park, Jae Young Lee
  • Publication number: 20190015339
    Abstract: The present invention relates to a tablet comprising candesartan or candesartan cilexetil and amlodipine or its pharmaceutically acceptable salt as active ingredients, the tablet using a particular solubilizer in order to significantly improve the stability and dissolution properties of the active ingredients. In addition, the present invention relates to a method of preparing the tablet.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 17, 2019
    Applicant: SHIN POONG PHARMACEUTICAL CO., LTD.
    Inventors: Jei-Man RYU, Woo-Ile PARK, Kyoung-Hwan KANG, Woo-Kyung KIM, Ah-Reum CHAE, Soo-Won KIM, Hyun-Woo JUNG, Jae-Young LEE
  • Publication number: 20180251472
    Abstract: The present invention relates to a novel compound having an effect of inhibiting platelet aggregation and a salt thereof and, more specifically, to: a novel platelet aggregation inhibitor specifically inhibiting shear stress-induced platelet aggregation; a pharmaceutical composition containing the same as an active ingredient; and a preparation method therefor.
    Type: Application
    Filed: September 2, 2016
    Publication date: September 6, 2018
    Applicant: Shin Poong Pharmaceutical Co., Ltd.
    Inventors: Jei Man RYU, Dong Won LEE, Kang Hyeok LEE, Jin Hun PARK, Geum Sil CHO, Ki Sung LEE, Jin Ho CHUNG, Woo Ile PARK, Jae Young LEE
  • Patent number: 9751840
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: September 5, 2017
    Assignee: ARIBIO CO. LTD.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung Kyoo Seong, Jei Man Ryu
  • Publication number: 20160362377
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 15, 2016
    Inventors: Dong Rack CHOI, Jin YANG, Sue Hye YOON, Sung Jae PYUN, Seung Hwan KIM, Seung Kyoo SEONG, Jei Man RYU
  • Patent number: 9452158
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 27, 2016
    Assignee: ARIBIO CO. LTD.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung Kyoo Seong, Jei Man Ryu
  • Publication number: 20150374674
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Application
    Filed: September 3, 2015
    Publication date: December 31, 2015
    Inventors: Dong Rack CHOI, Jin YANG, Sue Hye YOON, Sung Jae PYUN, Seung Hwan KIM, Seung Kyoo SEONG, Jei Man RYU
  • Patent number: 9150576
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 6, 2015
    Assignee: ARIMED, INC.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung Kyoo Seong, Jei Man Ryu
  • Publication number: 20150105558
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Application
    Filed: December 18, 2014
    Publication date: April 16, 2015
    Inventors: Dong Rack CHOI, Jin YANG, Sue Hye YOON, Sung Jae PYUN, Seung Hwan KIM, Seung Kyoo SEONG, Jei Man RYU
  • Patent number: 8952164
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: February 10, 2015
    Assignee: Arimed, Inc.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung Kyoo Seong, Jei Man Ryu
  • Publication number: 20140128610
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Application
    Filed: January 14, 2014
    Publication date: May 8, 2014
    Inventors: Dong Rack CHOI, Jin YANG, Sue Hye YOON, Sung Jae PYUN, Seung Hwan KIM, Seung Kyoo SEONG, Jei Man RYU
  • Patent number: 8664240
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl) -1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: March 4, 2014
    Assignee: Arimed, Inc.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung-Kyoo Seong, Jei Man Ryu
  • Patent number: 8637097
    Abstract: Disclosed is a pharmaceutical composition and health food comprising herb extracts of one or more herbs selected from the group consisting of Puerariae Radix, Bombycis corpus and Araliae Continentalis Radix. The herb medicine of this invention comprising a single or mixed composition may be useful for the prevention and treatment of renal diseases as well as improvement of renal functions.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: January 28, 2014
    Assignee: Dong Wha Pharm. Co., Ltd.
    Inventors: Jei-Man Ryu, Moon-Jung Leem, Yang-Kook Roh, Hwan-Bong Chang, Seong-Jun Oh, Hyun-Yong Lee, Sae-Kwang Ku, Hee-Bog Yang, Jung-Woo Rhee, Yun-Jung Kim, Joo Byoung Yoon
  • Patent number: 8334277
    Abstract: The present invention relates to a novel {4-[2-(dimethylamino)-1-(1-hydroxycyclohexyl)ethyl]phenoxy}phosphate or a pharmaceutically acceptable salt thereof, a production method therefor and a pharmaceutical composition for preventing and treating central nervous system disorders which contains the same as an active component. The novel {4-[2-(dimethylamino)-1-(1-hydroxycyclohexyl)ethyl]phenoxy}phosphate or a pharmaceutically acceptable salt thereof according to the present invention can beneficially be used to prevent and treat central nervous system disorders since it exhibits an equivalent biological and pharmacological activity to venlafaxine and salts thereof which are known in the field, it has very little toxicity, and, in particular, it is outstandingly soluble in water as compared with prior-art venlafaxine derivatives.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: December 18, 2012
    Assignee: JE IL Pharmaceutical Co., Ltd.
    Inventors: Seok Won Kang, Jong Soo Chun, Heung Mo Kang, Eui Seok Hong, Kwang-Woo Chun, Young Seok Byun, Myung-Hwa Kim, Young Il Moon, Jei Man Ryu
  • Patent number: 8324238
    Abstract: Disclosed are aspartic acid salts of 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid, methods for preparing the same, and antimicrobial pharmaceutical compositions comprising the same.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: December 4, 2012
    Assignee: Dong Wha Pharmaceutical Co. Ltd.
    Inventors: Jei Man Ryu, Dong Rack Choi, Jin Yang, Sue Hye Yoon, Seung Hwan Kim, Sae Kwang Ku
  • Patent number: 8242152
    Abstract: This invention relates to a pharmaceutical composition containing 4-[(4-thiazolyl)phenoxyl]alkoxy-benzamidine derivatives expressed by the following formula 1 for the prophylaxis and treatment of osteoporosis and more particularly, to the use of 4-{5-[4-(5-isoproply-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine or N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine expressed by the following formula 1 as a pharmaceutical composition for the prophylaxis and treatment of osteoporosis.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: August 14, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Hong-Suk Suh, Jin Soo Lee, Pan-Soo Kim, Yun-Ha Hwang, Jei Man Ryu, Yong-Ho Chung, Eun-Joo Kim, Do-Hui Kim, Yong-Youp Park
  • Patent number: 8227496
    Abstract: A method of treating osteoporosis comprising administering to a subject a composition comprising a compound, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine or a salt thereof, is described. A method of inhibiting osteoclast activity and stimulating osteoblast activity in a subject also is described.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: July 24, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd
    Inventors: Hong-Suk Suh, Jin Soo Lee, Pan-Soo Kim, Yun-Ha Hwang, Jei Man Ryu, Yong-Ho Chung, Eun-Joo Kim, Do-Hui Kim, Yong-Youp Park
  • Publication number: 20120130075
    Abstract: Disclosed herein are R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt, process for the preparation thereof and pharmaceutical composition comprising the same for antimicrobial. Because the R-7-(3-aminomethyl-4-methoxyimino-3-methyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid and L-aspartic acid salt is more soluble and less toxic and has less side effects as an antimicrobial agent than hydrochloride and the other salts (D-aspartate and phosphate) conventionally used, the salt may be useful for oral and injectable administration.
    Type: Application
    Filed: July 27, 2010
    Publication date: May 24, 2012
    Applicant: ARMED, INC.
    Inventors: Dong Rack Choi, Jin Yang, Sue Hye Yoon, Sung Jae Pyun, Seung Hwan Kim, Seung-Kyoo Seong, Jei Man Ryu
  • Patent number: 8178688
    Abstract: The present invention relates to novel benzamidine derivatives, process for the preparation thereof and pharmaceutical composition comprising the same. The novel benzamidine derivatives of the present invention are useful for the prevention and treatment of osteoporosis, bone fractures and allergic inflammatory diseases.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: May 15, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jin Soo Lee, Seok Hoon Ahn, Young Goo Jin, Sang Mi Jin, Whui-Jung Park, Sae Kwang Ku, Yun Ha Hwang, Pan Soo Kim, Sun Shin Yi, Jei Man Ryu