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: 20120093942
    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: Application
    Filed: December 22, 2011
    Publication date: April 19, 2012
    Applicant: 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
  • Publication number: 20110306641
    Abstract: The present invention relates to a novel 2,6-substituted-3-nitropyridine derivative compound, a method for preparing same, a pharmaceutical composition for prevention and treatment of osteoporosis including same, applications of same for preparing the therapeutic agent of osteoporosis prevention and treatment, and a method for prevention and treatment of osteoporosis using same. The 2,6-substituted-3-nitropyridine derivative compound of the present invention effectively increases osteoblast activity and also inhibits the formation of osteoclasts, so that it may be usefully used for the prevention and treatment of osteoporosis.
    Type: Application
    Filed: December 4, 2009
    Publication date: December 15, 2011
    Inventors: Jei Man Ryu, Jin Soo Lee, Whui Jung Park, Yun Ha Hwang, Ki_Yoon Kim
  • Publication number: 20110306606
    Abstract: The present invention relates to a novel 2,6-substituted-3-nitropyridine derivative compound, a method for preparing the same, and a pharmaceutical composition including the same for prevention and treatment of osteoporosis. The 2,6-substituted-3-nitropyridine derivative compound of the present invention increases osteoblast activity and effectively inhibits the differentiation of osteoclasts, and thus can be usefully used for the prevention and treatment of osteoporosis.
    Type: Application
    Filed: December 4, 2009
    Publication date: December 15, 2011
    Inventors: Jei Man Ryu, Jin Soo Lee, Whui Jung Park, Yun Ha Hwang, Ki Yoon Kim
  • Patent number: 8039635
    Abstract: N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy} benzamidine 2 ethansulfonic acid salt, a process for the preparation thereof, a pharmaceutical composition for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same, and an oral formulation for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same are described.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: October 18, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jin Soo Lee, Soon Ki Cho, Seoung Kyoo Sung, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Ja Hyun Cha, Eun Hee Cho, Jei Man Ryu
  • Patent number: 8008329
    Abstract: The present invention provides a method of treating or preventing osteoporosis comprising administering to a patient in need thereof an effective amount of pharmaceutical composition comprising benzamidine derivative or its salt, and bisphosphonate for the purpose of using simultaneously, separately, or sequentially as active ingredients. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of the benzamidine derivative and the bisphosphonate compound exhibits excellent inhibitory effect on osteoclast differentiation than the total effect of each individual treatment, thereby being used for the prevention or treatment of osteoporosis.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: August 30, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Yun-Ha Hwang, Young G. Jin, Ki Y. Kim
  • Patent number: 7964584
    Abstract: The present invention relates to a pharmaceutical composition for preventing and treating osteoporosis, comprising N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, or salts thereof, and alendronic acid or a salt thereof. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine, or salts thereof and alendronic acid or a salt thereof exhibits excellent inhibitory effect on osteoclast differentiation, as compared to each individual treatment, thereby being useful for the prevention or treatment of osteoporosis.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: June 21, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Jae Hoon Park, Yun-Ha Hwang, Duk Kyun Chung
  • Patent number: 7943646
    Abstract: The present invention relates to a novel benzamidine derivative, a process for the preparation thereof, and a pharmaceutical composition comprising the same. The benzamidine derivative of the present invention effectively inhibits osteoclast differentiation at an extremely low concentration, and greatly increases the trabecular bone volume, and thus it can be advantageously used for the prevention and treatment of osteoporosis.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: May 17, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Young Goo Jin, Ki Young Lee, Jae Hoon Park, Yun Ha Hwang, Sae Kwang Ku
  • Patent number: 7923443
    Abstract: Disclosed herein is a composition for the treatment bone fracture comprising N-hydroxy-4-{5-[4-( 5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxyl-benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl) phenoxy]pentoxy}-benzamidine or pharmaceutically acceptable salts thereof as a medicinally effective ingredient. The composition of the present invention can significantly reduce the volume of bony callus, and increase bony density and strength of bony callus, and decrease the contents of connective tissue and cartilage tissue in bony callus, and thus promote loss and ossification of the bony callus formed during the fracture healing process. Therefore, the composition of the present invention is useful for the treatment of bone fracture.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: April 12, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Sae Kwang Ku, Jung Woo Lee, Hee Bog Yang
  • Publication number: 20110059923
    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: Application
    Filed: May 8, 2009
    Publication date: March 10, 2011
    Applicant: 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 II Moon, Jei Man Ryu
  • Publication number: 20100317853
    Abstract: The present invention relates to a novel imatinib camsylate and a method for preparing the same. Imatinib camsylate according to the present invention has a faster absorption rate and higher absorption concentration in terms of pharmacokinetics, and further has excellent water solubility, as compared to commercially available imatinib mesylate.
    Type: Application
    Filed: February 1, 2008
    Publication date: December 16, 2010
    Inventors: Yoon Seok Oh, Jae Kyung Lim, Dong Hyuk Shin, Seung Kyoo Seong, Sang Ho Lee, Hak Soo Lee, Eun Hee Cho, Jei Man Ryu
  • Publication number: 20100249402
    Abstract: The present invention relates to novel benzamidine derivatives, a process for the preparation thereof and a pharmaceutical composition for preventing or treating osteoporosis comprising the same. The benzamidine derivatives of the present invention effectively inhibit osteoclast differentiation at an extremely low concentration, and thus can be advantageously used for the prevention and treatment of osteoporosis.
    Type: Application
    Filed: July 28, 2008
    Publication date: September 30, 2010
    Applicant: DONG WHA PHARMACEUTICAL CO. LTD.
    Inventors: Jei Man Ryu, Jin Soo Lee, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Dae Yeon Won, Yun-Ha Hwang, Ki Yoon Kim, Sae Kwang Ku
  • Publication number: 20100240890
    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: Application
    Filed: August 4, 2005
    Publication date: September 23, 2010
    Inventors: Jin Soo Lee, Seok Hoon Ahn, Young Goo Jin, Sang Mi Jin, Whui-Jung Park, Sae Kwang Ku, Yu Ha Hwang, Pan Soo Kim, Sun Shin Yi, Jei Man Ryu
  • Publication number: 20100215764
    Abstract: This invention relates to 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: Application
    Filed: January 31, 2006
    Publication date: August 26, 2010
    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
  • Publication number: 20100184795
    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: Application
    Filed: April 14, 2008
    Publication date: July 22, 2010
    Applicant: DONG WHA PHARMACEUTICAL IND. CO. LTD
    Inventors: Jei Man Ryu, Dong Rack Choi, Jin Yang, Sue Hye Yoon, Seung Hwan Kim, Sae Kwang Ku
  • Publication number: 20100160394
    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: Application
    Filed: January 19, 2010
    Publication date: June 24, 2010
    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: 20100120875
    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: Application
    Filed: January 19, 2010
    Publication date: May 13, 2010
    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: 20100113538
    Abstract: N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine 2 ethansulfonic acid salt, a process for the preparation thereof, a pharmaceutical composition for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same, and an oral formulation for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same are described.
    Type: Application
    Filed: April 21, 2008
    Publication date: May 6, 2010
    Applicant: DONG WHA PHARMACEUTICAL CO., LTD.
    Inventors: Jin Soo Lee, Soon Ki Cho, Seoung Kyoo Sung, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Ja Hyun Cha, Eun Hee Cho, Jei Man Ryu
  • Patent number: 7662840
    Abstract: This invention relates to a pharmaceutical composition containing 4-[(4-thiazolyl)phenoxyl]alkoxy-benzamidine derivatives expressed by the following formula 1 for the prevention and treatment of osteoporosis and more particularly, to the use of 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine or N-hydroxy-4-{5-[4-(5-iso-propyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine expressed by the following formula 1, which is known as an antagonist of leukotriene-B4 receptor, as a pharmaceutical composition for the prevention and treatment of osteoporosis. [Formula 1], wherein, R is a hydrogen atom or a hydroxy group.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: February 16, 2010
    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: 20100029596
    Abstract: The present invention provides a method of treating or preventing osteoporosis comprising administering to a patient in need thereof an effective amount of pharmaceutical composition comprising benzamidine derivative or its salt, and bisphosphonate for the purpose of using simultaneously, separately, or sequentially as active ingredients. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of the benzamidine derivative and the bisphosphonate compound exhibits excellent inhibitory effect on osteoclast differentiation than the total effect of each individual treatment, thereby being used for the prevention or treatment of osteoporosis.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 4, 2010
    Applicant: Dong Wha Pharm, Co. Ltd.
    Inventors: Jei Man RYU, Jin Soo Lee, Yun-Ha Hwang, Young G. Jin, Ki Y. Kim
  • Publication number: 20100029595
    Abstract: The present invention relates to a pharmaceutical composition for preventing and treating osteoporosis, comprising N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, or salts thereof, and alendronic acid or a salt thereof. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine, or salts thereof and alendronic acid or a salt thereof exhibits excellent inhibitory effect on osteoclast differentiation, as compared to each individual treatment, thereby being useful for the prevention or treatment of osteoporosis.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 4, 2010
    Applicant: Dong Wha Pharm. Co., Ltd.
    Inventors: Jei Man RYU, Jin Soo LEE, Jae Hoon PARK, Yun-Ha HWANG, Duk Kyun CHUNG