Patents by Inventor Junya Tagashira

Junya Tagashira 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: 9315493
    Abstract: The present invention provides: a compound represented by general formula (I) below, that has both angiotensin II receptor antagonism and a PPAR? activation effect and that is useful as a preventative and/or therapeutic agent for high blood pressure, cardiac disease, arteriosclerosis, type-2 diabetes, and the like; and a drug composition containing the compound. General formula (I) (in the formula: ring A represents a pyridine ring; ring B represents a tetrazole ring or an oxadiazol-5(4H)-one ring; X represents C—R5 or a nitrogen atom; R1 represents an alkyl group; R2 represents an alkyl group or a cycloalkyl group; and R3, R4, and R5 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group or similar.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: April 19, 2016
    Assignee: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Seiichi Sato, Hajime Yamada, Junya Tagashira, Toshiaki Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Patent number: 9045423
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: June 2, 2015
    Assignee: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Publication number: 20140249144
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Patent number: 8791090
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 29, 2014
    Assignee: Kowa Company, Ltd.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Patent number: 8778954
    Abstract: Disclosed are: a novel compound which has both an antagonistic activity on an angiotensin II receptor and a PPAR?-activating activity and is therefore useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, arteriosclerosis, type-2 diabetes, diabetic complications, metabolic syndrome or the like; and a pharmaceutical composition containing the compound.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: July 15, 2014
    Assignee: Kowa Company, Ltd.
    Inventors: Toru Miura, Seiichi Sato, Hajime Yamada, Junya Tagashira, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Patent number: 8664226
    Abstract: Disclosed is a compound which has both an angiotensin-II receptor antagonistic activity and a PPAR? activation activity and is useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, angina pectoris, cerebrovascular disorders, cerebral circulatory disorders, ischemic peripheral circulatory disorders, renal diseases, arteriosclerosis, inflammatory diseases, type-2 diabetes, diabetic complications, insulin resistance syndrome, syndrome X, metabolic syndrome and hyperinsulinemia. [In the formula, A represents a 5- to 10-membered heteroaryl group; R1 and R2 independently represent a C1-6 alkyl group; and each of R3 to R5 is absent or represents H, a halogen atom, OH, NO2, a halo-C1-6 alkyl group, a (substituted) C1-6 alkoxy group, a (substituted) C3-6 cycloalkyloxy group, or a 5- to 10-membered heteroaryl group.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: March 4, 2014
    Assignee: Kowa Company, Ltd.
    Inventors: Toru Miura, Kazuhiro Onogi, Seiichi Sato, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20140011823
    Abstract: The present invention provides: a compound represented by general formula (I) below, that has both angiotensin II receptor antagonism and a PPAR? activation effect and that is useful as a preventative and/or therapeutic agent for high blood pressure, cardiac disease, arteriosclerosis, type-2 diabetes, and the like; and a drug composition containing the compound. General formula (I) (in the formula: ring A represents a pyridine ring; ring B represents a tetrazole ring or an oxadiazol-5(4H)-one ring; X represents C—R5 or a nitrogen atom; R1 represents an alkyl group; R2 represents an alkyl group or a cycloalkyl group; and R3, R4, and R5 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group or similar.
    Type: Application
    Filed: March 13, 2012
    Publication date: January 9, 2014
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Seiichi Sato, Hajime Yamada, Junya Tagashira, Toshiaki Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120322819
    Abstract: Disclosed is novel compound and medicinal formulation containing same, possessing both angiotensin II receptor blocking and PPAR? activation effect, of use as a medicine for prevention and/or treatment of hypertension, heart disease, angina pectoris, cerebrovascular disorder, cerebral circulatory disturbances, post-ischemic peripheral circulatory damage, renal disease, arteriosclerosis, inflammatory disorder, type 2 diabetes, diabetic complications, insulin resistance syndrome, syndrome X, metabolic syndrome and hyperinsulinaemia. Further disclosed is the general formula I (where one or both of R1 and R2 represent a C1-6 alkyl group, R3 represents a C1-6 alkyl group which may contain one or more substituent groups selected from group A, or a C3-8 cycloalkyl group which may contain one or more substituent groups selected from group B.) which represents the compound, and salts thereof, solvates thereof, and medicinal compositions containing any of these.
    Type: Application
    Filed: February 25, 2011
    Publication date: December 20, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Kazuhiro Onogi, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120264753
    Abstract: Disclosed is a novel 1-(biphenyl-4-yl-methyl)-1H-imidazole derivative represented by general formula (I), which has both angiotensin II receptor antagonist activity and PPAR-? activating activity and is useful as a prophylactic and/or therapeutic agent for cardiovascular diseases and metabolic diseases. Also disclosed is a pharmaceutical composition which contains the novel 1-(biphenyl-4-yl-methyl)-1H-imidazole derivative. In general formula (I), ring A represents a group represented by formula (II) or (III); R1 represents a C1-6 alkyl group; R2 represents a C1-6 alkyl group which may be substituted by a hydroxy group, or a group represented by formula —CO—R4 (wherein R4 represents a hydroxy group, a C1-6 alkoxy group, an amino group, a mono(C1-6 alkyl)amino group, a di(C1-6 alkyl)amino group, a morpholino group, a piperidino group or a pyrrolidino group); R3 represents a halogen atom or a C1-6 alkoxy group; and X and Y may be the same or different and each represents a nitrogen atom or CH.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 18, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Hajime Yamada, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Patent number: 8273766
    Abstract: The present invention relates a specific tetrahydroisoquinoline compound which is useful as a chemokine receptor type 3 (CCR3) antagonist, and a pharmaceutical composition comprising the same as an active ingredient. The tetrahydroisoquinoline compound of the present invention is useful for the treatment or prevention of a disease in which CCR3 participates.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: September 25, 2012
    Assignee: Kowa Company, Ltd.
    Inventors: Seiichi Sato, Junya Tagashira, Shunji Takemura, Yoshiharu Miyake, Tetsuya Ishikawa, Toshiharu Arai, Takahiro Ito, Takuya Hara
  • Patent number: 8268789
    Abstract: Compounds represented by the general formula (1) or salts thereof or solvates of both; PAR-2 antagonists containing the compounds; and preventive or therapeutic agents for PAR-2 related diseases containing the antagonists as the active ingredient: (1) wherein R1 is hydrogen, halogeno, or a group represented by the general formula (2): (wherein R11 is straight-chain or branched C1-6 alkylene or the like; and R12 and R13 together with the nitrogen atom adjacent to them form a 5- to 7-membered ring); R2 is straight-chain or branched C1-6 alkyl or the like; R3 and R4 are each independently hydrogen, one to three halogen atoms, or the like; and A1-A2-A3 is a tripeptide residue composed of ?-amino acids each independently selected from the group consisting of glycine, alanine, cyclohexylalanine, and so on.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: September 18, 2012
    Assignee: Kowa Company, Ltd.
    Inventors: Mototsugu Kabeya, Kyoko Yasuoka, Toru Kanke, Hiroyuki Ishiwata, Junya Tagashira
  • Publication number: 20120225896
    Abstract: Disclosed is a novel 2-pyridone derivative represented by general formula (1), which has both angiotensin II receptor antagonist activity and PPAR-? activating activity and is useful as a prophylactic and/or therapeutic agent for cardiovascular diseases and metabolic diseases. Also disclosed is a pharmaceutical composition which contains the novel 2-pyridone derivative. In general formula (1), R1 represents a C1-6 alkyl group or a C1-6 alkoxy group; R2 represents a C1-6 alkyl group or a C3-8 cycloalkyl group; R3 represents a C1-6 alkyl group, a C6-10 aryl-C1-6 alkyl group, a C1-6 alkoxy-C1-6 alkyl group or a group represented by formula (2) (wherein A represents a nitrogen atom or CH, and R5 represents a hydrogen atom or a C1-6 alkoxy group); and R4 represents a group represented by formula (3) or (4).
    Type: Application
    Filed: December 22, 2010
    Publication date: September 6, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Junya Tagashira, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120165353
    Abstract: Disclosed are: a novel compound which has both an antagonistic activity on an angiotensin II receptor and a PPAR?-activating activity and is therefore useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, arteriosclerosis, type-2 diabetes, diabetic complications, metabolic syndrome or the like; and a pharmaceutical composition containing the compound.
    Type: Application
    Filed: September 29, 2010
    Publication date: June 28, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Seiichi Sato, Hajime Yamada, Junya Tagashira, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120122906
    Abstract: Disclosed is a novel compound which has both angiotensin II receptor antagonist activity and PPAR? activating activity, and is useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, angina pectoris, cerebrovascular disorders, cerebral circulatory disorders, ischemic peripheral circulatory disorders, kidney diseases, arteriosclerosis, inflammatory diseases, type 2 diabetes, diabetic complication, insulin resistant syndrome, syndrome X, metabolic syndrome and hyperinsulinemia. Also disclosed is a pharmaceutical composition which contains the novel compound. Specifically disclosed are: a sulfonamide derivative represented by general formula (I), a salt thereof, or a solvate of the derivative or salt; and a pharmaceutical composition which contains the sulfonamide derivative, a salt thereof, or a solvate of the derivative or salt.
    Type: Application
    Filed: August 27, 2010
    Publication date: May 17, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Kazuhiro Onogi, Noriaki Gomi, Takaaki Araki, Junya Tagashira, Ryohei Sekimoto, Rio Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120046308
    Abstract: An ?-phenoxybenzeneacetic acid derivative represented by general formula (I), which has both an angiotensin II receptor antagonistic activity and a PPAR? activation activity and is useful as a prophylactic and/or therapeutic agent for hypertension, metabolic syndrome or the like, a salt of the derivative, or a solvate of the derivative or the salt; and a pharmaceutical composition containing the derivative, the salt or the solvate.
    Type: Application
    Filed: May 28, 2010
    Publication date: February 23, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Kazuhiro Onogi, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120028983
    Abstract: Disclosed is a compound which has both an angiotensin-II receptor antagonistic activity and a PPAR? activation activity and is useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, angina pectoris, cerebrovascular disorders, cerebral circulatory disorders, ischemic peripheral circulatory disorders, renal diseases, arteriosclerosis, inflammatory diseases, type-2 diabetes, diabetic complications, insulin resistance syndrome, syndrome X, metabolic syndrome and hyperinsulinemia. [In the formula, A represents a 5- to 10-membered heteroaryl group; R1 and R2 independently represent a C1-6 alkyl group; and each of R3 to R5 is absent or represents H, a halogen atom, OH, NO2, a halo-C1-6 alkyl group, a (substituted) C1-6 alkoxy group, a (substituted) C3-6 cycloalkyloxy group, or a 5- to 10-membered heteroaryl group.
    Type: Application
    Filed: April 16, 2010
    Publication date: February 2, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Kazuhiro Onogi, Seiichi Sato, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Hitomi Aoki, Tadaaki Ohgiya
  • Publication number: 20120004197
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 5, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Publication number: 20110306623
    Abstract: Provided are novel compounds that have both angiotensin II receptor-antagonist effects and PPAR-activating effects that are useful as agents for preventing and/or treating hypertension, heart disease, angina, cerebral vascular accident, cerebrovascular disorder, ischemic peripheral circulatory disorder, kidney disease, atherosclerosis, inflammatory disease, type 2 diabetes mellitus, diabetic complication, insulin resistance syndrome, Syndrome X, metabolic syndrome, and hyperinsulinemia.
    Type: Application
    Filed: February 22, 2010
    Publication date: December 15, 2011
    Applicant: KOWA COMPANY, LTD.
    Inventors: Toru Miura, Kazuhiro Onogi, Junya Tagashira, Gen Watanabe, Ryohei Sekimoto, Rie Ishida, Tadaaki Ohgiya
  • Publication number: 20100222347
    Abstract: Disclosed is a low-molecular-weight compound having an EPO production-promoting activity and/or a hemoglobin expression-enhancing activity. Specifically disclosed is an EPO production promoter and/or a hemoglobin expression enhancer comprising a 1-acyl-4-(phenoxy, benzyloxy or phenylamino)-1,2,3,4-tetrahydroquinoline derivative, more specifically a tetrahydroquinoline compound represented by the general formula (1); [wherein R1, R2, R2?, R3 and R3? independently represent a hydrogen atom, a C1-6 alkyl group, or the like; R4, R5, R6, R7, R8, R9 and R10 independently represent a hydrogen atom, a halogen atom, a C1-6 alkyl group, or the like; A represents N—R11 or an oxygen atom; R11 represents a hydrogen atom, a C1-6 alkyl group, or the like; and n represents an integer of 0 or 1], a salt of the tetrahydroquinoline compound, or a solvate of the tetrahydroquinoline compound or the salt.
    Type: Application
    Filed: September 29, 2008
    Publication date: September 2, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Publication number: 20100120844
    Abstract: The present invention relates a specific tetrahydroisoquinoline compound which is useful as a chemokine receptor type 3 (CCR3) antagonist, and a pharmaceutical composition comprising the same as an active ingredient. The tetrahydroisoquinoline compound of the present invention is useful for the treatment or prevention of a disease in which CCR3 participates.
    Type: Application
    Filed: April 3, 2008
    Publication date: May 13, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Seiichi Sato, Junya Tagashira, Shunji Takemura, Yoshiharu Miyake, Tetsuya Ishikawa, Toshiharu Arai, Takahiro Ito, Takuya Hara