Patents Assigned to Nippon Chemiphar Co., Ltd.
  • Publication number: 20170081294
    Abstract: The present invention relates to a compound represented by the following general formula (I), which has a P2X4 receptor antagonistic activity (in the formula, R1, R2 and R3 represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, and the like, X represents C or N, Y represents N or C(?O), provided that when X is C, Y represents N, and when X is N, Y represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, n represents an integer of 0 to 6, Z represents O, S, or an atomic bond, and A represents benzene ring, pyridine ring, and the like).
    Type: Application
    Filed: July 11, 2014
    Publication date: March 23, 2017
    Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITY
    Inventors: Shogo SAKUMA, Kunio KOBAYASHI, Masatoshi USHIODA, Toshiyasu IMAI, Kazuhide INOUE
  • Patent number: 9561235
    Abstract: A P2X4 receptor antagonist such as paroxetine, a diazepinedione derivative having the following formula (IX) is used as an agent for preventing or treating zoster-associated pain in acute phase: wherein R1 is hydrogen, a C1-8 alkyl group, or the like; each of R2 and R3 is hydrogen, a C1-8 alkyl group, or the like; each of R4 and R5 is hydrogen or the like; and W is a five-membered or six-membered heterocyclic ring optionally having one or more substituents and comprising one to four nitrogen atoms as the members of the ring.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: February 7, 2017
    Assignees: Kyushu University, Nippon Chemiphar Co., LTD.
    Inventors: Kazuhide Inoue, Makoto Tsuda, Yuta Matsumura
  • Publication number: 20160303073
    Abstract: The present invention provides an agent for prophylactic treatment, therapeutic treatment, or prevention of metastasis of giant cell tumor occurring in a bone and soft tissue, chondrosarcoma, or bone sarcoma, a local infusion for artery embolization, and an artificial bone, which comprises a substance having a PPAR?-agonistic activity and/or a PPAR? expression-inducing activity as an active ingredient. The agent for prophylactic treatment, therapeutic treatment, or prevention of metastasis, the local infusion for artery embolization, and the artificial bone of the present invention are a radical therapeutic agent or radical therapeutic material that can cause apoptosis in giant cell tumor occurring in a bone and soft tissue, chondrosarcoma, or bone sarcoma to make the tumor disappear, and can induce differentiation of the tumor into fat cells to make the tumor disappear.
    Type: Application
    Filed: September 25, 2014
    Publication date: October 20, 2016
    Applicant: NIPPON CHEMIPHAR CO., LTD
    Inventors: Akihiko TAKEUCHI, Hiroyuki TSUCHIYA
  • Patent number: 9463185
    Abstract: A preparation containing [3-[2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl]-5-methyl-1,2-benzisoxazol-6-yl]oxyacetic acid, [4-[3-[2-(4-trifluoromethyl)phenyl-4-isopropyl-5-thiazolyl]propionyl]-2-methylphenoxy]acetic acid or [4-[3-[2-(2-hydroxy-4-chlorophenyl)-5-isopropyl-4-oxazolyl]propionyl]-2-methylphenoxy]acetic acid, or a pharmacologically acceptable salt thereof as an active ingredient is used as an agent for promoting proliferation of meibomian gland epithelial cells or corneal epithelial cells, as well as a therapeutic agent for ocular diseases such as meibomian gland dysfunction, dry eye and the like.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: October 11, 2016
    Assignees: SENJU PHARMACEUTICAL CO., LTD., NIPPON CHEMIPHAR CO., LTD.
    Inventors: Yoshikuni Nakamura, Ikuko Hanano, Jun Inoue
  • Publication number: 20160280667
    Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof and a P2X4 receptor antagonist.
    Type: Application
    Filed: June 8, 2016
    Publication date: September 29, 2016
    Applicant: NIPPON CHEMIPHAR CO., LTD
    Inventors: Masatoshi USHIODA, Kunio KOBAYASHI, Daisuke SAITO, Shogo SAKUMA, Toshiyasu IMAI, Kazuhide INOUE
  • Publication number: 20160244434
    Abstract: The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(?O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.
    Type: Application
    Filed: July 11, 2014
    Publication date: August 25, 2016
    Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITY
    Inventors: Shogo SAKUMA, Kunio KOBAYASHI, Masatoshi USHIODA, Daisuke SAITO, Toshiyasu IMAI, Kazuhide INOUE
  • Patent number: 9382236
    Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: July 5, 2016
    Assignee: NIPPON CHEMIPHAR CO., LTD
    Inventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
  • Publication number: 20160122349
    Abstract: The present invention relates to a morphinan derivative represented by the following general formula (I), wherein R1 represents hydrogen, C1-6 alkyl, C6-10 aryl, etc., R2 and R3, which are the same or different, represent hydrogen, hydroxy, etc., R4 and R5 represent hydrogen, C1-6 alkyl, etc., R6 represents hydrogen, hydroxy, C1-6 alkyl, etc., X represents O or CH2, Y represents C?O, C(?O)O, etc., and m and n, which are the same or different, represent an integer of 0 to 2 (m and n are not 0 at the same time), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof, as well as an analgesic, antianxiety drug, etc. containing the same as an active ingredient.
    Type: Application
    Filed: October 15, 2013
    Publication date: May 5, 2016
    Applicants: THE KITASATO INSTITUTE, NIPPON CHEMIPHAR CO., LTD.
    Inventors: Hiroshi NAGASE, Hideaki FUJII, Eriko NAKATA, Yoshikazu WATANABE, Daisuke SAITO, Toshihiro TAKAHASHI
  • Patent number: 8962613
    Abstract: A diazepine derivative having the following formula (III) or a pharmacologically acceptable salt thereof is used as A P2X4 receptor antagonist: wherein each of R21 and R22 is hydrogen, a C1-8 alkyl group or the like; R23 is hydrogen, a C1-8 alkyl group or the like; each of R24 and R25 is hydrogen, a C1-8 alkyl group or the like; R26 is hydrogen, a C1-8 alkyl group, a halogen atom, hydroxyl, nitro, cyano, phenyl optionally having one or more substituents, or a heterocyclic group optionally having one or more substituents or the like; and p is 0 or 1.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: February 24, 2015
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Shogo Sakuma, Masahiko Arai, Kunio Kobayashi, Yoshikazu Watanabe, Toshiyasu Imai, Kazuhide Inoue
  • Publication number: 20150045396
    Abstract: The present invention provides a prophylactic or therapeutic agent for giant cell tumors occurring in a bone and soft tissue or for chondrosarcoma, which comprises a non-steroidal anti-inflammatory agent or thiazolidine derivative as an active ingredient, and the like
    Type: Application
    Filed: March 18, 2013
    Publication date: February 12, 2015
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Akihiko Takeuchi, Hiroyuki Tsuchiya
  • Patent number: 8952030
    Abstract: A morphinan derivative represented by the following general formula (I): (in the formula, R1 represents hydrogen, C1-6 alkyl, cycloalkylalkyl (the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms), aralkyl (the aryl moiety has 6 to 10 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms) and the like, R2 represents hydrogen, C1-6 alkyl, C3-6 cycloalkyl, C6-10 aryl, aralkyl (the aryl moiety has 6 to 10 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms) and the like, R3, R4 and R5 represent hydrogen, hydroxy, carbamoyl, C1-6 alkoxy, C6-10 aryloxy and the like, R6a, R6b, R7, R8, R9, and R10 represent hydrogen and the like, X represents O or CH2, and Y represents C?O, SO2, an atomic bond and the like), or an acid addition salt thereof is used as an analgesic.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: February 10, 2015
    Assignees: The Kitasato Institute, Nippon Chemiphar Co., Ltd.
    Inventors: Hiroshi Nagase, Hideaki Fujii, Eriko Nakata, Yoshikazu Watanabe, Toshihiro Takahashi
  • Publication number: 20140343015
    Abstract: A morphinan derivative represented by the following general formula (I) (in the formula, R1 represents hydrogen, C1-6 alkyl, cycloalkylalkyl (the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms), aralkyl (the aryl moiety has 6 to 10 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms) and the like, R2 represents hydrogen, C1-6 alkyl, C3-6 cycloalkyl, C6-10 aryl, aralkyl (the aryl moiety has 6 to 10 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms) and the like, R3, R4 and R5 represent hydrogen, hydroxy, carbamoyl, C1-6 alkoxy, C6-10 aryloxy and the like, R6a, R6b, R7, R8, R9, and R10 represent hydrogen and the like, X represents O or CH2, and Y represents C?O, SO2, an atomic bond and the like), or an acid addition salt thereof is used as an analgesic.
    Type: Application
    Filed: September 7, 2012
    Publication date: November 20, 2014
    Applicants: NIPPON CHEMIPHAR CO., LTD., THE KITASATO INSTITUTE
    Inventors: Hiroshi Nagase, Hideaki Fujii, Eriko Nakata, Yoshikazu Watanabe, Toshihiro Takahashi
  • Patent number: 8802705
    Abstract: Provision of an agent for promoting proliferation of meibomian gland epithelial cells or corneal epithelial cells, and a therapeutic agent for ocular diseases such as meibomian gland dysfunction, dry eye and the like. A preparation containing [3-[2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl]-5-methyl-1,2-benzisoxazol-6-yl]oxyacetic acid, [4-[3-[2-(4-trifluoromethyl)phenyl-4-isopropyl-5-thiazolyl]propionyl]-2-methylphenoxy]acetic acid or [4-[3-[2-(2-hydroxy-4-chlorophenyl)-5-isopropyl-4-oxazolyl]propionyl]-2-methylphenoxy]acetic acid, or a pharmacologically acceptable salt thereof as an active ingredient is used as an agent for promoting proliferation of meibomian gland epithelial cells or corneal epithelial cells, as well as a therapeutic agent for ocular diseases such as meibomian gland dysfunction, dry eye and the like.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: August 12, 2014
    Assignees: Senju Pharmaceutical Co., Ltd., Nippon Chemiphar Co., Ltd.
    Inventors: Yoshikuni Nakamura, Ikuko Hanano, Jun Inoue
  • Patent number: 8778933
    Abstract: A diazepinedione derivative represented by the formula (I) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein R1 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or the like, R2 and R3 represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a halogen atom, or the like, R4 and R5 represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or the like, and W represents tetrazole or the like.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: July 15, 2014
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Shogo Sakuma, Toshihiro Takahashi, Masatoshi Ushioda, Toshiyasu Imai, Kazuhike Inoue
  • Publication number: 20140148599
    Abstract: A P2X4 receptor antagonist such as paroxetine, a diazepinedione derivative having the following formula (IX) is used as an agent for preventing or treating zoster-associated pain in acute phase: wherein R1 is hydrogen, a C1-8 alkyl group, or the like; each of R2 and R3 is hydrogen, a C1-8 alkyl group, or the like; each of R4 and R5 is hydrogen or the like; and W is a five-membered or six-membered heterocyclic ring optionally having one or more substituents and comprising one to four nitrogen atoms as the members of the ring.
    Type: Application
    Filed: November 2, 2011
    Publication date: May 29, 2014
    Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITY
    Inventors: Kazuhide Inoue, Makoto Tsuda, Yuta Matsumura
  • Patent number: 8680110
    Abstract: A compound having the following formula (II) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein each of R11 and R12 is hydrogen, C1-8 alkyl or the like; R13 is hydrogen, C1-8 alkyl or the like; R14 is C1-8 alkoxy, hydroxyl, cyano, a heterocyclic group optionally having a substituent or the like; and the condensed ring consisting of W1 and the neighboring benzene ring is naphthalene ring or the like.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: March 25, 2014
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Masatoshi Ushioda, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
  • Patent number: 8673915
    Abstract: A compound having the following formula (II) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein each of R11 and R12 is hydrogen, C1-8 alkyl or the like; R13 is hydrogen, C1-8 alkyl or the like; R14 is hydrogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkyl having 1-3 halogens, C1-8 hydroxyalkyl, halogen, hydroxyl, nitro, cyano, amino, C1-8 alkylamino, benzenesulfonylamino optionally having a substituent, a heterocyclic group optionally having a substituent or the like; and the condensed ring consisting of W1 and the neighboring benzene ring is naphthalene, tetrahydronaphthalene, or indan ring.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: March 18, 2014
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Masatoshi Ushioda, Shogo Sakuma, Atsushi Tendo, Toshiyasu Imai, Kazuhide Inoue
  • Patent number: 8648208
    Abstract: A compound represented by the formula (I) or a pharmacologically acceptable salt thereof is used as an activator of PPAR wherein each of R1 and R2 is hydrogen, C1-8 alkyl, C1-8 alkyl substituted with halogen, or the like; each of R3, R4, R5, and R6 is hydrogen, C1-8 alkyl, or the like; X is sulfur or the like; Y is oxygen, a bond, or the like; p is 0 or 1; A is oxygen, CH2, N—NH2, or the like; when p is 1, B is phenyl, which can have a substituent; when p is 0, B is a condensed ring such as benzisoxazole, which can have a substituent; m is an integer of 1 to 4; and n is an integer of 0 to 5.
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: February 11, 2014
    Assignee: Nippon Chemiphar Co. Ltd.
    Inventors: Shogo Sakuma, Rie Takahashi, Hideki Nakamura
  • Publication number: 20140018537
    Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 16, 2014
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi ENDO, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
  • Patent number: 8536176
    Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: September 17, 2013
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Tsuyoshi Endo, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara