Patents by Inventor Tomoshige Numazawa

Tomoshige Numazawa 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: 7504432
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); [in which A signifies a group expressed by a formula (a0) or (b0); Ar signifies optionally substituted aryl or heteroaryl; B1 and B2 signify aliphatic hydrocarbon; R1 signifies fluorine-substituted cycloalkyl; R2, R3 and R4 signify lower alkyl, single bond or alkylene bonded to B1, or R2 and R3 are united to signify alkylene; R5 and R7 signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B2; R6 signifies hydrogen, lower alkyl or a group expressed as —N(R8)R9; and X? signifies an anion].
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: March 17, 2009
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi
  • Patent number: 7452908
    Abstract: This invention relates to compounds which are represented by the general formula [I] [in which A stands for a group of the following formula [ao] or [b0] Ar1, Ar2 and Ar3 stand for optionally substituted phenyl; k stands for 0 or 1; m, n and s stand for 0, 1 or 2; R1 stands for hydrogen or optionally substituted lower alkyl; R2, R3, R4 and R5 either stand for hydrogen or optionally substituted lower alkyl, or R2 and R3, or R4 and R5 together stand for trimethylene and the like; R60 stands for hydrogen, alkyl, or the like; R61 and R71 either stand for alkyl and the like, or together stand for trimethylene and the like; X stands for carbonyl or methylene; Y stands for nitrogen or methine; and Q? stands for anion], and the like. The compounds of the invention exhibit selective antagonism to muscarinic M3 receptors, and therefore are useful as safe and effective agents showing little side effect, for treating diseases of the respiratory, urinary and digestive systems.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: November 18, 2008
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yufu Sagara, Minaho Uchiyama, Akira Naya, Toshifumi Kimura, Tomoshige Numazawa, Toru Fujikawa, Norikazu Otake, Kazuhito Noguchi
  • Publication number: 20070129397
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); [in which A signifies a group expressed by a formula (a0) or (b0); Ar signifies optionally substituted aryl or heteroaryl; B1 and B2 signify aliphatic hydrocarbon; R1 signifies fluorine-substituted cycloalkyl; R2, R3 and R4 signify lower alkyl, single bond or alkylene bonded to B1, or R2 and R3 are united to signify alkylene; R5 and R7 signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B2; R6 signifies hydrogen, lower alkyl or a group expressed as —N(R8)R9; and X?signifies an anion].
    Type: Application
    Filed: January 3, 2007
    Publication date: June 7, 2007
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi
  • Patent number: 7192969
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); [in which A signifies a group expressed by a formula (a0) or (b0); Ar signifies optionally substituted aryl or heteroaryl; B1 and B2 signify aliphatic hydrocarbon; R1 signifies fluorine-substituted cycloalkyl; R2, R3 and R4 signify lower alkyl, single bond or alkylene bonded to B1, or R2 and R3 are united to signify alkylene; R5 and R7 signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B2; R6 signifies hydrogen, lower alkyl or a group expressed as —N(R8)R9; and X? signifies an anion].
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: March 20, 2007
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi
  • Publication number: 20050065211
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); [in which A signifies a group expressed by a formula (a0) or (b0); Ar signifies optionally substituted aryl or heteroaryl; B1 and B2 signify aliphatic hydrocarbon; R1 signifies fluorine-substituted cycloalkyl; R2, R3 and R4 signify lower alkyl, single bond or alkylene bonded to B1, or R2 and R3 are united to signify alkylene; R5 and R7 signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B2; R6 signifies hydrogen, lower alkyl or a group expressed as —N(R8)R9; and X? signifies an anion].
    Type: Application
    Filed: November 9, 2004
    Publication date: March 24, 2005
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi
  • Patent number: 6846835
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); [in which A signifies a group expressed by a formula (a0) or (b0); Ar signifies optionally substituted aryl or heteroaryl; B1 and B2 signify aliphatic hydrocarbon; R1 signifies fluorine-substituted cycloalkyl; R2, R3 and R4 signify lower alkyl, single bond or alkylene bonded to B1, or R2 and R3 are united to signify alkylene; R5 and R7 signify hydrogen, lower alkyl, or a single bond or alkylene bonded to B2; R6 signifies hydrogen, lower alkyl or a group expressed as —N(R8)R9; and X? signifies an anion].
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: January 25, 2005
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi
  • Patent number: 6809108
    Abstract: This invention relates to compounds which are represented by the general formula [I] [in which A stands for a group of the following formula [a0] or [b0] Ar1, Ar2 and Ar3 stand for optionally substituted phenyl; k stands for 0 or 1; m, n and a stand for 0, 1 or 2; R1 stands for hydrogen or optionally substituted lower alkyl; R2, R3, R4 and R5 either stand for hydrogen or optionally substituted lower alkyl, or R2 and R3, or R4 and R5 together stand for trimethylene and the like; R60 stands for hydrogen, alkyl, or the like; R61 and R71 either stand for alkyl and the like, or together stand for trimethylene and the like; X stands for carbonyl or methylene; Y stands for nitrogen or methine; and Q− stands for anion], and the like.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: October 26, 2004
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yufu Sagara, Minaho Uchiyama, Akira Naya, Toshifumi Kimura, Tomoshige Numazawa, Toru Fujikawa, Norikazu Otake, Kazuhito Noguchi
  • Publication number: 20040204369
    Abstract: This invention relates to compounds which are represented by the general formula [I] 1
    Type: Application
    Filed: May 5, 2004
    Publication date: October 14, 2004
    Inventors: Yufu Sagara, Minaho Uchiyama, Akira Naya, Toshifumi Kimura, Tomoshige Numazawa, Toru Fujikawa, Norikazu Otake, Kazuhito Noguchi
  • Publication number: 20030191316
    Abstract: This invention relates to compounds which exhibit selective muscarinic M3 receptor antagonism, have little side effects, are suitable for inhalation therapy and are useful as treating agents of respiratory system diseases, of the general formula (I); 1
    Type: Application
    Filed: January 10, 2003
    Publication date: October 9, 2003
    Inventors: Yoshio Ogino, Hideki Kurihara, Kenji Matsuda, Tomoshige Numazawa, Norikazu Otake, Kazuhito Noguchi