Patents by Inventor Chikara Uchida

Chikara Uchida 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: 8816090
    Abstract: This invention relates to compounds of the formula (I): wherein A, B, R1, R4, m, and n are each as described herein or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central 10 nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: August 26, 2014
    Assignee: Pfizer Inc.
    Inventors: Hirohide Noguchi, Isao Sakurada, Chikara Uchida, Nobuaki Waizumi
  • Patent number: 8362038
    Abstract: This invention provides a compound of formula (I): wherein R1 represents an alkyl group having from 1 to 4 carbon atoms or a halogen atom, R2 represents an alkyl group having from 1 to 4 carbon atoms, R3 represents a hydrogen atom or a hydroxy group, and A represents an oxygen atom or a group of the formula —C(R4)(R5)— (in which R4 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms and R5 represents a hydroxy group or an alkoxy group having from 1 to 4 carbon atoms) or a pharmaceutically acceptable salts thereof. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: January 29, 2013
    Assignee: Pfizer Inc.
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Chikara Uchida
  • Patent number: 7964727
    Abstract: This invention provides a compound of the formula (I): wherein Het represents a heterocyclic group having one nitrogen atom, to which B binds directly, and from 4 to 7 carbon atoms, and said heterocyclic group being unsubstituted or substituted by 1 to 4 substituents independently selected from the group consisting of substituents ?1; A represents an alkylene group having from 1 to 4 carbon atoms; B represents a covalent bond or an alkylene group having from 1 to 5 carbon atoms; R1 represents an isopropyl group, a n-propyl group or a cyclopentyl group; R2 represents a methyl group, a fluorine atom or a chlorine atom; R3 independently represents (i) an oxo group, a hydroxy group, an amino group, an alkylamino group or a carboxyl group; (ii) a cycloalkyl group having from 3 to 8 carbon atoms, and said cycloalkyl group being substituted by 1 to 5 substituents, or (iii) a heterocyclic group having from 3 to 8 atoms, and said heterocyclic group being unsubstituted or substituted by 1 to 5 substituents, and n is 1,
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 21, 2011
    Assignee: Pfizer Inc.
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Mikio Morita, Chikara Uchida
  • Publication number: 20100273794
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds for the manufacture of medicament for gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes and apnea syndrome. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Application
    Filed: July 7, 2010
    Publication date: October 28, 2010
    Applicant: Pfizer Inc.
    Inventors: Yasuhiro Katsu, Satoru Iguchi, Hiroki Sone, Chikara Uchida, Takashi Kojima
  • Patent number: 7776885
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds for the manufacture of medicament for gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes and apnea syndrome. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: August 17, 2010
    Assignee: Pfizer, Inc.
    Inventors: Yasuhiro Katsu, Satoru Iguchi, Hiroki Sone, Chikara Uchida, Takashi Kojima
  • Publication number: 20100173925
    Abstract: This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: A, R1, R2, R3, R4 and R5 are each as described herein or a pharmaceutically acceptable salt, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 agonistic activity such as, but not limited to, as gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageal disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes or apnea syndrome.
    Type: Application
    Filed: June 24, 2009
    Publication date: July 8, 2010
    Inventors: Chikara Uchida, Hiroki Sone, Kiyosho Kawamura
  • Patent number: 7737163
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: June 15, 2010
    Assignee: Pfizer Inc.
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Publication number: 20100144789
    Abstract: This invention provides a compound of formula (I): wherein R1 represents an alkyl group having from 1 to 4 carbon atoms or a halogen atom, R2 represents an alkyl group having from 1 to 4 carbon atoms, R3 represents a hydrogen atom or a hydroxy group, and A represents an oxygen atom or a group of the formula —C(R4)(R5)— (in which R4 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms and R5 represents a hydroxy group or an alkoxy group having from 1 to 4 carbon atoms) or a pharmaceutically acceptable salts thereof. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Application
    Filed: February 18, 2010
    Publication date: June 10, 2010
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Chikara Uchida
  • Patent number: 7705020
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: April 27, 2010
    Assignee: Pfizer Inc.
    Inventors: Koji Ando, Saturu Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Patent number: 7691881
    Abstract: This invention provides a compound of formula (I): wherein R1 represents an alkyl group having from 1 to 4 carbon atoms or a halogen atom, R2 represents an alkyl group having from 1 to 4 carbon atoms, R3 represents a hydrogen atom or a hydroxy group, and A represents an oxygen atom or a group of the formula —C(R4)(R5)— (in which R4 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms and R5 represents a hydroxy group or an alkoxy group having from 1 to 4 carbon atoms) or a pharmaceutically acceptable salts thereof. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: April 6, 2010
    Assignee: Pfizer Inc
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Chikara Uchida
  • Patent number: 7595329
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: September 29, 2009
    Assignee: Pfizer Inc
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Patent number: 7589109
    Abstract: This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: A, R1, R2, R3, R4 and R5 are each as described herein or a pharmaceutically acceptable salt, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 agonistic activity such as, but not limited to, as gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageal disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes or apnea syndrome.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: September 15, 2009
    Assignee: Pfizer Inc
    Inventors: Chikara Uchida, Hiroki Sone, Kiyoshi Kawamura
  • Publication number: 20080293767
    Abstract: This invention provides a compound of formula (I): wherein R1 represents an alkyl group having from 1 to 4 carbon atoms or a halogen atom, R2 represents an alkyl group having from 1 to 4 carbon atoms, R3 represents a hydrogen atom or a hydroxy group, and A represents an oxygen atom or a group of the formula —C(R4)(R5)— (in which R4 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms and R5 represents a hydroxy group or an alkoxy group having from 1 to 4 carbon atoms) or a pharmaceutically acceptable salts thereof. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Application
    Filed: January 18, 2005
    Publication date: November 27, 2008
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Chikara Uchida
  • Publication number: 20080255113
    Abstract: This invention provides a compound of the formula (I): wherein Het represents a heterocyclic group having one nitrogen atom, to which B binds directly, and from 4 to 7 carbon atoms, and said heterocyclic group being unsubstituted or substituted by 1 to 4 substituents independently selected from the group consisting of substituents ?1; A represents an alkylene group having from 1 to 4 carbon atoms; B represents a covalent bond or an alkylene group having from 1 to 5 carbon atoms; R1 represents an isopropyl group, a n-propyl group or a cyclopentyl group; R2 represents a methyl group, a fluorine atom or a chlorine atom; R3 independently represents (i) an oxo group, a hydroxy group, an amino group, an alkylamino group or a carboxyl group; (ii) a cycloalkyl group having from 3 to 8 carbon atoms, and said cycloalkyl group being substituted by 1 to 5 substituents, or (iii) a heterocyclic group having from 3 to 8 atoms, and said heterocyclic group being unsubstituted or substituted by 1 to 5 substituents, and n is 1,
    Type: Application
    Filed: November 10, 2004
    Publication date: October 16, 2008
    Inventors: Tomoki Kato, Kiyoshi Kawamura, Mikio Morita, Chikara Uchida
  • Publication number: 20080207690
    Abstract: This invention relates to compounds of the formula (I): wherein A, B, R1, R4, m, and n are each as described herein or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central 10 nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Application
    Filed: February 15, 2006
    Publication date: August 28, 2008
    Inventors: Hirohide Noguchi, Isao Sakurada, Chikara Uchida, Nobuaki Waizumi
  • Publication number: 20080108660
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageal disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Application
    Filed: January 9, 2008
    Publication date: May 8, 2008
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Publication number: 20060194842
    Abstract: This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: A, R1, R2, R3, R4 and R5 are each as described herein or a pharmaceutically acceptable salt, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 agonistic activity such as, but not limited to, as gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageal disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes or apnea syndrome.
    Type: Application
    Filed: February 22, 2006
    Publication date: August 31, 2006
    Inventors: Chikara Uchida, Hiroki Sone, Kiyoshi Kawamura
  • Patent number: 7012080
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, wherein R1 represents a hydrogen atom or a halogen atom; R2 represents a methyl group or an ethyl group; R3 represents a branched alkyl group having from 3 to 6 carbon atoms or an alkyl group having from 3 to 6 carbon atoms substituted by an alkoxy group having from 1 to 6 carbon atoms; with the proviso that when the terminal carbon atom of said alkyl group of R3 is substituted by said alkoxy group, said alkyl group is a branched alkyl group. These compounds have 5-HT4 receptor binding activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: March 14, 2006
    Assignee: Pfizer Inc.
    Inventors: Satoru Iguchi, Yasuhiro Katsu, Kana Kon-I, Hirohide Noguchi, Chikara Uchida
  • Patent number: 6979690
    Abstract: This invention provides compounds of the formula (I) and (II): or the pharmaceutically acceptable esters thereof, and the pharmaceutically acceptable salts thereof: wherein R1 is hydrogen or halo; R2 and R3 are independently hydrogen or C1-6 alkyl; R4 and R5 are independently hydrogen or C1-6 alkyl; R6 is hydrogen, C1-12 alkyl, C1-6 alkoxy (C1-6)alkyl or C1-12 alkyl substituted by up to 3 substituents selected from the groups consisting of C3-8 cycloalkyl, aryl, heteroaryl and heterocyclic; R7 and R8 are hydrogen or taken together may form alkylene chain having one or two carbon atoms; R9 is C1-6 alkyl or C3-8 cycloalkyl; R10 is C1-6 alkyl or NR11R12; L is (CR11R12)n or NR11; M is NR11 or (CR11R12)n; R11 and R12 are independently hydrogen or C1-6 alkyl; n is an integer from 0 to 5; and m is an integer from 0 to 2; said heterocyclic, aryl and heteroaryl are unsubstituted or are substituted by at least one substituent selected from the group consisting of halo and C1-6 alkyl; with the proviso that when R9 i
    Type: Grant
    Filed: January 7, 2003
    Date of Patent: December 27, 2005
    Assignee: Pfizer Inc.
    Inventors: Geoffrey Gymer, Kiyoshi Kawamura, Sachiko Mihara, Mikio Morita, Alan Stobie, Chikara Uchida, Seiji Nukui
  • Publication number: 20050277671
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Application
    Filed: June 14, 2005
    Publication date: December 15, 2005
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki