Patents by Inventor Mikio Morita

Mikio Morita 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: 9187475
    Abstract: The present invention relates to pyrrolopyridinone derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: November 17, 2015
    Assignee: RaQualia Pharma Inc.
    Inventors: Kiyoshi Kawamura, Mikio Morita, Tatsuya Yamagishi
  • Publication number: 20150322052
    Abstract: The present invention relates to aryl substituted carboxamide derivatives of formula (I) or a pharmaceutically acceptable salt thereof, which have blocking activities of T-type calcium channels or voltage gated sodium channels as the tetrodotoxin-sensitive (TTX-S) blocker such as NaV1.3 and NaV1.7, and which are useful in the treatment or prevention of disorders and diseases in which T-type calcium channels or voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which T-type calcium channels or voltage gated sodium channels are involved.
    Type: Application
    Filed: July 2, 2015
    Publication date: November 12, 2015
    Inventors: Tadashi INOUE, Shuzo WATANABE, Tatsuya YAMAGISHI, Yoshimasa ARANO, Mikio MORITA, Kaoru SHIMADA
  • Publication number: 20150291582
    Abstract: The present invention relates to pyrazolopyridine derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: October 31, 2013
    Publication date: October 15, 2015
    Applicant: RaQualia Pharma Inc.
    Inventors: Kiyoshi Kawamura, Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita
  • Patent number: 9101616
    Abstract: The present invention relates to aryl substituted carboxamide derivatives of formula (I) or a pharmaceutically acceptable salt thereof, which have blocking activities of T-type calcium channels or voltage gated sodium channels as the tetrodotoxin-sensitive (TTX-S) blockers such as NaV1.3 and NaV1.7, and which are useful in the treatment or prevention of disorders and diseases in which T-type calcium channels or voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which T-type calcium channels or voltage gated sodium channels are involved.
    Type: Grant
    Filed: May 31, 2010
    Date of Patent: August 11, 2015
    Assignee: RaQualia Pharma Inc.
    Inventors: Tadashi Inoue, Shuzo Watanabe, Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita, Kaoru Shimada
  • Patent number: 9051296
    Abstract: The present invention relates to aryl carboxamide derivatives of formula (I), wherein Ar1 is phenyl; Ar2 is aryl; n is 1-4; X is —O—, —S—, —SO— or —SO2—, a prodrug thereof or a pharmaceutically acceptable salt thereof, which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of such disorders and diseases as pain in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases as pain in which voltage gated sodium channels are involved.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: June 9, 2015
    Assignee: RaQualia Pharma Inc.
    Inventors: Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita, Tadashi Inoue
  • Publication number: 20150105393
    Abstract: The present invention relates to amide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: April 25, 2013
    Publication date: April 16, 2015
    Inventors: Tatsuya Yamagishi, Kiyoshi Kawamura, Mikio Morita
  • Publication number: 20150094306
    Abstract: The present invention relates to pyrrolopyridinone derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: April 25, 2013
    Publication date: April 2, 2015
    Inventors: Kiyoshi Kawamura, Mikio Morita, Tatsuya Yamagishi
  • Patent number: 8969383
    Abstract: The present invention relates to picolinamide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: March 3, 2015
    Assignee: RaQualia Pharma Inc.
    Inventors: Hirohide Noguchi, Tadashi Inoue, Mikio Morita, Yoshimasa Arano
  • Publication number: 20140336377
    Abstract: The present invention relates to arylamide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: October 18, 2011
    Publication date: November 13, 2014
    Applicant: RAQUALIA PHARMA INC.
    Inventors: Tatsuya Yamagishi, Kiyoshi Kawamura, Yoshimasa Arano, Mikio Morita
  • Publication number: 20140296237
    Abstract: The present invention relates to picolinamide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: June 12, 2014
    Publication date: October 2, 2014
    Inventors: Hirohide NOGUCHI, Tadashi INOUE, Mikio MORITA, Yoshimasa ARANO
  • Patent number: 8809380
    Abstract: The present invention relates to picolinamide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: August 19, 2014
    Assignee: RaQualia Pharma Inc.
    Inventors: Hirohide Noguchi, Tadashi Inoue, Mikio Morita, Yoshimasa Arano
  • Patent number: 8466166
    Abstract: This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R4, A and E are each as described herein or a pharmaceutically acceptable salt, and compositions containing such compounds and the method of treatment and the use, comprising such compounds for the treatment of a condition mediated by acid pump antagonistic activity such as, but not limited to, as gastrointestinal disease, gastroesophageal disease, gastroesophageal reflux disease (GERD), laryngopharyngeal reflux disease, peptic ulcer, gastric ulcer, duodenal ulcer, NSAID-induced ulcers, gastritis, infection of Helicobacter pylori, dyspepsia, functional dyspepsia, Zolli?ger-Ellison syndrome, non-erosive reflux disease (NERD), visceral pain, cancer, heartburn, nausea, esophagitis, dysphagia, hypersalivation, airway disorders or asthma.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: June 18, 2013
    Assignee: Raqualia Pharma Inc.
    Inventors: Hiroki Koike, Mikio Morita
  • Publication number: 20120232052
    Abstract: The present invention relates to aryl carboxamide derivatives of formula (I), wherein Ar1 is phenyl; Ar2 is aryl; n is 1-4; X is —O—, —S—, —SO— or —SO2—, a prodrug thereof or a pharmaceutically acceptable salt thereof, which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of such disorders and diseases as pain in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases as pain in which voltage gated sodium channels are involved.
    Type: Application
    Filed: November 16, 2010
    Publication date: September 13, 2012
    Inventors: Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita, Tadashi Inoue
  • Publication number: 20120142691
    Abstract: The present invention relates to picolinamide derivatives which have blocking activities of voltage gated sodium channels as the TTX-S channels, and which are useful in the treatment or prevention of disorders and diseases in which voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which voltage gated sodium channels are involved.
    Type: Application
    Filed: August 4, 2010
    Publication date: June 7, 2012
    Inventors: Hirohide Noguchi, Tadashi Inoue, Mikio Morita, Yoshimasa Arano
  • Publication number: 20120101105
    Abstract: The present invention relates to aryl substituted carboxamide derivatives of formula (I) or a pharmaceutically acceptable salt thereof, which have blocking activities of T-type calcium channels or voltage gated sodium channels as the tetrodotoxin-sensitive (TTX-S) blockers such as Nav1.3 and Nav1.7, and which are useful in the treatment or prevention of disorders and diseases in which T-type calcium channels or voltage gated sodium channels are involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which T-type calcium channels or voltage gated sodium channels are involved.
    Type: Application
    Filed: May 31, 2010
    Publication date: April 26, 2012
    Inventors: Tadashi Inoue, Shuzo Watanabe, Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita, Kaoru Shimada
  • 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
  • Patent number: 7906532
    Abstract: This invention relates to compounds of the formula (I): or pharmaceutically acceptable salts thereof, wherein: R1, R2, R3, A and m are each as described herein 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, 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.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: March 15, 2011
    Assignee: Pfizer Inc.
    Inventors: Asako Ishibashi, Tomoki Kato, Kiyoshi Kawamura, Sachiko Mihara, Mikio Morita
  • Publication number: 20100048532
    Abstract: This invention relates to compounds of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R4, A and E are each as described herein or a pharmaceutically acceptable salt, and compositions containing such compounds and the method of treatment and the use, comprising such compounds for the treatment of a condition mediated by acid pump antagonistic activity such as, but not limited to, as gastrointestinal disease, gastroesophageal disease, gastroesophageal reflux disease (GERD), laryngopharyngeal reflux disease, peptic ulcer, gastric ulcer, duodenal ulcer, NSAID-induced ulcers, gastritis, infection of Helicobacter pylori, dyspepsia, functional dyspepsia, Zolli?ger-Ellison syndrome, non-erosive reflux disease (NERD), visceral pain, cancer, heartburn, nausea, esophagitis, dysphagia, hypersalivation, airway disorders or asthma.
    Type: Application
    Filed: September 17, 2007
    Publication date: February 25, 2010
    Applicant: RaQualia Pharma Inc.
    Inventors: Hiroki Koike, Mikio Morita
  • Publication number: 20080269211
    Abstract: This invention relates to compounds of the formula (I): or pharmaceutically acceptable salts thereof, wherein: R1, R2, R3, A and m are each as described herein 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, 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.
    Type: Application
    Filed: July 14, 2006
    Publication date: October 30, 2008
    Inventors: Asako Ishibashi, Tomoki Kato, Kiyoshi Kawamura, Sachiko Mihara, Mikio Morita
  • 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