Patents by Inventor Yoshimasa Arano

Yoshimasa Arano 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).

  • Publication number: 20230149382
    Abstract: The present invention relates to tetrahydroquinoline derivatives of the present invention or a pharmaceutically acceptable salt thereof or a prodrug thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the P2X7 receptor.
    Type: Application
    Filed: July 22, 2022
    Publication date: May 18, 2023
    Inventors: Hirohide NOGUCHI, Yoshimasa ARANO, Kazuo ANDO, Kazuki TOYOSHIMA, Toshihiko SONE, Koki MATSUBARA
  • Patent number: 11439633
    Abstract: The present invention relates to tetrahydroquinoline derivatives of the present invention or a pharmaceutically acceptable salt thereof or a prodrug thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the P2X7 receptor.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: September 13, 2022
    Assignees: RaQualia Pharma Inc., Asahi Kasei Pharma Corporation
    Inventors: Yoshimasa Arano, Kazuki Toyoshima, Toshihiko Sone, Koki Matsubara
  • Patent number: 11077100
    Abstract: The present invention relates to tetrahydroquinoline derivatives of the present invention or a pharmaceutically acceptable salt thereof or a prodrug thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the P2X7 receptor.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 3, 2021
    Assignees: RaQualia Pharma Inc., Asahi Kasei Pharma Corporation
    Inventors: Hirohide Noguchi, Yoshimasa Arano, Kazuo Ando, Kazuki Toyoshima, Toshihiko Sone
  • Publication number: 20210085667
    Abstract: The present invention relates to tetrahydroquinoline derivatives of the present invention or a pharmaceutically acceptable salt thereof or a prodrug thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the P2X7 receptor.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 25, 2021
    Applicants: RaQualia Pharma Inc., Asahi Kasei Pharma Corporation
    Inventors: Hirohide NOGUCHI, Yoshimasa ARANO, Kazuo ANDO, Kazuki TOYOSHIMA, Toshihiko SONE, Koki MATSUBARA
  • Publication number: 20200405706
    Abstract: The present invention relates to tetrahydroquinoline derivatives of the present invention or a pharmaceutically acceptable salt thereof or a prodrug thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the P2X7 receptor.
    Type: Application
    Filed: March 13, 2018
    Publication date: December 31, 2020
    Applicants: RaQualia Pharma Inc., Asahi Kasei Pharma Corporation
    Inventors: Hirohide NOGUCHI, Yoshimasa ARANO, Kazuo ANDO, Kazuki TOYOSHIMA, Toshihiko SONE, Koki MATSUBARA
  • Patent number: 9944634
    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: Grant
    Filed: October 31, 2013
    Date of Patent: April 17, 2018
    Assignee: RaQualia Pharma Inc.
    Inventors: Kiyoshi Kawamura, Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita
  • Patent number: 9522140
    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: Grant
    Filed: July 2, 2015
    Date of Patent: December 20, 2016
    Assignee: RAQUALIA PHARMA INC.
    Inventors: Tadashi Inoue, Shuzo Watanabe, Tatsuya Yamagishi, Yoshimasa Arano, Mikio Morita, Kaoru Shimada
  • Patent number: 9302991
    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: Grant
    Filed: October 18, 2011
    Date of Patent: April 5, 2016
    Assignee: RaQualia Pharma Inc.
    Inventors: Tatsuya Yamagishi, Kiyoshi Kawamura, Yoshimasa Arano, Mikio Morita
  • 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
  • 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: 8697877
    Abstract: The present invention relates to novel oxyindole derivatives of formula (I) or a pharmaceutically acceptable salt thereof, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders which are mediated via the motilin receptor (GPR38).
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: April 15, 2014
    Assignee: RaQualia Pharma Inc.
    Inventors: Masaki Sudo, Yasuhiro Iwata, Yoshimasa Arano, Madoka Jinno, Masashi Ohmi, Hirohide Noguchi
  • 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