Patents by Inventor Norikazu GAJA

Norikazu GAJA 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: 12110287
    Abstract: The present invention relates to heterocyclic derivatives which have blocking activities of voltage gated sodium channels as the Nav1.7 and Nav1.8 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: December 26, 2019
    Date of Patent: October 8, 2024
    Assignee: RaQualia Pharma Inc.
    Inventors: Tatsuya Yamagishi, Kiyoshi Kawamura, Yuji Shishido, Ryuichi Yamaguchi, Mikio Morita, Norikazu Gaja
  • Publication number: 20220048892
    Abstract: The present invention relates to heterocyclic derivatives which have blocking activities of voltage gated sodium channels as the Nav1.7 and Nav1.8 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: December 26, 2019
    Publication date: February 17, 2022
    Applicant: RaQualia Pharma Inc.
    Inventors: Tatsuya YAMAGISHI, Kiyoshi KAWAMURA, Yuji SHISHIDO, Ryuichi YAMAGUCHI, Mikio MORITA, Norikazu GAJA
  • Patent number: 11154544
    Abstract: The present invention relates to amide derivatives which have blocking activities of voltage gated sodium channels as the Nav1.7 and Nav1.8 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 20, 2018
    Date of Patent: October 26, 2021
    Assignee: RaQualia Pharma Inc.
    Inventors: Tatsuya Yamagishi, Mikio Morita, Yuji Shishido, Ryuichi Yamaguchi, Norikazu Gaja
  • Publication number: 20200016135
    Abstract: The present invention relates to amide derivatives which have blocking activities of voltage gated sodium channels as the Nav1.7 and Nav1.8 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 20, 2018
    Publication date: January 16, 2020
    Applicant: RaQualia Pharma Inc.
    Inventors: Tatsuya YAMAGISHI, Mikio MORITA, Yuji SHISHIDO, Ryuichi YAMAGUCHI, Norikazu GAJA