Patents by Inventor Shuichi OHTOMO

Shuichi OHTOMO 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).

  • Dihydropyridazine-3,5-dione derivative and pharmaceuticals containing the same
    Patent number: 9499553
    Abstract: The present invention provides a dihydropyridazine-3,5-dione derivative or a salt thereof, or a solvate of the compound or the salt, a pharmaceutical drug, a pharmaceutical composition, a sodium-dependent phosphate transporter inhibitor, and a preventive and/or therapeutic agent for hyperphosphatemia, secondary hyperparathyroidism, chronic renal failure, chronic kidney disease, and arteriosclerosis associated with vascular calcification comprising the compound as an active ingredient, and a method for prevention and/or treatment.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: November 22, 2016
    Assignee: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Yoshihito Ohtake, Naoki Okamoto, Yoshiyuki Ono, Hirotaka Kashiwagi, Atsushi Kimbara, Takeo Harada, Nobuyuki Hori, Yoshihisa Murata, Kazutaka Tachibana, Shota Tanaka, Kenichi Nomura, Mitsuaki Ide, Eisaku Mizuguchi, Yasuhiro Ichida, Shuichi Ohtomo, Naoshi Horiba
  • DIHYDROPYRIDAZINE-3,5-DIONE DERIVATIVE AND PHARMACEUTICALS CONTAINING THE SAME
    Publication number: 20160002251
    Abstract: The present invention provides a dihydropyridazine-3,5-dione derivative or a salt thereof, or a solvate of the compound or the salt, a pharmaceutical drug, a pharmaceutical composition, a sodium-dependent phosphate transporter inhibitor, and a preventive and/or therapeutic agent for hyperphosphatemia, secondary hyperparathyroidism, chronic renal failure, chronic kidney disease, and arteriosclerosis associated with vascular calcification comprising the compound as an active ingredient, and a method for prevention and/or treatment.
    Type: Application
    Filed: September 14, 2015
    Publication date: January 7, 2016
    Inventors: Yoshihito OHTAKE, Naoki OKAMOTO, Yoshiyuki ONO, Hirotaka KASHIWAGI, Atsushi KIMBARA, Takeo HARADA, Nobuyuki HORI, Yoshihisa MURATA, Kazutaka TACHIBANA, Shota TANAKA, Kenichi NOMURA, Mitsuaki IDE, Eisaku MIZUGUCHI, Yasuhiro ICHIDA, Shuichi OHTOMO, Naoshi HORIBA