Patents by Inventor Yasuki Niwa

Yasuki Niwa 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: 11890288
    Abstract: Provided is a compound or a pharmaceutically acceptable salt thereof which is superior in an action inducing degradation of BRD4 protein and useful as a therapeutic agent for cancer. A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the DESCRIPTION.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Kiyomi Ohba, Yasuki Niwa, Tetsuji Matsudaira, Maiko Hamada, Ryuta Yamazaki, Tatsuya Ibuki
  • Publication number: 20230364105
    Abstract: Provided is a compound or a pharmaceutically acceptable salt thereof which is superior in an action inducing degradation of BRD4 protein and useful as a therapeutic agent for cancer. A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the DESCRIPTION.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 16, 2023
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Kiyomi OHBA, Yasuki NIWA, Tetsuji MATSUDAIRA, Maiko HAMADA, Ryuta YAMAZAKI, Tatsuya IBUKI
  • Publication number: 20230348363
    Abstract: The specification generally relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where A, U, V, W, X, Y, Z, R1, R2, R3, R4 and R5 have the meanings defined herein. Such compounds are modulators of RXFP1 and may be useful as therapeutic agents. The specification also relates to the use of such compounds to treat or prevent diseases and conditions including heart failure, heart failure with preserved ejection fraction, heart failure with mid-range ejection fraction, heart failure with reduced ejection fraction, chronic kidney disease and acute kidney injury. The specification further relates to compositions comprising such compounds, intermediates useful in processes for preparing such compounds, and processes for preparing such compounds using such intermediates.
    Type: Application
    Filed: February 22, 2023
    Publication date: November 2, 2023
    Inventors: Kenneth Lars GRANBERG, Shigeki SAKAMAKI, Ryuichi FUCHIGAMI, Yasuki NIWA, Masakazu FUJIO, Hans Fredrik BERGSTRÖM, Stig Jonas BOSTRÖM, Giulia Bergonzini, Henrik Graden, Lars Johan Andreas Ulander
  • Publication number: 20230312542
    Abstract: The present invention provides a target protein degradation-inducing compound that is a bifunctional compound having a portion that binds to VHL, which is a substrate recognition protein of a ubiquitin ligase complex, at one end, and a portion that binds to a target protein at the other end. Specifically, a compound represented by the following structural formula (I): wherein each symbol is as defined in the present specification, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 5, 2023
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Shuhei YAMAKOSHI, Kouhei ISHIZAWA, Shuichi HAGIHARA, Komei SAKATA, Yasuki NIWA, Minoru TANAKA
  • Patent number: 11667602
    Abstract: The specification generally relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where A, U, V, W, X, Y, Z, R1, R2, R3, R4 and R5 have the meanings defined herein. Such compounds are modulators of RXFP1 and may be useful as therapeutic agents. The specification also relates to the use of such compounds to treat or prevent diseases and conditions including heart failure, heart failure with preserved ejection fraction, heart failure with mid-range ejection fraction, heart failure with reduced ejection fraction, chronic kidney disease and acute kidney injury. The specification further relates to compositions comprising such compounds, intermediates useful in processes for preparing such compounds, and processes for preparing such compounds using such intermediates.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: June 6, 2023
    Assignees: AstraZeneca AB, MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Kenneth Lars Granberg, Shigeki Sakamaki, Ryuichi Fuchigami, Yasuki Niwa, Masakazu Fujio, Hans Fredrik Bergström, Stig Jonas Boström
  • Publication number: 20230146717
    Abstract: Provided is a compound or a pharmaceutically acceptable salt thereof which is superior in an action inducing degradation of BRD4 protein and useful as a therapeutic agent for cancer. A compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the DESCRIPTION.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 11, 2023
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Kiyomi OHBA, Yasuki NIWA, Tetsuji MATSUDAIRA, Maiko HAMADA, Ryuta YAMAZAKI, Tatsuya IBUKI
  • Publication number: 20230078576
    Abstract: The specification generally relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where A, U, V, W, X, Y, Z, R1, R2, R3, R4 and R5 have the meanings defined herein. Such compounds are modulators of RXFP1 and may be useful as therapeutic agents. The specification also relates to the use of such compounds to treat or prevent diseases and conditions including heart failure, heart failure with preserved ejection fraction, heart failure with mid-range ejection fraction, heart failure with reduced ejection fraction, chronic kidney disease and acute kidney injury. The specification further relates to compositions comprising such compounds, intermediates useful in processes for preparing such compounds, and processes for preparing such compounds using such intermediates.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 16, 2023
    Inventors: Kenneth Lars GRANBERG, Shigeki SAKAMAKI, Ryuichi FUCHIGAMI, Yasuki NIWA, Masakazu FUJIO, Hans Fredrik BERGSTRÖM, Stig Jonas BOSTRÖM
  • Patent number: 11542273
    Abstract: Provided are a compound superior in a cytotoxic action on cancer cells, an action inducing degradation of BET protein in cancer cells, and an inhibitory action on the binding of BET protein and acetylated histone, and useful as an anticancer agent, a BET protein degradation inducer or a BET protein inhibitor. A compound represented by the following formula (I) wherein each symbol is as defined in the specification, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: January 3, 2023
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Ryuta Yamazaki, Tatsuya Ibuki, Yuichi Sawaguchi, Kiyomi Ohba, Maiko Hamada, Yasuki Niwa, Yuko Ishida, Hideto Maruyama, Shiki Matsuki, Minoru Tanaka
  • Publication number: 20210284654
    Abstract: Provided are a compound superior in a cytotoxic action on cancer cells, an action inducing degradation of BET protein in cancer cells, and an inhibitory action on the binding of BET protein and acetylated histone, and useful as an anticancer agent, a BET protein degradation inducer or a BET protein inhibitor.
    Type: Application
    Filed: July 4, 2019
    Publication date: September 16, 2021
    Applicants: MITSUBISHI TANABE PHARMA CORPORATION, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Ryuta YAMAZAKI, Tatsuya IBUKI, Yuichi SAWAGUCHI, Kiyomi OHBA, Maiko HAMADA, Yasuki NIWA, Yuko ISHIDA, Hideto MARUYAMA, Shiki MATSUKI, Minoru TANAKA
  • Patent number: 9540360
    Abstract: Sulfonamide compounds having TRPM8 antagonistic activity are provided. A sulfonamide compound of formula (I) or a pharmaceutically acceptable salt thereof, or a prodrug thereof: wherein Ring A is bicyclic aromatic heterocycle comprised of (a) pyridine is condensed with benzene; or (b) pyridine is condensed with monocyclic aromatic heterocycle, and Ring A binds to a sulfonylamino moiety on a carbon atom adjacent to a nitrogen atom of the pyridine ring constituting Ring A, Ring B is (a) monocyclic or bicyclic aromatic hydrocarbon; (b) monocyclic or bicyclic alicyclic hydrocarbon; (c) monocyclic or bicyclic aromatic heterocycle; or (d) monocyclic or bicyclic non-aromatic heterocycle, Ring C is (a) benzene; or (b) monocyclic aromatic heterocycle, and other symbols are the same as defined in the specification.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: January 10, 2017
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yasuyuki Tsuzuki, Daisuke Sawamoto, Toshiaki Sakamoto, Taku Kato, Yasuki Niwa, Nobumasa Awai
  • Publication number: 20150218143
    Abstract: Sulfonamide compounds having TRPM8 antagonistic activity are provided. A sulfonamide compound of formula (I) or a pharmaceutically acceptable salt thereof, or a prodrug thereof: wherein Ring A is bicyclic aromatic heterocycle comprised of (a) pyridine is condensed with benzene; or (b) pyridine is condensed with monocyclic aromatic heterocycle, and Ring A binds to a sulfonylamino moiety on a carbon atom adjacent to a nitrogen atom of the pyridine ring constituting Ring A, Ring B is (a) monocyclic or bicyclic aromatic hydrocarbon; (b) monocyclic or bicyclic alicyclic hydrocarbon; (c) monocyclic or bicyclic aromatic heterocycle; or (d) monocyclic or bicyclic non-aromatic heterocycle, Ring C is (a) benzene; or (b) monocyclic aromatic heterocycle, and other symbols are the same as defined in the specification.
    Type: Application
    Filed: February 12, 2015
    Publication date: August 6, 2015
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yasuyuki TSUZUKI, Daisuke SAWAMOTO, Toshiaki SAKAMOTO, Taku KATO, Yasuki NIWA, Nobumasa AWAI
  • Patent number: 8987445
    Abstract: Sulfonamide compounds having TRPM8 antagonistic activity are provided. A sulfonamide compound of formula (I) or a pharmaceutically acceptable salt thereof, or a prodrug thereof: (I) wherein Ring A is bicyclic aromatic heterocycle comprised of (a) pyridine is condensed with benzene; or (b) pyridine is condensed with monocyclic aromatic heterocycle, and Ring A binds to a sulfonylamino moiety on a carbon atom adjacent to a nitrogen atom of the pyridine ring constituting Ring A, Ring B is (a) monocyclic or bicyclic aromatic hydrocarbon; (b) monocyclic or bicyclic alicyclic hydrocarbon; (c) monocyclic or bicyclic aromatic heterocycle; or (d) monocyclic or bicyclic non-aromatic heterocycle, Ring C is (a) benzene; or (b) monocyclic aromatic heterocycle, and other symbols are the same as defined in the specification.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: March 24, 2015
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Yasuyuki Tsuzuki, Daisuke Sawamoto, Toshiaki Sakamoto, Taku Kato, Yasuki Niwa, Nobumasa Awai