Patents by Inventor Keisuke Tonogaki

Keisuke Tonogaki 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: 10093670
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: October 9, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Publication number: 20170107219
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: December 27, 2016
    Publication date: April 20, 2017
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi KOJIMA, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9567330
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 14, 2017
    Assignee: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9133186
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: September 15, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka
  • Publication number: 20140194420
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: July 13, 2012
    Publication date: July 10, 2014
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 8653125
    Abstract: The present invention discloses novel cyclohexane derivatives having NPY Y5 receptor antagonistic activity. Specifically, the present invention discloses a compound represented by the formula (I), or a pharmaceutically acceptable salt or a solvate thereof: wherein A is substituted or unsubstituted aryl or heterocyclyl; a combination of X and Y is a combination selected from (X, Y)?(C(?O)N(R1), C(?O)N(R2)), (C(?O)N(R1), imidazole-1,3-diyl), (N(R1), C(?O)N(R2)), (O, C(?O)N(R2)), (C(R3)(R4), N(R2)) or (a single bond, C(?O)N(R2)); R1, R2 and R3 are independently hydrogen or substituted or unsubstituted alkyl; R5 is substituted or unsubstituted aryl or heterocyclyl; R6 is halogen, oxo, substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy; m is 0 or 1; and n is an integer of 0 to 5; and B is aromatic carbocycle, monocyclic heterocycle or fused bicyclic heterocycle.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: February 18, 2014
    Assignee: Shionogi Co., Ltd.
    Inventors: Hiroshi Yoshida, Keisuke Tonogaki, Masahiro Sakagami, Kenji Takaya
  • Publication number: 20130184240
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 18, 2013
    Applicant: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka
  • Publication number: 20120004227
    Abstract: The present invention discloses novel cyclohexane derivatives having NPY Y5 receptor antagonistic activity. Specifically, the present invention discloses a compound represented by the formula (I), or a pharmaceutically acceptable salt or a solvate thereof: wherein A is substituted or unsubstituted aryl or heterocyclyl; a combination of X and Y is a combination selected from (X, Y)?(C(?O)N(R1), C(?O)N(R2)), (C(?O)N(R1), imidazole-1,3-diyl), (N(R1), C(?O)N(R2)), (O, C(?O)N(R2)), (C(R3)(R4), N(R2)) or (a single bond, C(?O)N(R2)); R1, R2 and R3 are independently hydrogen or substituted or unsubstituted alkyl; R5 is substituted or unsubstituted aryl or heterocyclyl; R6 is halogen, oxo, substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy; m is 0 or 1; and n is an integer of 0 to 5; and B is aromatic carbocycle, monocyclic heterocycle or fused bicyclic heterocycle.
    Type: Application
    Filed: March 5, 2010
    Publication date: January 5, 2012
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Hiroshi Yoshida, Keisuke Tonogaki, Masahiro Sakagami, Kenji Takaya
  • Publication number: 20110028468
    Abstract: This invention provides a compound of the formula (I): a pharmaceutically acceptable salt or solvate thereof, wherein R1 is substituted or unsubstituted alkyl or the like, R2 is hydrogen or substituted or unsubstituted alkyl, Ring A is monocyclic or bicyclic aromatic heterocycle, R3 is substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted heterocycle, R4 is halogen, cyano, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl or the like, m is an integer between 0 and 2, n is an integer between 0 and 5, R is halogen, oxo, cyano, nitro, substituted or unsubstituted alkyl or the like, and p is an integer between 0 and 2 as novel compounds having NPY Y5 antagonistic activity.
    Type: Application
    Filed: April 20, 2009
    Publication date: February 3, 2011
    Applicant: Shinonogi & Co., Ltd
    Inventors: Masahiro Sakagami, Hiroshi Hashizume, Satoru Tanaka, Takayuki Okuno, Hiroshi Yari, Keisuke Tonogaki, Naoki Kouyama