Patents by Inventor Nobuo Cho

Nobuo Cho 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: 11986480
    Abstract: Provided is a novel compound or salt thereof that induces degradation by autophagy of an intracellular molecule. In this compound, a ligand having activity to bind to an intracellular molecule and a structure having activity to induce autophagy of an intracellular molecule are linked via a linker without loss of the activity of the ligand and the structure.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: May 21, 2024
    Assignee: TOHOKU UNIVERSITY
    Inventors: Hirokazu Arimoto, Kaori Itto, Daiki Takahashi, Nobuo Cho, Hiroshi Nara, Kenichiro Shimokawa, Taiichi Ohra, Shigekazu Sasaki, Naoki Ishii
  • Publication number: 20230117295
    Abstract: Provided is a compound that may have a superior CDK12 inhibitory action and is expected to be useful as a prophylactic or therapeutic drug for cancer and the like. A compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 20, 2023
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Koji ONO, Masahiro ITO, Toshio TANAKA, Moriteru ASANO, Takaharu HIRAYAMA, Jun FUJIMOTO, Nobuki SAKAUCHI, Yasuhiro HIRATA, Akinori TOITA, Nao MORISHITA, Hironori KOKUBO, Yasuhiro IMAEDA, Hironobu MAEZAKI, Douglas Robert CARY, Ryo MIZOJIRI, Nobuo CHO, Hiroshi BANNO, Hidekazu TOKUHARA, Yasuyoshi ARIKAWA
  • Patent number: 11584737
    Abstract: Provided is a compound that may have a superior CDK12 inhibitory action and is expected to be useful as a prophylactic or therapeutic drug for cancer and the like. A compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: February 21, 2023
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Koji Ono, Masahiro Ito, Toshio Tanaka, Moriteru Asano, Takaharu Hirayama, Jun Fujimoto, Nobuki Sakauchi, Yasuhiro Hirata, Akinori Toita, Nao Morishita, Hironori Kokubo, Yasuhiro Imaeda, Hironobu Maezaki, Douglas Robert Cary, Ryo Mizojiri, Nobuo Cho, Hiroshi Banno, Hidekazu Tokuhara, Yasuyoshi Arikawa
  • Publication number: 20210363130
    Abstract: Provided is a compound that may have a superior CDK12 inhibitory action and is expected to be useful as a prophylactic or therapeutic drug for cancer and the like. A compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: March 28, 2019
    Publication date: November 25, 2021
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Koji ONO, Masahiro ITO, Toshio TANAKA, Moriteru ASANO, Takaharu HIRAYAMA, Jun FUJIMOTO, Nobuki SAKAUCHI, Yasuhiro HIRATA, Akinori TOITA, Nao MORISHITA, Hironori KOKUBO, Yasuhiro IMAEDA, Hironobu MAEZAKI, Douglas Robert CARY, Ryo MIZOJIRI, Nobuo CHO, Hiroshi BANNO, Hidekazu TOKUHARA, Yasuyoshi ARIKAWA
  • Publication number: 20200163970
    Abstract: Provided is a novel compound or salt thereof that induces degradation by autophagy of an intracellular molecule. In this compound, a ligand having activity to bind to an intracellular molecule and a structure having activity to induce autophagy of an intracellular molecule are linked via a linker without loss of the activity of the ligand and the structure.
    Type: Application
    Filed: February 2, 2018
    Publication date: May 28, 2020
    Inventors: Hirokazu ARIMOTO, Kaori ITTO, Daiki TAKAHASHI, Nobuo CHO, Hiroshi NARA, Kenichiro SHIMOKAWA, Taiichi OHRA, Shigekazu SASAKI, Naoki ISHII
  • Patent number: 9346822
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: May 24, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Publication number: 20140221381
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Nobuo CHO, Takashi IMADA, Takenori HITAKA, Kazuhiro MIWA, Masami KUSAKA, Nobuhiro SUZUKI
  • Patent number: 8735401
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: May 27, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusuka, Nobuhiro Suzuki
  • Patent number: 8338622
    Abstract: The present invention relates to a compound represented by wherein each symbol is as defined in the specification, a salt thereof and the like.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: December 25, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Shizuo Kasai, Masahiro Kamaura, Nobuo Cho
  • Publication number: 20120071486
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 22, 2012
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Patent number: 8058280
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: November 15, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Publication number: 20110251187
    Abstract: The present invention relates to a compound represented by wherein each symbol is as defined in the specification, a salt thereof and the like.
    Type: Application
    Filed: May 29, 2009
    Publication date: October 13, 2011
    Inventors: Shizuo Kasai, Masahiro Kamaura, Nobuo Cho
  • Publication number: 20110009384
    Abstract: The present invention provides an agent for the prophylaxis or treatment of diabetes, which has a superior hypoglycemic action, and is associated with a fewer side effects such as body weight gain and the like. The resent invention relates an agent for the prophylaxis or treatment of diabetes, which comprises a compound represented by wherein each symbol is as defined in the description, or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: February 5, 2008
    Publication date: January 13, 2011
    Inventors: Taisuke Tawaraishi, Hiroshi Imoto, Nobuo Cho
  • Publication number: 20090264650
    Abstract: The present invention relates to a 11?-hydroxysteroid dehydrogenase 1 inhibitor comprising a compound represented by the formula (1): wherein each symbol is as defined in the description, or a salt thereof, or a prodrug thereof. The 11?-hydroxysteroid dehydrogenase 1 inhibitor of the present invention has a superior activity, and is useful as a pharmaceutical agent such as agents for the prophylaxis or treatment of diabetes, insulin resistance, obesity, abnormal lipid metabolism, hypertension and the like, and the like.
    Type: Application
    Filed: March 31, 2006
    Publication date: October 22, 2009
    Inventors: Nobuo Cho, Shizuo Kasai, Toshiro Yamashita
  • Patent number: 7507753
    Abstract: The present invention provides a compound having melanocortin receptor agonist activity or antagonist activity, which is a novel biaryl compound represented by the formula (I): wherein ring A and ring B are optionally further substituted 6-membered aromatic rings; X is —CONR4—, —SO2NR4—, —CH2NR4— (R4 is a hydrogen atom, an optionally substituted hydrocarbon group, etc.), etc.; Y is a spacer having 1 to 12 atoms, etc.; Z is —CONR6—, —CO— (R6 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group), etc.; R1 is an optionally substituted amino group, etc.; R2 is an optionally substituted hydrocarbon group, etc.; R3 is an optionally substituted hydrocarbon group, etc.; and R5 is an optionally substituted hydrocarbon group, etc.; or a salt thereof.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: March 24, 2009
    Assignee: Takeda Chemical Industries Ltd.
    Inventors: Nobuo Cho, Kazuyoshi Aso, Satoshi Endo, Naoyuki Kanzaki, Satoshi Sasaki
  • Publication number: 20080194617
    Abstract: The present invention provides an agent for the prophylaxis or treatment of diabetes, which has a superior hypoglycemic action, and is associated with a fewer side effects such as body weight gain and the like. The present invention relates an agent for the prophylaxis or treatment of diabetes, which comprises a compound represented by wherein each symbol is as defined in the description, or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: February 6, 2008
    Publication date: August 14, 2008
    Inventors: Taisuke Tawaraishi, Hiroshi Imoto, Nobuo Cho
  • Publication number: 20080108623
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Application
    Filed: August 31, 2007
    Publication date: May 8, 2008
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Patent number: 7300935
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4alkyl and (4?) a C1-4alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4alkoxy-C1-4alkyl, (3?) a mono-C1-4alkyl-carbamoyl-C1-4alkyl, (4?) a C1-4alkoxy and (5?) a mono-C1-4alkylcarbamoyl-C1-4alkoxy, or the like; R3 is a C1-4alkyl; R4 is a C1-4alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: November 27, 2007
    Assignee: Takeda Pharmaceutical Company
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Publication number: 20060160829
    Abstract: The present invention provides a compound represented by the formula: wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a hydroxy group, (3?) a C1-4 alkyl and (4?) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1?) a halogen, (2?) a C1-4 alkoxy-C1-4 alkyl, (3?) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4?) a C1-4 alkoxy and (5?) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
    Type: Application
    Filed: January 28, 2004
    Publication date: July 20, 2006
    Inventors: Nobuo Cho, Takashi Imada, Takenori Hitaka, Kazuhiro Miwa, Masami Kusaka, Nobuhiro Suzuki
  • Publication number: 20050096359
    Abstract: The present invention provides a compound having melanocortin receptor agonist activity or antagonist activity, which is a novel biaryl compound represented by the formula (I): wherein ring A and ring B are optionally further substituted 6-membered aromatic rings; X is —CONR4—, —SO2NR4—, —CH2NR4— (R4 is a hydrogen atom, an optionally substituted hydrocarbon group, etc.), etc.; Y is a spacer having 1 to 12 atoms, etc.; Z is —CONR6—, —CO— (R6 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group), etc.; R1 is an optionally substituted amino group, etc.; R2 is an optionally substituted hydrocarbon group, etc.; R3 is an optionally substituted hydrocarbon group, etc.; and R5 is an optionally substituted hydrocarbon group, etc.; or a salt thereof.
    Type: Application
    Filed: December 26, 2002
    Publication date: May 5, 2005
    Inventors: Nobuo Cho, Kazuyoshi Aso, Satoshi Endo, Naoyuki Kanzaki, Satoshi Sasaki