Patents by Inventor Kenichiro Shimokawa

Kenichiro Shimokawa 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).

  • Heterocyclic compound
    Patent number: 11236099
    Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: February 1, 2022
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kazuaki Takami, Masaki Seto, Shinobu Sasaki, Haruhi Ando, Masaki Ogino, Tomoko Ohashi, Toshihiro Imaeda, Ikuo Fujimori, Yasuhiro Tsukimi, Masami Yamada, Kenichiro Shimokawa, Takeshi Wakabayashi, Masataka Murakami, Makoto Fushimi, Tomohiro Okawa, Jinichi Yonemori, Tomohiro Ohashi, Hideo Suzuki, Hironobu Maezaki, Ayumu Sato, Yasutomi Asano, Steve Swann
  • HETEROCYCLIC COMPOUND
    Publication number: 20220017530
    Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 20, 2022
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Kazuaki Takami, Masaki Seto, Shinobu Sasaki, Haruhi Ando, Masaki Ogino, Tomoko Ohashi, Toshihiro Imaeda, Ikuo Fujimori, Yasuhiro Tsukimi, Masami Yamada, Kenichiro Shimokawa, Takeshi Wakabayashi, Masataka Murakami, Makoto Fushimi, Tomohiro Okawa, Jinichi Yonemori, Tomohiro Ohashi, Hideo Suzuki, Hironobu Maezaki, Ayumu Sato, Yasutomi Asano, Steve Swann
  • Substituted pyrrolidine compound and use thereof
    Patent number: 11034700
    Abstract: The present invention provides a substituted pyrrolidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 15, 2021
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Satoshi Mikami, Masaki Daini, Yuhei Miyanohana, Hideo Suzuki, Kenichiro Shimokawa, Yuichi Kajita, Masaki Ogino, Tatsuki Koike, Kohei Takeuchi
  • HETEROCYCLIC COMPOUND
    Publication number: 20210139491
    Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: June 19, 2018
    Publication date: May 13, 2021
    Inventors: Kazuaki TAKAMI, Masaki SETO, Shinobu SASAKI, Haruhi ANDO, Masaki OGINO, Tomoko OHASHI, Toshihiro IMAEDA, Ikuo FUJIMORI, Yasuhiro TSUKIMI, Masami YAMADA, Kenichiro SHIMOKAWA, Takeshi WAKABAYASHI, Masataka MURAKAMI, Makoto FUSHIMI, Tomohiro OKAWA, Jinichi YONEMORI, Tomohiro OHASHI, Hideo SUZUKI, Hironobu MAEZAKI, Ayumu SATO, Yasutomi ASANO, Steve SWANN
  • 2,3-dihydro-4H-1,3-benzoxazin-4-one derivatives as modulators of cholinergic muscarinic M1 receptor
    Patent number: 10899752
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 26, 2021
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Masataka Murakami, Jinichi Yonemori, Takuto Kojima
  • SUBSTITUTED PYRROLIDINE COMPOUND AND USE THEREOF
    Publication number: 20200392149
    Abstract: The present invention provides a substituted pyrrolidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: March 7, 2018
    Publication date: December 17, 2020
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Satoshi MIKAMI, Masaki DAINI, Yuhei MIYANOHANA, Hideo SUZUKI, Kenichiro SHIMOKAWA, Yuichi KAJITA, Masaki OGINO, Tatsuki KOIKE, Kohei TAKEUCHI
  • HETEROCYCLIC COMPOUND
    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
  • Quinazolinone and benzotriazinone compounds with cholinergic muscarinin M1 receptor positive allosteric modulator activity
    Patent number: 10548899
    Abstract: The present invention provides a compound which has a cholinergic muscarinic M1 receptor positive allosteric modulator activity and may be useful as a medicament such as an agent for the prophylaxis or treatment of Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, Lewy body dementia and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof. In the formula (I), each symbol is as described in the attached specification.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: February 4, 2020
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Masaki Ogino, Eiji Kimura, Masataka Murakami, Takuto Kojima, Jinichi Yonemori
  • Heterocyclic compound
    Patent number: 10428056
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: October 1, 2019
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Masataka Murakami, Jinichi Yonemori, Takuto Kojima
  • 2,3-DIHYDRO-4H-1,3-BENZOXAZIN-4-ONE DERIVATIVES AS MODULATORS OF CHOLINERGIC MUSCARINIC M1 RECEPTOR
    Publication number: 20190248776
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Inventors: Takahiro SUGIMOTO, Shinkichi SUZUKI, Hiroki SAKAMOTO, Masami YAMADA, Minoru NAKAMURA, Makoto KAMATA, Kenichiro SHIMOKAWA, Masaki OGINO, Eiji KIMURA, Masataka MURAKAMI, Jinichi YONEMORI, Takuto KOJIMA
  • 2,3-dihydro-4H-1,3-benzoxazin-4-one derivatives as modulators of cholinergic muscarinic M1 receptor
    Patent number: 10323027
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 18, 2019
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Masataka Murakami, Jinichi Yonemori, Takuto Kojima
  • Nitrogen-containing heterocyclic compound
    Patent number: 10208046
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as medicaments such as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like, and the like. The present invention relates to a compound represented by the formula (I) wherein ring A is an optionally substituted 5- or 6-membered ring; R is a C1-6 alkyl group substituted by 1 to 5 halogen atoms; and X is —CH? or —N?, or a salt thereof.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: February 19, 2019
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Kenichiro Shimokawa, Takuto Kojima, Hiroki Sakamoto, Ikuo Fujimori, Minoru Nakamura, Masami Yamada, Masataka Murakami, Makoto Kamata, Shinkichi Suzuki
  • HETEROCYCLIC COMPOUND
    Publication number: 20180362516
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Takahiro SUGIMOTO, Shinkichi SUZUKI, Hiroki SAKAMOTO, Masami YAMADA, Minoru NAKAMURA, Makoto KAMATA, Kenichiro SHIMOKAWA, Takuto KOJIMA
  • HETEROCYCLIC COMPOUND
    Publication number: 20180303841
    Abstract: The present invention provides a compound which has a cholinergic muscarinic M1 receptor positive allosteric modulator activity and may be useful as a medicament such as an agent for the prophylaxis or treatment of Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, Lewy body dementia and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof. In the formula (I), each symbol is as described in the attached specification.
    Type: Application
    Filed: October 19, 2016
    Publication date: October 25, 2018
    Inventors: Takahiro SUGIMOTO, Shinkichi SUZUKI, Hiroki SAKAMOTO, Masami YAMADA, Minoru NAKAMURA, Makoto KAMATA, Kenichiro SHIMOKAWA, Masaki OGINO, Eiji KIMURA, Masataka MURAKAMI, Takuto KOJIMA, Jinichi YONEMORI
  • Heterocyclic compound
    Patent number: 10087150
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 2, 2018
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Takuto Kojima
  • 2,3-DIHYDRO-4H-1,3-BENZOXAZIN-4-ONE DERIVATIVES AS MODULATORS OF CHOLINERGIC MUSCARINIC M1 RECEPTOR
    Publication number: 20180162850
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Application
    Filed: June 23, 2016
    Publication date: June 14, 2018
    Inventors: Takahiro SUGIMOTO, Shinkichi SUZUKI, Hiroki SAKAMOTO, Masami YAMADA, Minoru NAKAMURA, Makoto KAMATA, Kenichiro SHIMOKAWA, Masaki OGINO, Eiji KIMURA, Masataka MURAKAMI, Jinichi YONEMORI, Takuto KOJIMA
  • HETEROCYCLIC COMPOUND
    Publication number: 20180050996
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Application
    Filed: October 31, 2017
    Publication date: February 22, 2018
    Inventors: Takahiro SUGIMOTO, Shinkichi SUZUKI, Hiroki SAKAMOTO, Masami YAMADA, Minoru NAKAMURA, Makoto KAMATA, Kenichiro SHIMOKAWA, Takuto KOJIMA
  • Heterocyclic compound
    Patent number: 9878989
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, which may be useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof: wherein each symbol is as defined in the attached DESCRIPTION.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: January 30, 2018
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Shinkichi Suzuki, Hiroki Sakamoto, Masami Yamada, Minoru Nakamura, Makoto Kamata, Kenichiro Shimokawa, Masataka Murakami, Jinichi Yonemori, Takuto Kojima
  • Bicyclic heterocyclic compound containing a substituted pyrrole ring
    Patent number: 9777005
    Abstract: Provided is a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, and useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder and the like. The present invention relates to a compound represented by the formula wherein ring A is a 4- to 7-membered ring optionally having substituent(s); L is —O—, —S—, —SO— or —SO2—; R1 is a C1-6 alkyl group optionally having substituent(s) (provided that when L is —O—, R1 is not a C1-6 alkyl group optionally substituted by halogen atom(s)), or a cyclic group optionally having substituent(s); X1 is —CRa? or —N?; X2 is —CRb? or —N?; X3 is —CRc= or —N?; Ra, Rb and Rc are each a C1-6 alkyl group, C2-6 alkenyl group, C1-6 alkoxy group, C3-6 cycloalkyl group, C3-6 cycloalkoxy group or C6-14 aryl group, each of which optionally having substituent(s), H or halogen, or a salt thereof.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: October 3, 2017
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Minoru Nakamura, Hiroki Sakamoto, Shinkichi Suzuki, Masami Yamada, Makoto Kamata, Takuto Kojima, Ikuo Fujimori, Kenichiro Shimokawa
  • Bicyclic heterocyclic compound containing a substituted pyrrole ring
    Patent number: 9732086
    Abstract: Provided is a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, and useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder and the like. The present invention relates to a compound represented by the formula wherein ring A is a 4- to 7-membered ring optionally having substituent(s); L is —O—, —S—, —SO— or —SO2—; R1 is a C1-6 alkyl group optionally having substituent(s) (provided that when L is —O—, R1 is not a C1-6 alkyl group optionally substituted by halogen atom(s)), or a cyclic group optionally having substituent(s); X1 is —CRa? or —N?; X2 is —CRb? or —N?; X3 is —CRc= or —N?; Ra, Rb and Rc are each a C1-6 alkyl group, C2-6 alkenyl group, C1-6 alkoxy group, C3-6 cycloalkyl group, C3-6 cycloalkoxy group or C6-14 aryl group, each of which optionally having substituent(s), H or halogen, or a salt thereof.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 15, 2017
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiro Sugimoto, Minoru Nakamura, Hiroki Sakamoto, Shinkichi Suzuki, Masami Yamada, Makoto Kamata, Takuto Kojima, Ikuo Fujimori, Kenichiro Shimokawa