Patents by Inventor Ikuo Fujimori

Ikuo Fujimori 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: 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
  • 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
  • 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
  • Patent number: 10214508
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity and useful as a medicament 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) or a salt thereof. wherein each symbol is as described in the attached DESCRIPTION.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: February 26, 2019
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masaki Ogino, Eiji Kimura, Shinkichi Suzuki, Tomoko Ashizawa, Toshihiro Imaeda, Ikuo Fujimori, Ryosuke Arai
  • 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
  • Patent number: 10131653
    Abstract: The present invention provide a compound having an orexin receptor antagonistic activity, which is expected to be useful as medicaments such as agents for the prophylaxis or treatment of sleep disorder, depression, anxiety disorder, panic disorder, schizophrenia, drug dependence, Alzheimer's disease and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: November 20, 2018
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taku Kamei, Yasuyoshi Arikawa, Tomohiro Ohashi, Toshihiro Imaeda, Ikuo Fujimori, Takashi Miki, Jinichi Yonemori, Yuya Oguro, Takahiro Sugimoto, Masaki Seto, Goushi Nishida, Makoto Kamata, Hiroshi Imoto
  • Publication number: 20180155333
    Abstract: The present invention provide a compound having an orexin receptor antagonistic activity, which is expected to be useful as medicaments such as agents for the prophylaxis or treatment of sleep disorder, depression, anxiety disorder, panic disorder, schizophrenia, drug dependence, Alzheimer's disease and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 22, 2016
    Publication date: June 7, 2018
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taku KAMEI, Yasuyoshi ARIKAWA, Tomohiro OHASHI, Toshihiro IMAEDA, Ikuo FUJIMORI, Takashi MIKI, Jinichi YONEMORI, Yuya OGURO, Takahiro SUGIMOTO, Masaki SETO, Goushi NISHIDA, Makoto KAMATA, Hiroshi IMOTO
  • 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
  • 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
  • Publication number: 20170121308
    Abstract: The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity and useful as a medicament 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) or a salt thereof. wherein each symbol is as described in the attached DESCRIPTION.
    Type: Application
    Filed: June 11, 2015
    Publication date: May 4, 2017
    Inventors: Masaki OGINO, Eiji KIMURA, Shinkichi SUZUKI, Tomoko ASHIZAWA, Toshihiro IMAEDA, Ikuo FUJIMORI, Ryosuke ARAI
  • Publication number: 20170081332
    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: Application
    Filed: May 15, 2015
    Publication date: March 23, 2017
    Inventors: Takahiro SUGIMOTO, Kenichiro SHIMOKAWA, Takuto KOJIMA, Hiroki SAKAMOTO, Ikuo FUJIMORI, Minoru NAKAMURA, Masami YAMADA, Masataka MURAKAMI, Makoto KAMATA, Shinkichi SUZUKI
  • Publication number: 20150307497
    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: Application
    Filed: November 18, 2013
    Publication date: October 29, 2015
    Inventors: Takahiro SUGIMOTO, Minoru NAKAMURA, Hiroki SAKAMOTO, Shinkichi SUZUKI, Masami YAMADA, Makoto KAMATA, Takuto KOJIMA, Ikuo FUJIMORI, Kenichiro SHIMOKAWA
  • Patent number: 9133129
    Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: September 15, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tohru Yamashita, Takuya Fujimoto, Ryo Mizojiri, Kazuko Yonemori, Hideki Hirose, Zenichi Ikeda, Ikuo Fujimori, Kyoko Toyofuku, Tsuneo Yasuma, Nobuyuki Matsunaga
  • Patent number: 8993598
    Abstract: The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted by halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or a salt thereof, or a pharmaceutical composition containing the same.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: March 31, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8969387
    Abstract: The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted by halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or a salt thereof, or a pharmaceutical composition containing the same.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: March 3, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8895588
    Abstract: Provided is a compound having a superior acid secretion suppressive action, antiulcer activity and the like. A compound represented by the formula wherein R1 is a substituent, R2 is (i) a hydrogen atom, (ii) a C1-6 alkyl group optionally having a halogen atom or (iii) a cyano group, R3 is (i) a hydrogen atom, (ii) a halogen atom, (iii) a cyano group, (iv) a C1-6 alkyl group optionally having a halogen atom or a C1-6 alkoxy group optionally having a halogen atom, one of R2 and R3 is a hydrogen atom, and the other is a substituent other than a hydrogen atom, or a salt thereof.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: November 25, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Ikuo Fujimori
  • Publication number: 20140243310
    Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: October 23, 2012
    Publication date: August 28, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tohru Yamashita, Takuya Fujimoto, Ryo Mizojiri, Kazuko Yonemori, Hideki Hirose, Zenichi Ikeda, Ikuo Fujimori, Kyoko Toyofuku, Tsuneo Yasuma, Nobuyuki Matsunaga
  • Patent number: 8722662
    Abstract: Provided is a compound having a monoamine reuptake inhibitory activity, which is represented by the formula (I) wherein ring A is an optionally substituted 6-membered aromatic ring, ring B is the substituents on ring A are optionally bonded to form, together with ring A, an optionally substituted 9- or 10-membered aromatic fused ring, and other symbols are as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: May 13, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishichi, Masami Yamada, Taku Kamei, Ikuo Fujimori, Yoshihisa Nakada, Tomoya Yukawa, Nobuki Sakauchi, Yusuke Ohba, Tetsuya Tsukamoto
  • Patent number: 8703758
    Abstract: The present invention provides to a compound having an ACC inhibitory action, which is useful as an agent for the prophylaxis or treatment of obesity, diabetes, hypertension, hyperlipidemia, cardiac failure, diabetic complications, metabolic syndrome, sarcopenia, cancer and the like, and has superior efficacy. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: April 22, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tohru Yamashita, Makoto Kamata, Hideki Hirose, Masataka Murakami, Takuya Fujimoto, Zenichi Ikeda, Tsuneo Yasuma, Ikuo Fujimori, Ryo Mizojiri, Tomoya Yukawa
  • Publication number: 20140031393
    Abstract: The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted by halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or a salt thereof, or a pharmaceutical composition containing the same.
    Type: Application
    Filed: October 1, 2013
    Publication date: January 30, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori