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).
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Patent number: 11236099Abstract: 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: GrantFiled: June 19, 2018Date of Patent: February 1, 2022Assignee: Takeda Pharmaceutical Company LimitedInventors: 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
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Publication number: 20220017530Abstract: 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: ApplicationFiled: September 15, 2021Publication date: January 20, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: 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
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Publication number: 20210139491Abstract: 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: ApplicationFiled: June 19, 2018Publication date: May 13, 2021Inventors: 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
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Patent number: 10214508Abstract: 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: GrantFiled: June 11, 2015Date of Patent: February 26, 2019Assignee: Takeda Pharmaceutical Company LimitedInventors: Masaki Ogino, Eiji Kimura, Shinkichi Suzuki, Tomoko Ashizawa, Toshihiro Imaeda, Ikuo Fujimori, Ryosuke Arai
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Patent number: 10208046Abstract: 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: GrantFiled: May 15, 2015Date of Patent: February 19, 2019Assignee: Takeda Pharmaceutical Company LimitedInventors: Takahiro Sugimoto, Kenichiro Shimokawa, Takuto Kojima, Hiroki Sakamoto, Ikuo Fujimori, Minoru Nakamura, Masami Yamada, Masataka Murakami, Makoto Kamata, Shinkichi Suzuki
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Patent number: 10131653Abstract: 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: GrantFiled: April 22, 2016Date of Patent: November 20, 2018Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: 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
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Publication number: 20180155333Abstract: 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: ApplicationFiled: April 22, 2016Publication date: June 7, 2018Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: 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
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Patent number: 9777005Abstract: 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: GrantFiled: November 18, 2013Date of Patent: October 3, 2017Assignee: Takeda Pharmaceutical Company LimitedInventors: Takahiro Sugimoto, Minoru Nakamura, Hiroki Sakamoto, Shinkichi Suzuki, Masami Yamada, Makoto Kamata, Takuto Kojima, Ikuo Fujimori, Kenichiro Shimokawa
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Patent number: 9732086Abstract: 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: GrantFiled: November 18, 2013Date of Patent: August 15, 2017Assignee: Takeda Pharmaceutical Company LimitedInventors: Takahiro Sugimoto, Minoru Nakamura, Hiroki Sakamoto, Shinkichi Suzuki, Masami Yamada, Makoto Kamata, Takuto Kojima, Ikuo Fujimori, Kenichiro Shimokawa
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Publication number: 20170121308Abstract: 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: ApplicationFiled: June 11, 2015Publication date: May 4, 2017Inventors: Masaki OGINO, Eiji KIMURA, Shinkichi SUZUKI, Tomoko ASHIZAWA, Toshihiro IMAEDA, Ikuo FUJIMORI, Ryosuke ARAI
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Publication number: 20170081332Abstract: 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: ApplicationFiled: May 15, 2015Publication date: March 23, 2017Inventors: Takahiro SUGIMOTO, Kenichiro SHIMOKAWA, Takuto KOJIMA, Hiroki SAKAMOTO, Ikuo FUJIMORI, Minoru NAKAMURA, Masami YAMADA, Masataka MURAKAMI, Makoto KAMATA, Shinkichi SUZUKI
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Publication number: 20150307497Abstract: 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: ApplicationFiled: November 18, 2013Publication date: October 29, 2015Inventors: Takahiro SUGIMOTO, Minoru NAKAMURA, Hiroki SAKAMOTO, Shinkichi SUZUKI, Masami YAMADA, Makoto KAMATA, Takuto KOJIMA, Ikuo FUJIMORI, Kenichiro SHIMOKAWA
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Patent number: 9133129Abstract: 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: GrantFiled: October 23, 2012Date of Patent: September 15, 2015Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Tohru Yamashita, Takuya Fujimoto, Ryo Mizojiri, Kazuko Yonemori, Hideki Hirose, Zenichi Ikeda, Ikuo Fujimori, Kyoko Toyofuku, Tsuneo Yasuma, Nobuyuki Matsunaga
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Patent number: 8993598Abstract: 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: GrantFiled: October 1, 2013Date of Patent: March 31, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
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Patent number: 8969387Abstract: 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: GrantFiled: August 26, 2009Date of Patent: March 3, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
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Patent number: 8895588Abstract: 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: GrantFiled: March 25, 2010Date of Patent: November 25, 2014Assignee: Takeda Pharmaceutical Company LimitedInventors: Haruyuki Nishida, Ikuo Fujimori
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Publication number: 20140243310Abstract: 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: ApplicationFiled: October 23, 2012Publication date: August 28, 2014Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Tohru Yamashita, Takuya Fujimoto, Ryo Mizojiri, Kazuko Yonemori, Hideki Hirose, Zenichi Ikeda, Ikuo Fujimori, Kyoko Toyofuku, Tsuneo Yasuma, Nobuyuki Matsunaga
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Patent number: 8722662Abstract: 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: GrantFiled: October 5, 2011Date of Patent: May 13, 2014Assignee: Takeda Pharmaceutical Company LimitedInventors: Yuji Ishichi, Masami Yamada, Taku Kamei, Ikuo Fujimori, Yoshihisa Nakada, Tomoya Yukawa, Nobuki Sakauchi, Yusuke Ohba, Tetsuya Tsukamoto
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Patent number: 8703758Abstract: 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: GrantFiled: April 26, 2011Date of Patent: April 22, 2014Assignee: Takeda Pharmaceutical Company LimitedInventors: Tohru Yamashita, Makoto Kamata, Hideki Hirose, Masataka Murakami, Takuya Fujimoto, Zenichi Ikeda, Tsuneo Yasuma, Ikuo Fujimori, Ryo Mizojiri, Tomoya Yukawa
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Publication number: 20140031393Abstract: 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: ApplicationFiled: October 1, 2013Publication date: January 30, 2014Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori