Patents by Inventor Kentaro Rikimaru
Kentaro Rikimaru 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: 11319286Abstract: The present invention provides a heterocyclic 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: GrantFiled: August 2, 2018Date of Patent: May 3, 2022Assignee: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Koichiro Fukuda, Hiromichi Sugimoto, Takahiro Matsumoto, Yuichi Kajita, Satoshi Mikami, Yuhei Miyanohana, Tatsuki Koike, Masaki Daini, Masaki Ogino, Kohei Takeuchi, Tohru Miyazaki, Yoshiteru Ito, Norihito Tokunaga, Takahiro Sugimoto, Tsuneo Oda, Yasutaka Hoashi, Yasushi Hattori, Keisuke Imamura
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Patent number: 11292766Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: GrantFiled: December 13, 2019Date of Patent: April 5, 2022Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Koichiro Fukuda, Hiromichi Sugimoto, Takahiro Matsumoto, Norihito Tokunaga, Mariko Hirozane
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Publication number: 20220081399Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: ApplicationFiled: January 21, 2021Publication date: March 17, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko FUJIMOTO, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Mariko HIROZANE
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Publication number: 20210269420Abstract: The present invention provides a heterocyclic 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: ApplicationFiled: June 27, 2019Publication date: September 2, 2021Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko FUJIMOTO, Koichiro FUKUDA, Hiromichi SUGIMOTO, Kentaro RIKIMARU, Yoshihiro BANNO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Yoshihide TOMATA, Yuji ISHICHI, Shogo MARUI, Tsuneo ODA, Tohru MIYAZAKI, Yasutaka HOASHI, Yasushi HATTORI, Yuichi KAJITA, Yuhei MIYANOHANA, Tatsuki KOIKE
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Patent number: 10898737Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: GrantFiled: May 13, 2019Date of Patent: January 26, 2021Assignee: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Hiromichi Sugimoto, Takahiro Matsumoto
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Publication number: 20200385346Abstract: The present invention provides a heterocyclic 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: ApplicationFiled: August 2, 2018Publication date: December 10, 2020Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko FUJIMOTO, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Yuichi KAJITA, Satoshi MIKAMI, Yuhei MIYANOHANA, Tatsuki KOIKE, Masaki DAINI, Masaki OGINO, Kohei TAKEUCHI, Tohru MIYAZAKI, Yoshiteru ITO, Norihito TOKUNAGA, Takahiro SUGIMOTO, Tsuneo ODA, Yasutaka HOASHI, Yasushi HATTORI, Keisuke IMAMURA
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Publication number: 20200115399Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: ApplicationFiled: December 13, 2019Publication date: April 16, 2020Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko FUJIMOTO, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Mariko HIROZANE
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Patent number: 10508083Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: GrantFiled: February 1, 2017Date of Patent: December 17, 2019Assignee: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Koichiro Fukuda, Hiromichi Sugimoto, Takahiro Matsumoto
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Publication number: 20190263843Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Mariko HIROZANE
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Patent number: 10287305Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: GrantFiled: February 1, 2017Date of Patent: May 14, 2019Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Hiromichi Sugimoto, Takahiro Matsumoto
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Publication number: 20190031611Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: ApplicationFiled: February 1, 2017Publication date: January 31, 2019Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko FUJIMOTO, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Mariko HIROZANE
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Publication number: 20170226137Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.Type: ApplicationFiled: February 1, 2017Publication date: August 10, 2017Applicant: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Kentaro Rikimaru, Koichiro Fukuda, Hiromichi Sugimoto, Takahiro Matsumoto, Norihito Tokunaga, Mariko Hirozane
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Patent number: 8410089Abstract: A compound represented by the following formula or a salt thereof, which has an GPR119 agonist action, is useful for the prophylaxis or treatment of diabetes, obesity and the like, and shows superior efficacy: wherein P: substituted 6-membered aromatic ring, Q: (substituted) 6-membered aromatic ring, A1: CR4aR4b, NR4c, O, S, SO or SO2 {R4a-4c: H etc.}, L1: (substituted) C1-5 alkylene, L2: a bond or (substituted) C1-3 alkylene, L3-4: (substituted) C1-3 alkylene, R1: H, X, CN, (substituted) hydrocarbon, (substituted) heterocycle or (substituted) OH, or (substituted) 4- to 8-membered (heterocyclic) ring together with A1, R2: H, CN, (substituted) hydrocarbon, and R3a: —COSRA1, (substituted) 5- or 6-membered aromatic ring {RA1: (substituted) hydrocarbon or (substituted) heterocycle}.Type: GrantFiled: February 17, 2010Date of Patent: April 2, 2013Assignee: Takeda Pharmaceutical Company LimitedInventors: Kentaro Rikimaru, Hiroshi Imoto, Masahiro Kamaura
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Publication number: 20120028962Abstract: A compound represented by the following formula or a salt thereof, which has an GPR119 agonist action, is useful for the prophylaxis or treatment of diabetes, obesity and the like, and shows superior efficacy: wherein P: substituted 6-membered aromatic ring, Q: (substituted) 6-membered aromatic ring, CR4aR4b, NR4c, O, S, SO or SO2 {R4a-4c: H etc.}, L1: (substituted) C1-5 alkylene, L2: a bond or (substituted) C1-3 alkylene, L3-4: (substituted) C1-3 alkylene, R1: H, X, CN, (substituted) hydrocarbon, (substituted) heterocycle or (substituted) OH, or (substituted) 4- to 8-membered (heterocyclic) ring together with A1, R2: H, CN, (substituted) hydrocarbon, and R3a: —COSRA1, (substituted) 5- or 6-membered aromatic ring {RA1: (substituted) hydrocarbon or (substituted) heterocycle}.Type: ApplicationFiled: February 17, 2010Publication date: February 2, 2012Inventors: Kentaro Rikimaru, Hiroshi Imoto, Masahiro Kamaura