Patents by Inventor Nozomu Sakai
Nozomu Sakai 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: 8937055Abstract: The present invention provides a compound having a muscle cell or adipocyte differentiation regulating action, useful for the prophylaxis or treatment of diseases such as diabetes, obesity, dyslipidemia and the like, and the like, and having superior efficacy. The present invention provides a compound represented by the formula: wherein each symbol is as defined in the description, or a salt thereof.Type: GrantFiled: July 14, 2011Date of Patent: January 20, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Osamu Ujikawa, Kazuaki Takami, Nobuyuki Takakura, Nozomu Sakai
-
Publication number: 20130296276Abstract: The present invention provides a compound having a muscle cell or adipocyte differentiation regulating action, useful for the prophylaxis or treatment of diseases such as diabetes, obesity, dyslipidemia and the like, and the like, and having superior efficacy. The present invention provides a compound represented by the formula: wherein each symbol is as defined in the description, or a salt thereof.Type: ApplicationFiled: July 14, 2011Publication date: November 7, 2013Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Osamu UJIKAWA, Kazuaki TAKAMI, Nobuyuki TAKAKURA, Nozomu SAKAI
-
Publication number: 20130116214Abstract: The present invention provides a compound having a muscle cell or adipocyte differentiation regulating action, useful for the prophylaxis or treatment of diseases such as diabetes, obesity, dyslipidemia and the like, and the like, and having superior efficacy. The present invention provides a compound represented by the formula: wherein each symbol is as defined in the description, or a salt thereof.Type: ApplicationFiled: July 14, 2011Publication date: May 9, 2013Inventors: Osamu Ujikawa, Kazuaki Takami, Nobuyuki Takakura, Nozomu Sakai
-
Patent number: 8273741Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof. A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: GrantFiled: November 3, 2008Date of Patent: September 25, 2012Assignee: Takeda Pharmaceutical Company LimitedInventors: Nozomu Sakai, Shinichi Imamura, Naoki Miyamoto, Takaharu Hirayama
-
Patent number: 8044049Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof. A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: GrantFiled: August 3, 2007Date of Patent: October 25, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Nozomu Sakai, Shinichi Imamura, Naoki Miyamoto, Takaharu Hirayama
-
Patent number: 8034812Abstract: The present invention provides an imidazopyridazine derivative compound having a potent kinase inhibitory activity and a pharmaceutical agent thereof useful for treatment or prevention of cancer and the like. One such compound is represented by the formula: or a salt thereof or a prodrug thereof. The pharmaceutical agent contains the imidazopyridazine derivative compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor, or a cancer metastasis suppressor.Type: GrantFiled: November 3, 2008Date of Patent: October 11, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Nozomu Sakai, Shinichi Imamura, Naoki Miyamoto, Takaharu Hirayama
-
Publication number: 20100273788Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof. A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: ApplicationFiled: November 3, 2008Publication date: October 28, 2010Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Nozomu SAKAI, Shinichi IMAMURA, Naoki MIYAMOTO, Takaharu HIRAYAMA
-
Publication number: 20100168424Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: ApplicationFiled: November 3, 2008Publication date: July 1, 2010Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Nozomu SAKAI, Shinichi IMAMURA
-
Publication number: 20100029619Abstract: The present invention provides a compound represented by the formula (I): wherein ring A is a ring which is optionally further substituted; R1 is a hydrogen atom or a substituent; R2 is a hydrogen atom or a substituent; R3 is a hydrogen atom or a substituent; R4 is a hydrogen atom or a substituent; R5 is a hydrogen atom or a substituent; R6 is a hydrogen atom or a substituent; X is ?N— or ?C(Z)- (Z is a hydrogen atom or a substituent); when X is ?C(Z)-, Z and R6 are optionally bonded to each other to form, together with the carbon atom bonded thereto, an optionally substituted ring, provided that when X is ?CH—, then R6 is not optionally substituted 2-piperidinyl, excluding N-imidazo[1,2-a]pyridin-2-yl-4-methyl-benzamide, N-imidazo[1,2-a]pyridin-2-yl-benzamide and N-(7-methylimidazo[1,2-a]pyridin-2-yl)-benzamide, or a salt thereof, and a pharmaceutical agent containing same.Type: ApplicationFiled: August 3, 2007Publication date: February 4, 2010Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMTEDInventors: Osamu Uchikawa, Nozomu Sakai, Yoshito Terao, Hideo Suzuki
-
Publication number: 20090306374Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof. A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: ApplicationFiled: November 3, 2008Publication date: December 10, 2009Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Nozomu SAKAI, Shinichi IMAMURA, Naoki MIYAMOTO, Takaharu HIRAYAMA
-
Patent number: 7585880Abstract: The present invention provides a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, a drug for the prophylaxis or treatment of diabetes and the like. A compound represented by the formula (I) wherein each symbol is as defined in the specification, a salt thereof and a prodrug thereof have unexpectedly superior GPR40 receptor agonist activity and also show superior properties as a pharmaceutical product, such as stability and the like. Thus, they can be safe and useful drugs for the prophylaxis or treatment of GPR40 receptor related conditions or diseases in mammals.Type: GrantFiled: December 24, 2004Date of Patent: September 8, 2009Assignee: Takeda Pharmaceutical Company LimitedInventors: Tsuneo Yasuma, Shinobu Sasaki, Nozomu Sakai
-
Publication number: 20090137595Abstract: The present invention provides a fused heterocyclic derivative having a potent kinase inhibitory activity and use thereof. A compound represented by the formula (I): wherein each symbol is as defined in the specification, except a particular compound, or a salt thereof, and a pharmaceutical agent containing the compound or a prodrug thereof, which is a kinase (VEGFR, VEGFR2, PDGFR, Raf) inhibitor, an angiogenesis inhibitor, an agent for the prophylaxis or treatment of cancer, a cancer growth inhibitor or a cancer metastasis suppressor.Type: ApplicationFiled: August 3, 2007Publication date: May 28, 2009Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Nozomu Sakai, Shinichi Imamura, Naoki Miyamoto, Takaharu Hirayama
-
Patent number: 7517910Abstract: The present invention aims at provision of a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, an agent for the prophylaxis or treatment of diabetes and the like. The compound represented by the formula: wherein each symbol is as defined in the description, a salt thereof, and a prodrug thereof of the present invention unexpectedly have a superior GPR40 receptor agonistic activity and superior properties as pharmaceutical products such as stability and the like, and can be safe and useful pharmaceutical agents as agents for the prophylaxis or treatment of GPR40 receptor-related pathology or diseases in mammals.Type: GrantFiled: March 28, 2005Date of Patent: April 14, 2009Assignee: Takeda Pharmaceutical Company LimitedInventors: Tsuneo Yasuma, Shuji Kitamura, Nozomu Sakai
-
Publication number: 20080287438Abstract: The present invention provides an agent for preventing or treating neuropathy having superior action and low toxicity. This agent comprises a compound represented by the formula: wherein ring A is a 5-membered aromatic heterocycle containing 2 or more nitrogen atoms, which may further have substituent(s); B is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; X is a divalent acyclic hydrocarbon group; Z is —O—, —S—, —NR2—, —CONR2— or —NR2CO— (R2 is a hydrogen atom or an optionally substituted alkyl group); Y is a bond or a divalent acyclic hydrocarbon group; R1 is an optionally substituted cyclic group, an optionally substituted amino group or an optionally substituted acyl group, provided that when the 5-membered aromatic heterocycle represented by ring A is imidazole, then Z should not be —O—, or a salt thereof.Type: ApplicationFiled: July 15, 2008Publication date: November 20, 2008Inventors: Yu Momose, Nozomu Sakai, Tsuyoshi Maekawa, Masatoshi Hazama, Toru Kawamura, Misayo Sera
-
Patent number: 7423159Abstract: The present invention provides an agent for preventing or treating neuropathy having superior action and low toxicity. This agent comprises a compound represented by the formula: wherein ring A is a 5-membered aromatic heterocycle containing 2 or more nitrogen atoms, which may further have substituent(s); B is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; X is a divalent acyclic hydrocarbon group; Z is —O—, —S—, —NR2—, —CONR2— or —NR2CO— (R2 is a hydrogen atom or an optionally substituted alkyl group); Y is a bond or a divalent acyclic hydrocarbon group; R1 is an optionally substituted cyclic group, an optionally substituted amino group or an optionally substituted acyl group, provided that when the 5-membered aromatic heterocycle represented by ring A is imidazole, then Z should not be —O—, or a salt thereof.Type: GrantFiled: October 30, 2003Date of Patent: September 9, 2008Assignee: Takeda Pharmaceutical Company LimitedInventors: Yu Momose, Nozomu Sakai, Tsuyoshi Maekawa, Masatoshi Hazama, Toru Kawamura
-
Publication number: 20070213364Abstract: The present invention aims at provision of a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, an agent for the prophylaxis or treatment of diabetes and the like. The compound represented by the formula: wherein each symbol is as defined in the description, a salt thereof, and a prodrug thereof of the present invention unexpectedly have a superior GPR40 receptor agonistic activity and superior properties as pharmaceutical products such as stability and the like, and can be safe and useful pharmaceutical agents as agents for the prophylaxis or treatment of GPR40 receptor-related pathology or diseases in mammals.Type: ApplicationFiled: March 28, 2005Publication date: September 13, 2007Inventors: Tsuneo Yasuma, Shuji Kitamura, Nozomu Sakai
-
Publication number: 20070155808Abstract: The present invention provides a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, a drug for the prophylaxis or treatment of diabetes and the like. A compound represented by the formula (I) wherein each symbol is as defined in the specification, a salt thereof and a prodrug thereof have unexpectedly superior GPR40 receptor agonist activity and also show superior properties as a pharmaceutical product, such as stability and the like. Thus, they can be safe and useful drugs for the prophylaxis or treatment of GPR40 receptor related conditions or diseases in mammals.Type: ApplicationFiled: December 24, 2004Publication date: July 5, 2007Inventors: Tsuneo Yasuma, Shinobu Sasaki, Nozomu Sakai
-
Patent number: 7183276Abstract: The present invention provides a compound represented by the formula (I) wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group, an optionally substituted hydroxy group, an optionally substituted thiol group or an optionally substituted amino group, A is an optionally substituted cyclic amino group or —NR2—W—D wherein R2 is a hydrogen atom or an alkyl group, W is a bond or a divalent acyclic hydrocarbon group, and D is an optionally substituted cyclic group, an optionally substituted amino group or an optionally substituted acyl group, B is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, X is an oxygen atom, a sulfur atom or an optionally substituted nitrogen atom, and Y is a bond or a divalent acyclic hydrocarbon group, or a salt thereof, which is useful for the prophylaxis or treatment of diabetic neuropathy and the like.Type: GrantFiled: February 27, 2003Date of Patent: February 27, 2007Assignee: Takeda Pharmaceutical Company LimitedInventors: Nozomu Sakai, Yu Momose, Katsuhito Murase, Masatoshi Hazama
-
Publication number: 20060084690Abstract: A compound represented by the formula (I) wherein one of R1 and R2 is a hydrogen atom or a substituent and the other is an optionally substituted cyclic group; W is a bond or a divalent aliphatic hydrocarbon group; Y is a group of the formula: —OR3 (wherein R is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group or an optionally substituted acyl group) or an optionally esterified or amidated carboxyl group, or a salt thereof or a prodrug thereof has a superior insulin secretion promoting action and a hypoglycemic action and shows low toxicity. Therefore, the compound is useful as a pharmaceutical agent, particularly as an agent for the prophylaxis or treatment of diabetes and diabetic complications, and the like.Type: ApplicationFiled: December 6, 2005Publication date: April 20, 2006Inventors: Yu Momose, Tsuyoshi Maekawa, Tomoko Asakawa, Nozomu Sakai
-
Patent number: 7022725Abstract: A compound represented by the formula (I) wherein one of R1 and R2 is a hydrogen atom or a substituent and the other is an optionally substituted cyclic group; W is a bond or a divalent aliphatic hydrocarbon group; Y is a group of the formula: —OR3 (wherein R3 is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group or an optionally substituted acyl group) or an optionally esterified or amidated carboxyl group, or a salt thereof or a prodrug thereof has a superior insulin secretion promoting action and a hypoglycemic action and shows low toxicity. Therefore, the compound is useful as a pharmaceutical agent, particularly as an agent for the prophylaxis or treatment of diabetes and diabetic complications, and the like.Type: GrantFiled: November 16, 2001Date of Patent: April 4, 2006Assignee: Takeda Pharmaceutical Company LimitedInventors: Yu Momose, Tsuyoshi Maekawa, Tomoko Asakawa, Nozomu Sakai