Patents by Inventor Kohji Fukatsu
Kohji Fukatsu 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: 8008525Abstract: An agent for regulating 14273 receptor function, which is useful as a preventing or treating drug for diabetes mellitus, hyperlipidemia or the like, is provided. An agent for regulating 14273 receptor function comprising a compound containing an aromatic ring and a group capable of releasing a cation.Type: GrantFiled: November 26, 2004Date of Patent: August 30, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Ryo Fujii, Makoto Kobayashi, Jinichi Yonemori, Toshio Tanaka
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Patent number: 7960369Abstract: The GPR40 receptor function regulator of the present invention, which comprises a compound having an aromatic ring and a group capable of releasing cation is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.Type: GrantFiled: November 6, 2003Date of Patent: June 14, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
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Patent number: 7795267Abstract: The present invention provides a compound represented by the formula: wherein R1 is —(C?O)—NR7R8 or —(C?O)—OR6, R2 is a hydrocarbon group which may be substituted or the like, R3 is a hydrocarbon group which may be substituted or the like, R4 is a hydrocarbon group which may be substituted or the like, n is from 0 to 4, and X is an oxygen atom, or a salt thereof. The invention also provides a compound which has a TGR23 antagonist activity and thus is useful for prevention and treatment of cancer.Type: GrantFiled: August 26, 2004Date of Patent: September 14, 2010Assignee: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Yutaka Nakayama, Naoki Tarui, Masaaki Mori, Hirokazu Matsumoto, Osamu Kurasawa, Hiroshi Banno
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Publication number: 20100160255Abstract: The present invention provides a compound represented by the formula (I): wherein E is an optionally substituted cyclic group; D is a carbonyl group or a sulfonyl group; A is CH or N; ring P is an optionally further substituted 5- to 7-membered ring; ring Q is an optionally further substituted 5- to 7-membered nonaromatic ring; and ring R is an optionally further substituted and optionally condensed 5- to 7-membered nonaromatic ring, or a salt thereof. The compound of the present invention has an ACC inhibitory activity, is useful for the prophylaxis or treatment of obesity, diabetes, hypertension, hyperlipidemia, cardiac failure, diabetic complications, metabolic syndrome, sarcopenia and the like, and has superior properties in the efficacy, duration of activity, specificity, low toxicity and the like.Type: ApplicationFiled: July 28, 2006Publication date: June 24, 2010Applicant: Takeda Pharmaceutical Company LimitedInventors: Makoto Kamata, Kohji Fukatsu, Tohru Yamashita, Naoki Furuyama, Satoshi Endo
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Publication number: 20100113418Abstract: The present invention provides a compound having an ACC inhibitory action, which is useful 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 provides a compound represented by the formula (I): wherein each symbol is as in the specification, or a salt thereof.Type: ApplicationFiled: February 19, 2008Publication date: May 6, 2010Applicant: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita
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Publication number: 20100093777Abstract: The present invention aims to provide a compound having an acetyl-CoA carboxylase (ACC) inhibitory action, which is useful 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 provides a compound represented by the formula (I): wherein R1 is a hydrogen atom or a substituent; ring P is an optionally substituted 6-membered nitrogen-containing aromatic heterocycle; ring Q is an optionally further substituted 5- to 7-membered nitrogen-containing non-aromatic heterocycle; and ring R is an optionally fused 5- to 7-membered non-aromatic ring, which is further optionally substituted, or a salt thereof.Type: ApplicationFiled: January 24, 2008Publication date: April 15, 2010Applicant: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita
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Publication number: 20090281097Abstract: The object of the present invention is to provide a compound having an ACC inhibitory action, which is useful for the prophylaxis or treatment of obesity, diabetes, hypertension, hyperlipidemia, cardiac failure, diabetic complications, metabolic syndrome, sarcopenia and the like, and has superior properties such as efficacy, duration of activity, specificity, low toxicity and the like.Type: ApplicationFiled: April 13, 2007Publication date: November 12, 2009Applicant: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita, Satoshi Endo
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Patent number: 7553867Abstract: The present invention provides a compound represented by the formula (I): [wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, p is 0, 1 or 2, and when p is 2, each R may be the same or different, R1 is a hydrogen atom or an optionally substituted hydrocarbon group, R2 is an optionally substituted aromatic group, Ring A is an optionally substituted monocyclic aromatic ring or optionally substituted bicyclic aromatic fused ring, X1 is an oxygen atom or a sulfur atom, X2 is a bond, an oxygen atom or —S(O)n— (wherein n is 0, 1 or 2), Y is a bond, an oxygen atom, —S(O)m—, —C(?O)—N(R3)— or —N(R3)—C(?O)— (R3 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, and m is 0, 1 or 2), M1, M2 and M3 may be the same or different and are each independently a bond or an optionally substituted divalent aliphatic hydrocarbon group, and M4 is an optionally substituted divalent aliphatic hydrocarbon group] or aType: GrantFiled: September 4, 2003Date of Patent: June 30, 2009Assignee: Takeda Pharmaceutical Company LimitedInventors: Kazumasa Hamamura, Shigekazu Sasaki, Yuichiro Amano, Junichi Sakamoto, Kohji Fukatsu
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Publication number: 20090012093Abstract: The GPR40 receptor function regulator of the present invention, which comprises a compound having an aromatic ring and a group capable of releasing cation is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.Type: ApplicationFiled: November 6, 2003Publication date: January 8, 2009Inventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
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Publication number: 20080167378Abstract: An agent for regulating 14273 receptor function, which is useful as a preventing or treating drug for diabetes mellitus, hyperlipidemia or the like, is provided. An agent for regulating 14273 receptor function comprising a compound containing an aromatic ring and a group capable of releasing a cation.Type: ApplicationFiled: November 26, 2004Publication date: July 10, 2008Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Kohji Fukatsu, Ryo Fujii, Makoto Kobayashi, Jinichi Yonemori, Toshio Tanaka
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Publication number: 20070072865Abstract: The present invention provides a compound represented by the formula: wherein R1 is an acyl group, R2 is a hydrocarbon group which may be substituted or the like, R3 is a hydrocarbon group which may be substituted or the like, R4 is a hydrocarbon group which may be substituted or the like, n is from 0 to 4, and X is an oxygen atom, a sulfur atom or the like, or a salt thereof. The invention also provides a compound which has a TGR23 antagonist activity and thus is useful for prevention and treatment of cancer.Type: ApplicationFiled: August 26, 2004Publication date: March 29, 2007Inventors: Kohji Fukatsu, Yutaka Nakayama, Naoki Tarui, Masaaki Mori, Hirokazu Matsumoto, Osamu Kurasawa, Hiroshi Banno
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Publication number: 20060258722Abstract: The present invention aims at providing a novel fused ring compound having a GPR40 receptor function modulating action and being useful as an insulin secretagogue or a pharmaceutical agent for the prophylaxis or treatment of diabetes, more particularly, a compound represented by the formula: wherein Ar is an optionally substituted cyclic group, ring A is a ring optionally further substituted (provided that the ring is not thiazole, oxazole, imidazole and pyrazole), Xa and Xb are each independently a bond or a spacer having a main chain of 1 to 5 atom(s), Xc is O, S, SO or SO2, ring B is a 5- to 7-membered ring, Xd is a bond, CH or CH2, is a single bond when Xd is a bond or CH2, or a double bond when Xd is CH, and R1 is an optionally substituted hydroxy group, and a salt thereof.Type: ApplicationFiled: May 28, 2004Publication date: November 16, 2006Applicant: TAKEDA PHARMACEUTICAL COMPANY., LTD.Inventors: Tsuneo Yasuma, Nobuyuki Negoro, Kohji Fukatsu
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Publication number: 20060148858Abstract: A compound represented by the formula (1) wherein ring A is a ring optionally having 1 to 3 substituents; ring B is a 1,2-azole ring which may further have 1 to 3 substituents; Xa, Xb and Xc are the same or different and each is a bond, —O—, —S— and the like; Ya is a divalent aliphatic hydrocarbon residue having 1 to 20 carbon atoms; Yb and Yc are the same or different and each is a bond or a divalent aliphatic hydrocarbon residue having 1 to 20 carbon atoms; ring C is a monocyclic aromatic ring which may further have 1 to 3 substituents; and R represents —OR4 (R4 is hydrogen atom or optionally substituted hydrocarbon group) and the like, or a salt thereof or a prodrug thereof is useful as an agent for the prophylaxis or treatment of diabetes and the like.Type: ApplicationFiled: May 22, 2003Publication date: July 6, 2006Inventors: Tsuyoshi Maekawa, Ryoma Hara, Hiroyuki Odaka, Hiroyuki Kimura, Hideya Mizufune, Kohji Fukatsu
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Publication number: 20060100261Abstract: The present invention provides a compound represented by the formula (I): [wherein R is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, p is 0, 1 or 2, and when p is 2, each R may be the same or different, R1 is a hydrogen atom or an optionally substituted hydrocarbon group, R2 is an optionally substituted aromatic group, Ring A is an optionally substituted monocyclic aromatic ring or optionally substituted bicyclic aromatic fused ring, X1 is an oxygen atom or a sulfur atom, X2 is a bond, an oxygen atom or —S(O)n— (wherein n is 0, 1 or 2), Y is a bond, an oxygen atom, —S(O)m—, —C(?O)—N(R3)— or —N(R3)—C(?O)— (R3 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, and m is 0, 1 or 2), M1, M2 and M3 may be the same or different and are each independently a bond or an optionally substituted divalent aliphatic hydrocarbon group, and M4 is an optionally substituted divalent aliphatic hydrocarbon group] orType: ApplicationFiled: September 4, 2003Publication date: May 11, 2006Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED INTELLECTUAL PROPERTY DEPARTMENTInventors: Kazumasa Hamamura, Shigekazu Sasaki, Yuichiro Amano, Junichi Sakamoto, Kohji Fukatsu
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Patent number: 6218429Abstract: A compound of the formula: wherein R1 is an optionally substituted hydrocarbon, amino or heterocyclic group; R2 is H or an optionally substituted hydrocarbon group; R3 is H or an optionally substituted hydrocarbon or heterocyclic group; X is CHR4, NR4, O or S in which R4 is H or an optionally substituted hydrocarbon group; Y is C, CH or N; ring A is optionally substituted 5- to 7-membered ring; ring B is an optionally substituted benzene ring; and m is 1 to 4, or a salt thereof, a process for producing it, an intermediate for the production and a pharmaceutical composition comprising it are provided.Type: GrantFiled: May 10, 1999Date of Patent: April 17, 2001Assignee: Takeda Chemical Industries, Ltd.Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto
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Patent number: 6172085Abstract: A compound of the formula: wherein R1 and R2 each represents hydrogen, lower alkyl which may be substituted or acyl; R3, R4 and R5 each represents lower alkyl which may be substituted or lower alkoxy which may be substituted or R4 and R5 taken together represent a 5- or 6-membered carbocyclic group; R6 represents lower alkyl; Ar represents an aromatic group which may be substituted; ring A represents a 5- to 8-membered nitrogen-containing heterocyclic ring which may be substituted; X represents lower alkylene which may be substituted; Y represents carbon or nitrogen; Za represents CH2, COCH2, OCH2, SCH2, NHCH2, etc.; Zb represents a bond or a divalent aliphatic hydrocarbon group which may be substituted and may contain O, N or S; and m represents an integer of 1 to 3, or a salt thereof is useful for a pharmaceutical composition for modulating sodium channel.Type: GrantFiled: February 8, 1999Date of Patent: January 9, 2001Assignee: Takeda Chemical Industries, Ltd.Inventors: Shigenori Ohkawa, Tadatoshi Hashimoto, Kohji Fukatsu
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Patent number: 6034239Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is an optionally substituted hydrocarbon, amino or heterocyclic group; R.sup.2 is H or an optionally substituted hydrocarbon group; R.sup.3 is H or an optionally substituted hydrocarbon or heterocyclic group; X is CHR.sup.4, NR.sup.4, O or S in which R.sup.4 is H or an optionally substituted hydrocarbon group; Y is C, CH or N; ring A is optionally substituted 5- to 7-membered ring; ring B is an optionally substituted benzene ring; and m is 1 to 4, or a salt thereof, a process for producing it, an intermediate for the production and a pharmaceutical composition comprising it are provided.Type: GrantFiled: March 6, 1997Date of Patent: March 7, 2000Assignee: Takeda Chemical Industries, Ltd.Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto
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Patent number: 5922771Abstract: A compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent H or an optionally substituted hydrocarbon group; R.sup.3 represents an optionally substituted hydrocarbon group; R.sup.4 represents H or a hydrocarbon group; ring A represents a substituted benzene ring; X represents a C.sub.2-4 alkylene group etc.; and Y represents a bond or a lower alkylene group, or salts thereof is useful as prophylactic or therapeutic agents of diseases related with melatonin activity.Type: GrantFiled: August 19, 1996Date of Patent: July 13, 1999Assignee: Takeda Chemical Industries, Ltd.Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto