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).

  • Patent number: 8008525
    Abstract: 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: Grant
    Filed: November 26, 2004
    Date of Patent: August 30, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Ryo Fujii, Makoto Kobayashi, Jinichi Yonemori, Toshio Tanaka
  • Patent number: 7960369
    Abstract: 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: Grant
    Filed: November 6, 2003
    Date of Patent: June 14, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
  • Patent number: 7795267
    Abstract: 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: Grant
    Filed: August 26, 2004
    Date of Patent: September 14, 2010
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Yutaka Nakayama, Naoki Tarui, Masaaki Mori, Hirokazu Matsumoto, Osamu Kurasawa, Hiroshi Banno
  • Publication number: 20100160255
    Abstract: 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: Application
    Filed: July 28, 2006
    Publication date: June 24, 2010
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Makoto Kamata, Kohji Fukatsu, Tohru Yamashita, Naoki Furuyama, Satoshi Endo
  • Publication number: 20100113418
    Abstract: 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: Application
    Filed: February 19, 2008
    Publication date: May 6, 2010
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita
  • Publication number: 20100093777
    Abstract: 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: Application
    Filed: January 24, 2008
    Publication date: April 15, 2010
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita
  • Publication number: 20090281097
    Abstract: 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: Application
    Filed: April 13, 2007
    Publication date: November 12, 2009
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Kohji Fukatsu, Makoto Kamata, Tohru Yamashita, Satoshi Endo
  • Patent number: 7553867
    Abstract: 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 a
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: June 30, 2009
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Kazumasa Hamamura, Shigekazu Sasaki, Yuichiro Amano, Junichi Sakamoto, Kohji Fukatsu
  • Publication number: 20090012093
    Abstract: 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: Application
    Filed: November 6, 2003
    Publication date: January 8, 2009
    Inventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
  • Publication number: 20080167378
    Abstract: 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: Application
    Filed: November 26, 2004
    Publication date: July 10, 2008
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Kohji Fukatsu, Ryo Fujii, Makoto Kobayashi, Jinichi Yonemori, Toshio Tanaka
  • Publication number: 20070072865
    Abstract: 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: Application
    Filed: August 26, 2004
    Publication date: March 29, 2007
    Inventors: Kohji Fukatsu, Yutaka Nakayama, Naoki Tarui, Masaaki Mori, Hirokazu Matsumoto, Osamu Kurasawa, Hiroshi Banno
  • Publication number: 20060258722
    Abstract: 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: Application
    Filed: May 28, 2004
    Publication date: November 16, 2006
    Applicant: TAKEDA PHARMACEUTICAL COMPANY., LTD.
    Inventors: Tsuneo Yasuma, Nobuyuki Negoro, Kohji Fukatsu
  • Publication number: 20060148858
    Abstract: 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: Application
    Filed: May 22, 2003
    Publication date: July 6, 2006
    Inventors: Tsuyoshi Maekawa, Ryoma Hara, Hiroyuki Odaka, Hiroyuki Kimura, Hideya Mizufune, Kohji Fukatsu
  • Publication number: 20060100261
    Abstract: 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
    Type: Application
    Filed: September 4, 2003
    Publication date: May 11, 2006
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED INTELLECTUAL PROPERTY DEPARTMENT
    Inventors: Kazumasa Hamamura, Shigekazu Sasaki, Yuichiro Amano, Junichi Sakamoto, Kohji Fukatsu
  • Patent number: 6218429
    Abstract: 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: Grant
    Filed: May 10, 1999
    Date of Patent: April 17, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto
  • Patent number: 6172085
    Abstract: 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: Grant
    Filed: February 8, 1999
    Date of Patent: January 9, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Tadatoshi Hashimoto, Kohji Fukatsu
  • Patent number: 6034239
    Abstract: 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: Grant
    Filed: March 6, 1997
    Date of Patent: March 7, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto
  • Patent number: 5922771
    Abstract: 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: Grant
    Filed: August 19, 1996
    Date of Patent: July 13, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Osamu Uchikawa, Kohji Fukatsu, Masaomi Miyamoto