Patents by Inventor Yumiko Shibouta

Yumiko Shibouta 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: 7135490
    Abstract: A treatment for glomerulonephritis is disclosed comprising administering (±)-1-(cyclohexyloxycarbonyloxy)ethyl 2-ethoxy-1 -[[2?-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: November 14, 2006
    Assignee: Takeda Pharmaceutical Company, Limited
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Publication number: 20040082636
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I) 1
    Type: Application
    Filed: October 2, 2003
    Publication date: April 29, 2004
    Applicant: TAKEDA CHEMICAL INDUSTRIES, LTD.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 6686383
    Abstract: This invention relates to methods for the prophylaxis or treatment of diabetic nephropathy comprising, administering as an active ingredient, a compound, or salt thereof, of formula (I) wherein R1 stands for H or lower alkyl; R2 stands for an optionally esterified carboxyl group; R3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring; Y stands for a bond, —O—, —S(O)m— wherein m stands for 0, 1 or 2, or —N(R4)— wherein R4 stands for H or an optionally substituted alkyl group).
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: February 3, 2004
    Assignee: Takeda Chemical Industries, LTD
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Publication number: 20030114509
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I) 1
    Type: Application
    Filed: August 26, 2002
    Publication date: June 19, 2003
    Applicant: TAKEDA CHEMICAL INDUSTRIES, LTD.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 6469037
    Abstract: This invention relates to methods for lowering urinary total protein comprising, administering as an active ingredient, a compound or salt thereof represented by general formula (I) wherein R1 stands for H or alkyl; R2 stands for an optionally esterified carboxyl group; R3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R2; Y stands for a bond, —O—, —S(O)m— wherein m stands for 0, 1 or 2, or —N(R4)— wherein R4 stands for H or an optionally substituted alkyl group.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: October 22, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Publication number: 20020045652
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general fornula (I) 1
    Type: Application
    Filed: October 16, 2001
    Publication date: April 18, 2002
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Publication number: 20010051631
    Abstract: Tricyclic compound of the formula: 1
    Type: Application
    Filed: June 4, 2001
    Publication date: December 13, 2001
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 6319938
    Abstract: Prophylactic or therapeutic drugs for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by formula (I) wherein R1 stands for H or an optionally substituted hydrocarbon residue; R2 stands for an optionally esterified carboxyl group; R3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R2; Y stands for a bond, —O—, —S(O)m—, wherein m stands for 0, 1 or 2, or —N(R4)— wherein R4 stands for H or an optionally substituted alkyl group are disclosed.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: November 20, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 6251905
    Abstract: Tricyclic compound of the formula: wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted mecapto group, excluding for methyl group as Y; R1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group or an acyl group, or a salt thereof, having excellent PDGF-inhibiting activities, antihypertensive activities, activities of ameliorating renal diseases and activities of lowering lipid level.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: June 26, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 6235731
    Abstract: A novel compound of the formula: wherein ring Q is an optionally substituted pyridine ring; One of R0, R1 and R2 is —Y0—Z0, and the other tow groups are a hydrogen, a halogen, an optionally substituted hydroxy group, a hydrocarbon group that may be an optionally substituted hydrocarbon group or an acyl group; Y0 is a bond or an optionally substituted bivalent hydrocarbon group; Z0 is a basic group which may be bonded via oxygen, nitrogen, —CO—, —CS—, —SO2N(R3)— (where R3 is hydrogen or an optionally substituted hydrocarbon group), or S(O)n (wherein n is to 0, 1 or 2); ......... is a single bond or a double bond, or a salt thereof, which has an excellent LDL receptor up-regulating, blood-lipids lowering, blood-sugar lowering and diabetic complication-ameliorating activity.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: May 22, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yumiko Shibouta, Yasuo Sugiyama, Tetsuji Kawamoto, Muneo Takatani
  • Patent number: 6040324
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I) ##STR1## wherein R.sup.1 stands for H or an optionally substituted hydrocarbon residue; R.sup.2 stands for an optionally esterified carboxyl group; R.sup.3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R.sup.2 ; Y stands for a bond, --O--, --S(O).sub.m -- (wherein m stands for 0, 1 or 2), or --N(R.sup.4)-- (wherein R.sup.4 stands for H or an optionally substituted alkyl group).
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: March 21, 2000
    Assignee: Takeda Chemical Industries, Inc.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 5958942
    Abstract: Tricyclic compound of the formula: ##STR1## wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted mecapto group, excluding for methyl group as Y; R.sup.1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group or an acyl group, or a salt thereof, having excellent PDGF-inhibiting activities, antihypertensive activities, activities of ameliorating renal diseases and activities of lowering lipid level.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: September 28, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 5889036
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I) ##STR1## wherein R.sup.1 stands for H or an optionally substituted hydrocarbon residue; R.sup.2 stands for an optionally esterified carboxyl group; R.sup.3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R.sup.2 ; Y stands for a bond, --O--, --S(O).sub.m -- (wherein m stands for 0, 1 or 2), or --N(R.sup.4)-- (wherein R.sup.4 stands for H or an optionally substituted alkyl group).
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: March 30, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 5719173
    Abstract: This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I) ##STR1## wherein R.sup.1 stands for H or an optionally substituted hydrocarbon residue; R.sup.2 stands for an optionally esterified carboxyl group; R.sup.3 stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R.sup.2 ; Y stands for a bond, --O--, --S(O).sub.m -- (wherein m stands for 0, 1 or 2), or --N(R.sup.4)-- (wherein R.sup.4 stands for H or an optionally substituted alkyl group).
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: February 17, 1998
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kohei Nishikawa, Yumiko Shibouta, Keiji Kubo
  • Patent number: 5587383
    Abstract: A calmodulin inhibitory composition containing a compound of the formula (I): ##STR1## as well as an angiogenesis inhibitory composition containing a compound of the formula (1): ##STR2## are disclosed.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: December 24, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yoshio Kozai, Kiminori Tomimatsu, Yumiko Shibouta
  • Patent number: 5395839
    Abstract: A calmodulin inhibitory composition containing a compound of the formula (I): ##STR1## as well as an angiogenesis inhibitory composition containing a compound of the formula (1): ##STR2## are disclosed.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: March 7, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takatani Muneo, Yoshio Kozai, Kiminori Tomimatsu, Yumiko Shibouta
  • Patent number: 5244908
    Abstract: A calmodulin inhibitory composition containing a compound of the formula (I): ##STR1## as well as an angiogenesis inhibitory composition containing a compound of the formula (1): ##STR2## are disclosed.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: September 14, 1993
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yoshio Kozai, Kiminori Tomimatsu, Yumiko Shibouta