Patents by Inventor Nobuki Sakauchi

Nobuki Sakauchi 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).

  • Publication number: 20110039892
    Abstract: The present invention aims to provide a compound having a superior selective ?1D adrenergic receptor antagonistic action and useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula (I) wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 21, 2009
    Publication date: February 17, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshida, Yasuhisa Kohara, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20110039846
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 22, 2009
    Publication date: February 17, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshida, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20110034464
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: October 7, 2010
    Publication date: February 10, 2011
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato YOSHIDA, Nobuki Sakauchi, Ayumu Sato
  • Publication number: 20090270393
    Abstract: The present invention aims to provide an iminopyridine derivative compound having an ?1D adrenergic receptor antagonistic action, which is useful as an agent for the prophylaxis or treatment of a lower urinary tract disease and the like. The present invention provides a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: April 22, 2009
    Publication date: October 29, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: MASATO YOSHIDA, NOBUKI SAKAUCHI, AYUMU SATO
  • Publication number: 20090156572
    Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B is an aromatic ring optionally having substituent(s), ring C is a cyclic group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s) or an amino group optionally having substituent(s), R2 is an optionally halogenated C1-6 alkyl group, m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof and the like. Since the compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, gastrointestinal diseases, central nervous system diseases and the like.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 18, 2009
    Inventors: Yoshinori Ikeura, Junya Shirai, Hideyuki Sugiyama, Yuji Nishikimi, Taku Kamei, Nobuki Sakauchi
  • Publication number: 20080275085
    Abstract: The present invention provides a novel piperidine derivative and a tachykinin receptor antagonist containing same, as well as a compound represented by the formula: wherein R1 is carbamoylmethyl, methylsulfonylethylcarbonyl and the like; R2 is methyl or cyclopropyl; R3 is a hydrogen atom or methyl; R4 is a chlorine atom or trifluoromethyl; R5 is a chlorine atom or trifluoromethyl; and a group represented by the formula: is a group represented by the formula: wherein R6 is a hydrogen atom, methyl, ethyl or isopropyl; R7 is a hydrogen atom, methyl or a chlorine atom; and R8 is a hydrogen atom, a fluorine atom, a chlorine atom or methyl; or 3-methylthiophen-2-yl, and a salt thereof.
    Type: Application
    Filed: April 23, 2008
    Publication date: November 6, 2008
    Inventors: Junya Shirai, Shinji Morimoto, Hideyuki Sugiyama, Nobuki Sakauchi, Takeshi Yoshikawa
  • Publication number: 20070149570
    Abstract: The present invention relates to a compound represented by the formula: wherein Ar is a phenyl group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom, a C1-6 alkyl group optionally having substituent(s) or a C3-6 cycloalkyl group optionally having substituent(s), Z is a methylene group optionally having a C1-6 alkyl group, ring A is a piperidine ring optionally further having substituent(s), ring B and ring C are benzene rings optionally further having substituent(s), and R2 optionally form a ring together with the adjacent substituent on the ring B, except the compounds represented by the formula: or a salt thereof.
    Type: Application
    Filed: February 2, 2007
    Publication date: June 28, 2007
    Inventors: Yoshinori Ikeura, Junya Shirai, Takeshi Yoshikawa, Nobuki Sakauchi
  • Publication number: 20060142337
    Abstract: The present invention provides a compound represented by the formula: wherein Ar is an aryl group optionally having substituents, R is a C1-6 alkyl group, R1 is a hydrogen atom, a hydrocarbon group optionally having substituents, an acyl group or a heterocyclic group optionally having substituents, X is an oxygen atom or an imino group optionally having substituents, ring A is a piperidine ring optionally further having substituents, and ring B is a benzene ring having substituents, or a salt thereof, and an agent for the prophylaxis or treatment of lower urinary tract abnormality and the like, which contains the compound.
    Type: Application
    Filed: February 22, 2006
    Publication date: June 29, 2006
    Inventors: Yoshinori Ikeura, Tadatoshi Hashimoto, Haruyuki Nishida, Junya Shirai, Nobuki Sakauchi