Patents by Inventor Takanori Yasukouchi

Takanori Yasukouchi 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).

  • Heterocyclic methyl sulfone derivative
    Patent number: 7932271
    Abstract: Provided is a compound capable of inhibiting production or secretion of ? amyloid protein. A compound represented by the following formula (1): (wherein, R1 represents a heterocyclic group which may have a substituent, R2 represents a cyclic hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, R3 represents a cyclic hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, R4 represents a hydrogen atom or a C1-6 alkyl group, and X represents —S—, —SO— or —SO2—); an N-oxide or S-oxide thereof; a salt thereof; or a solvate thereof; and a medicament containing any of them.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: April 26, 2011
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Hideki Kubota, Takanori Yasukouchi, Satoru Miyauchi, Kayoko Motoki, Masanori Saito, Hitoshi Iimori
  • ?-amyloid protein production/secretion inhibitor
    Patent number: 7399775
    Abstract: Provided are novel compounds having an inhibitory activity against production or secretion of ?-amyloid protein. They embrace compounds represented by the following formula (1): and capable of being replaced with a variety of substituents; and salts thereof, and solvates of any one of them.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: July 15, 2008
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Takanori Yasukouchi, Masayuki Ito, Hideki Kubota, Satoru Miyauchi, Masanori Saito
  • BETA-AMYLOID PROTEIN PRODUCTION/SECRETION INHIBITORS
    Publication number: 20070293495
    Abstract: Provided are novel compounds having an inhibitory activity against production or secretion of ?-amyloid protein. They embrace compounds represented by the following formula (1): and capable of being replaced with a variety of substituents; and salts thereof, and solvates of any one of them.
    Type: Application
    Filed: July 27, 2007
    Publication date: December 20, 2007
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Takanori YASUKOUCHI, Masayuki Ito, Hideki Kubota, Satoru Miyauchi, Masanori Saito
  • Morpholine derivatives
    Publication number: 20060241302
    Abstract: Provided is a compound capable of inhibiting production or secretion of ? amyloid protein. A compound represented by the following formula (1): (wherein, R1 represents a heterocyclic group which may have a substituent, R2 represents a cyclic hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, R3 represents a cyclic hydrocarbon group which may have a substituent or a heterocyclic group which may have a substituent, R4 represents a hydrogen atom or a C1-6 alkyl group, and X represents —S—, —SO— or —SO2—); an N-oxide or S-oxide thereof; a salt thereof; or a solvate thereof; and a medicament containing any of them.
    Type: Application
    Filed: June 29, 2004
    Publication date: October 26, 2006
    Inventors: Hideki Kubota, Takanori Yasukouchi, Satoru Miyauchi, Kayoko Motoki, Masanori Saito, Hitoshi Iimori
  • Beta-amyloid protein production. secretion inhibitor
    Publication number: 20050234109
    Abstract: Provided are novel compounds having an inhibitory activity against production or secretion of ?-amyloid protein. They embrace compounds represented by the following formula (1): and capable of being replaced with a variety of substituents; and salts thereof, and solvates of any one of them.
    Type: Application
    Filed: December 27, 2002
    Publication date: October 20, 2005
    Applicant: Daiichi Pharmaceutical Co. Ltd.
    Inventors: Takanori Yasukouchi, Masayuki Ito, Hideki Kubota, Satoru Miyauchi, Masanori Saito