Patents by Inventor Takehiko Sasahara

Takehiko Sasahara 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: 20120015925
    Abstract: A pharmaceutical useful as a therapeutic agent and a preventive agent for hyperlipemia, and a pharmaceutical useful as a therapeutic agent and a preventive agent for hepatic disorders associated with cholestasis, particularly, primary biliary cirrhosis and primary sclerosing cholangitis, and a pharmaceutical useful as a therapeutic agent and a preventive agent for obesity, fatty liver and steatohepatitis are provided.
    Type: Application
    Filed: May 16, 2011
    Publication date: January 19, 2012
    Applicant: ASAHI KASEI PHARMA CORPORATION
    Inventors: Takehiko SASAHARA, Mitsunobu MOHRI, Ken-ichi KASAHARA
  • Patent number: 7973030
    Abstract: A pharmaceutical useful as a therapeutic agent and a preventive agent for hyperlipemia, and a pharmaceutical useful as a therapeutic agent and a preventive agent for hepatic disorders associated with cholestasis, particularly, primary biliary cirrhosis and primary sclerosing cholangitis, and a pharmaceutical useful as a therapeutic agent and a preventive agent for obesity, fatty liver and steatohepatitis are provided.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: July 5, 2011
    Assignee: Asahi Kasei Pharma Corporation
    Inventors: Takehiko Sasahara, Mitsunobu Mohri, Ken-Ichi Kasahara
  • Patent number: 7803792
    Abstract: A method for inhibiting ileal bile acid transporter activity in a subject, comprising administering to said subject an effective amount of a compound represented by formula (1):
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: September 28, 2010
    Assignee: Asahi Kasei Pharma Corporation
    Inventors: Takehiko Sasahara, Mitsunobu Mohri
  • Patent number: 7312208
    Abstract: Drugs useful for the treatment and prevention of hyperlipidemia, moreover drugs useful for the treatment and prevention of cholestasis-caused hepatopathy, particularly primary biliary cirrhosis and primary sclerosing cholangitis, and drugs for the treatment and prevention of obesity, fatty liver and steatohepatitis, containing as active ingredients benzothiazepine compounds having a thioamide bond and a quaternary ammonium substituent, represented by formula (1) below are provided. Also, drugs containing ileal bile acid transporter inhibiting compounds as active ingredients for the treatment and prevention of cholestasis-caused hepatopathy are provided.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: December 25, 2007
    Assignee: Asahi Kasei Pharma Corporation
    Inventors: Takehiko Sasahara, Mitsunobu Mohri
  • Publication number: 20070203115
    Abstract: A method for inhibiting ileal bile acid transporter activity in a subject, comprising administering to said subject an effective amount of a compound represented by formula (1):
    Type: Application
    Filed: April 30, 2007
    Publication date: August 30, 2007
    Applicant: Asahi Kasei Pharma Corporation
    Inventors: Takehiko Sasahara, Mitsunobu Mohri
  • Publication number: 20070190041
    Abstract: A pharmaceutical useful as a therapeutic agent and a preventive agent for hyperlipemia, and a pharmaceutical useful as a therapeutic agent and a preventive agent for hepatic disorders associated with cholestasis, particularly, primary biliary cirrhosis and primary sclerosing cholangitis, and a pharmaceutical useful as a therapeutic agent and a preventive agent for obesity, fatty liver and steatohepatitis are provided.
    Type: Application
    Filed: February 25, 2005
    Publication date: August 16, 2007
    Applicant: Ashai Kasei Pharama Corporation
    Inventors: Takehiko Sasahara, Mitsunobu Mohri, Ken-ichi Kasahara
  • Publication number: 20050009805
    Abstract: [Object] To provide a medicine useful for treatment and prevention of hyperlipidemia, further for the treatment and prevention of cholestasis-accompanying hepatopathy, particularly primary biliary cirrhosis and primary sclerosing cholangitis, and for the treatment and prevention of obesity and fatty liver. [Means] A benzothiazepine compound represented by the following formula (1), having a thioamide bond and a quaternary ammonium substituent.
    Type: Application
    Filed: August 26, 2003
    Publication date: January 13, 2005
    Inventors: Takehiko Sasahara, Mitsunobu Mohri
  • Patent number: 5200415
    Abstract: Described herein are pyrazolo[1,5-a]pyridine-3-carboxylic acid derivatives represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 individually mean a hydrogen atom or a lower alkyl group, R.sub.3 denotes an azabicyclo group containing a tertiary nitrogen atom, and Y stands for --O-- or --NH--, or salts thereof. Their preparation process and serotonin receptor antagonists containing them as active ingredients are also described.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: April 6, 1993
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Takeo Higashino, Yukio Suzuki, Takehiko Sasahara, Tetsu Saito, Daisuke Mochizuki