Patents by Inventor Saki Kakutani

Saki Kakutani 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).

  • Quinazoline derivatives and applications thereof
    Patent number: 5814631
    Abstract: A chymase inhibitor containing as its effective ingredient a quinazoline derivative, or a pharmaceutically acceptable salt thereof, having the formula (1): ##STR1## and a pharmaceutical preparation for the prevention of cardiac and circulatory system diseases derived from abnormal exacerbation of Ang II production containing the same as its effective ingredient.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: September 29, 1998
    Assignee: Suntory Limited
    Inventors: Harukazu Fukami, Akiko Ito, Shinjiro Niwata, Saki Kakutani, Motoo Sumida, Yoshinobu Kiso
  • Imidazolidine derivative and use thereof
    Patent number: 5691335
    Abstract: The invention relates to an imidazolidine derivative represented by the following general formula (1): ##STR1## wherein A and B mean individually an aromatic hydrocarbon group which may be substituted by 1-3 substituents selected from halogen atoms, C.sub.1-4 alkyl groups, C.sub.1-4 alkoxy groups, C.sub.1-4 alkylenedioxy groups, a phenoxy group, a nitro group, a cyano group, a phenyl group, C.sub.2-5 alkanoylamino groups, a carboxyl group which may be esterified with a C.sub.1-4 alkyl or alkenyl group, carboxyalkyl groups which may be esterified with a C.sub.1-4 alkyl or alkenyl group, carboxyalkyloxy groups which may be esterified with a C.sub.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: November 25, 1997
    Assignee: Suntory Limited
    Inventors: Harukazu Fukami, Motoo Sumida, Shinjiro Niwata, Saki Kakutani, Saitoh Masayuki, Shibata Hiroshi, Kiso Yoshinobu