Patents by Inventor Tomoko Soneda

Tomoko Soneda 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).

  • 5-(4-piperidinyl)dibenzothiazepine derivatives and 5-(4-piperidinyl)dibenzoxazepine derivatives, and antiarrhythmic agents
    Patent number: 6063779
    Abstract: An objective of the present invention is to provide a compound that has antiarrhythmic activity. The present invention provides a compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represent H, halogen or lower alkyl which may be substituted by halogen; A represents H, C3-6 cycloalkyl, phenyl which may be substituted by halogen, nitro, or lower alkoxy, a 5-membered or 6-membered heterocyclic ring which may contain N and/or S, --NR.sup.3 R.sup.4 (wherein R.sup.3 and R.sup.4 each represent H or lower alkyl which may be substituted by phenyl), or COR.sup.5 (wherein R.sup.5 represents OH, amino or lower alkoxy); Q represents S or O; m represents 0-18; and n represents 0-2, and pharmaceutically acceptable salts and solvates thereof.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: May 16, 2000
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Kiyoaki Katano, Takahiko Satoh, Tomoko Soneda, Naoko Kamitoh, Kazuyuki Fujishima, Mitsugu Hachisu