Patents by Inventor Norikazu Ban

Norikazu Ban 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).

  • 3-Isoquinoliniomethyl cephalosporin derivatives
    Patent number: 4742053
    Abstract: The invention relates to an antibiotic comprising a compound having the formula: ##STR1## wherein R.sup.1 is a straight chain, branched chain, or cyclic lower alkyl group which may be substituted by a carboxyl group, and R.sup.2 designates vicinal dihydroxyl groups or diacetoxy groups; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: May 3, 1988
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Susumu Nakagawa, Ryosuke Ushijima, Eiichi Mano, Norikazu Ban, Minoru Sanada