Patents by Inventor Fjuio Iinuma

Fjuio Iinuma 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).

  • Benzoquinolizine carboxylic acid derivatives, and process for preparation thereof
    Patent number: 4599418
    Abstract: New compounds effective as antibacterial agent are disclosed. These new compounds include 8-[4-(4-aminobenzyl)-1-piperazinyl]-9-fluoro-6,7-dihydro-5-methyl-1-oxo-1H ,5H-benzo[ij]quinolizine-2-carboxylic acid, hydrates and acid addition salts thereof, and possess superior activities against gram-negative and gram-positive of aerobicbacteria.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: July 8, 1986
    Assignee: Kyorin Seiyaku Kabushiki Kaisha
    Inventors: Tsutomu Irikura, Satoshi Murayama, Fjuio Iinuma