Patents by Inventor Kumiko Nagata

Kumiko Nagata 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).

  • Anti-drug resistant strain agents and antichlamydia agents
    Patent number: 6395773
    Abstract: In order to provide antibacterial agents for drug-resistant bacteria and anti-Chlamydia agents, the furanonaphthoquinone derivative represented by the following formula (1): wherein each R may be the same or different, representing any one of the following (a) to (e): (wherein R′ is a hydrogen atom, alkyl group, hydroxyalkyl group, or alkoxyalkyl group), or two mutually adjacent Rs may be bonded via an oxygen atom to form a heterocyclic ring is used as the effective component.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: May 28, 2002
    Assignee: Japan Science and Technology Corporation
    Inventors: Keiichi Hirai, Kumiko Nagata, Junko Koyama, Toshio Kishimoto