Patents by Inventor Ichiro Toida

Ichiro Toida 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).

  • Pyrazine derivatives
    Patent number: 5496949
    Abstract: This invention is to provide a pyrazine derivative capable of developing excellent therapeutic efficacy in infectious diseases caused by various acid-fast bacteria.The pyrazine derivative of this invention is represented by the general formula ##STR1## wherein R.sub.1 is an octyl group or a pivaloyloxymethyl group.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: March 5, 1996
    Assignee: Koei Chemical Co., Ltd.
    Inventors: Ichiro Toida, Setsuko Yamamoto, Nanao Watanabe, Toshikazu Ura