Patents by Inventor Itsuro Yokota

Itsuro Yokota 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).

  • Benzofuran derivative and pharmaceutical comprising the same as active ingredient
    Patent number: 5244918
    Abstract: The present invention relates to a benzofuran derivative having the following general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and represent a hydrogen atom or a lower alkyl group and R.sup.3 represents a group --CH.dbd.CH--CH.dbd.CH--CH.sub.3 or a group --(CH.sub.2).sub.4 CH.sub.3, a process for the preparation of the same, an anti-inflammation and anti-allergic agent comprising the same as an effective component, and a novel microorganism producing the compound.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: September 14, 1993
    Assignee: Meiji Milk Products Co., Ltd.
    Inventors: Yoshio Sato, Naoki Taketomo, Yoshihiro Yoshiyama, Katsumi Ajisaka, Itsuro Yokota