Patents by Inventor Kazuyuki Ohmoto

Kazuyuki Ohmoto 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).

  • Tetrazole compounds and pharmaceutical agents containing such derivative
    Patent number: 6136834
    Abstract: A tetrazole derivative of formula (I) ##STR1## wherein R is H, alkyl, alkoxy, carbocyclic ring, alkyl or alkoxy substituted by carbocyclic ring;AA.sup.1 and AA.sup.2 is a bond or ##STR2## and ##STR3## respectively, or AA.sup.1 and AA.sup.2, together, may have the formula (a); ##STR4## and Y is formula (b) ##STR5## wherein the Tet ring is tetrazole; Z is alkylene, alkenylene, O, S, SO, SO.sub.2, NR.sup.26, methylene in alkylene replaced by O, S, --SO--, --SO.sub.2 -- or --NR.sup.26 --; and E is H, alkyl, or COOR.sup.27.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: October 24, 2000
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Kazuyuki Ohmoto, Makoto Tanaka, Tohru Miyazaki, Hiroyuki Ohno
  • Tetrazole compound
    Patent number: 5710153
    Abstract: A tetrazole derivatives of formula (I) ##STR1## a non-toxic salt thereof, an acid addition salt thereof or a hydrate thereof which has an inhibitory effect on interleukin-1.beta. converting enzyme (ICE).
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: January 20, 1998
    Assignee: Ono Phramaceutical Co., Ltd.
    Inventors: Kazuyuki Ohmoto, Makoto Tanaka, Tohru Miyazaki, Hiroyuki Ohno