Patents by Inventor Tadayasu Okazaki

Tadayasu Okazaki 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).

  • Novel tripetide derivatives
    Patent number: 4902781
    Abstract: Tripeptide derivatives of the formula ##STR1## wherein R is a formyl group or a dimethoxymethyl group have antitumor and enzyme inhibition effects.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: February 20, 1990
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Kazutoshi Mizoue, Tadayasu Okazaki, Kazunori Hanada, Sadafumi Omura, Toshiro Amamoto