Patents by Inventor Mamoru Sugimito

Mamoru Sugimito 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).

  • Phenylalanylarginine derivatives, process for producing same and method for measuring activity of enzymes using same
    Patent number: 4379764
    Abstract: A phenylalanylarginine derivative represented by the formula, ##STR1## wherein R.sub.1 represents hydrogen or an amino-protecting group; R.sub.2 and R.sub.3 represent hydrogen or guanidino-protecting groups; R.sub.4 represents naphthyl. The above compound is useful as an excellent substrate for various enzymes, such as trypsin, plasmin, kallikrein, urokinase, Cl-esterase and the like. Accordingly, the activity of enzymes can be measured by use of said compound as a substrate.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 12, 1983
    Assignee: Torii & Co. Ltd.
    Inventors: Setsuro Fujii, Mamoru Sugimito, Takashi Yaegashi