Patents by Inventor Hiromi Katae

Hiromi Katae 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 alkaline protease M.sub.3 method for the preparation thereof and dental caries-prophylactic composition containing the same
    Patent number: 4364926
    Abstract: Novel alkaline protease M.sub.3 which is distinguished from known alkaline proteases in the phisiochemical properties, particularly in terms of the strong alkaline optimum pH: 9-12.5; being not inhibited by FeSO.sub.4, diisopropyl fluorophosphate, ethylenediamine tetraacetate and iodoacetic acid; having glucosyltransferase inhibitory activity; and having the lowest molecular weight, and which can be produced by cultivating a microorganism of the genus Streptomyces, particularly Streptomyces globisporus B-1829 strain (ATCC 21553). The alkaline protease M.sub.3 is useful for prevention of dental caries.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: December 21, 1982
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Kanae Yokogawa, Takeshi Yamamoto, Yoshiyuki Takase, Hiromi Katae, Shigeo Kawata