Patents by Inventor Ichiro Koumura

Ichiro Koumura 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).

  • Rapid method for detecting microorganisms
    Patent number: 4591554
    Abstract: A small number of microorganisms can be rapidly detected or determined by means of a fluorescence analysis method using specific umbelliferone derivatives such as 4-methylumbelliferyl phosphate and 4-methyl umbelliferyl galactoside, and this detecting method is applicable for a microbial inspection on sanitary quality of various kind of food, beverage, water and toilet article, or for a clinical inspection on a microbial infection.
    Type: Grant
    Filed: September 16, 1983
    Date of Patent: May 27, 1986
    Assignee: Ajinomoto Co., Inc.
    Inventors: Ichiro Koumura, Hideo Kanou, Masahiko Okunishi, Kazuhiko Yamada