Patents by Inventor Nobuzo Tsumura

Nobuzo Tsumura 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).

  • Method of isomerizing glucose with enzyme immobilized within microbial cell
    Patent number: 4001082
    Abstract: A method of isomerizing glucose with an enzyme immobilized within a microbial cell has been developed. The immobilized enzyme is prepared by dipping a microbial cell containing glucose isomerase in an aqueous solution containing citric acid and drying it, if necessary. An immobilization of an intracellular enzyme is reinforced by supplemental means such as radiation or others.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: January 4, 1977
    Assignee: Director of National Food Research Institute
    Inventors: Nobuzo Tsumura, Takafumi Kasumi