Patents by Inventor Ryoichi Senju

Ryoichi Senju 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 for immobilizing enzyme
    Patent number: 4073689
    Abstract: A stable immobilized enzyme is obtained by reacting an enzyme with a substance having an N-halogenoamide group in a weak alkaline aqueous solution.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: February 14, 1978
    Assignee: Ryoichi Senju
    Inventors: Ryoichi Senju, Hiroo Tanaka