Patents by Inventor Tutomu Takagi

Tutomu Takagi 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).

  • Control of plant-virus diseases
    Patent number: 4269857
    Abstract: Disclosed herein control of plant-virus diseases by applying a compound obtained by reducing the reaction product of an n-alkylamine with a sugar or a salt thereof on the plant to be protected from the plant-virus as an active ingredient.
    Type: Grant
    Filed: October 19, 1979
    Date of Patent: May 26, 1981
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takuro Tokuda, Susumu Ikeda, Yoshikazu Kubota, Tutomu Takagi, Yuuichi Kokagi