Patents by Inventor Yasuji Sakaguchi

Yasuji Sakaguchi 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 enhancing cation-exchange capacity of montmorillonite decreased by fixation of ion
    Patent number: 5084428
    Abstract: The cation-exchange capacity of montmorillonite decreased in consequence of fixation of ion is restored by subjecting the montmorillonite to a hydrothermal treatment.
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: January 28, 1992
    Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Kenzi Suzuki, Toshiaki Mori, Yasuji Sakaguchi