Patents by Inventor Tatsuaki Natako

Tatsuaki Natako 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 sediment analyzer
    Patent number: 4794789
    Abstract: The Rapid Sediment Analyzer provides information on the size distribution of a sample of finely divided particulate matter (e.g. sand) by monitoring the weight and the rate with which the particles fall through a column of liquid (e.g. water). A digital computer connected to the Analyzer reports the particle size distribution directly.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: January 3, 1989
    Assignee: University of Iowa Research Foundation
    Inventor: Tatsuaki Natako