Patents by Inventor Rieko Kubota

Rieko Kubota 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 producing an instantly soluble tea powder
    Patent number: 5538750
    Abstract: An object of the present invention is to provide a method of producing an instantly soluble powder quickly dissolving by only pouring hot water or water thereupon in the production of powders including tea and flavorous beverages such as coffee according to vacuum freeze-drying, which comprises, in subjecting a solution having the solids content of 5 weight % or more to vacuum freeze-drying, incorporating a gaseous body of 10 volume % or more therein to form foams at the time of freezing, and then subjecting the mixture to vacuum freeze-drying.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 23, 1996
    Assignee: House Foods Corporation
    Inventors: Noriaki Yamaguchi, Rieko Kubota