Patents by Inventor Maremitsu Izumitani

Maremitsu Izumitani 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 and device for extracting effective ingredients from dried plant materials
    Patent number: 5358725
    Abstract: A method for extracting the effective ingredients from dried plant materials such as coffee, black tea, green tea, herbs, and the like as a concentrated liquid, and a device for implementing that method, are disclosed whereby an effective ingredient is extracted as an extracted liquid with high clarity and high concentration from dried plant material in a short time without loss of aroma and flavor without extracting the unpleasant bitter or astringent taste resulting from the extraction of tannin, while also sterilizing the extracted liquid.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: October 25, 1994
    Assignee: McCoffee Co., Ltd.
    Inventors: Maremitsu Izumitani, Yoshimi Sawada