Patents by Inventor Yoshiaki Maki

Yoshiaki Maki 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).

  • Process for roasting coffee beans with steam
    Patent number: 5681607
    Abstract: An improved process for upgrading the quality of roasted coffee beans which comprises:a) roasting green coffee beans with steam for a period of time from 50 to 300 seconds at a steam temperature of from 251.degree. to 400.degree. C. at a pressure of 6.5 to 20.0 bar G; and thereafterb) final roasting the beans from step (a) with steam for period of time ranging from 60 to 800 seconds at a steam temperature of from 251.degree. to 400.degree. C. at substantially atmospheric pressure conditions is disclosed.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: October 28, 1997
    Assignee: Ajinomoto General Foods, Inc.
    Inventors: Yoshiaki Maki, Tsutomu Haruyama