Patents by Inventor Akiko USHIFUSA

Akiko USHIFUSA 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 GRANULATING UREA
    Publication number: 20200002274
    Abstract: Precipitation of an ammonium salt is prevented while suppressing an increase in water content of the aqueous urea solution which is to be supplied to a urea granulation step, when recovering and using urea and NH3 in a gas which contains urea dust and NH3 and which arises from a urea granulation step.
    Type: Application
    Filed: March 6, 2018
    Publication date: January 2, 2020
    Applicant: TOYO ENGINEERING CORPORATION
    Inventors: Shuhei NAKAMURA, Akiko USHIFUSA, Keigo SASAKI