Patents by Inventor Kouzou Imaeda

Kouzou Imaeda 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 making high tenacity aramid fibers
    Patent number: 5853640
    Abstract: A process is disclosed for making para-aramid filaments of especially high strength by extruding a solution of para-aramid through fine capillaries and drying the resulting filaments under high tension.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: December 29, 1998
    Assignees: E. I. du Pont de Nemours and Company, Du Pont Toray
    Inventors: Takeji Furumai, Kouzou Imaeda, Stephen D. Moore, Mikio Ohno