Patents by Inventor Satoshi Wakisaka

Satoshi Wakisaka 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 producing a shaped multifilament, non-thermoplastic, elastomeric yarn
    Patent number: 6248197
    Abstract: The present invention provides a method for producing multifilament elastomeric yarn of modified cross-sectional shape and surface by hot-pressing a coalesced elastomeric multifilament yarn between rolls, thereby modifying the cross-sectional shape and/or surface of the multifilament.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: June 19, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hideki Nakanishi, Satoshi Wakisaka, Yukio Ohta