Patents by Inventor Yosuke Fukada

Yosuke Fukada 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).

  • Polyacetal resin composition and fragrance-emitting shaped article
    Patent number: 6646034
    Abstract: The invention provides fragrance-emitting shaped articles such as slide fasteners which retain the various characteristics inherent to polyacetal resins. Shaped articles such as the row of engaging teeth, top end stop and bottom end stop or separable end stop assembly for a slide fastener are manufactured from a resin composition comprising a polyacetal resin and a fragrance material having an aldehyde group-free chemical structure and a boiling point which is at least as high as the polyacetal resin processing temperature.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: November 11, 2003
    Assignees: E. I. du Pont de Nemours and Company, YKK Corporation
    Inventors: Hiroshi Mori, Yosuke Fukada, Masanori Yoshida