Patents by Inventor Yukinari Nakatsu

Yukinari Nakatsu 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).

  • Polyolefin based crosslinked foam
    Patent number: 5786406
    Abstract: A polyolefin based crosslinked foam excellent in impact absorbability, vibration absorbability and heat insulation, which can be used for various kinds of industrial applications such as materials for the interior of automobiles, cushioning, building, furniture, home use electric appliances, which foam comprises:a polyolefin based resin (A), and a conjugated diene polymer (B) having the peak tan .delta. value (obtained by dynamic viscoelasticity measurement) between -20.degree. C. and 40.degree. C.This invention also relates to a method for manufacturing said impact and vibration absorbable crosslinked foam.The polyolefin based crosslinked foam of this invention is excellent in impact absorbability and vibration absorbability while keeping moldability and heat resistance over a wide range of degrees of crosslinking.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: July 28, 1998
    Assignee: Toray Industries, Inc.
    Inventors: Nario Uejyukkoku, Yukinari Nakatsu