Patent 9132859 was granted and assigned to Teijin on September, 2015 by the United States Patent and Trademark Office.
Provided a vehicle skeleton member including: a portion obtained by joining a plurality of members constituted by a composite material of a thermoplastic resin and a reinforcing fiber, and an axis parallel to a front-rear direction and/or a right-left direction of the vehicle body is included in a joined surface by vibration welding.