Patent 9873364 was granted and assigned to Toyota on January, 2018 by the United States Patent and Trademark Office.
To improve steering operability in a driver's seat, and to improve posture maintaining capability at the time of turning in the driver's seat and a seat other than the driver's seat. In a vehicle seat including a seat, a seat backrest, and a headrest, the seat backrest has a seat backrest frame formed in a frame shape and a net disposed to stretch in the seat backrest frame. The net has a first string portion arranged radially.