US Patent Issued to Hyundai Motor, Kia on July 28 for "Neck pillow" (South Korean Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,703, issued on July 28, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Neck pillow" was invented by Kyoung Jin Chang (Suwon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A neck pillow includes: a cushion portion worn on a user's neck and an electro-liquid driving unit mounted into the cushion portion, being bent in a shape of an arc, and including ferroelectric particles, each having an electrorheological property, and nonconductive liquid. The electro-liquid driving unit generates vibration by contraction and expansion that are repeated when an arrangement of the ferroelectric particles and...