ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,197, issued on Aug. 4, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Electric toothbrush" was invented by Yusaku Shutta (Kyoto, Japan), Wei Wang (Shiga, Japan), Yoshinori Masuko (Shiga, Japan), Harumi Fukuki (Shiga, Japan) and Hitoshi Ogawa (Shiga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an electric toothbrush capable of more reliably suppressing transmission of vibration generated during use to the hand. Electric toothbrush according to the present disclosure includes body having drive shaft driven by rotary motor. In addition, electric toothbrush further includes he...