ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,635, issued on Oct. 21, was assigned to Daicel Corp. (Osaka, Japan).
"Protection device" was invented by Shinichiro Ukita (Tokyo), Shunji Nakai (Tokyo) and Masayuki Yamazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protection device worn on a human body and protects a head of the human body includes a base portion attachable to the human body, and a protection unit having a honeycomb structure or a bellows structure, held by the base portion, and being reversibly switchable between a folded orientation in which the protection unit is folded and an unfolded orientation in which the protection unit is unfolded from the folded orientatio...