ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,558, issued on April 21, was assigned to Nihon Kohden Corp. (Tokyo).

"Automated external defibrillator" was invented by Takahiro Uchida (Saitama, Japan), Fumihito Iwai (Saitama, Japan), Naoto Akiyama (Saitama, Japan), Ryosuke Kuno (Saitama, Japan) and Yuji Igawa (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automated external defibrillator (AED) includes: a battery configured to supply electric power to the AED; an indicator configured to visually provide predetermined information related to the AED and a remaining level of the battery; and an indicator controller configured to change a visual aspect of the indicator according t...