ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,722, issued on Feb. 10, was assigned to DAICEL Corp. (Osaka, Japan).
"Electric circuit breaker device" was invented by Tomohide Fujiwara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric circuit breaker device includes: an igniter provided to a housing; a projectile disposed in an accommodating space formed in the housing, the projectile being to be projected along the accommodating space by energy received from the igniter; a conductor piece that is provided to the housing, forms a portion of an electric circuit, includes in a portion thereof a cutoff portion to be cut off by the projectile, and is disposed with the cutoff portion c...