ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,284, issued on Dec. 30, 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 a housing, an igniter, a projectile, and a conductor piece including, between a first connection end portion and a second connection end portion, a cutoff portion to be cut by movement of the projectile, in which a boundary portion with the cutoff portion from which the cutoff portion is cut in the first connection end portion of the conductor piece held in the housing is defined as a first cutting edge portion, and a ...