ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,667, issued on Dec. 30, was assigned to Littelfuse Semiconductor (Wuxi) Co. Ltd. (Wuxi, China).

"Asymmetric bidirectional surge protection device" was invented by Jifeng Zhou (Wuxi, China) and Tsung-Wen Mou (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an asymmetric bidirectional surge protection device is provided, including a crowbar device, and a clamping device, wherein the crowbar device is formed in a first area of a semiconductor die, and wherein the clamping device is formed in a second area of the semiconductor die, wherein the second area surrounds the first area."

The patent was filed on Dec. 1, 2023, und...