US Patent Issued to ROHM on July 14 for "Semiconductor device" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,865, issued on July 14, was assigned to ROHM Co. LTD. (Kyoto, Japan).

"Semiconductor device" was invented by Yuji Matsumoto (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes: a chip having a main surface; a trench insulation structure that defines an active region in the main surface; a first conductivity type well region formed in the active region; a second conductivity type first impurity region formed in the well region; a second impurity region formed in the well region and surrounding the first impurity region in a plan view; a gate electrode formed on the well region between the first impurity region...