US Patent Issued to FUJI ELECTRIC on April 14 for "Semiconductor device" (Japanese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,517, issued on April 14, was assigned to FUJI ELECTRIC Co. LTD. (Kawasaki, Japan).

"Semiconductor device" was invented by Keishirou Kumada (Matsumoto-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a main semiconductor region and a current detecting region. The main semiconductor region and the current detecting region have a semiconductor substrate of a first conductivity type, a first semiconductor layer of a first conductivity type, first semiconductor regions of a second conductivity type, second semiconductor regions of the first conductivity type, trenches, first high-concentration regions of the sec...