ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,773, issued on Feb. 24, was assigned to ROHM Co. LTD. (Kyoto, Japan).
"Semiconductor device" was invented by Yuki Nakano (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The semiconductor device includes a semiconductor layer having an active portion and a gate finger portion, an MIS transistor formed at the active portion including a gate trench and a source region, a channel region and a drain region sequentially along a side surface of the gate trench, a plurality of first gate finger trenches arranged by an extended portion of the gate trench, a gate electrode embedded each in the gate trench and the first gate finger trench, a secon...