ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,511, issued on April 21, was assigned to Lumentum Radiant GmbH (Baar, Switzerland).
"Semiconductor optical integrated device" was invented by Koichiro Iwamoto (Tokyo) and Shunya Yamauchi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes: a mesa stripe structure comprising a semiconductor in a stripe shape extending in a first direction, with first and second portions spaced apart in the first direction, and a third portion between the first and second portions; and an electrode pattern including a first electrode overlapping with the first portion but not overlapping with the second portion, and a second electrode ov...