ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,367, issued on Sept. 9, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Composite substrate for electro-optical element" was invented by Ryosuke Hattori (Ichinomiya, Japan), Tomoyoshi Tai (Inazawa, Japan), Keiichiro Asai (Nagoya, Japan) and Jungo Kondo (Miyoshi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a composite substrate in which peeling is significantly suppressed, light propagation loss is small when used as an electro-optical element, and high-speed and low-voltage drive is possible, and which can achieve an extremely thin electro-optical element capable of maintaining excellent reliability even under a sev...