ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,165, issued on March 17, was assigned to NICHIA Corp. (Anan, Japan).

"Ceramic complex and method for producing the same" was invented by Toshiyuki Hirai (Komatsushima, Japan), Keisuke Suzuki (Anan, Japan) and Hirofumi Oguri (Komatsushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a ceramic complex includes: preparing a raw material mixture that contains 5% by mass or more and 40% by mass or less of first rare earth aluminate fluorescent material particles containing an activating element and a first rare earth element different from the activating element, 0.1% by mass or more and 32% by mass or less of oxide parti...