ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,450, issued on April 29, was assigned to TOKUYAMA Corp. (Shunan, Japan).

"Functional laminate and functional lens comprising the functional laminate" was invented by Katsuhiro Mori (Shunan, Japan), Toshimitsu Hiraren (Shunan, Japan) and Junji Momoda (Shunan, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A functional lens having a functional laminate (A) including a first optical sheet (Aa), a second optical sheet (Ab) and a functional layer (Ac) existent between these two sheets and having photochromic properties and/or polarizability and a synthetic resin layer (B) existent on at least one of the first optical sheet (Aa) and the second optica...