ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,564, issued on April 7, was assigned to TOKYO OHKA KOGYO Co. LTD. (Kawasaki, Japan).
"Method of forming surface treatment film" was invented by Koya Inomata (Kawasaki, Japan) and Daichi Tanaka (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a surface treatment film on a substrate having, on a surface thereof, a first region where an insulator is exposed and a second region where at least one metallic matter is exposed, in which the surface treatment film is formed on the second region and is capable of suppressing intrusion of the surface treatment film onto the first region. A method of forming a surface treatmen...