US Patent Issued to Dai Nippon Printing on March 11 for "Optical film, and polarizing plate, surface plate, image display panel and image display device using the optical film, and method for producing the optical film, and method for selecting optical film, and evaluation method of finger print wiping property" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,121, issued on March 11, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Optical film, and polarizing plate, surface plate, image display panel and image display device using the optical film, and method for producing the optical film, and method for selecting optical film, and evaluation method of finger print wiping property" was invented by Jun Tsujimoto (Bizen, Japan), Yukimitsu Iwata (Okayama, Japan), Michiaki Takei (Okayama, Japan), Masafumi Tanaka (Misato, Japan), Keisuke Ikeda (Okayama, Japan) and Gen Furui (Okayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical film having high anti-glare properties and favorable f...