US Patent Issued to NITTO DENKO on Oct. 28 for "Whiteboard film, whiteboard, peep prevention system" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,500, issued on Oct. 28, was assigned to NITTO DENKO Corp. (Ibaraki, Japan).

"Whiteboard film, whiteboard, peep prevention system" was invented by Yuji Toyota (Ibaraki, Japan) and Masahiro Yaegashi (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A whiteboard film (100) according to an embodiment of the present invention includes: a diffuse reflection layer (40) to diffuse-reflect visible light; an absorptive polarizing layer (20) having a first transmission axis that is parallel to a first direction; and a reflective polarizing layer (10) being disposed between the diffuse reflection layer (40) and the absorptive polarizing layer (20) ...