ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,610, issued on Feb. 10, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence device and electronic apparatus using the same" was invented by Ryota Takahashi (Sodegaura, Japan), Yuki Nakano (Sodegaura, Japan) and Kazuma Mase (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound represented by the following formula (A1) (wherein one or more among R1 to R7, R10 to R16, R21, and R22 are deuterium atoms or groups which possess deuterium atoms):"

The patent was filed on June 11, 2020, under Application No. 17/615,683.

*For further information, including images, charts and tables, please visit: http://patft....