ALEXANDRIA, Va., June 16 -- United States Patent no. 12,660,405, issued on June 16, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Semiconductor material and photoelectric conversion element" was invented by Toru Nakamura (Osaka, Japan), Maki Hiraoka (Nara, Japan) and Hiroshi Higuchi (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor material of the present disclosure is represented by formula (I) below, in which R1, R2, and R3 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms, R4 represents an aryl group, an amino group, a hydroxy group, or an alkoxy group, and n represents an integer greater than or...