ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,543, issued on March 3, was assigned to Ricoh Co. Ltd. (Tokyo).
"Photoelectric conversion element and solar cell module" was invented by Satoshi Yamamoto (Shizuoka, Japan) and Yuuji Tanaka (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A photoelectric conversion element includes a first electrode, a photoelectric conversion layer, where the photoelectric conversion layer has a perovskite structure, a hole-transporting layer, a second electrode, and a film including a compound represented by General Formula (2) disposed between the photoelectric conversion layer and the hole-transporting layer. In General Formula (2), A is a cationic...