Nikon is engaged on multilayer sensor. This isn’t the primary patent of Nikon Multuilayer sensor, we have now additionally revealed a article again on January 2018 of Nikon multilyer stacked CMOS sensor.
Translated textual content from Patent – Nikon Working on Multilayer Stacked CMOS Sensor
The higher photoelectric conversion layer 31 and the decrease photoelectric conversion layer 32 are stacked on the identical optical path. Upper photoelectric conversion layer 31 consists of an natural photoelectric layer that absorbs gentle of a predetermined shade element (the main points can be described later) (photoelectric conversion).
We do hope Nikon will carry these new sensor tech to DSLR and Mirrorless cameras quickly.
See More Nikon Patent