Ainsworth: "Sony worried about Fujifilm's X-Trans Sensor"

nawknai wrote:

For awhile, I have wondered whether Fuji's arrangement of the R, G, and B colour filters, where the ratio of the colour filters is 1:2:1, was the absolute optimal arrangement? It must have been thoroughly researched, so I'm going to assume that it probably was.

I asked myself this because I also asked myself whether Fuji identified the 2nd, 3rd, and 4th best arrangements and patented those as well?!?!