10. The method as described in claim 4 , wherein the visualizing comprises: dividing the bounded interval for said Patent Quality index [PQ min , PQ max ] into a number of sub-intervals; for each sub-interval: selecting a value of said Patent Quality index along with a corresponding color; and assigning the corresponding color to each value of said Patent Quality index on the sub-interval.
4. The method as described in claim 1 , wherein the providing correspondence comprises providing correspondence between the single numerical value of said Patent Quality index and a color formed by one or more wavelengths of the visible part of light spectrum so that different values of said Patent Quality index correspond to different colors.