Quantum Computing Patent Landscape.  
In tandem with “Business and the Quantum World Applications” report, physicsworld carried a piece in December, 2018. “Mapping the commercial landscape for quantum technologies” (December 3, 2018).  The below graphic shows the distribution of over 9000 patents related to quantum computing.  Visually captivating, the article and analysis of the graphic’s portrayal of quantum computing applications is well worth the study in entirety.  Links to both are below.

Discussion of graphic found at physicsworld…

Patent landscape graphic found at physicsworld…