I just found the following that may help us understand the distinctions between the companies' approach to colored glass in BIPV: Swissinso Patent Application, published 09/03/2015: http://www.freepatentsonline.com/y2015/0249424.html Onyx Solar Patent Application, published 10/08/2015:http://www.freepatentsonline.com/y2015/0288322.html