* The key patents in the field are held by [http://www.windpoweringamerica.gov/wind_installed_capacity.asp US Windpower], [http://www.oregon.gov/ENERGY/RENEW/Wind/windhome.shtml Oregon State] and [http://www.vestas.com/ Vestas Wind Energy Systems].
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rect 176 105 376 306 [https://www.dolcera.com/auth/dashboard/dashboard.php?workfile_id=799&node_id=409970 Pixel Array]
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rect 5 70 90 90 [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5289041.PN.&OS=PN/5289041&RS=PN/5289041 US5289041]
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[[Image:wind_top_cited.png|center|thumb|700px|'''Key Patents''']]