*The number of applications shot to the peak value during the period of 2006-2007.
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==Geographical Distribution==
[[Image:Artifical_Retina_PCS_08.png|center|800px700px]]<br>
*Most of the patents in this technology are from US or Europe.
*Japan and China top the Asian subcontinent, in the number of patent filings.
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=Technical Insights: CPC Distribution in Top Assignees=
[[Image:Artifical_Retina_PCS_09.png|center|800px]]<br>
*All the product based companies- Second Sight Medical Products, Pixium Vision, Optobionics Corporation and Retina Implant AG have heavy presence on the therapy based classes- A61N, A61F, A61B.
*Second Sight Medical Products has the most number of filings for the printed circuit bases class- H05K.