2014,"Photovoltaic Assemblies Incorporating an Optical Element Having Internal Inclusions Configured for Maximum Conversion Efficiency"US8648248 B2,Roger French, Jose Rodriguez-Parada, Ronald Riegert, & Mark Lewittes.
Patents Pending
2011,"Optical Element Producing a Modulated Region of Increased Light Intensity and Opticall Enhanced Photovoltaic Cell and LED Lighting Device including the Same"US20120069580,Roger French, Rebekah Derryberry, Mark Lewittes, Ronald Riegert, & Jose Rodriguez-Parada.
2011,"Photovoltaic Apparatus Including an Optical Element Producing a Modulated Region of Light Intensity"US20120006740,Roger French, Rebekah Derryberry, Mark Lewittes, Ronald Riegert, & Jose Rodriguez-Parada.