| Digitally controlled luminaire system P Jungwirth, SP Robinson, I Speier, I Ashdown US Patent 7,319,298, 2008 | 343 | 2008 |
| Method and apparatus for illumination and communication I Ashdown US Patent 7,689,130, 2010 | 306 | 2010 |
| Method and system for feedback and control of a luminaire I Ashdown, SP Robinson US Patent 7,573,210, 2009 | 253 | 2009 |
| Radiosity: a programmer's perspective I Ashdown John Wiley & Sons, Inc., 1994 | 247 | 1994 |
| Luminaire control system and method M Salsbury, I Ashdown, DLB Smith, SP Robinson, I Speier US Patent 7,868,562, 2011 | 180 | 2011 |
| Method and apparatus for controlling thermal stress in lighting devices I Ashdown US Patent 7,538,499, 2009 | 166 | 2009 |
| Electronic devices with yielding substrates M Tischler, P Schick, I Ashdown, CW Sheen, P Jungwirth US Patent 8,384,121, 2013 | 154 | 2013 |
| System and method for the diffusion of illumination produced by discrete light sources I Ashdown US Patent 7,255,458, 2007 | 150 | 2007 |
| Integrated Modular Light Unit I Ashdown, P Jungwirth, S Robinson, P Schick, I Speier, A York US Patent App. 10/568,996, 2007 | 147 | 2007 |
| Control system for an illumination device incorporating discrete light sources I Ashdown US Patent 7,140,752, 2006 | 144 | 2006 |
| Near-field photometry: a new approach I Ashdown Journal of the Illuminating Engineering Society 22 (1), 163-180, 1993 | 143 | 1993 |
| Predictive daylight harvesting system I Ashdown US Patent 9,078,299, 2015 | 138 | 2015 |
| Method and apparatus for light intensity control I Ashdown, D Loveland, I Speier US Patent 8,159,150, 2012 | 138 | 2012 |
| Light emitting element control system and lighting system comprising same I Ashdown, P Jungwirth US Patent 7,688,002, 2010 | 121 | 2010 |
| Improved algorithms and methods for room sound-field prediction by acoustical radiosity in arbitrary polyhedral rooms EM Nosal, M Hodgson, I Ashdown The Journal of the Acoustical Society of America 116 (2), 970-980, 2004 | 121 | 2004 |
| Method and apparatus for discriminating modulated light in a mixed light system I Ashdown, M Salsbury US Patent 8,552,659, 2013 | 118 | 2013 |
| System and method for controlling luminaires I Ashdown US Patent 7,394,210, 2008 | 113 | 2008 |
| Control system for an illumination device incorporating discrete light sources I Ashdown US Patent 7,687,753, 2010 | 99 | 2010 |
| Method and system for providing illumination and physiological stimuli IE Ashdown US Patent 8,506,612, 2013 | 95 | 2013 |
| Method and system for feedback and control of a luminaire I Ashdown, SP Robinson US Patent 7,573,209, 2009 | 88 | 2009 |
