Mahendra Somasara Dassanayake
72Patents
16h-index
88Co-inventors
87Inventor score
Filing activity: Jan 7, 1993 → May 31, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6497503B1 | Headlamp system with selectable beam pattern | Performing Operations; Transporting | 363 | Expired |
| US7541743B2 | Adaptive vehicle communication controlled lighting system | Physics | 226 | Expired |
| US8994495B2 | Virtual vehicle entry keypad and method of use thereof | Physics | 121 | Active |
| US8282250B1 | Solid state lighting device using heat channels in a housing | Electricity | 114 | Active |
| US8277082B2 | Solid state light assembly having light redirection elements | Mechanical Engineering; Lighting; Heating | 87 | Active |
| US5365412A | Low profile illuminator | Physics | 35 | Expired |
| US8992060B2 | Uniform illumination of lamps | Mechanical Engineering; Lighting; Heating | 31 | Active |
| US8449137B2 | Solid state tube light assembly | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US7156542B2 | Vehicle headlight system having digital beam-forming optics | Performing Operations; Transporting | 27 | Expired |
| US5560699A | Optical coupling arrangement between a lamp and a light guide | Physics | 22 | Expired |
| US5452186A | Light distribution system | Performing Operations; Transporting | 21 | Expired |
| US5829870A | Variable headlamp system for an automotive vehicle using an electrostatic shutter | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US7540638B2 | Adaptive front lighting system for a vehicle | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US5550716A | Reduced package depth low profile headlamp | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US8419218B2 | Solid state light assembly having light sources in a ring | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US5681104A | Mini-projector beam headlamps | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5779341A | Reduced package depth low-profile lamp with smoothly shaped lenses | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US8186852B2 | Opto-thermal solution for multi-utility solid state lighting device using conic section geometries | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US5475571A | Ring Light collector | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5406462A | Apparatus for collecting and transmitting light | Physics | 12 | Expired |
| US8192057B2 | Solid state spot light assembly | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US8314558B2 | Light emitting diode headlamp for a vehicle | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US9644824B2 | Solid state light assembly with control circuit | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US8422004B1 | Automotive headlamp aiming insensitive to intensity variations | Physics | 8 | Active |
| US6639569B2 | Integrated heads-up display and cluster projection panel assembly for motor vehicles | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.