Rama N. Singh
38Patents
19h-index
57Co-inventors
84Inventor score
Filing activity: Dec 17, 1986 → Sep 13, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5896232A | Highly efficient and compact frontlighting for polarization-based reflection light valves | Electricity | 124 | Expired |
| US6648485B1 | Highly collimating tapered light guide for uniform illumination of flat panel displays | Physics | 107 | Expired |
| US4747678A | Optical relay system with magnification | Physics | 93 | Expired |
| US5052763A | Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations | Physics | 80 | Expired |
| US5089913A | High resolution reduction catadioptric relay lens | Physics | 75 | Expired |
| US6985169B1 | Image capture system for mobile communications | Electricity | 73 | Expired |
| US5241423A | High resolution reduction catadioptric relay lens | Physics | 73 | Expired |
| US5621486A | Efficient optical system for a high resolution projection display employing reflection light valves | Electricity | 64 | Expired |
| US6587151B1 | Video camera integration on a portable computer | Physics | 57 | Expired |
| US5777789A | Efficient optical system for a high resolution projection display employing reflection light valves | Electricity | 51 | Expired |
| US6247816A | Optical system for projection displays using spatial light modulators | Electricity | 49 | Expired |
| US6310713A | Optical system for miniature personal displays using reflective light valves | Physics | 40 | Expired |
| US5401934A | Lens system for scanning laser apparatus | Performing Operations; Transporting | 36 | Expired |
| US6816225B2 | LCD cell construction by mechanical thinning of a color filter substrate | Physics | 36 | Expired |
| US5597222A | Optical relay lens system for projection displays | Electricity | 32 | Expired |
| US7536664B2 | Physical design system and method | Physics | 32 | Expired |
| US5786934A | Efficient optical system for a high resolution projection display employing reflection light valves | Electricity | 28 | Expired |
| US7043712B2 | Method for adaptive segment refinement in optical proximity correction | Physics | 25 | Expired |
| US6791639B2 | Direct view display with lenticular lens for improved brightness and wide viewing angle | Physics | 20 | Expired |
| US5786873A | Efficient optical system for a high resolution projection display employing reflection light valves | Electricity | 17 | Expired |
| US5315604A | Optical structure for adjusting the peak power of a laser beam | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6600528B2 | Integrated prism sheet for improved viewing angle in direct view color filterless liquid crystal displays | Physics | 15 | Expired |
| US5991150A | Self deploying magnifier for a portable computer display screen | Physics | 15 | Expired |
| US8510699B1 | Performance driven layout optimization using morphing of a basis set of representative layouts | Physics | 14 | Active |
| US5929962A | Method and apparatus for integrating microlens array into a liquid crystal display device using a sacrificial substrate | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.