Ronald F. Rykowski
20Patents
10h-index
12Co-inventors
72Inventor score
Filing activity: Jul 6, 1994 → Aug 13, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6975775B2 | Stray light correction method for imaging light and color measurement system | Electricity | 409 | Expired |
| US5934795A | Lens design for outdoor sign | Physics | 52 | Expired |
| US5559911A | Optical fiber coupler using segmented lenses | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6095668A | Incandescent visual display system having a shaped reflector | Physics | 31 | Expired |
| US5607229A | Illumination system including an asymmetrical projection reflector | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5857041A | Optical coupler and method utilizing optimal illumination reflector | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7907154B2 | Method and apparatus for on-site calibration of visual displays | Physics | 16 | Active |
| US7911485B2 | Method and apparatus for visual display calibration system | Physics | 11 | Active |
| US5940152A | Dual-fresnel field lens for a single-panel LCD projection system | Physics | 11 | Expired |
| US5751870A | Optical fiber lensed illumination coupler | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7995098B2 | Systems and methods for measuring spatial and angular performance of a visual display | Electricity | 9 | Active |
| US5790725A | Multiport illuminator for macro-fibers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5706376A | Multiport illuminator for macro-fibers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5467207A | LCD projection system which aligns the larger beam spread angle of the light source with the larger acceptance angle of the light valve and a nonimaging reflector for an illumination system | Electricity | 8 | Expired |
| US8836797B1 | Methods and systems for measuring and correcting electronic visual displays | Emerging Cross-Sectional Technologies | 7 | Active |
| US9135851B2 | Methods and systems for measuring and correcting electronic visual displays | Emerging Cross-Sectional Technologies | 7 | Active |
| US8264613B2 | Methods and systems for correcting streaming video signals | Physics | 3 | Active |
| US8482652B2 | Imaging devices with components for reflecting optical data and associated methods of use and manufacture | Physics | 2 | Active |
| US7697060B2 | Rotary shutter assemblies for imaging photometers and methods for using such shutter assemblies | Electricity | 1 | Active |
| US6196709A | Trough reflector and lens coupler for lightguide illumination system | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.