WAVIEN, INC.
38Patents
12Active
38Granted
41Portfolio score
Filing activity: Apr 21, 1999 → Mar 15, 2013 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7976204B2 | Illumination system and method for recycling light to increase the brightness of the light source | Emerging Cross-Sectional Technologies | 36 | Active |
| US8388190B2 | Illumination system and method for recycling light to increase the brightness of the light source | Emerging Cross-Sectional Technologies | 33 | Active |
| US6926435B2 | Led illumination engine using a reflector | Electricity | 30 | Expired |
| US6856727B2 | Coupling of light from a non-circular light source | Physics | 22 | Expired |
| US6829412B2 | Lensed tapered optical waveguide | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6969177B2 | Polarization recovery system using redirection | Electricity | 15 | Expired |
| US6739726B2 | Illumination engine for a projection display using a tapered light pipe | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7172290B2 | Light pipe based projection engine | Electricity | 10 | Expired |
| US7020368B2 | Lensed tapered optical waveguide | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8317331B2 | Recycling system and method for increasing brightness using light pipes with one or more light sources, and a projector incorporating the same | Physics | 8 | Active |
| US7710669B2 | Etendue efficient combination of multiple light sources | Physics | 8 | Expired |
| US7151874B2 | Lensed tapered optical waveguide | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6840623B2 | Light recovery for projection displays | Electricity | 7 | Expired |
| US7452086B2 | Light pipe based projection engine | Electricity | 5 | Active |
| US6836576B2 | Polarization recovery system using light pipes | Physics | 5 | Expired |
| US6898353B2 | Lensed tapered optical waveguide | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6494606B1 | Color correction for fiber optic illumination systems | Physics | 4 | Expired |
| US7232228B2 | Light recovery for projection displays | Electricity | 4 | Expired |
| US7338187B2 | Multiple lamp illumination system | Physics | 4 | Expired |
| US7002745B2 | Polarization recovery system for projection displays | Electricity | 4 | Expired |
| US7339735B2 | Polarization recovery system for projection displays | Electricity | 3 | Expired |
| US7618158B2 | Illumination system using filament lamps | Physics | 3 | Expired |
| US8858037B2 | Light emitting diode array illumination system with recycling | Physics | 3 | Active |
| US8789973B2 | Liquid cooled LED lighting device | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7006288B2 | Polarization recovery system for projection displays | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.