PHOTODIGM INC.
29Patents
8Active
29Granted
36Portfolio score
Filing activity: Apr 27, 2001 → Aug 23, 2019 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8693513B2 | Light generating system and method | Electricity | 28 | Active |
| US6775427B2 | Laterally coupled wave guides | Electricity | 26 | Expired |
| US6810067B2 | Single mode grating-outcoupled surface emitting laser with broadband and narrow-band DBR reflectors | Electricity | 14 | Expired |
| US6970491B2 | Planar and wafer level packaging of semiconductor lasers and photo detectors for transmitter optical sub-assemblies | Electricity | 13 | Expired |
| US6760359B2 | Grating-outcoupled surface-emitting lasers with flared gain regions | Electricity | 11 | Expired |
| US7065265B2 | Ferromagnetic-semiconductor composite isolator and method | Physics | 10 | Expired |
| US6600765B2 | High-power coherent arrays of vertical cavity surface-emitting semiconducting lasers | Electricity | 9 | Expired |
| US7113526B2 | Multi-wavelength grating-outcoupled surface emitting laser system | Electricity | 8 | Expired |
| US7612934B2 | Nonresonant multiple pass nonlinear structure | Physics | 7 | Active |
| US6647048B2 | Grating-outcoupled surface-emitting lasers using quantum wells with thickness and composition variation | Electricity | 6 | Expired |
| US6888874B2 | Single-wavelength, unequal-length-multi-cavity grating-outcoupled surface emitting laser with staggered tuned distributed Bragg reflectors | Electricity | 5 | Expired |
| US7092598B2 | Chip-scale WDM system using grating-outcoupled surface-emitting lasers | Electricity | 5 | Expired |
| US6661825B2 | Integrated grating-outcoupled surface-emitting lasers | Electricity | 5 | Expired |
| US6891983B2 | Wavelength filter and polarizer | Physics | 4 | Expired |
| US6853666B2 | Integrated grating-outcoupled surface-emitting lasers | Electricity | 4 | Expired |
| US6714575B2 | Optical modulator system | Electricity | 3 | Expired |
| US6636547B2 | Multiple grating-outcoupled surface-emitting lasers | Electricity | 3 | Expired |
| US8995481B2 | Light generating system and method | Electricity | 2 | Active |
| US6760496B2 | Inline ferromagnetic-composite isolator and method | Physics | 2 | Expired |
| US6963597B2 | Grating-outcoupled surface-emitting lasers | Electricity | 2 | Expired |
| US7450624B2 | Grating—outcoupled surface-emitting lasers | Electricity | 2 | Active |
| US7313158B2 | Integrated high speed modulator for grating-outcoupled surface emitting lasers | Electricity | 1 | Expired |
| US6967054B2 | Coating thickness control using surface features | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10084284B2 | Light emitting device with extended mode-hop-free spectral tuning ranges and method of manufacture | Electricity | 0 | Active |
| US11280884B2 | LIDAR instrument and method for operating a LIDAR instrument | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.