Litec GBR
4Patents
1Active
4Granted
32Portfolio score
Filing activity: Dec 28, 2001 → Nov 30, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6943380B2 | Light emitting device having phosphor of alkaline earth metal silicate | Emerging Cross-Sectional Technologies | 115 | Expired |
| US7679101B2 | Light emitting device | Emerging Cross-Sectional Technologies | 36 | Active |
| US7157746B2 | Light emitting device having a divalent-europium-activated alkaline earth metal orthosilicate phosphor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7138660B2 | Light emitting device | Emerging Cross-Sectional Technologies | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.