THX Ltd.
39Patents
34Active
39Granted
52Portfolio score
Filing activity: Nov 15, 2000 → Apr 23, 2020 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7433483B2 | Narrow profile speaker configurations and systems | Electricity | 46 | Expired |
| US6771323B1 | Audio visual display adjustment using captured content characteristics | Electricity | 40 | Expired |
| US8027500B2 | Narrow profile speaker configurations and systems | Electricity | 31 | Active |
| US7333154B2 | Method and apparatus for optimizing the presentation of audio visual works | Electricity | 20 | Expired |
| US8457340B2 | Narrow profile speaker configurations and systems | Electricity | 18 | Active |
| US9071201B2 | Low dissipation amplifier | Electricity | 17 | Active |
| US7254239B2 | Sound system and method of sound reproduction | Electricity | 15 | Expired |
| US7457425B2 | Vehicle sound system | Electricity | 15 | Expired |
| US7974425B2 | Sound system and method of sound reproduction | Electricity | 13 | Active |
| US8135158B2 | Loudspeaker line array configurations and related sound processing | Electricity | 11 | Active |
| US8942405B2 | Earphone device | Electricity | 11 | Active |
| US7834702B2 | Efficient power amplifier | Electricity | 11 | Active |
| US7593533B2 | Sound system and method of sound reproduction | Electricity | 8 | Active |
| US8675130B2 | Electronic adapter unit for selectively modifying audio or video data for use with an output device | Electricity | 5 | Active |
| US8576592B2 | Power converter with low ripple output | Electricity | 5 | Active |
| US9363586B2 | Narrow profile speaker configurations and systems | Electricity | 4 | Active |
| US8482614B2 | Content presentation optimizer | Electricity | 4 | Active |
| US8792125B2 | Method and system for providing access to image system services | Electricity | 3 | Active |
| US8421531B2 | Low dissipation amplifier | Electricity | 3 | Active |
| US9484860B2 | Tracking power supply with increased boost capability | Electricity | 2 | Active |
| US8138837B2 | Efficient power amplifier | Electricity | 2 | Active |
| US8154753B2 | Method and system for providing access to image system services | Electricity | 2 | Active |
| US8498010B2 | Method and system for providing access to image system services | Electricity | 2 | Active |
| US8004355B2 | Low dissipation amplifier | Electricity | 2 | Active |
| US9609405B2 | Slim profile loudspeaker | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.