Leadtrend Technology Corp.
Records under this name other than the patents Leadtrend Technology Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 153 patents it holds.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,823,358 | Calibration Apparatus and Method Thereof, Multi-Channel Driving Circuit and Current Balancing Method Lapsed on the fee record Ended Sep 2, 2026 · High confidence | Lapsed on the fee record | Ended Sep 2, 2026 | High confidence |
| US 8,797,013 | Adaptive Slope-Compensation Module and Method Thereof Lapsed on the fee record Ended Aug 5, 2026 · High confidence | Lapsed on the fee record | Ended Aug 5, 2026 | High confidence |
| US 8,669,706 | Integrated circuits, control methods and lighting systems Lapsed on the fee record Ended Mar 11, 2026 · From the USPTO record | Lapsed on the fee record | Ended Mar 11, 2026 | From the USPTO record |
| US 8,552,710 | Calibration Apparatus and Method Thereof, Multi-Channel Driving Circuit and Current Balancing Method Lapsed on the fee record Ended Oct 8, 2025 · High confidence | Lapsed on the fee record | Ended Oct 8, 2025 | High confidence |
| US 8,471,487 | Light emitting module driving circuit and related method Lapsed on the fee record Ended Jun 25, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jun 25, 2025 | From the USPTO record |
| US 8,471,605 | Driving circuit having current balancing functionality Lapsed on the fee record Ended Jun 25, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jun 25, 2025 | From the USPTO record |
| US 8,362,750 | Apparatus for preventing capacitor charger from overcharging and method thereof Lapsed on the fee record Ended Jan 29, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jan 29, 2025 | From the USPTO record |
| US 7,049,801 | Adaptive dual-slope frequency controller for adjusting power conversion Term ended Term ended Nov 30, 2024 · From the USPTO record | Term ended | Term ended Nov 30, 2024 | From the USPTO record |
| US 8,283,809 | Detecting device for detecting an operating mode of a system and detecting method thereof Formerly held Lapsed on the fee record Ended Oct 9, 2024 · From the USPTO record | Lapsed on the fee record | Ended Oct 9, 2024 | From the USPTO record |
| US 6,982,882 | High voltage charging circuit for charging a high voltage capacitor Formerly held Term ended Term ended Sep 23, 2024 · From the USPTO record | Term ended | Term ended Sep 23, 2024 | From the USPTO record |