Richtek Technology Corp.
Records under this name other than the patents Richtek 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 168 patents it holds.
Back to Richtek Technology Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,576,588 | Quick Turn on Apparatus and Method for a Nmosfet Switch Term ended Term ended Oct 25, 2026 · High confidence | Term ended | Term ended Oct 25, 2026 | High confidence |
| US 8,841,723 | Ldmos Device Having Increased Punch-Through Voltage and Method for Making Same Lapsed on the fee record Ended Sep 23, 2026 · High confidence | Lapsed on the fee record | Ended Sep 23, 2026 | High confidence |
| US 8,836,294 | Switching Regulator and Control Circuit and Method Therefor Lapsed on the fee record Ended Sep 16, 2026 · High confidence | Lapsed on the fee record | Ended Sep 16, 2026 | High confidence |
| US 8,836,614 | Display Panel Control Circuit and Multi-Chip Module Thereof Lapsed on the fee record Ended Sep 16, 2026 · High confidence | Lapsed on the fee record | Ended Sep 16, 2026 | High confidence |
| US 10,056,480 | High-Side Power Device and Manufacturing Method Thereof Lapsed on the fee record Ended Aug 21, 2026 · High confidence | Lapsed on the fee record | Ended Aug 21, 2026 | High confidence |
| US 7,327,124 | Control Apparatus and Method for a Boost-Inverting Converter Term ended Term ended Aug 1, 2026 · High confidence | Term ended | Term ended Aug 1, 2026 | High confidence |
| US 10,014,850 | Driving Stage Circuit with Plural Clamping Levels Lapsed on the fee record Ended Jul 3, 2026 · High confidence | Lapsed on the fee record | Ended Jul 3, 2026 | High confidence |
| US 8,736,474 | Delta-Sigma Modulator for Converting an Analog Input Signal to a Digital Output Signal Using Delta-Sigma Modulation Lapsed on the fee record Ended May 27, 2026 · High confidence | Lapsed on the fee record | Ended May 27, 2026 | High confidence |
| US 7,498,792 | Pulse Modulation System with Nonlinear Ramp Term ended Term ended Apr 26, 2026 · High confidence | Term ended | Term ended Apr 26, 2026 | High confidence |
| US 11,278,217 | Transdermal Microneedle Array Patch now held by Richhealth Technology Corporation Lapsed on the fee record Ended Mar 22, 2026 · High confidence | Lapsed on the fee record | Ended Mar 22, 2026 | High confidence |