Sinopower Semiconductor, Inc.
Records under this name other than the patents Sinopower Semiconductor, Inc. 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 9 patents it holds.
Back to Sinopower Semiconductor, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,680,609 | Depletion mode semiconductor device with trench gate and manufacturing method thereof Lapsed on the fee record Ended Mar 25, 2026 · From the USPTO record | Lapsed on the fee record | Ended Mar 25, 2026 | From the USPTO record |
| US 8,643,094 | Method of forming a self-aligned contact opening in MOSFET Lapsed on the fee record Ended Feb 4, 2026 · From the USPTO record | Lapsed on the fee record | Ended Feb 4, 2026 | From the USPTO record |
| US 8,536,646 | Trench type power transistor device Lapsed on the fee record Ended Sep 17, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 17, 2025 | From the USPTO record |
| US 8,441,067 | Power device with low parasitic transistor and method of making the same Lapsed on the fee record Ended May 14, 2025 · From the USPTO record | Lapsed on the fee record | Ended May 14, 2025 | From the USPTO record |
| US 8,426,914 | Semiconductor Device Integrated with Converter and Package Structure Thereof Lapsed on the fee record Ended Apr 23, 2025 · High confidence | Lapsed on the fee record | Ended Apr 23, 2025 | High confidence |
| US 8,319,284 | Laterally Diffused Metal-Oxide-Semiconductor Device Lapsed on the fee record Ended Nov 27, 2024 · High confidence | Lapsed on the fee record | Ended Nov 27, 2024 | High confidence |
| US 8,258,555 | Semiconductor device having extra capacitor structure Lapsed on the fee record Ended Sep 4, 2024 · From the USPTO record | Lapsed on the fee record | Ended Sep 4, 2024 | From the USPTO record |
| US 9,368,621 | Power semiconductor device having low on-state resistance Lapsed on the fee record Ended Jun 14, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jun 14, 2024 | From the USPTO record |
| US 8,178,923 | Power semiconductor device having low gate input resistance Lapsed on the fee record Ended May 15, 2024 · From the USPTO record | Lapsed on the fee record | Ended May 15, 2024 | From the USPTO record |
| US 9,166,037 | Power semiconductor device with electrostatic discharge structure Lapsed on the fee record Ended Oct 20, 2023 · From the USPTO record | Lapsed on the fee record | Ended Oct 20, 2023 | From the USPTO record |