Axt, Inc.
Records under this name other than the patents Axt, 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 13 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,193,245 | High power, high luminous flux light emitting diode and method of making same Formerly held Term ended Term ended Sep 4, 2023 · From the USPTO record | Term ended | Term ended Sep 4, 2023 | From the USPTO record |
| US 6,896,729 | Method and apparatus for growing semiconductor crystals with a rigid support with carbon doping and resistivity control and thermal gradient control Term ended Term ended Sep 19, 2022 · From the USPTO record | Term ended | Term ended Sep 19, 2022 | From the USPTO record |
| US 6,650,018 | High power, high luminous flux light emitting diode and method of making same Formerly held Term ended Term ended May 24, 2022 · From the USPTO record | Term ended | Term ended May 24, 2022 | From the USPTO record |
| US 6,919,585 | Light-emitting diode with silicon carbide substrate Formerly held Term ended Term ended May 17, 2022 · From the USPTO record | Term ended | Term ended May 17, 2022 | From the USPTO record |
| US 6,717,974 | Apparatus and method for improving electrical conduction structure of a vertical cavity surface emitting laser Formerly held Term ended Term ended Apr 1, 2022 · From the USPTO record | Term ended | Term ended Apr 1, 2022 | From the USPTO record |
| US 7,642,183 | High power, high luminous flux light emitting diode and method of making same Formerly held Lapsed on the fee record Ended Jan 5, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 5, 2022 | From the USPTO record |
| US 6,643,304 | Transparent substrate light emitting diode Formerly held Term ended Term ended Mar 10, 2021 · From the USPTO record | Term ended | Term ended Mar 10, 2021 | From the USPTO record |
| US 6,888,171 | Light emitting diode Formerly held Term ended Term ended Dec 22, 2020 · From the USPTO record | Term ended | Term ended Dec 22, 2020 | From the USPTO record |
| US 6,459,098 | Window for light emitting diode Formerly held Term ended Term ended Jul 26, 2020 · From the USPTO record | Term ended | Term ended Jul 26, 2020 | From the USPTO record |
| US 6,495,867 | InGaN/AlGaN/GaN multilayer buffer for growth of GaN on sapphire Formerly held Term ended Term ended Jul 26, 2020 · From the USPTO record | Term ended | Term ended Jul 26, 2020 | From the USPTO record |