LS Tech Co., Ltd.
Records under this name other than patents LS Tech Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,843,587 | Surface light source apparatus, and method and apparatus for manufacturing the same Formerly held Term ended Term ended Apr 21, 2023 · From the USPTO record | Term ended | Term ended Apr 21, 2023 | From the USPTO record |
| US 8,764,427 | Apparatus for forming pattern using laser Formerly held Lapsed on the fee record Ended Jul 1, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jul 1, 2022 | From the USPTO record |
| US 8,592,718 | Apparatus for forming pattern using laser Formerly held Lapsed on the fee record Ended Nov 26, 2021 · From the USPTO record | Lapsed on the fee record | Ended Nov 26, 2021 | From the USPTO record |
| US 8,278,596 | Apparatus for forming pattern using laser Formerly held Lapsed on the fee record Ended Oct 2, 2020 · From the USPTO record | Lapsed on the fee record | Ended Oct 2, 2020 | From the USPTO record |
| US 8,247,736 | Apparatus for forming pattern on light guide panel Formerly held Lapsed on the fee record Ended Aug 21, 2020 · From the USPTO record | Lapsed on the fee record | Ended Aug 21, 2020 | From the USPTO record |
| US 8,939,614 | Light guide panel and apparatus for forming pattern on light guide panel Formerly held Lapsed on the fee record Ended Jan 27, 2019 · From the USPTO record | Lapsed on the fee record | Ended Jan 27, 2019 | From the USPTO record |
| US 6,830,132 | Brake device for elevator Lapsed on the fee record Ended Dec 14, 2016 · From the USPTO record | Lapsed on the fee record | Ended Dec 14, 2016 | From the USPTO record |
| US 7,364,337 | Flexible backlight unit for key of input device Formerly held Lapsed on the fee record Ended Apr 29, 2016 · From the USPTO record | Lapsed on the fee record | Ended Apr 29, 2016 | From the USPTO record |
| US 7,364,339 | Flexible backlight unit for key of input device Formerly held Lapsed on the fee record Ended Apr 29, 2016 · From the USPTO record | Lapsed on the fee record | Ended Apr 29, 2016 | From the USPTO record |
| US 7,736,042 | Back light unit Formerly held Lapsed on the fee record Ended Jun 15, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jun 15, 2014 | From the USPTO record |