Celight, Inc.
Records under this name other than patents Celight, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,076,169 | System and Method for Orthogonal Frequency Division Multiplexed Optical Communication Term ended Term ended Aug 16, 2023 · High confidence | Term ended | Term ended Aug 16, 2023 | High confidence |
| US 7,903,255 | Sagnac sensor with nested waveguides Lapsed on the fee record Ended Mar 8, 2023 · From the USPTO record | Lapsed on the fee record | Ended Mar 8, 2023 | From the USPTO record |
| US 7,897,925 | System and method for high Z material detection Term ended Term ended Sep 29, 2022 · From the USPTO record | Term ended | Term ended Sep 29, 2022 | From the USPTO record |
| US 6,671,425 | Method and system for acoustically tuning a light source Term ended Term ended Jul 9, 2022 · From the USPTO record | Term ended | Term ended Jul 9, 2022 | From the USPTO record |
| US 7,801,395 | Coherent Optical Detector and Coherent Communication System and Method Term ended Term ended May 24, 2022 · Medium confidence | Term ended | Term ended May 24, 2022 | Medium confidence |
| US 7,715,720 | Coherent Optical Detector and Coherent Communication System and Method Lapsed on the fee record Ended May 11, 2022 · Medium confidence | Lapsed on the fee record | Ended May 11, 2022 | Medium confidence |
| US 7,652,254 | Method and system for nuclear substance revealing using muon detection Lapsed on the fee record Ended Jan 26, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 26, 2022 | From the USPTO record |
| US 8,634,723 | Optical communications with polarization dependent loss compensation Lapsed on the fee record Ended Jan 21, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 21, 2022 | From the USPTO record |
| US 7,646,944 | Optical sensor with distributed sensitivity Lapsed on the fee record Ended Jan 12, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 12, 2022 | From the USPTO record |
| US 7,693,428 | Optical Orthogonal Frequency Division Multiplexed Communications with Nonlinearity Compensation Term ended Term ended Sep 26, 2021 · Medium confidence | Term ended | Term ended Sep 26, 2021 | Medium confidence |