Efficient extraction of provenance information from database query execution logs
US-12541529-B2 · Feb 3, 2026 · US
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Pan Chao patents
Pan Chao is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Pan Chao |
| Total patents | 17 |
| First publication | Jan 8, 2015 |
| Latest publication | Feb 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Efficient extraction of provenance information from database query execution logs
US-2025238432-A1 · Jul 24, 2025 · US
Lidar detection method, device, storage medium, and lidar
US-2025035789-A1 · Jan 30, 2025 · US
Signal detection method and optical time-domain reflectometer
US-12181370-B2 · Dec 31, 2024 · US
Optical Power Adjustment System and Optical Power Adjustment Apparatus
US-2024056188-A1 · Feb 15, 2024 · US
Wavelength measurement chip and wavelength measurement system
US-2023341266-A1 · Oct 26, 2023 · US
Signal Detection Method and Optical Time-Domain Reflectometer
US-2023031468-A1 · Feb 2, 2023 · US
Polarization-dependent loss determining method, detection system, and optical signal transmission structure
US-11343010-B2 · May 24, 2022 · US
Frequency offset processing method, apparatus, and device and storage medium
US-11316591-B2 · Apr 26, 2022 · US
Optical signal transceiver apparatus
US-11171722-B2 · Nov 9, 2021 · US
Recent patents
Latest publications not already listed above.
Polarization-Dependent Loss Determining Method, Detection System, and Optical Signal Transmission Structure
US-2021320742-A1 · Oct 14, 2021 · US
Frequency Offset Processing Method, Apparatus, and Device and Storage Medium
US-2021135763-A1 · May 6, 2021 · US
Optical signal transceiver apparatus
US-2021067244-A1 · Mar 4, 2021 · US
Multistage minimum variance distortionless response beamformer
US-9560463-B2 · Jan 31, 2017 · US
Multistage minimum variance distortionless response beamformer
US-2016277862-A1 · Sep 22, 2016 · US
Reflector, illuminator and the use thereof
US-9086204-B2 · Jul 21, 2015 · US
Reflector, illuminator and the use thereof
US-2015009668-A1 · Jan 8, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Huawei Tech Co Ltd | 10 |
| Microsoft Technology Licensing Llc | 2 |
| Univ Northwestern Polytechnical | 2 |
| Ge Lighting Solutions Llc | 2 |
| Suteng Innovation Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04B10/07955 | 4 |
| H04B10/071 | 4 |
| G01M11/337 | 2 |
| G02B27/283 | 2 |
| H04J14/06 | 2 |