Method, apparatus, electronic device and storage medium for data processing
US-12591549-B2 · Mar 31, 2026 · US
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Liu Qingfeng patents
Liu Qingfeng is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Liu Qingfeng |
| Total patents | 16 |
| First publication | May 18, 2017 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Modified Graphite-Coated Soft Particle and Method for Preparing Same, and Profile Control and Water Shutoff Agent and Application Thereof
US-2026028521-A1 · Jan 29, 2026 · US
CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof
US-12410271-B1 · Sep 9, 2025 · US
Method, apparatus, electronic device and storage medium for data processing
US-2024256495-A1 · Aug 1, 2024 · US
Plasmonic metal/graphene heterostructures and related methods
US-11908960-B2 · Feb 20, 2024 · US
Two-dimensionality detection method for industrial control system attacks
US-11657150-B2 · May 23, 2023 · US
Two-dimensionality detection method for industrial control system attacks
US-2023076346-A1 · Mar 9, 2023 · US
Plasmonic metal/graphene heterostructures and related methods
US-2021324512-A1 · Oct 21, 2021 · US
Flyback Power Converters Including Adaptive Clamp Circuits For Adjusting Resonant Frequencies
US-2020336074-A1 · Oct 22, 2020 · US
Switched-mode power supplies having burst mode operation for reduced power consumption
US-10355601-B2 · Jul 16, 2019 · US
Recent patents
Latest publications not already listed above.
Power factor correction stage control during start-up for efficient use of a negative temperature coefficient thermistor
US-10340787-B2 · Jul 2, 2019 · US
Flyback power converters including adaptive clamp circuits for adjusting resonant frequencies
US-2019036459-A1 · Jan 31, 2019 · US
Switched-Mode Power Supplies Having Burst Mode Operation For Reduced Power Consumption
US-2018375437-A1 · Dec 27, 2018 · US
Switch mode power supplies including primary side clamping circuits controlled based on secondary side signals
US-9991799-B2 · Jun 5, 2018 · US
Switch mode power supplies including primary side clamping circuits controlled based on secondary side signals
US-2017257033-A1 · Sep 7, 2017 · US
Power Factor Correction Stage Control During Start-up For Efficient Use Of A Negative Temperature Coefficient Thermistor
US-2017141678-A1 · May 18, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Astec Int Ltd | 8 |
| Univ China Petroleum East China | 2 |
| Univ Dalian Tech | 2 |
| Beijing Zitiao Network Technology Co Ltd | 2 |
| Univ Kansas | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02B70/10 | 8 |
| H02M1/08 | 6 |
| H02M3/33569 | 4 |
| H02M1/0048 | 4 |
| H02M2001/0048 | 3 |