Control method for flying capacitor voltage and multi-level conversion circuit employing same
US-2026088705-A1 · Mar 26, 2026 · US
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Zhang Jinfa patents
Zhang Jinfa is listed as an inventor on 198 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhang Jinfa |
| Total patents | 198 |
| First publication | Sep 24, 2015 |
| Latest publication | Mar 26, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Isolated DC-DC converter
US-12573960-B2 · Mar 10, 2026 · US
Non-isolated DC/DC power converter and power conversion apparatus
US-12549105-B2 · Feb 10, 2026 · US
Magnetic component
US-2026031270-A1 · Jan 29, 2026 · US
Multi-level ac/dc conversion circuit, multi-level dc/dc conversion circuit and control methods thereof
US-2026025058-A1 · Jan 22, 2026 · US
Magnetic assembly and power module
US-12531180-B2 · Jan 20, 2026 · US
Multi-level conversion circuit and control method for flying capacitor voltage thereof
US-12512768-B2 · Dec 30, 2025 · US
Three-phase resonant converter and control method thereof
US-2025385614-A1 · Dec 18, 2025 · US
Magnetic component
US-12494318-B2 · Dec 9, 2025 · US
Multi-level AC/DC conversion circuit, multi-level DC/DC conversion circuit and control methods thereof
US-12489360-B2 · Dec 2, 2025 · US
Recent patents
Latest publications not already listed above.
Magnetic core
US-D1103106-S · Nov 25, 2025 · US
Multi-level conversion circuit and control method for flying capacitor voltage thereof
US-12483139-B2 · Nov 25, 2025 · US
Power supply system
US-2025202381-A1 · Jun 19, 2025 · US
Rectifier module and transformer
US-2025141363-A1 · May 1, 2025 · US
Flyback circuit and control method of clamping switch of flyback circuit
US-12289055-B2 · Apr 29, 2025 · US
Power supply system for supplying power to network device
US-12279403-B2 · Apr 15, 2025 · US
Three-level rectification DC/DC converter
US-12255539-B2 · Mar 18, 2025 · US
Non-isolated dc/dc power converter and power conversion apparatus
US-2025070672-A1 · Feb 27, 2025 · US
Power conversion system and control method thereof
US-2025070639-A1 · Feb 27, 2025 · US
Magnetic assembly and power supply apparatus
US-12198842-B2 · Jan 14, 2025 · US
Three-level rectification DC/DC converter
US-12191775-B2 · Jan 7, 2025 · US
Method and system for warming-up electrolytic capacitor
US-2024396436-A1 · Nov 28, 2024 · US
Power element assembly structure
US-2024357778-A1 · Oct 24, 2024 · US
Flying capacitor three-level converter and flying capacitor three-level buck-boost converter
US-12113431-B2 · Oct 8, 2024 · US
Multilevel conversion circuit having flying capacitor and method for pre-charging the same
US-12113455-B2 · Oct 8, 2024 · US
Power conversion circuit and power supply device
US-2024333170-A1 · Oct 3, 2024 · US
Resonant circuit and control method thereof
US-2024243656-A1 · Jul 18, 2024 · US
Energy storage module with bypass circuit
US-2024235246-A9 · Jul 11, 2024 · US
Energy storage module and energy storage system
US-2024235238-A9 · Jul 11, 2024 · US
Winding assembly and magnetic element
US-12027299-B2 · Jul 2, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Delta Electronics Shanghai Co | 171 |
| Delta Electronics Inc | 21 |
| Univ Zhejiang | 6 |
| Delta Electronics Inc | 5 |
| Delta Electronics Thailand Public Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02B70/10 | 75 |
| H02M1/0058 | 39 |
| H02M1/32 | 37 |
| H02M3/01 | 36 |
| H02M3/33584 | 34 |