Inventor
LEWEI QIAN
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems33%
H02JElectric power networks22%
B60LPropulsion of electrically-propelled vehicles11%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
12,489,373Switchable bidirectional power converter with single power factor correction circuit and on board charger therewith202512,463,545Isolated bi-directional DC conversion circuit and method for controlling the same202511,777,411Resonant power converter for wide voltage switching202311,368,031Power distribution and circuit protection for a mobile application having a high efficiency inverter2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to EATON INTELLIGENT POWER LTD (3)· patent assignee history
2022–2025Based in US· patent location history
2025Patents assigned to APTIV ELECTRIC SYSTEMS COMPANY LTD (1)· patent assignee history
2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EATON INTELLIGENT POWER LTD | 3 | 2022–2025 |
| APTIV ELECTRIC SYSTEMS COMPANY LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2022–2025 |
| CN | 1 | 2025 |