Inventor
Minghao Wu
Inventor
CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating18%
F21KNon-electric light sources using luminescence9%
F21VFunctional features or details of lighting devices or systems thereof9%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted9%
G01RMeasuring electric variables9%
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 systems9%
H03KPulse technique9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
PatentTitleYear
12,598,680Lighting control circuit, lighting control method, and lighting circuit202612,471,194Driving control circuit of power transistor, lighting control circuit and lighting circuit202511,563,381Control method of switching circuit, control circuit of switching circuit, and switching circuit202311,280,452LED filament light202211,178,242Method and system for obtaining user's visit information, device and computer storage medium2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to Baidu online network technology beijing co ltd (1)· patent assignee history
2021–2026Based in CN· patent location history
2022Patents assigned to XIAMEN ECO LIGHTING CO LTD (1)· patent assignee history
2023Patents assigned to JOULWATT TECH HANGZHOU CO LTD (1)· patent assignee history
2025–2026Patents assigned to JOULWATT TECH CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOULWATT TECH CO LTD | 2 | 2025–2026 |
| Baidu online network technology beijing co ltd | 1 | 2021 |
| JOULWATT TECH HANGZHOU CO LTD | 1 | 2023 |
| XIAMEN ECO LIGHTING CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 5 | 2021–2026 |