Inventor
Haiqing Yang
Inventor
Madison, AL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
H01CResistors13%
H02HEmergency protective circuit arrangements13%
F21VFunctional features or details of lighting devices or systems thereof6%
G01RMeasuring electric variables6%
G08BSignalling systems, e.g. personal calling systems6%
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 systems6%
PatentTitleYear
10,320,181Failure detection and alerting circuit for a common mode surge protection device in an LED driver201910,004,123Failure detection and alerting circuit for a differential mode surge protection device in an LED driver20189,913,354'Unpowered tuning interface circuit for an LED driver'20189,693,404'Negative current sensing method for multi-channel LED driver'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2019Patents assigned to UNIVERSAL LIGHTING TECH INC (4)· patent assignee history
2017–2019Based in Madison, AL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIVERSAL LIGHTING TECH INC | 4 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Madison, AL, US | 4 | 2017–2019 |