Inventor
Liqun Na
Inventor
Northville, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Kprimary
G10KSound-producing devices25%
B60LPropulsion of electrically-propelled vehicles17%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
G10LSpeech analysis techniques or speech synthesis8%
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 systems8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
H04SStereophonic systems8%
Y02TClimate change mitigation technologies related to transportation8%
PatentTitleYear
10,538,169Motor operating region based random pulse width modulation202010,224,017Active sound desensitization to tonal noise in a vehicle201910,121,464Subband algorithm with threshold for robust broadband active noise control system20189,837,065Variable bandwidth delayless subband algorithm for broadband active noise control system2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2020Patents assigned to FORD GLOBAL TECH LLC (4)· patent assignee history
2017–2018Patents assigned to UNIV CINCINNATI (2)· patent assignee history
2017–2020Based in Northville, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FORD GLOBAL TECH LLC | 4 | 2017–2020 |
| UNIV CINCINNATI | 2 | 2017–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Northville, MI, US | 4 | 2017–2020 |