Inventor
Qingquan Tang
Inventor
Kingston, PA, US
Overview
Patents· 11 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 systems25%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for11%
B64DEquipment for fitting in or to aircraft11%
F02PIgnition, other than compression ignition, for internal-combustion engines11%
H03HImpedance networks, e.g. resonant circuits11%
Y10TTechnical subjects covered by former us classification11%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C12NMicroorganisms or enzymes4%
H01FMagnets4%
PatentTitleYear
10,634,109Multiple pulse ignition system control202010,476,379Aircraft universal power converter201910,145,352Resonant ignition circuit20189,920,736'Ignition control circuit with current slope detection'20189,768,680'Power converter having EMI filter common to multiple converters'20179,533,638'Aircraft universal power converter'20179,401,633'Three-phase inverter with a repositioned choke'20169,331,594'Conversion system for converting direct current into alternating current'20169,048,726'Power system having repetitive control in symmetric sequences with harmonics cancellation'20158,964,432'Apparatus and method for controlling circulating current in an inverter system'20158,691,781'Compositions for treating respiratory viral infections and their use'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to LU PATRICK (1)· patent assignee history
2014Patents assigned to SIRNAOMICS INC (1)· patent assignee history
2014Based in Gaithersburg, MD, US· patent location history
2015–2019Patents assigned to BOEING CO (7)· patent assignee history
2015Based in Brooklyn, NY, US· patent location history
2016–2019Based in Kingston, PA, US· patent location history
2018–2020Patents assigned to FAIRCHILD SEMICONDUCTOR (3)· patent assignee history
2018Patents assigned to FAIRCHILD SEMICONCTOR CORP (1)· patent assignee history
2018–2020Based in Breinigsville, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOEING CO | 7 | 2015–2019 |
| FAIRCHILD SEMICONDUCTOR | 3 | 2018–2020 |
| FAIRCHILD SEMICONCTOR CORP | 1 | 2018 |
| LU PATRICK | 1 | 2014 |
| SIRNAOMICS INC | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingston, Pennsylvania, US | 5 | 2016–2019 |
| Breinigsville, Pennsylvania, US | 3 | 2018–2020 |
| Brooklyn, New York, US | 2 | 2015 |
| Gaithersburg, Maryland, US | 1 | 2014 |