Inventor
Xiaoli Yao
Inventor
Zhejiang, CN
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating39%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications28%
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 systems19%
G05FSystems for regulating electric or magnetic variables3%
H02JElectric power networks3%
LOC083%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
D0921470Safety blade knife20219,590,487'Method and circuit for reducing ripple of current output by current source'20179,240,711'Constant current control circuit with PFC function and its PFC circuit'20169,185,756'Load driving device and system, limiting point control method and device'20159,155,141'Multi-path constant current driving circuit'20159,072,126'Open-circuit protection circuit of constant current driving circuit for light emitting diodes'20159,018,845'Circuit for adjusting LED current'20158,866,409'Constant-current LED driver circuit and output voltage adjustable circuit and method thereof'20148,853,957'High efficiency constant current LED driver'20148,674,621'Constant current control circuit with multiple outputs for LED driver'20148,659,919'Circuit to improve light load power factor of power supply'20148,629,664'Multi-path constant current driving circuit'20148,552,942'LED drive circuit for SCR dimming'20138,294,381'PWM dimming circuit for LED'20127,460,379'Electrical circuit with voltage multiplier for facilitating ignition of a gas discharge lamp'20087,456,583'Electrical circuit with dual stage resonant circuit for igniting a gas discharge lamp'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Based in Shanghai, CN· patent location history
2012–2016Patents assigned to YAO XIAOLI (11)· patent assignee history
2012–2015Patents assigned to HUA GUICHAO (8)· patent assignee history
2012–2015Patents assigned to REN LIJUN (5)· patent assignee history
2012–2015Based in Zhejiang, CN· patent location history
2013–2016Patents assigned to INVENTRONICS HANGZHOU INC (11)· patent assignee history
2014–2016Patents assigned to GE LIANG AN (7)· patent assignee history
2014–2017Based in Hangzhou, CN· patent location history
2021Based in Middletown, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INVENTRONICS HANGZHOU INC | 11 | 2013–2016 |
| YAO XIAOLIself | 11 | 2012–2016 |
| HUA GUICHAO | 8 | 2012–2015 |
| GE LIANG AN | 7 | 2014–2016 |
| REN LIJUN | 5 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zhejiang, CN | 7 | 2012–2015 |
| Hangzhou, CN | 6 | 2014–2017 |
| Shanghai, CN | 2 | 2008 |
| Middletown, CT, US | 1 | 2021 |