Inventor
Haisong Li
Inventor
Jiangsu, CN
Overview
Patents· 12 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 systems43%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications19%
H02HEmergency protective circuit arrangements14%
H03KPulse technique14%
G05FSystems for regulating electric or magnetic variables5%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
10,355,577Control circuit and control method of switching power supply201910,312,816Primary controller of switching power supply and switching power supply201910,038,437High voltage power system with enable control201810,008,944Control method and control circuit for switching power supply20189,985,543Switching power supply20189,923,365'Short-circuit protection circuit for voltage sampling resistor of primary side converter'20189,812,945'Circuit structure for enhancing EFT immunity of primary side converter'20179,800,164'Compensation circuit for constant output voltage'20179,431,892'High voltage start-up circuit with adjustable start-up time'20169,007,099'Semiconductor device with a current sampler and a start-up structure'20158,482,064'Termination for superjunction VDMOSFET'20137,557,634'Low-power consumption high-voltage CMOS driving circuit'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009Patents assigned to UNIV SOUTHEAST (1)· patent assignee history
2009–2019Based in Jiangsu, CN· patent location history
2013–2019Patents assigned to SUZHOU POWERON IC DESIGN CO LTD (7)· patent assignee history
2013Patents assigned to LI HAISONG (1)· patent assignee history
2013Patents assigned to TAO PING (1)· patent assignee history
2013–2015Based in Suzhou, CN· patent location history
2018–2019Patents assigned to WUXI CHIPOWN MICRO ELECTRONICS LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUZHOU POWERON IC DESIGN CO LTD | 7 | 2013–2019 |
| WUXI CHIPOWN MICRO ELECTRONICS LTD | 3 | 2018–2019 |
| LI HAISONGself | 1 | 2013 |
| TAO PING | 1 | 2013 |
| UNIV SOUTHEAST | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jiangsu, CN | 10 | 2009–2019 |
| Suzhou, CN | 2 | 2013–2015 |