Inventor
Xujun Liu
Inventor
Shenzhen, CN
Overview
Patents· 21 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 systems28%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications22%
Y02PClimate change mitigation technologies in the production or processing of goods7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H03KPulse technique6%
H01LSemiconductor devices4%
H03FAmplifiers4%
H03GControl of amplification4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,734,830Fast changing method and system, terminal, and charger202010,535,310Gate driving unit and gate driving circuit202010,446,087GOA driving unit201910,417,981GOA gate driving circuit and liquid crystal display201910,411,700Method and apparatus for driving power switch tube201910,340,807Gate drive apparatus for resonant converters201910,284,097Apparatus and efficiency point tracking method for high efficiency resonant converters201910,116,219Apparatus and efficiency point tracking method for high efficiency resonant converters20189,876,435Gate drive apparatus for resonant converters20189,812,968'Zero voltage switching detection apparatus and method'20179,680,467'Method and apparatus for driving power switch tube'20179,479,073'Gate drive apparatus for resonant converters'20169,467,054'Current sensing apparatus for resonant tank in an LLC resonant converter'20169,444,346'Apparatus and efficiency point tracking method for high efficiency resonant converters'20169,350,260'Startup method and system for resonant converters'20169,143,044'Apparatus and method for pulse width modulation control for switching power converters'20158,908,393'Soft transition apparatus and method for switching power converters'20148,744,382'Fast tracking power supply device, fast tracking power supply control method, and communication equipment'20148,564,984'Soft switching DC/DC converters and methods'20138,253,487'Tracking power supply, method for controlling power supply, and communication apparatus'20128,027,175'Power supply adjusting apparatus'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to HUAWEI TECH CO LTD (6)· patent assignee history
2011–2020Based in Shenzhen, CN· patent location history
2012–2015Patents assigned to LIU XUJUN (5)· patent assignee history
2012–2014Patents assigned to HOU ZHAOZHENG (3)· patent assignee history
2013–2019Patents assigned to FUTUREWEI TECHNOLOGIES INC (12)· patent assignee history
2019–2020Patents assigned to SHENZHEN CHINA STAR OPTOELECT (3)· patent assignee history
2019–2020Based in Guangdong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUTUREWEI TECHNOLOGIES INC | 12 | 2013–2019 |
| HUAWEI TECH CO LTD | 6 | 2011–2020 |
| LIU XUJUNself | 5 | 2012–2015 |
| HOU ZHAOZHENG | 3 | 2012–2014 |
| SHENZHEN CHINA STAR OPTOELECT | 3 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shenzhen, CN | 18 | 2011–2020 |
| Guangdong, CN | 3 | 2019–2020 |