Inventor
Bairen Liu
Inventor
Hangzhou, CN
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating28%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications24%
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 systems20%
B41JTypewriters4%
B41MPrinting, duplicating, marking, or copying processes4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
D21HPulp compositions4%
G01RMeasuring electric variables4%
G05FSystems for regulating electric or magnetic variables4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
11,091,661Method for preparing large-area structural chromogenic pattern by ink-jet printing and anti-counterfeiting method based on structural color change202110,715,044Single stage multi-outputs circuit and a method thereof202010,091,846LED driving system and associated control method20189,998,005Single inductor dual output voltage converter and the method thereof20189,685,876'Resonant converter with capacitive mode detection and associated detection method'20179,485,819'Single stage LED driver system, control circuit and associated control method'20169,236,796'Charge pump and method of having negative output voltage tracking positive output voltage thereof'20169,215,769'LED backlight driver system and associated method of operation'20159,035,566'Light emitting diode driver systems and associated methods of control'20158,952,632'Driver systems for driving light emitting diodes and associated driving methods'20158,098,018'Pulse dimming circuit and the method thereof'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to LIU BAIREN (4)· patent assignee history
2012–2018Patents assigned to MONOLITHIC POWER SYSTEMS INC (4)· patent assignee history
2012–2015Patents assigned to DU LEI (3)· patent assignee history
2012–2015Patents assigned to REN YUANCHENG (3)· patent assignee history
2012–2018Based in Hangzhou, CN· patent location history
2015–2020Patents assigned to CHENGDU MONOLITHIC POWER SYS (5)· patent assignee history
2020Based in Chengdu, CN· patent location history
2021Based in Liaoning, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHENGDU MONOLITHIC POWER SYS | 5 | 2015–2020 |
| LIU BAIRENself | 4 | 2012–2015 |
| MONOLITHIC POWER SYSTEMS INC | 4 | 2012–2018 |
| DU LEI | 3 | 2012–2015 |
| REN YUANCHENG | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hangzhou, CN | 9 | 2012–2018 |
| Liaoning, CN | 1 | 2021 |
| Chengdu, CN | 1 | 2020 |