Inventor
Leng-Nien Hsiu
Inventor
Zhubei City, TW
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating44%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications19%
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 systems15%
G05FSystems for regulating electric or magnetic variables7%
G01RMeasuring electric variables4%
H01LSemiconductor devices4%
H03KPulse technique4%
H10DInorganic electric semiconductor devices4%
PatentTitleYear
10,980,090Light emitting device driving apparatus and dimming control circuit and dimming control method thereof202110,972,090Output stage circuit for transmitting data via bus20219,504,102'Light emitting device driver circuit and control circuit and control method thereof'20169,277,610'Power converter circuit for low power illumination device, control circuit thereof and method thereof'20169,265,099'Power converter circuit for low power illumination device, control circuit thereof and method thereof'20169,247,601'Light emitting device control circuit with dimming function and control method thereof'20169,106,151'Power-factor-improving circuit and method for an offline converter'20159,081,401'Switching regulator and control circuit and control method thereof'20159,055,649'Control circuit and control method of light emitting device circuit'20158,884,537'Active bleeder circuit triggering TRIAC in all phase and light emitting device power supply circuit and TRIAC control method using the active bleeder circuit'20148,780,587'Switching regulator and control circuit and control method thereof'20148,710,755'Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof'20148,659,239'Circuit and method for providing absolute information for floating grounded integrated circuit'20148,319,444'Tail-less LED control circuit'20128,026,676'Dimming control circuit'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Based in Jubei, TW· patent location history
2012–2016Patents assigned to HSIU LENG-NIEN (8)· patent assignee history
2012–2015Patents assigned to LIU JING-MENG (6)· patent assignee history
2012–2016Based in Zhubei City, TW· patent location history
2014–2021Patents assigned to RICHTEK TECHNOLOGY CORP (12)· patent assignee history
2014–2016Patents assigned to CHEN PEI-YUAN (6)· patent assignee history
2014–2015Patents assigned to LIAO CHIA-WEI (5)· patent assignee history
2016Based in Hsinchu County, TW· patent location history
2021Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICHTEK TECHNOLOGY CORP | 12 | 2014–2021 |
| HSIU LENG-NIENself | 8 | 2012–2016 |
| CHEN PEI-YUAN | 6 | 2014–2016 |
| LIU JING-MENG | 6 | 2012–2015 |
| LIAO CHIA-WEI | 5 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zhubei City, TW | 10 | 2012–2016 |
| Hsinchu, TW | 2 | 2021 |
| Hsinchu County, TW | 2 | 2016 |
| Jubei, TW | 1 | 2011 |