Inventor
Yen-Ming Liu
Inventor
Changhua County, TW
Overview
Patents· 4 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 systems50%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications38%
G05FSystems for regulating electric or magnetic variables13%
PatentTitleYear
9,614,447'Control circuits and methods for active-clamp flyback power converters'20179,276,483'Control circuit for active-clamp flyback power converter with programmable switching period'20169,158,323'Power control circuit and power supply system employing the same'20158,009,448'Forward-flyback converter with active-clamp circuit'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2015Patents assigned to DELTA ELECTRONICS INC (2)· patent assignee history
2011–2015Based in Taoyuan County, TW· patent location history
2016Patents assigned to SYSTEM GENERAL CORP (1)· patent assignee history
2016–2017Based in Changhua County, TW· patent location history
2017Patents assigned to FAIRCHILD (TAIWAN) CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELTA ELECTRONICS INC | 2 | 2011–2015 |
| FAIRCHILD (TAIWAN) CORP | 1 | 2017 |
| SYSTEM GENERAL CORP | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changhua County, TW | 2 | 2016–2017 |
| Taoyuan County, TW | 2 | 2011–2015 |