Inventor
Young Chul Ryu
Inventor
Cupertino, CA, US
Overview
Patents· 5 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 applications30%
H05BElectric heating20%
PatentTitleYear
9,831,772Resonant converter with synchronous rectifier feedback20179,692,316'Bleeder method using switch node coupling capacitor for TRIAC dimming of solid state lighting'20179,179,523'Start-up voltage for solid-state lighting controller'20157,391,629'Switching mode power supply with controller for handling overcurrents'20087,218,532'Switching mode power supply'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Patents assigned to FAIRCHILD KR SEMICONDUCTOR LTD (2)· patent assignee history
2007–2008Based in Gyeonggi-do, KR· patent location history
2015–2017Patents assigned to MARVELL INT LTD (3)· patent assignee history
2015–2017Based in Cupertino, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARVELL INT LTD | 3 | 2015–2017 |
| FAIRCHILD KR SEMICONDUCTOR LTD | 2 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 3 | 2015–2017 |
| Gyeonggi-do, KR | 2 | 2007–2008 |