Inventor
Chia-Chieh Hung
Inventor
Hsinchu, TW
Overview
Patents· 17 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 systems29%
H05BElectric heating29%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
H01LSemiconductor devices7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
G01RMeasuring electric variables4%
H03KPulse technique4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
11,081,420Substrate structure and semiconductor package structure202111,075,186Semiconductor package20218,680,835'Buck DC-to-DC converter having a novel output protection mechanism'20148,541,990'Power conversion controller having a novel power factor correction mechanism using line voltage normalization'20138,390,357'Fixed dead time PFC controller'20138,384,304'LED driver controller'20138,193,733'LED driver circuit'20128,067,904'Electronic ballast with dimming control from power line sensing'20118,068,354'Current-level controlling device for a power supply device and related power supply device'20118,064,226'Control circuit with frequency compensation'20118,044,651'Efficient PWM controller'20117,999,494'Electronic ballast with dimming control from power line sensing'20117,999,495'Electronic ballast with dimming control from power line sensing'20117,982,413'Electronic ballast with dimming control from power line sensing'20117,911,815'Primary-side feedback control device and related method for a power converter'20117,876,085'Quasi-resonant valley voltage detecting method and apparatus'20117,872,842'Overcurrent protection device for a power supply device and related power supply device'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to GRENERGY OPTO INC (10)· patent assignee history
2011–2014Patents assigned to HUNG CHIA-CHIEH (8)· patent assignee history
2011–2013Patents assigned to SU WEI-CHUAN (4)· patent assignee history
2011–2013Patents assigned to WANG YEN-HUI (4)· patent assignee history
2011Based in Hsinchu, TW· patent location history
2011Based in Taoyuan County, TW· patent location history
2011Based in Taoyuan, TW· patent location history
2012–2013Patents assigned to IMMENSE ADVANCE TECHNOLOGY CORP (4)· patent assignee history
2012–2014Based in Taipei, TW· patent location history
2021Based in Kaohsiung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRENERGY OPTO INC | 10 | 2011 |
| HUNG CHIA-CHIEHself | 8 | 2011–2014 |
| IMMENSE ADVANCE TECHNOLOGY CORP | 4 | 2012–2013 |
| SU WEI-CHUAN | 4 | 2011–2013 |
| WANG YEN-HUI | 4 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 6 | 2011 |
| Taipei, TW | 5 | 2012–2014 |
| Taoyuan County, TW | 3 | 2011 |
| Kaohsiung, TW | 2 | 2021 |
| Taoyuan, TW | 1 | 2011 |