Inventor
Footshen Wong
Inventor
Singapore, SG
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 systems27%
H05BElectric heating18%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications18%
G06FElectric digital data processing9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
H02JElectric power networks9%
H03KPulse technique9%
PatentTitleYear
7,948,455'Apparatus and method for regulating white LEDs'20117,898,218'Power supply topologies with PWM frequency control'20117,724,553'DC-to-DC converter with improved transient response'20107,378,896'Single pin for multiple functional control purposes'20087,375,472'Highly efficient driving of photoflash diodes using low and fixed voltage drop-out current sink'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2011Patents assigned to O2MICRO INT LTD (3)· patent assignee history
2008Patents assigned to 02MICRO INTERNAT LTD (1)· patent assignee history
2008–2011Based in Singapore, SG· patent location history
2011Patents assigned to 02MICRO INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| O2MICRO INT LTD | 3 | 2008–2011 |
| 02MICRO INC | 1 | 2011 |
| 02MICRO INTERNAT LTD | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 5 | 2008–2011 |