Assignee
LEE SHENG-HANN
US·4 granted patents·1 pending application·11 citations·filing 2009–2018
Top patents by PatentIndex Score
5 records- 0178US8174201B2Self-oscillating transformerless electronic ballastLEE SHENG-HANN·Filed 2009·Granted May 8, 2012·10 cites·31 claims
- 0265US10292218B1Light emitting diode control circuit with controller DC bias and AC power lines load current managementLEE SHENG HANN·Filed 2018·Granted May 14, 2019·1 cites·21 claims
- 0347US9166467B2Flicker-free converter for driving light-emitting diodesLEE SHENG-HANN·Filed 2013·Granted Oct 20, 2015·0 cites·27 claims
- 0436US8264160B2Advanced electronic ballastsLEE SHENG-HANN·Filed 2010·Granted Sep 11, 2012·0 cites·38 claims
- 0534US2012146537A1Variable-inductor electronic ballastsLEE SHENG-HANN·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →