Assignee
CHANG TSUNG-HAU
TW·4 granted patents·7 citations·filing 2009–2011
Top patents by PatentIndex Score
4 records- 0169US8786271B2Circuit and method for generating reference voltage and reference currentCHANG TSUNG-HAU·Filed 2011·Granted Jul 22, 2014·5 cites·10 claims
- 0265US8502472B2Light emitting diode driving apparatus and method for holding driving voltage thereofCHANG TSUNG-HAU·Filed 2011·Granted Aug 6, 2013·2 cites·11 claims
- 0349US8237369B2Light source apparatus and driving circuit thereofCHANG TSUNG-HAU·Filed 2009·Granted Aug 7, 2012·0 cites·34 claims
- 0447US8471603B2Current driver, electronic device and current driving methodCHANG TSUNG-HAU·Filed 2011·Granted Jun 25, 2013·0 cites·24 claims
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