Assignee

CHANG CHENG-CHING

TW·2 granted patents·31 citations·filing 2009–2010

Technology mixA63B1 F03G1 H02J1 H02M1 H02P1 Y02B1

Top patents by PatentIndex Score

2 records

0184US8772984B2Fitness equipment energy regenerating and saving systemCHANG CHENG-CHING·Filed 2010·Granted Jul 8, 2014·11 cites·18 claims
0276US8094472B2Power factor correction converter capable of fast adjusting loadCHANG CHENG-CHING·Filed 2009·Granted Jan 10, 2012·20 cites·16 claims

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