Inventor · disambiguated record
Cheng-Ching Chang
Also filed as: CHANG CHENG-CHING
3 granted patents·34 citations·filing 2009–2014
69Inventor score
Top patents by PatentIndex Score
3 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
- 0366US9059650B2Angle detecting module and method for motor rotorRHYMEBUS CORP·Filed 2014·Granted Jun 16, 2015·3 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →