Inventor · disambiguated record
Ching-Cheng Ma
Also filed as: MA CHING-CHENG
5 granted patents·22 citations·filing 2006–2013
75Inventor score
Top patents by PatentIndex Score
5 records- 0177US8907607B1Soft start circuit for a forward/reverse rotation fanADDA CORP·Filed 2013·Granted Dec 9, 2014·5 cites·14 claims
- 0270US7646162B2Control circuit for fan operatingADDA CORP·Filed 2007·Granted Jan 12, 2010·10 cites·8 claims
- 0358US7348740B2Motor control circuit for forward/reverse rotationADDA CORP·Filed 2006·Granted Mar 25, 2008·4 cites·13 claims
- 0457US8421476B2Fan failure detectorMA CHING-CHENG·Filed 2010·Granted Apr 16, 2013·3 cites·8 claims
- 0533US8462470B2Auto power-off and actuation circuit for a fanMA CHING-CHENG·Filed 2010·Granted Jun 11, 2013·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Ching-Cheng Ma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →