Inventor · disambiguated record
Cheng-Hui Chang
Also filed as: CHANG CHENG-HUI
2 granted patents·1 pending application·13 citations·filing 1988–2014
55Inventor score
Top patents by PatentIndex Score
3 records- 0160US9450488B2Control circuit for maintaining output signal of switching regulator in a sleep mode and method for regulating electrical signalPHISON ELECTRONICS CORP·Filed 2014·Granted Sep 20, 2016·2 cites·23 claims
- 0238US4809582AOuter layer drumhead structureCHANG CHENG HUI·Filed 1988·Granted Mar 7, 1989·11 cites·1 claims
- 0334US2016088384A1HeadphoneCHANG CHENG-HUI·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →