Inventor · disambiguated record
Huang-Chang Chang
Also filed as: CHANG HUANG-CHANG
2 granted patents·2 pending applications·16 citations·filing 2005–2018
51Inventor score
Top patents by PatentIndex Score
4 records- 0180US7580590B2Optical image system surface resolution calibration methodCHROMA ATE INC·Filed 2006·Granted Aug 25, 2009·16 cites·6 claims
- 0233US7423764B2Integrated interference scanning methodCHROMA ATE INC·Filed 2006·Granted Sep 9, 2008·0 cites·8 claims
- 0333US2007127036A1Interference measurement system self-alignment methodCHROMA ATE INC·Filed 2005·Application pending·0 cites
- 0432US2020083733A1Multi-Channel Intelligent ChargerPHIHONG TECH CO LTD·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →