Inventor · disambiguated record
Charles Chang
Also filed as: CHANG CHARLES · CHANG CHARLES S
3 granted patents·44 citations·filing 1989–2006
71Inventor score
Top patents by PatentIndex Score
3 records- 0188US7443241B2RF variable gain amplifierVIA TECH INC·Filed 2006·Granted Oct 28, 2008·16 cites·9 claims
- 0247US5058112AProgrammable fault insertion circuitAG COMMUNICATION SYSTEMS·Filed 1989·Granted Oct 15, 1991·23 cites·3 claims
- 0330US5689155AElectronic stabilizer having a variable frequency soft start circuitYAO SHUNG ELECTRONIC CO LTD·Filed 1996·Granted Nov 18, 1997·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →