Inventor · disambiguated record
Douglas Chang
Also filed as: CHANG DOUGLAS
10 granted patents·49 citations·filing 1994–2022
85Inventor score
Top patents by PatentIndex Score
10 records- 0184US8893073B2Displaying a congestion indicator for a channel in a circuit design layoutSYNOPSYS INC·Filed 2012·Granted Nov 18, 2014·7 cites·15 claims
- 0271US8910097B2Netlist abstractionSYNOPSYS INC·Filed 2013·Granted Dec 9, 2014·3 cites·18 claims
- 0365US8037442B2Method and apparatus for scaling I/O-cell placement during die-size optimizationSYNOPSYS INC·Filed 2008·Granted Oct 11, 2011·4 cites·19 claims
- 0458US8001514B2Method and apparatus for computing a detailed routability estimationSYNOPSYS INC·Filed 2008·Granted Aug 16, 2011·2 cites·25 claims
- 0555US11694016B2Fast topology bus router for interconnect planningSYNOPSYS INC·Filed 2021·Granted Jul 4, 2023·0 cites·17 claims
- 0646US12073156B2Propagating physical design information through logical design hierarchy of an electronic circuitSYNOPSYS INC·Filed 2022·Granted Aug 27, 2024·0 cites·20 claims
- 0746US6285355B1Mouse-associated Z-axis encoderKEY MOUSE ELECTRONIC ENTPR CO·Filed 1999·Granted Sep 4, 2001·22 cites·19 claims
- 0844US9026974B2Semiconductor integrated circuit partitioning and timingSYNOPSYS INC·Filed 2013·Granted May 5, 2015·0 cites·18 claims
- 0938US10318692B2Scalable chip placementSYNOPSYS INC·Filed 2015·Granted Jun 11, 2019·0 cites·15 claims
- 1037US5345253ATrack ball base structureBEHAVIOR TECH COMPUTER CORP·Filed 1994·Granted Sep 6, 1994·11 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →