Assignee
AVANT CORP
US·16 granted patents·1,217 citations·filing 1977–2000
Top patents by PatentIndex Score
16 records- 0197US6289499B1Proximity correction software for wafer lithographyAVANT CORP·Filed 2000·Granted Sep 11, 2001·183 cites·20 claims
- 0295US6081658AProximity correction system for wafer lithographyAVANT CORP·Filed 1997·Granted Jun 27, 2000·148 cites·4 claims
- 0386US5798936ACongestion-driven placement method and computer-implemented integrated-circuit design toolAVANT CORP·Filed 1996·Granted Aug 25, 1998·156 cites·12 claims
- 0485US6505323B1Methods, apparatus and computer program products that perform layout versus schematic comparison of integrated circuit memory devices using bit cell detection and depth first searching techniquesAVANT CORP·Filed 2000·Granted Jan 7, 2003·54 cites·20 claims
- 0582US6418551B1Design rule checking tools and methods that use waiver layout patterns to waive unwanted dimensional check violationsAVANT CORP·Filed 2000·Granted Jul 9, 2002·73 cites·20 claims
- 0677US6236956B1Component-based analog and mixed-signal simulation model development including newton step managerAVANT CORP·Filed 1999·Granted May 22, 2001·95 cites·20 claims
- 0777US5847965AMethod for automatic iterative area placement of module cells in an integrated circuit layoutAVANT CORP·Filed 1996·Granted Dec 8, 1998·96 cites·8 claims
- 0876US5896300AMethods, apparatus and computer program products for performing post-layout verification of microelectronic circuits by filtering timing error bounds for layout critical netsAVANT CORP·Filed 1996·Granted Apr 20, 1999·84 cites·56 claims
- 0974US6499130B1Methods, apparatus and computer program products that perform layout versus schematic comparison of integrated circuits using advanced symmetry resolution techniquesAVANT CORP·Filed 2000·Granted Dec 24, 2002·20 cites·9 claims
- 1073US6286126B1Methods, apparatus and computer program products for performing post-layout verification of microelectronic circuits using best and worst case delay models for nets thereinAVANT CORP·Filed 1999·Granted Sep 4, 2001·68 cites·3 claims
- 1167US6002857ASymbolic constraint-based system for preroute reconstruction following floorplan incrementingAVANT CORP·Filed 1996·Granted Dec 14, 1999·78 cites·11 claims
- 1263US5793643AMethod for handling variable width wires in a grid-based channel routerAVANT CORP·Filed 1996·Granted Aug 11, 1998·50 cites·9 claims
- 1361US6009252AMethods, apparatus and computer program products for determining equivalencies between integrated circuit schematics and layouts using color symmetrizing matricesAVANT CORP·Filed 1998·Granted Dec 28, 1999·45 cites·33 claims
- 1459US5841664AMethod for optimizing track assignment in a grid-based channel routerAVANT CORP·Filed 1996·Granted Nov 24, 1998·45 cites·16 claims
- 1541US6031426APhase locked loop with digital vernier controlAVANT CORP·Filed 1998·Granted Feb 29, 2000·14 cites·5 claims
- 1635US4159228AApparatus for solar distillationAVANT CORP·Filed 1977·Granted Jun 26, 1979·8 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →