Assignee
AVANT CORP
US16 patents
Top patents by PatentIndex Score
US6289499B1Sep 11, 2001
Proximity correction software for wafer lithography
AVANT CORP183 citations97
US6081658AJun 27, 2000
Proximity correction system for wafer lithography
AVANT CORP148 citations97
US6505323B1Jan 7, 2003
Methods, apparatus and computer program products that perform layout versus schematic comparison of integrated circuit memory devices using bit cell detection and depth first searching techniques
AVANT CORP54 citations93
US6236956B1May 22, 2001
Component-based analog and mixed-signal simulation model development including newton step manager
AVANT CORP95 citations93
US5798936AAug 25, 1998
Congestion-driven placement method and computer-implemented integrated-circuit design tool
AVANT CORP156 citations93
US5847965ADec 8, 1998
Method for automatic iterative area placement of module cells in an integrated circuit layout
AVANT CORP96 citations92
US5793643AAug 11, 1998
Method for handling variable width wires in a grid-based channel router
AVANT CORP50 citations92
US6286126B1Sep 4, 2001
Methods, apparatus and computer program products for performing post-layout verification of microelectronic circuits using best and worst case delay models for nets therein
AVANT CORP68 citations90
US6009252ADec 28, 1999
Methods, apparatus and computer program products for determining equivalencies between integrated circuit schematics and layouts using color symmetrizing matrices
AVANT CORP45 citations90
US5896300AApr 20, 1999
Methods, apparatus and computer program products for performing post-layout verification of microelectronic circuits by filtering timing error bounds for layout critical nets
AVANT CORP84 citations90
US6499130B1Dec 24, 2002
Methods, apparatus and computer program products that perform layout versus schematic comparison of integrated circuits using advanced symmetry resolution techniques
AVANT CORP20 citations89
US6418551B1Jul 9, 2002
Design rule checking tools and methods that use waiver layout patterns to waive unwanted dimensional check violations
AVANT CORP73 citations86
US6002857ADec 14, 1999
Symbolic constraint-based system for preroute reconstruction following floorplan incrementing
AVANT CORP78 citations86
US5841664ANov 24, 1998
Method for optimizing track assignment in a grid-based channel router
AVANT CORP45 citations86
US4159228AJun 26, 1979
Apparatus for solar distillation
AVANT CORP8 citations65
US6031426AFeb 29, 2000
Phase locked loop with digital vernier control
AVANT CORP14 citations59