MENTOR GRAPHICS CORPORATION
681Patents
572Active
681Granted
62Portfolio score
Filing activity: Jul 8, 1987 → Apr 10, 2020 · 168 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5999911A | Method and system for managing workflow | Physics | 395 | Expired |
| US5036473A | Method of using electronically reconfigurable logic circuits | Physics | 320 | Expired |
| US6415421B1 | Integrated verification and manufacturability tool | Physics | 308 | Expired |
| US6230299A | Method and apparatus for extracting and storing connectivity and geometrical data for a deep sub-micron integrated circuit design | Physics | 252 | Expired |
| US6516459B1 | Integrated circuit design correction using fragment correspondence | Physics | 209 | Expired |
| US5991898A | Arithmetic built-in self test of multiple scan-based integrated circuits | Physics | 174 | Expired |
| US5991909A | Parallel decompressor and related methods and apparatuses | Physics | 149 | Expired |
| US6122690A | On-chip bus architecture that is both processor independent and scalable | Physics | 149 | Expired |
| US6049789A | Software pay per use licensing system | Physics | 148 | Expired |
| US5815683A | Accessing a remote cad tool server | Physics | 146 | Expired |
| US4744084A | Hardware modeling system and method for simulating portions of electrical circuits | Physics | 133 | Expired |
| US5757656A | Method for routing breakouts | Physics | 118 | Expired |
| US5754827A | Method and apparatus for performing fully visible tracing of an emulation | Physics | 116 | Expired |
| US8402397B2 | Hotspot detection based on machine learning | Emerging Cross-Sectional Technologies | 109 | Active |
| US5255363A | Graph-based programming system and associated method | Physics | 87 | Expired |
| US5999725A | Method and apparatus tracing any node of an emulation | Physics | 81 | Expired |
| US7546571B2 | Distributed electronic design automation environment | Physics | 74 | Expired |
| US4912664A | Method and apparatus for generating a mesh for finite element analysis | Physics | 71 | Expired |
| US7386833B2 | Polymorphic computational system and method in signals intelligence analysis | Physics | 69 | Expired |
| US5771370A | Method and apparatus for optimizing hardware and software co-simulation | Physics | 68 | Expired |
| US5777489A | Field programmable gate array with integrated debugging facilities | Electricity | 68 | Expired |
| US5574388A | Emulation system having a scalable multi-level multi-stage programmable interconnect network | Physics | 66 | Expired |
| US7073162B2 | Site control for OPC | Physics | 62 | Expired |
| US5551028A | Design data management system and associated method | Physics | 61 | Expired |
| US6240376A | Method and apparatus for gate-level simulation of synthesized register transfer level designs with source-level debugging | Physics | 61 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.