Patent assignee · US · COMPANY

Cadence Design Systems, Inc.

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2,529Patents
1,964Active
2,529Granted
63Portfolio score

Filing activity: Jun 19, 1991 → Feb 19, 2024 · 605 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7383521B2 Characterization and reduction of variation for integrated circuits Physics 325 Expired
US7231628B2 Method and system for context-specific mask inspection Physics 279 Expired
US5838583A Optimized placement and routing of datapaths Physics 239 Expired
US7774735B1 Integrated circuit netlist migration Physics 235 Active
US7367008B2 Adjustment of masks for integrated circuit fabrication Electricity 235 Expired
US7360179B2 Use of models in integrated circuit fabrication Emerging Cross-Sectional Technologies 222 Expired
US7487475B1 Systems, methods, and apparatus to perform statistical static timing analysis Physics 220 Expired
US7359843B1 Robust calculation of crosstalk delay change in integrated circuit design Physics 211 Expired
US9137485B2 Home network architecture for delivering high-speed data services Electricity 204 Active
US7562323B1 System, method and computer program product for handling small aggressors in signal integrity analysis Physics 199 Active
US7962867B2 Electronic design for integrated circuits based on process related variations Electricity 199 Active
US7506300B2 Apparatus and method for breaking up and merging polygons Physics 199 Expired
US7065731B2 Removal of acute angles in a design layout Physics 198 Expired
US8336010B1 Design-specific on chip variation de-rating factors for static timing analysis of integrated circuits Physics 194 Active
US7073140B1 Method and system for performing crosstalk analysis Physics 189 Expired
US6971076B2 Method for estimating peak crosstalk noise based on separate crosstalk model Physics 188 Expired
US7549134B1 Method and system for performing crosstalk analysis Physics 187 Active
US7917877B2 System and method for circuit schematic generation Physics 183 Active
US7712056B2 Characterization and verification for integrated circuit designs Physics 183 Active
US7568174B2 Method for checking printability of a lithography target Physics 181 Active
US5440719A Method simulating data traffic on network in accordance with a client/sewer paradigm Physics 180 Expired
US7802219B2 Flat placement of cells on non-integer multiple height rows in a digital integrated circuit layout Physics 180 Active
US6452910B1 Bridging apparatus for interconnecting a wireless PAN and a wireless LAN Electricity 177 Expired
US7480891B2 Method and apparatus of model-based photomask synthesis Physics 173 Active
US6578174B2 Method and system for chip design using remotely located resources Physics 171 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.