Patent assignee · TW · COMPANY

Springsoft, Inc.

30Patents
16Active
30Granted
43Portfolio score

Filing activity: Jan 11, 1999 → Jan 13, 2012 · 15 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6980211B2 Automatic schematic diagram generation using topology information Emerging Cross-Sectional Technologies 121 Expired
US6366874B1 System and method for browsing graphically an electronic design based on a hardware description language specification Physics 90 Expired
US7366652B2 Method of programming a co-verification system Physics 35 Active
US6457163B1 Method and system for constructing and manipulating a physical integrated circuit layout of a multiple-gate semiconductor device Physics 32 Expired
US6321363A Incremental simulation using previous simulation results and knowledge of changes to simulation model to achieve fast simulation time Physics 31 Expired
US7283944B2 Circuit simulation bus transaction analysis Physics 24 Expired
US6341366B1 Rule-driven method and system for editing physical integrated circuit layouts Physics 22 Expired
US7739646B2 Analog and mixed signal IC layout system Physics 16 Active
US7386823B2 Rule-based schematic diagram generator Physics 13 Active
US7178114B2 Scripted, hierarchical template-based IC physical layout system Physics 12 Expired
US7257794B2 Unit-based layout system for passive IC devices Physics 12 Expired
US6920620B2 Method and system for creating test component layouts Physics 10 Expired
US8281280B2 Method and apparatus for versatile controllability and observability in prototype system Physics 8 Active
US7310786B2 IC compaction system Physics 6 Expired
US7178123B2 Schematic diagram generation and display system Physics 6 Expired
US6751565B2 Fast waveform display method and system Physics 6 Expired
US7461310B2 IC functional and delay fault testing Physics 4 Active
US7603640B2 Multilevel IC floorplanner Physics 4 Active
US8407647B2 Systems and methods for designing and making integrated circuits with consideration of wiring demand ratio Physics 3 Active
US8261223B2 Hierarchy-based analytical placement method capable of macro rotation within an integrated circuit Physics 3 Active
US7895027B2 HDL re-simulation from checkpoints Physics 3 Active
US6546526B2 Active trace debugging for hardware description languages Physics 3 Expired
US7013457B2 Prioritized debugging of an error space in program code Physics 3 Expired
US8296708B1 Method of constraint-hierarchy-driven IC placement Physics 2 Active
US7970597B2 Event-driven emulation system Physics 2 Active

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