Patent assignee · US · COMPANY

Springsoft USA, Inc.

22Patents
21Active
22Granted
44Portfolio score

Filing activity: Jul 12, 2005 → Jan 13, 2012 · 20 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7478346B2 Debugging system for gate level IC designs Physics 22 Active
US7984410B2 Hierarchy-based analytical placement method for an integrated circuit Physics 14 Active
US8176453B2 Power-aware debugging Physics 14 Active
US7707536B2 V-shaped multilevel full-chip gridless routing Physics 13 Active
US7873928B2 Hierarchical analog IC placement subject to symmetry, matching and proximity constraints Physics 10 Active
US8015522B2 System for implementing post-silicon IC design changes Physics 9 Active
US8281280B2 Method and apparatus for versatile controllability and observability in prototype system Physics 8 Active
US7739630B1 Optimizing a circuit design Physics 8 Active
US8086982B2 Methods and systems for reducing clock skew in a gated clock tree Physics 8 Active
US7571086B2 Incremental circuit re-simulation system Physics 4 Active
US7574681B2 Method and system for evaluating computer program tests by means of mutation analysis Physics 4 Expired
US8311793B2 Method for evaluating a test program quality Physics 4 Active
US8261223B2 Hierarchy-based analytical placement method capable of macro rotation within an integrated circuit Physics 3 Active
US8407647B2 Systems and methods for designing and making integrated circuits with consideration of wiring demand ratio Physics 3 Active
US8296708B1 Method of constraint-hierarchy-driven IC placement Physics 2 Active
US7779379B2 Template-based gateway model routing system Physics 2 Active
US8359559B2 Methods and systems for evaluating checker quality of a verification environment Physics 2 Active
US7917881B1 Timing of a circuit design Physics 1 Active
US8010919B2 Method for evaluating the quality of a computer program Physics 1 Active
US7877718B2 Analog IC placement using symmetry-islands Physics 1 Active
US8255853B2 Circuit emulation systems and methods Physics 1 Active
US8359560B2 Methods and systems for debugging equivalent designs described at different design levels Physics 0 Active

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