Inventor · Austin, TX, US

Stephen T. Quay

36Patents
10h-index
32Co-inventors
75Inventor score

Filing activity: Mar 31, 1997 → Jun 5, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6117182A Optimum buffer placement for noise avoidance Physics 213 Expired
US6347393B1 Method and apparatus for performing buffer insertion with accurate gate and interconnect delay computation Physics 212 Expired
US6401234B1 Method and system for re-routing interconnects within an integrated circuit design having blockages and bays Physics 95 Expired
US7065730B2 Porosity aware buffered steiner tree construction Physics 89 Expired
US6360350B1 Method and system for performing circuit analysis on an integrated-circuit design having design data available in different forms Physics 26 Expired
US6044209A Method and system for segmenting wires prior to buffer insertion Physics 19 Expired
US7127696B2 Method and apparatus for generating steiner trees using simultaneous blockage avoidance, delay optimization and design density management Physics 17 Expired
US6591411B2 Apparatus and method for determining buffered steiner trees for complex circuits Emerging Cross-Sectional Technologies 16 Expired
US7299442B2 Probabilistic congestion prediction with partial blockages Physics 16 Expired
US6230302A Method and system for performing timing analysis on an integrated circuit design Physics 13 Expired
US7895557B2 Concurrent buffering and layer assignment in integrated circuit layout Physics 10 Active
US6560752B1 Apparatus and method for buffer library selection for use in buffer insertion Physics 9 Expired
US8365120B2 Resolving global coupling timing and slew violations for buffer-dominated designs Physics 9 Active
US8881089B1 Physical synthesis optimization with fast metric check Physics 8 Active
US7137081B2 Method and apparatus for performing density-biased buffer insertion in an integrated circuit design Physics 8 Expired
US6898774B2 Buffer insertion with adaptive blockage avoidance Physics 7 Expired
US7484199B2 Buffer insertion to reduce wirelength in VLSI circuits Physics 6 Active
US7448007B2 Slew constrained minimum cost buffering Physics 5 Active
US7676780B2 Techniques for super fast buffer insertion Physics 5 Active
US9092591B2 Automatic generation of wire tag lists for a metal stack Physics 5 Active
US8640075B2 Early design cycle optimzation Physics 4 Active
US10831971B1 Net layer promotion with swap capability in electronic design Physics 4 Active
US6915496B2 Apparatus and method for incorporating driver sizing into buffer insertion using a delay penalty estimation technique Physics 4 Expired
US8769468B1 Automatic generation of wire tag lists for a metal stack Physics 4 Active
US5991521A Method and system of checking for open circuit connections within an integrated-circuit design represented by a hierarchical data structure Physics 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.