Robert Walker
21Patents
10h-index
18Co-inventors
72Inventor score
Filing activity: Dec 29, 1995 → Aug 10, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6539536B1 | Electronic design automation system and methods utilizing groups of multiple cells having loop-back connections for modeling port electrical characteristics | Physics | 118 | Expired |
| US5903466A | Constraint driven insertion of scan logic for implementing design for test within an integrated circuit design | Physics | 97 | Expired |
| US6106568A | Hierarchical scan architecture for design for test applications | Physics | 82 | Expired |
| US5696771A | Method and apparatus for performing partial unscan and near full scan within design for test applications | Physics | 72 | Expired |
| US6058252A | System and method for generating effective layout constraints for a circuit design or the like | Physics | 63 | Expired |
| US5703789A | Test ready compiler for design for test synthesis | Physics | 61 | Expired |
| US5949692A | Hierarchical scan architecture for design for test applications | Physics | 49 | Expired |
| US5831868A | Test ready compiler for design for test synthesis | Physics | 43 | Expired |
| US6067650A | Method and apparatus for performing partial unscan and near full scan within design for test applications | Physics | 38 | Expired |
| US5911493A | Illuminated umbrella | Emerging Cross-Sectional Technologies | 24 | Expired |
| US10162918B1 | Integrated circuit retiming with selective modeling of flip-flop secondary signals | Physics | 8 | Active |
| US8266570B2 | Density-based area recovery in electronic design automation | Physics | 4 | Active |
| US8527927B2 | Zone-based area recovery in electronic design automation | Physics | 3 | Active |
| US8621408B2 | Progressive circuit evaluation for circuit optimization | Physics | 3 | Active |
| US8578321B2 | Delta-slack propagation for circuit optimization | Physics | 2 | Active |
| US8418116B2 | Zone-based optimization framework for performing timing and design rule optimization | Physics | 1 | Active |
| US10339241B1 | Methods for incremental circuit design legalization during physical synthesis | Physics | 1 | Active |
| US10296701B1 | Retiming with fixed power-up states | Physics | 1 | Active |
| US10936772B1 | Methods for incremental circuit physical synthesis | Physics | 1 | Active |
| US9189583B2 | Look-up based buffer tree synthesis | Physics | 0 | Active |
| US10255404B1 | Retiming with programmable power-up states | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.