Robert F. Walker
22Patents
8h-index
29Co-inventors
75Inventor score
Filing activity: Dec 17, 1982 → Aug 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7302651B2 | Technology migration for integrated circuits with radical design restrictions | Physics | 203 | Expired |
| US7484197B2 | Minimum layout perturbation-based artwork legalization with grid constraints for hierarchical designs | Physics | 199 | Active |
| US7503020B2 | IC layout optimization to improve yield | Physics | 107 | Active |
| US4516266A | Entity control for raster displays | Physics | 11 | Expired |
| US7363601B2 | Integrated circuit selective scaling | Physics | 10 | Expired |
| US7062729B2 | Method and system for obtaining a feasible integer solution from a half-integer solution in hierarchical circuit layout optimization | Physics | 9 | Expired |
| US7260790B2 | Integrated circuit yield enhancement using Voronoi diagrams | Physics | 9 | Expired |
| US7257783B2 | Technology migration for integrated circuits with radical design restrictions | Physics | 8 | Expired |
| US7454721B2 | Method, apparatus and computer program product for optimizing an integrated circuit layout | Physics | 8 | Expired |
| US7882463B2 | Integrated circuit selective scaling | Physics | 7 | Active |
| US7761821B2 | Technology migration for integrated circuits with radical design restrictions | Physics | 6 | Active |
| US7895562B2 | Adaptive weighting method for layout optimization with multiple priorities | Physics | 5 | Active |
| US8464189B2 | Technology migration for integrated circuits with radical design restrictions | Physics | 5 | Active |
| US7117456B2 | Circuit area minimization using scaling | Physics | 5 | Expired |
| US7610565B2 | Technology migration for integrated circuits with radical design restrictions | Physics | 4 | Active |
| US7735042B2 | Context aware sub-circuit layout modification | Physics | 4 | Active |
| US7120887B2 | Cloned and original circuit shape merging | Physics | 4 | Expired |
| US7568173B2 | Independent migration of hierarchical designs with methods of finding and fixing opens during migration | Physics | 3 | Active |
| US7818694B2 | IC layout optimization to improve yield | Physics | 2 | Active |
| US7865848B2 | Layout optimization using parameterized cells | Physics | 2 | Active |
| US11567945B1 | Customized digital content generation systems and methods | Physics | 0 | Active |
| US7752589B2 | Method, apparatus, and computer program product for displaying and modifying the critical area of an integrated circuit design | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.