Gary S. Keyes
10Patents
9h-index
13Co-inventors
69Inventor score
Filing activity: Jan 28, 1981 → Jun 9, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4559557A | Region-of-interest digital subtraction angiography | Human Necessities | 52 | Expired |
| US4355331A | X-ray image subtracting system | Electricity | 45 | Expired |
| US4482918A | Method and apparatus for X-ray image subtraction | Human Necessities | 43 | Expired |
| US4780897A | Dual energy imaging with kinestatic charge detector | Human Necessities | 36 | Expired |
| US4551800A | Integrated hybrid image remasking in a subtraction angiography method | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4393402A | Subtraction fluoroscopy method and apparatus | Electricity | 24 | Expired |
| US6280118A | In situ reactive gate | Chemistry; Metallurgy | 17 | Expired |
| US4399457A | X-Ray image digital subtraction system | Electricity | 12 | Expired |
| US6116816A | In situ reactive gate for groundwater remediation | Chemistry; Metallurgy | 10 | Expired |
| US4947416A | Scanning equalization radiography with stationary equalization detector | Human Necessities | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.