William X. Tracy
11Patents
11h-index
8Co-inventors
61Inventor score
Filing activity: Jul 27, 1992 → Jul 27, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5979757A | Method and system for presenting item information using a portable data terminal | Physics | 942 | Expired |
| US6084528A | Intranet scanning terminal system | Physics | 323 | Expired |
| US6199753A | Method and system for presenting item information using a portable data terminal | Physics | 320 | Expired |
| US6550672B1 | Method and system for presenting item information using a portable data terminal | Physics | 158 | Expired |
| US5594228A | Self-checkout, point-of-transaction system including deactivatable electro-optically coded surveillance tags | Emerging Cross-Sectional Technologies | 89 | Expired |
| US7107221B1 | Method and system for presenting item information using a portable data terminal | Physics | 52 | Expired |
| US6102290A | Self-checkout, point-of-transaction system including deactivatable electro-optically coded surveillance tags | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7725326B1 | Method and system for presenting item information using a portable data terminal | Physics | 34 | Active |
| US5814799A | Self-checkout, point-of-transaction system including removable, electro-optically coded surveillance tags | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5979758A | Self-checkout point-of-transaction system including deactivatable electro-optically coded surveillance tags | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5975416A | Modulated laser data transfer | Physics | 24 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.