William J. Ryan
5Patents
5h-index
5Co-inventors
56Inventor score
Filing activity: Nov 25, 1974 → Aug 8, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3970819A | Backside laser dicing system | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5548106A | Methods and apparatus for authenticating data storage articles | Physics | 74 | Expired |
| US5418855A | Authentication system and method | Physics | 71 | Expired |
| US5574790A | Fluorescence authentication reader with coaxial optics | Physics | 61 | Expired |
| US5666417A | Fluorescence authentication reader with coaxial optics | Physics | 58 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.