Robert L. Powers
6Patents
6h-index
9Co-inventors
56Inventor score
Filing activity: Feb 24, 1975 → May 10, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3962539A | Product block cipher system for data security | Electricity | 283 | Expired |
| US3958081A | Block cipher system for data security | Electricity | 232 | Expired |
| US4238853A | Cryptographic communication security for single domain networks | Electricity | 181 | Expired |
| US4386234A | Cryptographic communication and file security using terminals | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5631972A | Hyperladder fingerprint matcher | Physics | 33 | Expired |
| US5878158A | Ridge-valley minutia associator for fingerprints | Physics | 32 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.