Atalla Technovations
13Patents
0Active
13Granted
34Portfolio score
Filing activity: Jul 19, 1974 → Nov 17, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3938091A | Personal verification system | Emerging Cross-Sectional Technologies | 188 | Expired |
| US4304990A | Multilevel security apparatus and method | Physics | 153 | Expired |
| US4268715A | Method and apparatus for securing data transmissions | Electricity | 85 | Expired |
| US4288659A | Method and means for securing the distribution of encoding keys | Electricity | 81 | Expired |
| US4281215A | Method and apparatus for securing data transmissions | Electricity | 64 | Expired |
| US4315101A | Method and apparatus for securing data transmissions | Electricity | 62 | Expired |
| US4328414A | Multilevel security apparatus and method | Physics | 56 | Expired |
| US4357529A | Multilevel security apparatus and method | Physics | 47 | Expired |
| US4283599A | Method and apparatus for securing data transmissions | Electricity | 43 | Expired |
| US4138057A | Card, system and method for securing user identification data | Physics | 37 | Expired |
| US4198619A | Programmable security system and method | Physics | 30 | Expired |
| US4138058A | Card, system and method for securing personal identification data | Physics | 27 | Expired |
| US4140272A | Optical card, system and method for securing personal identification data | Physics | 26 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.