RSA Security LLC
66Patents
28Active
66Granted
47Portfolio score
Filing activity: Sep 2, 1994 → Nov 22, 2021 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6460141B1 | Security and access management system for web-enabled and non-web-enabled applications and content on a computer network | Electricity | 835 | Expired |
| US6085320A | Client/server protocol for proving authenticity | Electricity | 643 | Expired |
| US7660902B2 | Dynamic file access control and management | Electricity | 505 | Expired |
| US6189098A | Client/server protocol for proving authenticity | Electricity | 483 | Expired |
| US7100049B2 | Method and apparatus for authentication of users and web sites | Electricity | 421 | Expired |
| US6985583B1 | System and method for authentication seed distribution | Electricity | 410 | Expired |
| US7516492B1 | Inferring document and content sensitivity from public account accessibility | Electricity | 389 | Active |
| US7502933B2 | Identity authentication system and method | Electricity | 365 | Expired |
| US7363494B2 | Method and apparatus for performing enhanced time-based authentication | Electricity | 360 | Expired |
| US6130621A | Method and apparatus for inhibiting unauthorized access to or utilization of a protected device | Emerging Cross-Sectional Technologies | 349 | Expired |
| US6157920A | Executable digital cash for electronic commerce | Physics | 348 | Expired |
| US7219368B2 | Robust visual passwords | Electricity | 317 | Expired |
| US6240184A | Password synchronization | Physics | 310 | Expired |
| US7346775B2 | System and method for authentication of users and web sites | Electricity | 300 | Active |
| US6269163A | Enhanced block ciphers with data-dependent rotations | Electricity | 298 | Expired |
| US6076163A | Secure user identification based on constrained polynomials | Electricity | 294 | Expired |
| US6411715B1 | Methods and apparatus for verifying the cryptographic security of a selected private and public key pair without knowing the private key | Electricity | 293 | Expired |
| US6970070B2 | Method and apparatus for selective blocking of radio frequency identification devices | Physics | 290 | Expired |
| US7404087B2 | System and method for providing improved claimant authentication | Physics | 278 | Expired |
| US7111172B1 | System and methods for maintaining and distributing personal security devices | Electricity | 277 | Expired |
| US7197639B1 | Cryptographic countermeasures against connection depletion attacks | Electricity | 274 | Expired |
| US7562222B2 | System and method for authenticating entities to users | Electricity | 273 | Expired |
| US6446052B1 | Digital coin tracing using trustee tokens | Physics | 273 | Expired |
| US7502467B2 | System and method for authentication seed distribution | Electricity | 270 | Expired |
| US7562221B2 | Authentication method and apparatus utilizing proof-of-authentication module | Electricity | 264 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.