Entrust Corporation
106Patents
80Active
106Granted
58Portfolio score
Filing activity: Oct 14, 1997 → Aug 31, 2023 · 16 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6453353B1 | Role-based navigation of information resources | Electricity | 567 | Expired |
| US6490624B1 | Session management in a stateless network system | Electricity | 290 | Expired |
| US6339423B1 | Multi-domain access control | Electricity | 256 | Expired |
| US6728884B1 | Integrating heterogeneous authentication and authorization mechanisms into an application access control system | Electricity | 150 | Expired |
| US7174563B1 | Computer network security system and method having unilateral enforceable security policy provision | Electricity | 143 | Expired |
| US6950949B1 | Method and apparatus for password entry using dynamic interface legitimacy information | Physics | 128 | Expired |
| US8082349B1 | Fraud protection using business process-based customer intent analysis | Physics | 76 | Active |
| US7010582B1 | Systems and methods providing interactions between multiple servers and an end use device | Electricity | 71 | Expired |
| US7568019B1 | Enterprise management system for normalization, integration and correlation of business measurements with application and infrastructure measurements | Physics | 68 | Active |
| US7765580B2 | Method and apparatus for providing user authentication using a back channel | Electricity | 60 | Expired |
| US6823331B1 | Concept identification system and method for use in reducing and/or representing text content of an electronic document | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7321969B2 | Secure instant messaging system using instant messaging group policy certificates | Electricity | 53 | Expired |
| US7142676B1 | Method and apparatus for secure communications using third-party key provider | Electricity | 45 | Expired |
| US8060915B2 | Method and apparatus for providing electronic message authentication | Electricity | 41 | Active |
| US7653742B1 | Defining and detecting network application business activities | Electricity | 35 | Active |
| US6975727B1 | Dynamic security credential generation system and method | Electricity | 31 | Expired |
| US7783745B1 | Defining and monitoring business rhythms associated with performance of web-enabled business processes | Physics | 31 | Active |
| US7290133B1 | Method and apparatus improving efficiency of end-user certificate validation | Electricity | 30 | Expired |
| US7155737B1 | Integrating user specified extensions into an information access system | Electricity | 28 | Expired |
| US7328457B1 | Method and apparatus for preventing interception of input data to a software application | Physics | 26 | Expired |
| US8161565B1 | Key release systems, components and methods | Electricity | 25 | Active |
| US7373512B1 | Method and apparatus for providing information security to prevent digital signature forgery | Electricity | 25 | Expired |
| US6947979B1 | Controlling use of a network resource | Electricity | 24 | Expired |
| US7594107B1 | Method and apparatus for updating web certificates | Physics | 22 | Expired |
| US6978017B2 | Method and system for providing updated encryption key pairs and digital signature key pairs in a public key system | Electricity | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.