Mitel Corporation
309Patents
0Active
309Granted
43Portfolio score
Filing activity: Jul 17, 1978 → May 21, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5533110A | Human machine interface for telephone feature invocation | Emerging Cross-Sectional Technologies | 382 | Expired |
| US6230287A | Web based help desk | Physics | 221 | Expired |
| US5940834A | Automatic web page generator | Emerging Cross-Sectional Technologies | 218 | Expired |
| US6130938A | Automatic call forwarding | Electricity | 192 | Expired |
| US6018571A | System for interactive control of a computer and telephone | Electricity | 188 | Expired |
| US5602843A | Integrated wired and wireless telecommunications system | Electricity | 183 | Expired |
| US5166972A | Group emergency call system | Electricity | 142 | Expired |
| US4608686A | Two wire voice and data subscriber loop | Electricity | 133 | Expired |
| US4459434A | Home telephone exchange | Electricity | 129 | Expired |
| US5625682A | Help desk improvement | Electricity | 126 | Expired |
| US5867114A | Method and apparatus for performing data compression | Electricity | 123 | Expired |
| US5761288A | Service context sensitive features and applications | Electricity | 111 | Expired |
| US5454032A | Method of establishing communication link to one of multiple devices associated with single telephone number | Electricity | 109 | Expired |
| US6167127A | Telephone system using recorded messages to make outbound announcements | Electricity | 107 | Expired |
| US5987117A | Method of dynamic load sharing between systems with automatic telephone call distributors | Electricity | 95 | Expired |
| US6745221B1 | Dynamic resource reallocation | Electricity | 89 | Expired |
| US5270267A | Curing and passivation of spin on glasses by a plasma process wherein an external polarization field is applied to the substrate | Electricity | 89 | Expired |
| US6550024B1 | Semantic error diagnostic process for multi-agent systems | Physics | 88 | Expired |
| US5982767A | Merged telephone and data network | Electricity | 86 | Expired |
| US4604741A | Voice and data interface circuit | Electricity | 82 | Expired |
| US5680404A | Cycling error count for link maintenance | Electricity | 76 | Expired |
| US5703942A | Portable telephone user profiles using central computer | Electricity | 73 | Expired |
| US5638494A | Adaptive communication system | Electricity | 72 | Expired |
| US6839411B1 | Graphical user interface and method for displaying messages | Electricity | 72 | Expired |
| US5675636A | Adaptive method for allocating calls | Electricity | 68 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.