MCDATA Corporation
41Patents
7Active
41Granted
41Portfolio score
Filing activity: Aug 10, 1995 → Oct 21, 2009 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6532212B1 | Trunking inter-switch links | Emerging Cross-Sectional Technologies | 147 | Expired |
| US5835496A | Method and apparatus for data alignment | Electricity | 129 | Expired |
| US5894481A | Fiber channel switch employing distributed queuing | Electricity | 129 | Expired |
| US6138185A | High performance crossbar switch | Physics | 93 | Expired |
| US5828475A | Bypass switching and messaging mechanism for providing intermix data transfer for a fiber optic switch using a bypass bus and buffer | Electricity | 93 | Expired |
| US6381642B1 | In-band method and apparatus for reporting operational statistics relative to the ports of a fibre channel switch | Electricity | 89 | Expired |
| US6031842A | Low latency shared memory switch architecture | Electricity | 86 | Expired |
| US5748612A | Method and apparatus for implementing virtual circuits in a fibre channel system | Electricity | 83 | Expired |
| US6233236A | Method and apparatus for measuring traffic within a switch | Electricity | 80 | Expired |
| US5872822A | Method and apparatus for memory sequencing | Electricity | 79 | Expired |
| US6975963B2 | Method and system for storing and reporting network performance metrics using histograms | Emerging Cross-Sectional Technologies | 72 | Expired |
| US6819654B2 | Trunking inter-switch links | Emerging Cross-Sectional Technologies | 72 | Expired |
| US6240096A | Fibre channel switch employing distributed queuing | Electricity | 68 | Expired |
| US6347334B1 | Self-description extended link service for networks | Electricity | 59 | Expired |
| US7609654B2 | Method of evaluating network connectivity between network resources | Electricity | 58 | Active |
| US6014715A | Method and apparatus for assigning port addresses | Electricity | 53 | Expired |
| US6148004A | Method and apparatus for establishment of dynamic ESCON connections from fibre channel frames | Electricity | 52 | Expired |
| US7133416B1 | Converting data signals in a multiple communication protocol system area network | Electricity | 46 | Expired |
| US6608819B1 | Method for scoring queued frames for selective transmission through a switch | Electricity | 40 | Expired |
| US6192048A | Method and apparatus for implementing hunt group support for a crosspoint controller | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7606968B2 | Multi-level content addressable memory | Physics | 35 | Active |
| US6721862B2 | Method and circuit for replicating data in a fiber channel network, or the like | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7382736B2 | Method for scoring queued frames for selective transmission through a switch | Electricity | 23 | Expired |
| US6941252B2 | Striping data frames across parallel fibre channel links | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6061358A | Data communication system utilizing a scalable, non-blocking, high bandwidth central memory controller and method | Electricity | 22 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.