3Com Technologies
43Patents
0Active
43Granted
35Portfolio score
Filing activity: Nov 7, 1990 → Oct 13, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6151323A | Method of supporting unknown addresses in an interface for data transmission in an asynchronous transfer mode | Electricity | 1,008 | Expired |
| US5987507A | Multi-port communication network device including common buffer memory with threshold control of port packet counters | Electricity | 154 | Expired |
| US6661787B1 | Integrated data table in a network | Electricity | 118 | Expired |
| US6470025B1 | System for providing fair access for VLANs to a shared transmission medium | Electricity | 84 | Expired |
| US5161192A | Repeaters for secure local area networks | Electricity | 72 | Expired |
| US6151627A | Monitoring of a communication link utilizing history-based compression algorithms | Electricity | 60 | Expired |
| US6667985B1 | Communication switch including input bandwidth throttling to reduce output congestion | Electricity | 47 | Expired |
| US6975627B1 | Modification of tag fields in Ethernet data packets | Electricity | 46 | Expired |
| US6370190B1 | Data receiver including hybrid decision feedback equalizer | Electricity | 44 | Expired |
| US6442162B1 | Credit-based scheme for high performance communication between devices in a packet-based communication system | Electricity | 43 | Expired |
| US6538994B1 | Monitoring of connection between an ethernet hub and an end station | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6425015B1 | Stacked communication devices and method for port mirroring using modified protocol | Electricity | 40 | Expired |
| US6236659A | Network configuration | Electricity | 38 | Expired |
| US6473400B1 | Computation of traffic flow by scaling sample packet data | Electricity | 37 | Expired |
| US6430192B1 | Method for transmitting multimedia packet data using a contention-resolution process | Electricity | 33 | Expired |
| US6580712B1 | System for controlling look-ups in a data table in a network switch | Electricity | 32 | Expired |
| US6172606A | Network security | Physics | 30 | Expired |
| US6330245A | Hub system with ring arbitration | Electricity | 30 | Expired |
| US6064305A | Network security | Electricity | 29 | Expired |
| US6389119B1 | Dual-circuit telephony | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6922410B1 | Organization of databases in network switches for packet-based data communications networks | Electricity | 22 | Expired |
| US6163541A | Method for selecting virtual channels based on address priority in an asynchronous transfer mode device | Electricity | 21 | Expired |
| US6504843B1 | System and method for dynamically mapping a high speed link to a multiplicity of low speed trunked links | Electricity | 17 | Expired |
| US6163545A | System and method for data transfer across multiple clock domains | Electricity | 17 | Expired |
| US6285674A | Hybrid distributed broadcast and unknown server for emulated local area networks | Electricity | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.