Cisco Systems Inc.
🏢 View company profile →134Patents
27Active
134Granted
47Portfolio score
Filing activity: Jan 29, 1988 → Apr 30, 2021 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5473599A | Standby router protocol | Physics | 636 | Expired |
| US6144711A | Spatio-temporal processing for communication | Electricity | 577 | Expired |
| US5742604A | Interswitch link mechanism for connecting high-performance network switches | Electricity | 435 | Expired |
| US5088032A | Method and apparatus for routing communications among computer networks | Electricity | 387 | Expired |
| US5740171A | Address translation mechanism for a high-performance network switch | Electricity | 379 | Expired |
| US5617421A | Extended domain computer network using standard links | Electricity | 370 | Expired |
| US5519704A | Reliable transport protocol for internetwork routing | Electricity | 366 | Expired |
| US6452981B1 | Spatio-temporal processing for interference handling | Electricity | 318 | Expired |
| US5561669A | Computer network switching system with expandable number of ports | Electricity | 265 | Expired |
| US5959968A | Port aggregation protocol | Electricity | 264 | Expired |
| US5632021A | Computer system with cascaded peripheral component interconnect (PCI) buses | Physics | 250 | Expired |
| US6132306A | Cellular communication system with dedicated repeater channels | Electricity | 228 | Expired |
| US5854901A | Method and apparatus for serverless internet protocol address discovery using source address of broadcast or unicast packet | Electricity | 228 | Expired |
| US5872783A | Arrangement for rendering forwarding decisions for packets transferred among network switches | Electricity | 224 | Expired |
| US6243667A | Network flow switching and flow data export | Electricity | 222 | Expired |
| US5898687A | Arbitration mechanism for a multicast logic engine of a switching fabric circuit | Electricity | 219 | Expired |
| US5666353A | Frame based traffic policing for a digital switch | Electricity | 207 | Expired |
| US6181711A | System and method for transporting a compressed video and data bit stream over a communication channel | Electricity | 200 | Expired |
| US6091725A | Method for traffic management, traffic prioritization, access control, and packet forwarding in a datagram computer network | Electricity | 194 | Expired |
| US6449647B1 | Content-aware switching of network packets | Electricity | 192 | Expired |
| US5678006A | Network switch having network management agent functions distributed among multiple trunk and service modules | Electricity | 184 | Expired |
| US5793987A | Hot plug port adapter with separate PCI local bus and auxiliary bus | Physics | 168 | Expired |
| US6729929B1 | Method and apparatus for controlling wireless networks | Electricity | 167 | Expired |
| US6377631B1 | Transmitter incorporating spatio-temporal processing | Electricity | 164 | Expired |
| US6611624B1 | System and method for frame accurate splicing of compressed bitstreams | Electricity | 158 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.