Inventor · Hopkinton, MA, US

Brian Branscomb

22Patents
14h-index
27Co-inventors
81Inventor score

Filing activity: Aug 28, 1997 → Mar 5, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7240364B1 Network device identity authentication Electricity 492 Expired
US6078595A Timing synchronization and switchover in a network switch Electricity 99 Expired
US7263597B2 Network device including dedicated resources control plane Electricity 97 Expired
US6332198A Network device for supporting multiple redundancy schemes Electricity 89 Expired
US6876652B1 Network device with a distributed switch fabric timing system Electricity 77 Expired
US6639910B1 Functional separation of internal and external controls in network devices Electricity 61 Expired
US6760339B1 Multi-layer network device in one telecommunications rack Electricity 56 Expired
US6658579B1 Network device with local timing systems for automatic selection between redundant, synchronous central timing systems Electricity 37 Expired
US7054272B1 Upper layer network device including a physical layer test port Electricity 28 Expired
US7039046B1 Network device including central and distributed switch fabric subsystems Electricity 28 Expired
US6868092B1 Network device with embedded timing synchronization Electricity 27 Expired
US9426762B2 Timing synchronization for networks with radio links Electricity 21 Active
US7023845B1 Network device including multiple mid-planes Electricity 19 Expired
US6930890B1 Network device including reverse orientated modules Electricity 19 Expired
US6667959B1 Switch fabric testing Electricity 10 Expired
US8571014B2 Distributed packet-based timestamp engine Electricity 9 Active
US9282024B2 Physical layer processing of timestamps and MAC security Electricity 3 Active
US8681772B2 Timing synchronization for networks with radio links Electricity 2 Active
US11271712B2 Daisy-chained synchronous ethernet clock recovery Electricity 1 Active
US9094375B2 WAN transport of frames with MAC security Electricity 1 Active
US10887211B2 Indirect packet classification timestamping system and method Electricity 0 Active
US11677727B2 Low-latency MACsec authentication Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.