Patent assignee · US · COMPANY

Harmonic, Inc.

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144Patents
132Active
144Granted
57Portfolio score

Filing activity: Sep 19, 1997 → Jul 4, 2023 · 16 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6169843A Recording and playback of audio-video transport streams Electricity 258 Expired
US6490727B1 Distributed termination system for two-way hybrid networks Electricity 207 Expired
US6310915A Video transcoder with bitstream look ahead for rate control and statistical multiplexing Electricity 144 Expired
US6674796B1 Statistical multiplexed video encoding for diverse video formats Electricity 38 Expired
US6304369A Method and apparatus for eliminating noise in analog fiber links Electricity 38 Expired
US6463102B1 Digital video compressor with border processor Electricity 12 Expired
US6490298B1 Apparatus and methods of multiplexing data to a communication channel Electricity 10 Expired
US10498655B1 Dynamically adjusting load on an over-the-top (OTT) delivery network Electricity 10 Active
US6122302A Automatic compensation of CNR and OMI in a laser transmitter Electricity 10 Expired
US8266182B2 Transcoding for a distributed file system Electricity 10 Active
US6285252A Apparatus and method for broadband feedforward predistortion Electricity 9 Expired
US7242871B2 High dynamic range optical receiver Electricity 9 Expired
US8037392B1 Method for optimizing the forward error correction scheme Electricity 7 Active
US9955160B1 Video encoding using adaptive pre-filtering Electricity 6 Active
US8504571B2 Directed placement of data in a redundant data storage system Physics 6 Active
US10404585B1 Dynamically segregating sources of ingress at a node Electricity 5 Active
US7945172B2 Dispersion compensation circuitry and system for analog video transmission with direct modulated laser Electricity 5 Active
US7342884B2 Method and apparatus for one directional communications in bidirectional communications channel Electricity 5 Expired
US10802856B1 Virtual cable hub Electricity 4 Active
US7876355B2 Video abnormality detection Electricity 4 Active
US7941455B2 Notification for a distributed file system Physics 4 Active
US7979885B2 Real time bit rate switching for internet protocol television Electricity 4 Active
US10020962B2 Virtual converged cable access platform (CCAP) core Emerging Cross-Sectional Technologies 4 Active
US6121857A AC power passing RF choke with a 15 gauge wire Electricity 4 Expired
US10599201B1 Detecting imminent failure in a power supply Electricity 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.