Topic leaderboard
Multiplex communication
Ranked by the PatentIndex Score — a 1–99 percentile within H04J · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest H04J patents became public in the last 2 years — the current frontier
- 199Amr Abdelmonem138 patents · 2,076 citations
- 296Mikhail Galeev68 patents · 1,375 citations
- 392Dariusz Seskiewicz30 patents · 654 citations
- 488Sean S. Cordone37 patents · 855 citations
- 583Michael Darrell Andrew Ericson14 patents · 595 citations
- 679Shashidhar Gandham50 patents · 338 citations
- 775Ali Parandehgheibi21 patents · 233 citations
- 871Krishna Komoravolu33 patents · 395 citations
- 967Jorge Seoane34 patents · 347 citations
- 1063Khawar Deen32 patents · 252 citations
- 1158Ashutosh Kulshreshtha17 patents · 249 citations
- 1254Abhishek Ranjan Singh39 patents · 225 citations
- 1350Jackson Ngoc Ki Pang23 patents · 190 citations
- 1446Gordon Reichard, Jr.27 patents · 269 citations
- 1542Solyman Ashrafi42 patents · 865 citations
- 1638Shih-Chun Chang26 patents · 114 citations
- 1733Johan Sköld10 patents · 450 citations
- 1829Florian Hartwich26 patents · 545 citations
- 1925Hai Trong Vu19 patents · 99 citations
- 2021Ronny Hadani14 patents · 484 citations
- 2117Gunnar Bark11 patents · 371 citations
- 2213Thomas Walldeen11 patents · 342 citations
- 238Martin Hessler19 patents · 344 citations
- 244Eleftherios Karipidis16 patents · 343 citations
- 251Eliane Semaan16 patents · 343 citations
Active· last 5 yrs
Sustained H04J output across the last 5 years
- 199Amr Abdelmonem138 patents · 2,076 citations
- 296Mikhail Galeev68 patents · 1,375 citations
- 392Dariusz Seskiewicz30 patents · 654 citations
- 488Sean S. Cordone37 patents · 855 citations
- 583Howard Wong11 patents · 417 citations
- 679Michael Darrell Andrew Ericson14 patents · 595 citations
- 775Omid Madani15 patents · 333 citations
- 871Vimalkumar Jeyakumar18 patents · 279 citations
- 967Ellen Christine Scheib14 patents · 249 citations
- 1063Kemin Li54 patents · 943 citations
- 1158Shashidhar Gandham50 patents · 338 citations
- 1254Ali Parandehgheibi21 patents · 233 citations
- 1350Krishna Komoravolu33 patents · 395 citations
- 1446Jorge Seoane34 patents · 347 citations
- 1542Khawar Deen32 patents · 252 citations
- 1638Ashutosh Kulshreshtha17 patents · 249 citations
- 1733Abhishek Ranjan Singh39 patents · 225 citations
- 1829Rohit Chandra Prasad20 patents · 177 citations
- 1925Jackson Ngoc Ki Pang23 patents · 190 citations
- 2021Gordon Reichard, Jr.27 patents · 269 citations
- 2117Hi-Chan Moon16 patents · 986 citations
- 2213Solyman Ashrafi42 patents · 865 citations
- 238Ting-Kuang Chiang33 patents · 635 citations
- 244Aaron Gorius24 patents · 236 citations
- 251Michael T. Crocker22 patents · 213 citations
All-time canon
Career PatentIndex Score in H04J
- 199Jeffrey Brede42 patents · 2,281 citations
- 296Michael J. Fort23 patents · 1,383 citations
- 392Klein S. Gilhousen19 patents · 6,704 citations
- 488Mark J. Dapper17 patents · 1,390 citations
- 583Lindsay A. Weaver, Jr.22 patents · 6,230 citations
- 679Graham M. Avis18 patents · 2,906 citations
- 775Mark J. Handzel15 patents · 2,717 citations
- 871Eric Paneth15 patents · 2,553 citations
- 967Andrew J. Viterbi10 patents · 4,376 citations
- 1063Irwin M. Jacobs10 patents · 4,376 citations
- 1158Amr Abdelmonem138 patents · 2,076 citations
- 1254Stephen A. Caldara35 patents · 2,811 citations
- 1350Stephen A. Hauser33 patents · 2,727 citations
- 1446Thomas A. Manning33 patents · 2,727 citations
- 1542Robert J. Kirscht14 patents · 828 citations
- 1638Mikhail Galeev68 patents · 1,375 citations
- 1733Terrance J. Hill12 patents · 801 citations
- 1829Avi Silverberg12 patents · 1,127 citations
- 1925Eduardo J. Moura11 patents · 1,907 citations
- 2021Dariusz Seskiewicz30 patents · 654 citations
- 2117Anthony J. Wasilewski20 patents · 4,360 citations
- 2213Robert B. Mcclure6 patents · 887 citations
- 238Sean S. Cordone37 patents · 855 citations
- 244Joseph Michael Christie62 patents · 2,525 citations
- 251Alexander Jacques11 patents · 1,295 citations
Rising· last 2 yrs
The top-scoring H04J patents made public in the last 2 years
- 199US11888978B1✦ AISystems and methods for measurement-device-independent quantum key distribution19 cites · 202490% earned
- 296US11974217B1✦ AISystems/methods of frequency variability responsive to a size of data to be transmitted11 cites · 202459% earned
- 392US11979350B1✦ AIWireless mesh network14 cites · 202483% earned
- 488US12316400B2Method and system for mitigating interference by displacing antenna structures6 cites · 202458% earned
- 583US12155742B1Systems and methods for mitigating time synchronization latency in computer networks6 cites · 202485% earned
- 679US12177097B2Policy utilization analysis6 cites · 202447% earned
- 775US12259575B2Clock signal distribution using photonic fabric4 cites · 202464% earned
- 871US12219374B1Coordinated multiple access method for multi-cell ground-to-air data transmission4 cites · 202582% earned
- 967US11899491B1System and method for timing synchronization6 cites · 202485% earned
- 1063US12107672B1Protocol data bit parsing method and device for AK protocol wheel speed sensor3 cites · 202480% earned
- 1158US11863298B1Method for identifying and diagnosing failures in pairwise time synchronization and freque6 cites · 202474% earned
- 1254US12149587B2Synchronizing nodes in a network2 cites · 202458% earned
- 1350US12224860B1Linear coding in decentralized networks4 cites · 202575% earned
- 1446US12335030B2Systems and methods for large phase correction in R-PHY network architectures2 cites · 202467% earned
- 1542US12418352B1Multi-room multi-channel audio synchronization method, apparatus, and device and storage m1 cites · 202567% earned
- 1638US12373381B1USB hub internal data transmission method and USB hub chip1 cites · 202567% earned
- 1733US11924317B1Method and system for time-aligned media playback4 cites · 202475% earned
- 1829US12038604B2Photonic communication platform2 cites · 202447% earned
- 1925US12185258B2Cell timing in a wireless device and base station2 cites · 202450% earned
- 2021US12107668B1System and methods for time and frequency division passive optical network2 cites · 202458% earned
- 2117US12185339B2Information sending method and device and information receiving method and device2 cites · 202461% earned
- 2213US12431996B2Techniques to facilitate multiplexing uplink signals of a repeater2 cites · 202476% earned
- 238US12212644B2Vehicle control system, control method, electronic device, and recording medium2 cites · 202476% earned
- 244US11996874B1System and method of determining interfering signal parameters2 cites · 202476% earned
- 251US12052092B1Systems and methods for high availability node pairing without incurring connection drops2 cites · 202476% earned
Active· last 5 yrs
The top-scoring H04J patents of the last 5 years
- 199US11206549B1✦ AIWireless mesh network175 cites · 202194% earned
- 296US11271699B1✦ AIWireless mesh network111 cites · 202290% earned
- 392US11659421B2✦ AITensor decomposition-based big data processing system and processing method for spectrum m71 cites · 202193% earned
- 488US11165509B1Method for co-packaging light engine chiplets on switch substrate57 cites · 202188% earned
- 583US11075786B1Multicarrier sub-layer for direct sequence channel and multiple-access coding56 cites · 202179% earned
- 679US11336376B1Flexible switch solution based on co-packaged optics41 cites · 202292% earned
- 775US11265040B2Method and system for optimizing transceiver spectrum sharing48 cites · 202192% earned
- 871US11153670B1Communication system employing optical frame templates36 cites · 202182% earned
- 967US10917097B1Circuits and methods for transferring two differentially encoded client clock domains over34 cites · 202191% earned
- 1063US11705940B2Method and system for polarization adjusting of orthogonally-polarized element pairs28 cites · 202271% earned
- 1158US11509397B2Balanced photonic architectures for matrix computations27 cites · 202291% earned
- 1254US11088816B1Secondary phase compensation assist for PLL IO delay aligning sync signal to system clock 30 cites · 202183% earned
- 1350US11063738B1Time synchronization using a weighted regression analysis29 cites · 202191% earned
- 1446US11088819B1Secondary phase compensation assist for PLL IO delay28 cites · 202183% earned
- 1542US10911211B1Frequency and gain calibration for time synchronization in a network31 cites · 202179% earned
- 1638US11700190B2Technologies for annotating process and user information for network flows22 cites · 202259% earned
- 1733US11849016B1Time synchronization using model correction21 cites · 202390% earned
- 1829US11012187B1Error correction in optical networks with probabilistic shaping and symbol rate optimizati25 cites · 202190% earned
- 1925US10935726B1Integrated broadband optical couplers with robustness to manufacturing variation29 cites · 202186% earned
- 2021US11632175B2External laser enabled co-packaged optics architectures20 cites · 202279% earned
- 2117US11197075B1Clock synchronization in a heterogeneous system28 cites · 202183% earned
- 2213US11178578B2Method and apparatus for device-to-device sidelink resource selection in a wireless commun19 cites · 202185% earned
- 238US11888978B1Systems and methods for measurement-device-independent quantum key distribution19 cites · 202490% earned
- 244US11974217B1Systems/methods of frequency variability responsive to a size of data to be transmitted11 cites · 202459% earned
- 251US11042025B2Optical data communication using micro-electro-mechanical system (MEMS) micro-mirror array22 cites · 202182% earned
All-time canon
The defining H04J patents of the whole record
- 199US5103459A✦ AISystem and method for generating signal waveforms in a cdma cellular telephone system2,715 cites · 199289% earned
- 296US8234395B2✦ AISystem and method for synchronizing operations among a plurality of independently clocked 2,182 cites · 200778% earned
- 392US6631410B1✦ AIMultimedia wired/wireless content synchronization system and method1,730 cites · 200393% earned
- 488US5923902ASystem for synchronizing a plurality of nodes to concurrently generate output signals by a1,688 cites · 199996% earned
- 583US6229856B1Method and apparatus for demodulating signals in a pulse oximetry system1,237 cites · 200186% earned
- 679US7003339B2Method and apparatus for demodulating signals in a pulse oximetry system1,110 cites · 200486% earned
- 775US5699361AMultimedia channel formulation mechanism1,066 cites · 199795% earned
- 871US6643530B2Method and apparatus for demodulating signals in a pulse oximetry system1,063 cites · 200186% earned
- 967US5282222AMethod and apparatus for multiple access between transceivers in wireless communications u1,030 cites · 199495% earned
- 1063US5481542AInteractive information services control system951 cites · 199695% earned
- 1158US5610910AAccess to telecommunications networks in multi-service environment947 cites · 199793% earned
- 1254US7221971B2Method and apparatus for demodulating signals in a pulse oximetry system881 cites · 200685% earned
- 1350US5991308ALower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cab844 cites · 199995% earned
- 1446US5870474AMethod and apparatus for providing conditional access in connection-oriented, interactive 808 cites · 199992% earned
- 1542US6374112B1Flexible radio access and resource allocation in a universal mobile telephone system724 cites · 200295% earned
- 1638US5933421AMethod for frequency division duplex communications721 cites · 199986% earned
- 1733US6108782ADistributed remote monitoring (dRMON) for networks719 cites · 200095% earned
- 1829US6356555B1Apparatus and method for digital data transmission using orthogonal codes697 cites · 200295% earned
- 1925US8185180B2Method and apparatus for demodulating signals in a pulse oximetry system694 cites · 200885% earned
- 2021US8150487B2Method and apparatus for demodulating signals in a pulse oximetry system685 cites · 200785% earned
- 2117US5414796AVariable rate vocoder654 cites · 199590% earned
- 2213US5886732ASet-top electronics and network interface unit arrangement653 cites · 199990% earned
- 238US4763317ADigital communication network architecture for providing universal information services642 cites · 198895% earned
- 244US7043271B1Radio communication system610 cites · 200692% earned
- 251US8718737B2Method and apparatus for demodulating signals in a pulse oximetry system603 cites · 201285% earned
Rising· last 2 yrs
Assignees whose newest H04J patents became public in the last 2 years — the current frontier
- 199QUALCOMM INC1,180 patents · 19,332 citations
- 296INTERDIGITAL TECH CORP281 patents · 10,110 citations
- 392SONOS INC81 patents · 1,229 citations
- 488AT & T IP I LP175 patents · 2,515 citations
- 583ERICSSON TELEFON AB L M800 patents · 12,597 citations
- 679CISCO TECH INC422 patents · 4,334 citations
- 775ISCO INT LLC121 patents · 937 citations
- 871IBM303 patents · 9,584 citations
- 967CIENA CORP468 patents · 9,565 citations
- 1063TOSHIBA KK167 patents · 4,977 citations
- 1158INTEL CORP563 patents · 4,795 citations
- 1254FUJITSU LTD1,479 patents · 21,527 citations
- 1350HITACHI LTD283 patents · 6,880 citations
- 1446SAMSUNG ELECTRONICS CO LTD1,073 patents · 9,814 citations
- 1542INFINERA CORP245 patents · 2,011 citations
- 1638MITSUBISHI ELECTRIC CORP305 patents · 3,397 citations
- 1733NEC CORP815 patents · 11,502 citations
- 1829COMCAST CABLE COMM LLC106 patents · 1,281 citations
- 1925SIEMENS AG266 patents · 4,571 citations
- 2021NIPPON TELEGRAPH & TELEPHONE338 patents · 4,066 citations
- 2117LG ELECTRONICS INC1,215 patents · 4,131 citations
- 2213GENGHISCOMM HOLDINGS LLC42 patents · 640 citations
- 238TEXAS INSTRUMENTS INC146 patents · 1,804 citations
- 244JUNIPER NETWORKS INC160 patents · 1,372 citations
- 251CANON KK105 patents · 2,276 citations
Active· last 5 yrs
Sustained H04J output across the last 5 years
- 199QUALCOMM INC1,180 patents · 19,332 citations
- 296INTERDIGITAL TECH CORP281 patents · 10,110 citations
- 392SONOS INC81 patents · 1,229 citations
- 488AT & T IP I LP175 patents · 2,515 citations
- 583ERICSSON TELEFON AB L M800 patents · 12,597 citations
- 679CISCO TECH INC422 patents · 4,334 citations
- 775ISCO INT LLC121 patents · 937 citations
- 871IBM303 patents · 9,584 citations
- 967GEN ELECTRIC47 patents · 1,951 citations
- 1063CIENA CORP468 patents · 9,565 citations
- 1158TOSHIBA KK167 patents · 4,977 citations
- 1254BRITISH TELECOMM92 patents · 3,748 citations
- 1350INTEL CORP563 patents · 4,795 citations
- 1446FUJITSU LTD1,479 patents · 21,527 citations
- 1542HITACHI LTD283 patents · 6,880 citations
- 1638SAMSUNG ELECTRONICS CO LTD1,073 patents · 9,814 citations
- 1733INFINERA CORP245 patents · 2,011 citations
- 1829MITSUBISHI ELECTRIC CORP305 patents · 3,397 citations
- 1925NEC CORP815 patents · 11,502 citations
- 2021COMCAST CABLE COMM LLC106 patents · 1,281 citations
- 2117SIEMENS AG266 patents · 4,571 citations
- 2213NIPPON TELEGRAPH & TELEPHONE338 patents · 4,066 citations
- 238SONY CORP308 patents · 3,238 citations
- 244ROCKWELL AUTOMATION TECH INC20 patents · 908 citations
- 251LG ELECTRONICS INC1,215 patents · 4,131 citations
All-time canon
All-time PatentIndex Score in H04J
- 199ADC TELECOMMUNICATIONS INC99 patents · 5,545 citations
- 296MASIMO CORP5 patents · 4,794 citations
- 392QUALCOMM INC1,180 patents · 19,332 citations
- 488INT MOBILE MACHINES9 patents · 2,060 citations
- 583ISCO INTERNATIONAL LLC17 patents · 1,096 citations
- 679INTERDIGITAL TECH CORP281 patents · 10,110 citations
- 775FUJITSU NETWORK COMMUNICATIONS54 patents · 3,372 citations
- 871SCIENTIFIC ATLANTA53 patents · 8,792 citations
- 967HYBRID NETWORKS INC11 patents · 1,907 citations
- 1063SONOS INC81 patents · 1,229 citations
- 1158AT & T IP I LP175 patents · 2,515 citations
- 1254ADAPTIX INC35 patents · 1,564 citations
- 1350SPRINT COMMUNICATIONS CO110 patents · 3,818 citations
- 1446ERICSSON TELEFON AB L M800 patents · 12,597 citations
- 1542DINAN ESMAEL HEJAZI50 patents · 3,238 citations
- 1638AT & T CORP195 patents · 10,420 citations
- 1733CISCO TECH INC422 patents · 4,334 citations
- 1829TERAYON COMM SYSTEMS INC14 patents · 2,620 citations
- 1925TANTIVY COMM INC16 patents · 1,455 citations
- 2021AT & T BELL LAB98 patents · 7,375 citations
- 2117BELL ATLANTIC NETWORK SERVICES12 patents · 2,271 citations
- 2213LUCENT TECHNOLOGIES INC428 patents · 20,119 citations
- 238OMNIPOINT CORP41 patents · 3,877 citations
- 244ISCO INT LLC121 patents · 937 citations
- 251NORTHERN TELECOM LTD89 patents · 5,451 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth