Topic leaderboard
Electromechanical clocks or watches
Ranked by the PatentIndex Score — a 1–99 percentile within G04C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest G04C patents became public in the last 2 years — the current frontier
- 199Colin M. Ely29 patents · 1,112 citations
- 296Sameer Pandya10 patents · 169 citations
- 392Jonghyun Choi9 patents · 96 citations
- 488Kinyeng Kang9 patents · 96 citations
- 583Steven C. Roach6 patents · 148 citations
- 679Christopher Wilson7 patents · 156 citations
- 775Alan C. Dye6 patents · 154 citations
- 871Joosun Yoon5 patents · 78 citations
- 967Sunkwang Kim5 patents · 78 citations
- 1063Kevin Will Chen4 patents · 137 citations
- 1158Cedric Nicolas13 patents · 25 citations
- 1254Annette Haid5 patents · 33 citations
- 1350Gregor Matjan5 patents · 33 citations
- 1446Julian Herget5 patents · 33 citations
- 1542Markus Klein5 patents · 33 citations
- 1638Romana Sigl5 patents · 33 citations
- 1733Stephan Lintner5 patents · 33 citations
- 1829Stan Maes5 patents · 33 citations
- 1925Ulrich Kastner-Jung5 patents · 33 citations
- 2021Pierpasquale Tortora13 patents · 30 citations
- 2117Yoshinori Asami5 patents · 37 citations
- 2213Antonio F. Herrera4 patents · 21 citations
- 238Aurelio Guzmán4 patents · 8 citations
- 244Aled Williams2 patents · 21 citations
- 251Golnaz Abdollahian5 patents · 2 citations
Active· last 5 yrs
Sustained G04C output across the last 5 years
- 199Colin M. Ely29 patents · 1,112 citations
- 296Tyler S. Bushnell11 patents · 347 citations
- 392Adam T. Clavelle8 patents · 260 citations
- 488Erik G. De Jong6 patents · 231 citations
- 583Collin R. Petty6 patents · 198 citations
- 679Yvan Ferri14 patents · 268 citations
- 775Sameer Pandya10 patents · 169 citations
- 871Maegan K. Spencer5 patents · 171 citations
- 967Erik G. De Jong7 patents · 171 citations
- 1063Ben Garvey6 patents · 67 citations
- 1158Darren Scott Cameron6 patents · 67 citations
- 1254Donald Wesley Church6 patents · 67 citations
- 1350George Allan Mackay6 patents · 67 citations
- 1446Glenn Eric Pederson6 patents · 67 citations
- 1542Gregory Emile Chauvin6 patents · 67 citations
- 1638Matt Gonia6 patents · 67 citations
- 1733Neil Stuart Erskine6 patents · 67 citations
- 1829Robert Thomas Buczkiewicz6 patents · 67 citations
- 1925Jonghyun Choi9 patents · 96 citations
- 2021Kinyeng Kang9 patents · 96 citations
- 2117Steven C. Roach6 patents · 148 citations
- 2213Christopher Wilson7 patents · 156 citations
- 238Francois Gueissaz16 patents · 266 citations
- 244Alan C. Dye6 patents · 154 citations
- 251Josh Michael Bablitch5 patents · 41 citations
All-time canon
Career PatentIndex Score in G04C
- 199Colin M. Ely29 patents · 1,112 citations
- 296Motomu Hayakawa10 patents · 697 citations
- 392Camille Moussette5 patents · 350 citations
- 488John B. Morrell5 patents · 350 citations
- 583Tyler S. Bushnell11 patents · 347 citations
- 679Teruhiko Fujisawa48 patents · 703 citations
- 775Adam T. Clavelle8 patents · 260 citations
- 871Erik G. De Jong6 patents · 231 citations
- 967Nicholas A. Rodgers9 patents · 460 citations
- 1063Collin R. Petty6 patents · 198 citations
- 1158Gerhard Stotz18 patents · 345 citations
- 1254Joji Kitahara18 patents · 412 citations
- 1350Hiroshi Yabe15 patents · 396 citations
- 1446Paul Wuthrich15 patents · 383 citations
- 1542Michel Plancon14 patents · 283 citations
- 1638Claude Laesser9 patents · 277 citations
- 1733Herbert Schwartz13 patents · 243 citations
- 1829Anna-Katrina Shedletsky4 patents · 277 citations
- 1925Rene Besson17 patents · 349 citations
- 2021Yvan Ferri14 patents · 268 citations
- 2117Takayasu Machida15 patents · 294 citations
- 2213Sameer Pandya10 patents · 169 citations
- 238Wolfgang Ganter13 patents · 263 citations
- 244Masahiro Sase8 patents · 214 citations
- 251Daniel Koch7 patents · 258 citations
Rising· last 2 yrs
The top-scoring G04C patents made public in the last 2 years
- 199USD1033467S✦ AIDisplay screen or portion thereof with graphical user interface4 cites · 202467% earned
- 296US12276943B2✦ AIConductive cap for watch crown1 cites · 202450% earned
- 392US12095330B2✦ AIVibrator generator having swing unit, frame and elastic member0 cites · 20240% earned
- 488US12189872B2Interacting with an electronic device through physical movement0 cites · 20240% earned
- 583US12158250B2Organic-light emitting diode0 cites · 20240% earned
- 679US12274133B2Display device having a through portion0 cites · 20240% earned
- 775US12189342B2Switch module for electronic crown assembly0 cites · 20240% earned
- 871US12282302B2Crown for an electronic watch0 cites · 20240% earned
- 967US12572266B2Accessing and displaying information corresponding to past times and future times0 cites · 20240% earned
- 1063US12346070B2Variable frictional feedback device for a digital crown of an electronic watch0 cites · 20240% earned
- 1158US12261468B2Electronic apparatus, power feeding control method, and non-transitory recording medium0 cites · 20240% earned
- 1254US12140909B2Display apparatus and watch0 cites · 20240% earned
- 1350US11961390B1Configuring a secondary device0 cites · 20240% earned
- 1446US12140829B2Liquid crystal display device with decorative pattern directly aligned with transparent st0 cites · 20240% earned
- 1542US12596333B2Pointer display apparatus and pointer operation control method0 cites · 20240% earned
- 1638US12349471B2Solar panel, electronic instrument, and electronic timepiece0 cites · 20240% earned
- 1733US12108576B1Thermal interposer for electronic device0 cites · 20240% earned
- 1829US12374284B2Display device with variable power consumption0 cites · 20250% earned
- 1925US12531414B2Electronic device, charge control method and storage medium0 cites · 20240% earned
- 2021US12554224B2Crown for an electronic watch0 cites · 20240% earned
- 2117US12560891B2Horological movement comprising a striking mechanism provided with a flexible guide0 cites · 20240% earned
- 2213US12591204B2Horological movement comprising a striking mechanism provided with a flexible guide0 cites · 20240% earned
- 238US12596334B2Crown for an electronic watch0 cites · 20240% earned
- 244US12560893B2Clip device and electronic timepiece0 cites · 20240% earned
- 251US12468265B2Electric power generation device for timepiece0 cites · 20240% earned
Active· last 5 yrs
The top-scoring G04C patents of the last 5 years
- 199US11754981B2✦ AICrown for an electronic watch19 cites · 202279% earned
- 296US11385599B2✦ AIForce-detecting input structure19 cites · 202173% earned
- 392US11815860B2✦ AISwitch module for electronic crown assembly14 cites · 202377% earned
- 488US11796961B2Conductive cap for watch crown15 cites · 202280% earned
- 583USD910686SElectronic device with graphical user interface18 cites · 202179% earned
- 679US11194299B1Variable frictional feedback device for a digital crown of an electronic watch17 cites · 202181% earned
- 775US11513613B2Capacitive gap sensor ring for an input device12 cites · 202172% earned
- 871US11644800B2Coherent mixing interference based sensors for characterizing movement of a watch crown9 cites · 202177% earned
- 967US11669050B2Watch self-winding device with rotary motion9 cites · 202187% earned
- 1063US11537082B2Watch provided with a control member9 cites · 202187% earned
- 1158US11394215B1Quick release and connect system that provides battery power for a wearable electronic dev7 cites · 202286% earned
- 1254US11460919B1Wearable gesture detector7 cites · 202286% earned
- 1350USD956582STimer7 cites · 202272% earned
- 1446US11670835B2Single space wireless parking with improved antenna placements4 cites · 202159% earned
- 1542US11778866B2Display device with data lines curved along perimeter of through hole4 cites · 202164% earned
- 1638US12216433B2Electronic time piece4 cites · 202282% earned
- 1733US11960249B2Wearable electronic device with an optical sensor module integrated with a wireless chargi3 cites · 202272% earned
- 1829US12003113B2Wireless charging for devices with metal housings4 cites · 202175% earned
- 1925US11476780B2Energy harvester and a wearable device4 cites · 202182% earned
- 2021US12197172B2Watch2 cites · 202376% earned
- 2117US12092996B2Laser-based rotation sensor for a crown of an electronic watch2 cites · 202367% earned
- 2213US12074244B2Optical sensor package with magnetic component for device attachment2 cites · 202267% earned
- 238US12130334B2State of health determination of a battery2 cites · 202376% earned
- 244US11880172B2Display method, apparatus, smart wearable device and storage medium2 cites · 202276% earned
- 251US11762335B2Crown-push-button for a timepiece2 cites · 202276% earned
All-time canon
The defining G04C patents of the whole record
- 199US6298314B1✦ AIDetecting the starting and stopping of movement of a person on foot552 cites · 200195% earned
- 296US4081753A✦ AIAutomatic programming system for television receivers373 cites · 197894% earned
- 392US4170782A✦ AIProgramming and selection monitoring system for television receivers361 cites · 197994% earned
- 488US6729738B2Illumination devices for watches and other instruments286 cites · 200291% earned
- 583US3971610AConductive elastomeric contacts and connectors237 cites · 197694% earned
- 679US4873677ACharging apparatus for an electronic device229 cites · 198994% earned
- 775US5889737AWrist carried electronic device227 cites · 199994% earned
- 871US4962469AExercise measuring instrument223 cites · 199094% earned
- 967US4079366AElectronic timer and thermoswitch device206 cites · 197894% earned
- 1063US5003519AAlarm arrangement for a timepiece176 cites · 199194% earned
- 1158US7946758B2Modular movement that is fully functional standalone and interchangeable in other portable173 cites · 200990% earned
- 1254US5199009AReminder clock173 cites · 199394% earned
- 1350US4170104ASwitch mechanism for wristwatch164 cites · 197994% earned
- 1446US4309627ADetecting circuit for a power source voltage149 cites · 198294% earned
- 1542US5705770AThermoelectric module and method of controlling a thermoelectric module148 cites · 199894% earned
- 1638US5088070ASelecting apparatus for a multimode electronic wrist instrument146 cites · 199294% earned
- 1733US6252825B1Timepiece comprising a capacitive sensing device141 cites · 200193% earned
- 1829US6525996B1Power feeding apparatus, power receiving apparatus, power transfer system, power transfer 140 cites · 200393% earned
- 1925US9753436B2Rotary input mechanism for an electronic device139 cites · 201684% earned
- 2021US5249718AAutomatic pump-type spray dispenser138 cites · 199393% earned
- 2117US6690623B1Multi-functional time indicating device with a multi-colored fiber optic display137 cites · 200493% earned
- 2213US6535461B1Communication device135 cites · 200390% earned
- 238US5798984ATimepiece including a receiving and/or transmitting antenna for radio broadcast signals135 cites · 199893% earned
- 244US6060658APole having solar cells134 cites · 200093% earned
- 251US6359839B1Watch with a 24-hour watch face132 cites · 200293% earned
Rising· last 2 yrs
Assignees whose newest G04C patents became public in the last 2 years — the current frontier
- 199APPLE INC85 patents · 1,913 citations
- 295SEIKO EPSON CORP314 patents · 3,563 citations
- 390CITIZEN WATCH CO LTD256 patents · 4,407 citations
- 485SWATCH GROUP RES & DEV LTD141 patents · 575 citations
- 580CASIO COMPUTER CO LTD144 patents · 914 citations
- 675SAMSUNG DISPLAY CO LTD20 patents · 144 citations
- 770ETA SA MFT HORLOGERE SUISSE110 patents · 197 citations
- 865GOOGLE LLC10 patents · 13 citations
- 960WITHINGS4 patents · 18 citations
- 1055SUUNTO OY3 patents · 108 citations
- 1150AMAZON TECH INC2 patents · 21 citations
- 1245MINEBEA MITSUMI INC4 patents · 0 citations
- 1340PICTIVA DISPLAYS INTERNATIONAL LTD3 patents · 1 citations
- 1435SEIKO WATCH KK4 patents · 0 citations
- 1530META PLATFORMS TECH LLC2 patents · 0 citations
- 1625GOERTEK INC2 patents · 0 citations
- 1720DE MARCHI ANDREA1 patents · 0 citations
- 1815NANISETTY AVINASH RAGHU1 patents · 0 citations
- 1910PANDE RAJENDRANATH BHAVANIPRASAD1 patents · 0 citations
- 205SOLAIRES ENTREPRISES INC1 patents · 0 citations
- 211WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD1 patents · 0 citations
Active· last 5 yrs
Sustained G04C output across the last 5 years
- 199APPLE INC85 patents · 1,913 citations
- 296SEIKO EPSON CORP314 patents · 3,563 citations
- 392CITIZEN WATCH CO LTD256 patents · 4,407 citations
- 488SEIKO INSTR INC135 patents · 1,492 citations
- 583SWATCH GROUP RES & DEV LTD141 patents · 575 citations
- 679CASIO COMPUTER CO LTD144 patents · 914 citations
- 775SAMSUNG DISPLAY CO LTD20 patents · 144 citations
- 871SAMSUNG ELECTRONICS CO LTD33 patents · 207 citations
- 967ETA SA MFT HORLOGERE SUISSE110 patents · 197 citations
- 1063JJ MACKAY CANADA LTD5 patents · 41 citations
- 1158PIXART IMAGING INC9 patents · 66 citations
- 1254GARMIN SWITZERLAND GMBH9 patents · 27 citations
- 1350MONTRES BREGUET SA22 patents · 23 citations
- 1446GOOGLE LLC10 patents · 13 citations
- 1542ABRAMOV ANDREY3 patents · 80 citations
- 1638WITHINGS4 patents · 18 citations
- 1733TIME TIMER LLC4 patents · 9 citations
- 1829NIVAROX FAR SA4 patents · 19 citations
- 1925SUUNTO OY3 patents · 108 citations
- 2021LUTRON TECH CO LLC3 patents · 3 citations
- 2117AMAZON TECH INC2 patents · 21 citations
- 2213MINEBEA MITSUMI INC4 patents · 0 citations
- 238PICTIVA DISPLAYS INTERNATIONAL LTD3 patents · 1 citations
- 244PANASONIC IP CORP AMERICA4 patents · 2 citations
- 251HATCH BABY INC2 patents · 7 citations
All-time canon
All-time PatentIndex Score in G04C
- 199APPLE INC85 patents · 1,913 citations
- 296SEIKO EPSON CORP314 patents · 3,563 citations
- 392EBAUCHESFABRIK ETA AG102 patents · 1,948 citations
- 488TIMEX CORP56 patents · 1,332 citations
- 583CITIZEN WATCH CO LTD256 patents · 4,407 citations
- 679LG ELECTRONICS INC23 patents · 644 citations
- 775SEIKO INSTR INC135 patents · 1,492 citations
- 871ASULAB SA59 patents · 1,194 citations
- 967EBAUCHES SA44 patents · 847 citations
- 1063SWATCH GROUP RES & DEV LTD141 patents · 575 citations
- 1158CASIO COMPUTER CO LTD144 patents · 914 citations
- 1254SEIKO INSTR & ELECTRONICS86 patents · 1,102 citations
- 1350MOTOROLA INC5 patents · 380 citations
- 1446TIMEX GROUP BV20 patents · 367 citations
- 1542SUWA SEIKOSHA KK67 patents · 1,041 citations
- 1638ROLEX MONTRES11 patents · 269 citations
- 1733SAMSUNG DISPLAY CO LTD20 patents · 144 citations
- 1829SEIKOSHA KK30 patents · 318 citations
- 1925BULOVA WATCH CO INC9 patents · 182 citations
- 2021JUNGHANS UHREN GMBH8 patents · 176 citations
- 2117HUGHES AIRCRAFT CO8 patents · 174 citations
- 2213SUISSE HORLOGERIE22 patents · 317 citations
- 238JUNGHANS GMBH GEB21 patents · 226 citations
- 244HABER TERRY M5 patents · 169 citations
- 251IBM6 patents · 161 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth