Topic leaderboard
Indexing scheme for form of light sources
Ranked by the PatentIndex Score — a 1–99 percentile within F21Y · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F21Y patents became public in the last 2 years — the current frontier
- 199Gary W. Schnuckle23 patents · 1,439 citations
- 296Douglas Patton40 patents · 1,109 citations
- 392Christopher Bower17 patents · 814 citations
- 488Matthew Meitl14 patents · 811 citations
- 583Alin Fecioru12 patents · 798 citations
- 679Carl Prevatte12 patents · 798 citations
- 775David Gomez12 patents · 798 citations
- 871David Kneeburg12 patents · 798 citations
- 967Salvatore Bonafede12 patents · 798 citations
- 1063Scott M. Zimmerman19 patents · 2,156 citations
- 1158Johnny Chen60 patents · 1,117 citations
- 1254Raymond L. Sharrah63 patents · 1,801 citations
- 1350Allan Brent York79 patents · 1,551 citations
- 1446Louis Lerman84 patents · 1,315 citations
- 1542Robert V. Steele46 patents · 1,084 citations
- 1638Wilson Dau59 patents · 793 citations
- 1733Kurt S. Wilcox156 patents · 2,222 citations
- 1829Xiaofeng Li48 patents · 1,014 citations
- 1925Michael D. Danesh37 patents · 1,585 citations
- 2021George Lerman36 patents · 563 citations
- 2117Jacqueline Teng36 patents · 563 citations
- 2213Yi-Qun Li62 patents · 958 citations
- 238Scott David Wegner26 patents · 450 citations
- 244Tomas Mollnow9 patents · 923 citations
- 251Aiming Xiong153 patents · 1,156 citations
Active· last 5 yrs
Sustained F21Y output across the last 5 years
- 199Ihor Lys71 patents · 29,382 citations
- 296Colin Piepgras29 patents · 5,388 citations
- 392John Ivey81 patents · 3,872 citations
- 488Niall R. Lynam30 patents · 1,193 citations
- 583Brian J. Chemel19 patents · 2,436 citations
- 679Gary W. Schnuckle23 patents · 1,439 citations
- 775Douglas Patton40 patents · 1,109 citations
- 871Christopher Bower17 patents · 814 citations
- 967Matthew Meitl14 patents · 811 citations
- 1063Alin Fecioru12 patents · 798 citations
- 1158Carl Prevatte12 patents · 798 citations
- 1254David Gomez12 patents · 798 citations
- 1350David Kneeburg12 patents · 798 citations
- 1446Salvatore Bonafede12 patents · 798 citations
- 1542Scott M. Zimmerman19 patents · 2,156 citations
- 1638Gerald H. Negley104 patents · 3,584 citations
- 1733Johnny Chen60 patents · 1,117 citations
- 1829David L. Simon50 patents · 2,479 citations
- 1925Hideo Nagai49 patents · 2,268 citations
- 2021Raymond L. Sharrah63 patents · 1,801 citations
- 2117Allan Brent York79 patents · 1,551 citations
- 2213Antony Paul Van De Ven133 patents · 3,728 citations
- 238David B. Levine15 patents · 850 citations
- 244Michael V. Recker15 patents · 850 citations
- 251Louis Lerman84 patents · 1,315 citations
All-time canon
Career PatentIndex Score in F21Y
- 199Ihor Lys71 patents · 29,382 citations
- 296George G. Mueller39 patents · 22,198 citations
- 392Frederick Morgan51 patents · 21,553 citations
- 488Michael K. Blackwell15 patents · 8,447 citations
- 583Kevin Dowling43 patents · 14,760 citations
- 679John K. Roberts18 patents · 5,305 citations
- 775Robert R. Turnbull10 patents · 4,090 citations
- 871Alfred D. Ducharme13 patents · 3,978 citations
- 967Peter A. Hochstein15 patents · 3,818 citations
- 1063Colin Piepgras29 patents · 5,388 citations
- 1158Jean C. Raymond21 patents · 1,315 citations
- 1254Jos Timmermans21 patents · 1,315 citations
- 1350Joseph S. Stam8 patents · 2,363 citations
- 1446Frederick T. Bauer7 patents · 2,179 citations
- 1542Brian Roberge12 patents · 2,798 citations
- 1638Charles A. Lemaire17 patents · 1,743 citations
- 1733Charles T. Bourn13 patents · 1,730 citations
- 1829Gary A. Lebens13 patents · 1,730 citations
- 1925William L. Tonar7 patents · 1,840 citations
- 2021John C. Pederson35 patents · 3,278 citations
- 2117Nobuyuki Matsui25 patents · 2,827 citations
- 2213Masanori Shimizu19 patents · 2,746 citations
- 238Tetsushi Tamura19 patents · 2,601 citations
- 244John Ivey81 patents · 3,872 citations
- 251Niall R. Lynam30 patents · 1,193 citations
Rising· last 2 yrs
The top-scoring F21Y patents made public in the last 2 years
- 199US12253254B1✦ AICandle warmer lamp12 cites · 202588% earned
- 296US12085241B1✦ AIFlashlight with rechargeable battery assembly9 cites · 202474% earned
- 392US11892002B1✦ AIFan with a translucent blade support12 cites · 202479% earned
- 488US12359782B1LED candle warmer lamp4 cites · 202582% earned
- 583US11913629B1Fire rated light fixture10 cites · 202487% earned
- 679US12098835B1Pool light6 cites · 202485% earned
- 775US12326252B1Camping fan telescopic lamp3 cites · 202580% earned
- 871US12007103B1Swimming pool lamp8 cites · 202486% earned
- 967US12270406B1Multifunctional handheld fan5 cites · 202584% earned
- 1063US12188627B1Foldable decorative lamp5 cites · 202584% earned
- 1158US12203604B1Filament light source assembly, filament lamp string and filament bulb5 cites · 202584% earned
- 1254US12088240B1Universal sun-tracking adjustment device, method and system7 cites · 202486% earned
- 1350US12376514B2Walk-behind mower with wide angle illumination4 cites · 202470% earned
- 1446US12276396B1LED light holding system4 cites · 202575% earned
- 1542US11906136B1Projection lamp6 cites · 202485% earned
- 1638US12055275B1String lamp6 cites · 202485% earned
- 1733US12392484B1Decorative light string2 cites · 202576% earned
- 1829US12264689B1Portable fan3 cites · 202580% earned
- 1925US12117141B1LED downlight3 cites · 202480% earned
- 2021US12146623B1Flashlight having multi-position head with downlight3 cites · 202480% earned
- 2117US12055283B1Lamp with removable lens3 cites · 202480% earned
- 2213US12259120B1Waterproof lamp3 cites · 202580% earned
- 238US12196382B1Candle wick part and candle lamp3 cites · 202580% earned
- 244US12181129B1Starry sky aurora atmosphere lamp with integrated lampshade3 cites · 202480% earned
- 251US12044365B1Light emitting diode (LED) light bulb and string light using LED light bulb4 cites · 202475% earned
Active· last 5 yrs
The top-scoring F21Y patents of the last 5 years
- 199US11007292B1✦ AIAutomatic power compensation in ultraviolet (UV) light emission device, and related method54 cites · 202180% earned
- 296USD907284S✦ AIModule applied to a lighting assembly46 cites · 202180% earned
- 392US11047538B2✦ AILED lighting apparatus with adapter bracket for a junction box46 cites · 202181% earned
- 488US11085597B2Recessed lighting systems45 cites · 202179% earned
- 583US11060705B1Compact lighting apparatus with AC to DC converter and integrated electrical connector52 cites · 202192% earned
- 679US11184967B2Angularly varying light emitting device with an imager44 cites · 202171% earned
- 775US10935815B1Eyewear having custom lighting48 cites · 202185% earned
- 871USD925109SLighting module46 cites · 202183% earned
- 967US11255497B2Adjustable electrical apparatus with hangar bars for installation in a building31 cites · 202181% earned
- 1063US11118768B2Outer casing for a recessed lighting fixture36 cites · 202184% earned
- 1158US12253254B1Candle warmer lamp12 cites · 202588% earned
- 1254US11099376B1User wearable fluorescence enabled visualization system35 cites · 202175% earned
- 1350USD960427SLight for cosmetic application33 cites · 202287% earned
- 1446US11280480B2User-wearable illumination assembly31 cites · 202178% earned
- 1542US11796732B2Aerosol delivery device20 cites · 202376% earned
- 1638US11274821B2Lighting module with keyed heat sink coupled to thermally conductive trim24 cites · 202185% earned
- 1733US10894104B1LED lighting device for sterilizing surface or space28 cites · 202191% earned
- 1829US10928029B1Guide lamp for vehicle28 cites · 202191% earned
- 1925US11118753B1Intelligent aurora borealis projection lamp23 cites · 202190% earned
- 2021US12085241B1Flashlight with rechargeable battery assembly9 cites · 202474% earned
- 2117US11380821B2Light emitting diode package structure27 cites · 202191% earned
- 2213US10940790B1System and method for adjustable lighting based on occupant and object identification in a30 cites · 202186% earned
- 238US11268691B2Storage unit with light-emitting components21 cites · 202176% earned
- 244US11187387B1Color-controllable LED luminescent lamp25 cites · 202190% earned
- 251US11892002B1Fan with a translucent blade support12 cites · 202479% earned
All-time canon
The defining F21Y patents of the whole record
- 199US6211626B1✦ AIIllumination components2,210 cites · 200193% earned
- 296US6016038A✦ AIMulticolored LED lighting method and apparatus1,858 cites · 200092% earned
- 392US6548967B1✦ AIUniversal lighting network methods and systems1,372 cites · 200391% earned
- 488US7213940B1Lighting device and lighting method1,240 cites · 200795% earned
- 583US6166496ALighting entertainment system1,208 cites · 200091% earned
- 679US6528954B1Smart light bulb1,164 cites · 200395% earned
- 775US5803579AIlluminator assembly incorporating light emitting diodes1,131 cites · 199890% earned
- 871US6150774AMulticolored LED lighting method and apparatus1,102 cites · 200091% earned
- 967US6340868B1Illumination components1,064 cites · 200293% earned
- 1063US7780309B2Preparedness flashlight1,027 cites · 200895% earned
- 1158US6459919B1Precision illumination methods and systems1,010 cites · 200291% earned
- 1254US7038399B2Methods and apparatus for providing power to lighting devices927 cites · 200493% earned
- 1350US5806965ALED beacon light922 cites · 199895% earned
- 1446US7014336B1Systems and methods for generating and modulating illumination conditions916 cites · 200688% earned
- 1542US5857767AThermal management system for L.E.D. arrays907 cites · 199995% earned
- 1638US6292901B1Power/data protocol878 cites · 200195% earned
- 1733US6045240ALED lamp assembly with means to conduct heat away from the LEDS825 cites · 200095% earned
- 1829US6234648B1Lighting system816 cites · 200195% earned
- 1925US5463280ALight emitting diode retrofit lamp803 cites · 199595% earned
- 2021US6132072ALed assembly796 cites · 200089% earned
- 2117US4733335AVehicular lamp795 cites · 198895% earned
- 2213US7178941B2Lighting methods and systems787 cites · 200592% earned
- 238US4211955ASolid state lamp779 cites · 198095% earned
- 244US6350041B1High output radial dispersing lamp using a solid state light source761 cites · 200295% earned
- 251US6095661AMethod and apparatus for an L.E.D. flashlight760 cites · 200087% earned
Rising· last 2 yrs
Assignees whose newest F21Y patents became public in the last 2 years — the current frontier
- 199GENTEX CORP29 patents · 6,397 citations
- 296STANLEY ELECTRIC CO LTD161 patents · 3,239 citations
- 392DISNEY ENTPR INC20 patents · 1,263 citations
- 488STREAMLIGHT INC82 patents · 1,923 citations
- 583KOITO MFG CO LTD333 patents · 4,557 citations
- 679DIALIGHT CORP51 patents · 1,968 citations
- 775TOYODA GOSEI KK53 patents · 1,945 citations
- 871WHELEN ENG39 patents · 1,184 citations
- 967MAGNA MIRRORS OF AMERICA INC48 patents · 596 citations
- 1063GROTE INDUSTRIES INC20 patents · 1,097 citations
- 1158DMF INC39 patents · 1,388 citations
- 1254JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD223 patents · 1,574 citations
- 1350WANGS ALLIANCE CORP62 patents · 360 citations
- 1446WILLIS ELECTRIC CO LTD50 patents · 687 citations
- 1542HONEYWELL INT INC43 patents · 880 citations
- 1638SAMSUNG ELECTRONICS CO LTD199 patents · 1,541 citations
- 1733LG ELECTRONICS INC201 patents · 796 citations
- 1829SEMICONDUCTOR ENERGY LAB69 patents · 640 citations
- 1925CITIZEN ELECTRONICS46 patents · 642 citations
- 2021QUARKSTAR LLC106 patents · 402 citations
- 2117SUREFIRE LLC15 patents · 586 citations
- 2213DESIGNS FOR VISION38 patents · 611 citations
- 238INTEMATIX CORP44 patents · 462 citations
- 244EPISTAR CORP83 patents · 485 citations
- 251ABL IP HOLDING LLC218 patents · 1,290 citations
Active· last 5 yrs
Sustained F21Y output across the last 5 years
- 199GENTEX CORP29 patents · 6,397 citations
- 296STANLEY ELECTRIC CO LTD161 patents · 3,239 citations
- 392DISNEY ENTPR INC20 patents · 1,263 citations
- 488GEN ELECTRIC59 patents · 2,540 citations
- 583STREAMLIGHT INC82 patents · 1,923 citations
- 679KOITO MFG CO LTD333 patents · 4,557 citations
- 775OSRAM SYLVANIA INC80 patents · 3,239 citations
- 871DIALIGHT CORP51 patents · 1,968 citations
- 967TOYODA GOSEI KK53 patents · 1,945 citations
- 1063CHIEN TSENG-LU143 patents · 1,660 citations
- 1158ILUMISYS INC50 patents · 981 citations
- 1254TOSHIBA KK37 patents · 1,327 citations
- 1350WHELEN ENG39 patents · 1,184 citations
- 1446MAGNA MIRRORS OF AMERICA INC48 patents · 596 citations
- 1542GROTE INDUSTRIES INC20 patents · 1,097 citations
- 1638DMF INC39 patents · 1,388 citations
- 1733OSRAM OPTO SEMICONDUCTORS GMBH80 patents · 1,269 citations
- 1829JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD223 patents · 1,574 citations
- 1925MAY MICHAEL W32 patents · 520 citations
- 2021WANGS ALLIANCE CORP62 patents · 360 citations
- 2117WILLIS ELECTRIC CO LTD50 patents · 687 citations
- 2213PATLITE CORP14 patents · 725 citations
- 238HONEYWELL INT INC43 patents · 880 citations
- 244SAMSUNG ELECTRONICS CO LTD199 patents · 1,541 citations
- 251LG ELECTRONICS INC201 patents · 796 citations
All-time canon
All-time PatentIndex Score in F21Y
- 199COLOR KINETICS INC40 patents · 26,370 citations
- 296GENTEX CORP29 patents · 6,397 citations
- 392RELUME CORP5 patents · 3,063 citations
- 488PHILIPS SOLID STATE LIGHTING27 patents · 6,104 citations
- 583ALTAIR ENG INC8 patents · 1,753 citations
- 679MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 patents · 3,518 citations
- 775LUMILEDS LIGHTING LLC10 patents · 2,943 citations
- 871911 EMERGENCY PRODUCTS INC11 patents · 1,825 citations
- 967KONINKL PHILIPS ELECTRONICS NV128 patents · 7,453 citations
- 1063PERMLIGHT PRODUCTS INC18 patents · 2,033 citations
- 1158PHILIPS CORP19 patents · 2,697 citations
- 1254LIGHT PRESCRIPTIONS INNOVATORS21 patents · 2,336 citations
- 1350STANLEY ELECTRIC CO LTD161 patents · 3,239 citations
- 1446GELCORE LLC27 patents · 3,125 citations
- 1542911EP INC19 patents · 1,441 citations
- 1638DONNELLY CORP10 patents · 683 citations
- 1733X CELEPRINT LTD12 patents · 785 citations
- 1829DISNEY ENTPR INC20 patents · 1,263 citations
- 1925GEN ELECTRIC59 patents · 2,540 citations
- 2021ALLIED SIGNAL INC10 patents · 1,950 citations
- 2117TELEDYNE LIGHTING & DISPLAY8 patents · 1,548 citations
- 2213STREAMLIGHT INC82 patents · 1,923 citations
- 238COOPER TECHNOLOGIES CO114 patents · 2,064 citations
- 244ADVANCED OPTICAL TECH INC13 patents · 1,038 citations
- 251CREE INC342 patents · 5,276 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth