Topic leaderboard
Indexing scheme for fasteners
Ranked by the PatentIndex Score — a 1–99 percentile within A44D · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A44D patents became public in the last 2 years — the current frontier
- 199Joachim Fiedler26 patents · 611 citations
- 296Hsiang Hung Chen19 patents · 108 citations
- 392Stephen E. Dey12 patents · 91 citations
- 488Breido Botkus11 patents · 114 citations
- 583Manqun Cheng13 patents · 47 citations
- 679Beeman E. Burgoon, Jr.8 patents · 25 citations
- 775William Stuart Duncan8 patents · 25 citations
- 871Hao Zhu9 patents · 35 citations
- 967Ming Yen Tseng4 patents · 37 citations
- 1063Walter G. Mayfield7 patents · 7 citations
- 1158Peter M. Goodwin5 patents · 16 citations
- 1254Salmon Nortje5 patents · 16 citations
- 1350Qigen Ji5 patents · 12 citations
- 1446Zaki Moustafa5 patents · 12 citations
- 1542Clayton J. Mccoy4 patents · 6 citations
- 1638Abeer Elsayed Elembaby3 patents · 5 citations
- 1733Peter A. Feinstein2 patents · 68 citations
- 1829Caitlin M. Mclain3 patents · 4 citations
- 1925Fernando Cunha3 patents · 4 citations
- 2021Richard P. Steinke, Ii3 patents · 4 citations
- 2117Gerhard Fildan2 patents · 7 citations
- 2213Karl Wanzenböck2 patents · 7 citations
- 238Edward R. Rowland1 patents · 10 citations
- 244Tom Hunsucker1 patents · 10 citations
- 251David Richter1 patents · 2 citations
Active· last 5 yrs
Sustained A44D output across the last 5 years
- 199Joachim Fiedler26 patents · 611 citations
- 296Hsiang Hung Chen19 patents · 108 citations
- 392Stephen E. Dey12 patents · 91 citations
- 488Ryan C. Perkins6 patents · 50 citations
- 583Mark J. Friedman8 patents · 40 citations
- 679Breido Botkus11 patents · 114 citations
- 775Manqun Cheng13 patents · 47 citations
- 871Motohide Hatanaka8 patents · 37 citations
- 967Beeman E. Burgoon, Jr.8 patents · 25 citations
- 1063William Stuart Duncan8 patents · 25 citations
- 1158Julian Hoenig5 patents · 31 citations
- 1254Howard J. Reiter5 patents · 42 citations
- 1350Hao Zhu9 patents · 35 citations
- 1446Philip Klein5 patents · 22 citations
- 1542Yick Fai Chan5 patents · 30 citations
- 1638Ming Yen Tseng4 patents · 37 citations
- 1733Walter G. Mayfield7 patents · 7 citations
- 1829Peter M. Goodwin5 patents · 16 citations
- 1925Salmon Nortje5 patents · 16 citations
- 2021Qigen Ji5 patents · 12 citations
- 2117Zaki Moustafa5 patents · 12 citations
- 2213Cody Hutchins3 patents · 16 citations
- 238George Brooks3 patents · 16 citations
- 244Goran Reil3 patents · 8 citations
- 251Vladimir Reil3 patents · 8 citations
All-time canon
Career PatentIndex Score in A44D
- 199Patrick J. Billarant7 patents · 499 citations
- 296Davida Levy6 patents · 437 citations
- 392Brian J. Routhier5 patents · 260 citations
- 488Martin I. Jacobs5 patents · 260 citations
- 583Randall B. Kenney5 patents · 260 citations
- 679Joachim Fiedler26 patents · 611 citations
- 775Richard Hatch4 patents · 454 citations
- 871Sheung Chung Wong4 patents · 272 citations
- 967Hsiang Hung Chen19 patents · 108 citations
- 1063Stephen E. Dey12 patents · 91 citations
- 1158Ryan C. Perkins6 patents · 50 citations
- 1254Tamao Morita4 patents · 175 citations
- 1350Bryan Fan14 patents · 106 citations
- 1446James Proud14 patents · 106 citations
- 1542Joaquin Fernandez14 patents · 106 citations
- 1638Robert Shook14 patents · 106 citations
- 1733Mark J. Friedman8 patents · 40 citations
- 1829Esther Fuhrman6 patents · 133 citations
- 1925Erico Grunberger3 patents · 486 citations
- 2021Breido Botkus11 patents · 114 citations
- 2117Tsuyoshi Minato6 patents · 135 citations
- 2213Artur Tucholke4 patents · 133 citations
- 238Manqun Cheng13 patents · 47 citations
- 244Shunji Akashi4 patents · 126 citations
- 251Motohide Hatanaka8 patents · 37 citations
Rising· last 2 yrs
The top-scoring A44D patents made public in the last 2 years
- 199US11950663B1✦ AIBelt buckle system10 cites · 202487% earned
- 296US12133578B1✦ AIMagnetic buckle5 cites · 202484% earned
- 392US12127903B2✦ AIDental face shield system and method of making1 cites · 202446% earned
- 488US12064015B2Connecting apparatus2 cites · 202476% earned
- 583US12004599B1Magnetic shoelaces and method of use1 cites · 202456% earned
- 679US12329252B2Article of jewelry with magnetic clasp assembly1 cites · 202467% earned
- 775US11903458B1Riveting multi-directional closure1 cites · 202467% earned
- 871USD1040690SBuckling component applied to a magnetic buckling assembly1 cites · 202456% earned
- 967US11877632B1Earring with flexible post1 cites · 202467% earned
- 1063US12225988B2Magnetic jewelry clasp0 cites · 20240% earned
- 1158US12075580B2Devices and accessories employing a living hinge0 cites · 20240% earned
- 1254USD1059211SBuckle0 cites · 20250% earned
- 1350US12453396B2Wristbands with magnetic coupling0 cites · 20240% earned
- 1446US12133576B2Snap and lock0 cites · 20240% earned
- 1542US12467490B2Magnetic-mechanical closure device0 cites · 20240% earned
- 1638US12336618B2Applicator for makeup product0 cites · 20240% earned
- 1733US12458116B2Band employing bistable magnetic actuator with hands free actuation0 cites · 20250% earned
- 1829US12419373B2Reclosable closure0 cites · 20240% earned
- 1925USD1047358SGarment with magnetic clasp0 cites · 20240% earned
- 2021US11944168B1Wearable magnetic strap and wearable device0 cites · 20240% earned
- 2117US12310467B2Connector applied to watchband, watchband and watch0 cites · 20240% earned
- 2213US12303002B1Jewellery article0 cites · 20250% earned
- 238US12458117B2Jewelry piece with a magnetic closure for an interchangeable ornament0 cites · 20240% earned
- 244US12213566B2System and method for attaching embroidered design elements to clothing articles using mag0 cites · 20240% earned
- 251US12256795B2Magnetic button0 cites · 20240% earned
Active· last 5 yrs
The top-scoring A44D patents of the last 5 years
- 199US11006699B1✦ AIMagnetic buckle15 cites · 202176% earned
- 296US11160330B1✦ AIMagnetic buckle18 cites · 202189% earned
- 392US11533970B1✦ AIMagnetic buckle13 cites · 202288% earned
- 488US11950663B1Belt buckle system10 cites · 202487% earned
- 583US11647815B2Magnetic buckle device9 cites · 202287% earned
- 679US11425969B2Magnetic buckle11 cites · 202288% earned
- 775US12133578B1Magnetic buckle5 cites · 202484% earned
- 871US11986083B2Wearable magnet housing with interchangeable backing6 cites · 202285% earned
- 967US11825918B2Magnetic coupling device with mechanical interlock features6 cites · 202385% earned
- 1063US11266208B2Male buckling component for magnetic buckling assembly8 cites · 202168% earned
- 1158US11432622B2Releasable coupling device6 cites · 202178% earned
- 1254US11406163B2Reusable closure system6 cites · 202178% earned
- 1350US10943514B1Nondestructive wearable and detachable display assembly7 cites · 202186% earned
- 1446US10897967B1Magnetic jewelry attachment assembly9 cites · 202181% earned
- 1542US11033083B1Wristbands with magnetic coupling8 cites · 202180% earned
- 1638US11980258B2Magnetic fastener system4 cites · 202382% earned
- 1733US11666123B2Magnetic buckle4 cites · 202282% earned
- 1829US11805863B1Elongated strap with fastener and two magnetic elements5 cites · 202384% earned
- 1925US11470923B1Magnetic connector for selectively joining a leash to an animal collar8 cites · 202286% earned
- 2021US11406149B2Closure device for the releasable connecting of two parts4 cites · 202170% earned
- 2117US11432606B1Locking magnetic fasteners4 cites · 202282% earned
- 2213US11614108B2Attachment apparatuses and associated methods of use and manufacture3 cites · 202361% earned
- 238US11622606B1Buckle with rotor cylinder3 cites · 202380% earned
- 244US11051594B1Magnetic beads5 cites · 202184% earned
- 251US11197535B2Flag football system4 cites · 202170% earned
All-time canon
The defining A44D patents of the whole record
- 199US4941236A✦ AIMagnetic clasp for wristwatch strap433 cites · 199095% earned
- 296US5367891A✦ AIFitting device for accessory402 cites · 199495% earned
- 392US5050276A✦ AIMagnetic necklace clasp298 cites · 199194% earned
- 488US6292985B1Magnetic closure with mutual interlock for bags, knapsacks, items of clothing and the like192 cites · 200194% earned
- 583US6301754B1Magnetic closure device for clothing items, leather goods and the like187 cites · 200194% earned
- 679US8105208B2Portable fitness monitoring systems with displays and applications thereof182 cites · 201085% earned
- 775US4933224AMethod for adapting separable fasteners for attachment to other objects163 cites · 199094% earned
- 871US5664298AJewelry clasp162 cites · 199794% earned
- 967US7311858B2Silicate-based yellow-green phosphors158 cites · 200694% earned
- 1063US4231137AClasp for personal ornaments or furnishings156 cites · 198094% earned
- 1158US5945193ATouch fastener with porous metal containing layer153 cites · 199994% earned
- 1254US8042542B2Respiratory mask assembly with magnetic coupling to headgear assembly149 cites · 200590% earned
- 1350US4931344AFastener component147 cites · 199094% earned
- 1446US5806346AMagnetic pendant necklace set and manufacture145 cites · 199893% earned
- 1542US6606767B2Magnetic strap fastener140 cites · 200393% earned
- 1638US6598271B2Clasp136 cites · 200293% earned
- 1733US4881997AMethod for adapting separable fasteners for attachment to other objects135 cites · 198993% earned
- 1829US8360936B2Portable fitness monitoring systems with displays and applications thereof131 cites · 201284% earned
- 1925US6640398B2Magnetic clasp for jewelry131 cites · 200288% earned
- 2021US5500268AFastener assembly with magnetic side and end seals and method130 cites · 199688% earned
- 2117US5572887AMagnetic jewelry chain closure127 cites · 199693% earned
- 2213US4249267AMagnetic fabric fastener and closure means120 cites · 198193% earned
- 238US4982581ACoupling device for ornamental piece119 cites · 199193% earned
- 244US5432986AMagnetic fastener119 cites · 199593% earned
- 251US4784890AFastener assembly with peripheral temporary attachment layer116 cites · 198893% earned
Rising· last 2 yrs
Assignees whose newest A44D patents became public in the last 2 years — the current frontier
- 199FIDLOCK GMBH20 patents · 283 citations
- 296APPLE INC36 patents · 261 citations
- 392DURAFLEX HONG KONG LTD12 patents · 71 citations
- 488WONDERLAND SWITZERLAND AG13 patents · 47 citations
- 583DUNCAN WILLIAM STUART8 patents · 25 citations
- 679GUI GLOBAL PRODUCTS LTD7 patents · 7 citations
- 775UNIV IMAM ABDULRAHMAN BIN FAISAL3 patents · 5 citations
- 871STEINKE II RICHARD P3 patents · 4 citations
- 967FILDAN GERHARD2 patents · 7 citations
- 1063TEAM NEXBELT OPERATING INC1 patents · 10 citations
- 1158GROOVE LIFE CORP3 patents · 0 citations
- 1254Andria Arie LLC3 patents · 2 citations
- 1350PENGUIN MAGIC INC1 patents · 1 citations
- 1446MELLO DAVID1 patents · 1 citations
- 1542ZL HOLDINGS LLC1 patents · 1 citations
- 1638BERGMAN MICHAEL1 patents · 0 citations
- 1733HAGLER JAWAND1 patents · 0 citations
- 1829KISS NAIL PRODUCTS INC1 patents · 0 citations
- 1925Peter A Feinstein Patents LLC1 patents · 0 citations
- 2021DOSHI KUNAL1 patents · 0 citations
- 2117ERNST JOE1 patents · 0 citations
- 2213LAVIGNE LANDON JAMES1 patents · 0 citations
- 238NAGEL STEPHEN ROY1 patents · 0 citations
- 244RAWLINGS PAUL SIMON1 patents · 0 citations
- 251RICHARDSON COLBY1 patents · 0 citations
Active· last 5 yrs
Sustained A44D output across the last 5 years
- 199YKK CORP25 patents · 357 citations
- 296FIDLOCK GMBH20 patents · 283 citations
- 392APPLE INC36 patents · 261 citations
- 488DURAFLEX HONG KONG LTD12 patents · 71 citations
- 583WONDERLAND SWITZERLAND AG13 patents · 47 citations
- 679DUNCAN WILLIAM STUART8 patents · 25 citations
- 775FRIEDMAN IP HOLDINGS LLC4 patents · 11 citations
- 871GUI GLOBAL PRODUCTS LTD7 patents · 7 citations
- 967PANDORA AS7 patents · 9 citations
- 1063REIL GORAN3 patents · 8 citations
- 1158STRYKER CORP3 patents · 15 citations
- 1254ROMAG FASTENERS INC3 patents · 11 citations
- 1350RE U ZIP LLC3 patents · 13 citations
- 1446NIKE INC4 patents · 8 citations
- 1542GOODWIN PETER2 patents · 16 citations
- 1638UNIV IMAM ABDULRAHMAN BIN FAISAL3 patents · 5 citations
- 1733BUTTON INT CO LTD2 patents · 40 citations
- 1829EMILE JEAN2 patents · 9 citations
- 1925STEINKE II RICHARD P3 patents · 4 citations
- 2021KOYA MEDICAL INC2 patents · 4 citations
- 2117FILDAN GERHARD2 patents · 7 citations
- 2213BELL SPORTS INC2 patents · 7 citations
- 238BROGENT TECH INC2 patents · 4 citations
- 244LIAN YANG PLASTIC SHEN ZHEN CO LTD1 patents · 11 citations
- 251TEAM NEXBELT OPERATING INC1 patents · 10 citations
All-time canon
All-time PatentIndex Score in A44D
- 199VELCRO IND10 patents · 825 citations
- 296APLIX INC8 patents · 500 citations
- 392LEVY DAVIDA5 patents · 369 citations
- 488GEN MOTORS CORP15 patents · 517 citations
- 583YKK CORP25 patents · 357 citations
- 679FIEDLER JOACHIM9 patents · 330 citations
- 775FIDLOCK GMBH20 patents · 283 citations
- 871APPLE INC36 patents · 261 citations
- 967HELLO INC14 patents · 106 citations
- 1063SAMA S P A3 patents · 486 citations
- 1158MINNESOTA MINING & MFG3 patents · 310 citations
- 1254DURAFLEX HONG KONG LTD12 patents · 71 citations
- 1350WONDERLAND SWITZERLAND AG13 patents · 47 citations
- 1446WOOJIN PLASTIC CO LTD5 patents · 74 citations
- 1542DUNCAN WILLIAM STUART8 patents · 25 citations
- 1638HARMONY FASTENING SYSTEMS INC3 patents · 115 citations
- 1733HEART & COMPANY3 patents · 77 citations
- 1829KRETCHMER STEVEN3 patents · 99 citations
- 1925ADIDAS AG4 patents · 150 citations
- 2021DISNEY ENTPR INC3 patents · 67 citations
- 2117BALLOU & CO B A3 patents · 88 citations
- 2213ILLINOIS TOOL WORKS3 patents · 96 citations
- 238KURASHIMA HIDEO4 patents · 37 citations
- 244YAMATO TRADING NIRE CO LTD2 patents · 248 citations
- 251FRIEDMAN IP HOLDINGS LLC4 patents · 11 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth