Topic leaderboard
CPC A41G
Ranked by the PatentIndex Score — a 1–99 percentile within A41G · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A41G patents became public in the last 2 years — the current frontier
- 199Johnny Chen45 patents · 954 citations
- 296Sahara Lotti28 patents · 318 citations
- 392Jason Loomis21 patents · 64 citations
- 488Daniel C. Sawyer5 patents · 8 citations
- 583James M. Koerlin5 patents · 8 citations
- 679Richard R. Runkles5 patents · 8 citations
- 775Eddie K Jhin6 patents · 11 citations
- 871Jae-Hoon Lee6 patents · 11 citations
- 967Jason Kim5 patents · 6 citations
- 1063Susan Kim5 patents · 6 citations
- 1158Kichul Ahn4 patents · 4 citations
- 1254Xiangpeng Lian7 patents · 2 citations
- 1350Chao Yu2 patents · 17 citations
- 1446Tiantian Li2 patents · 17 citations
- 1542Jieun Kim3 patents · 1 citations
- 1638Elana Walker2 patents · 3 citations
- 1733Jozef Karpiel2 patents · 3 citations
- 1829Melissa Otis2 patents · 3 citations
- 1925Robin S. Rose2 patents · 3 citations
- 2021Xinzhi Jiao2 patents · 3 citations
- 2117Jiarong Sun6 patents · 0 citations
- 2213Monika Mcclain2 patents · 2 citations
- 238Zhaozhong Zhang3 patents · 2 citations
- 244Junna Zou4 patents · 0 citations
- 251Takashi Ogino2 patents · 2 citations
Active· last 5 yrs
Sustained A41G output across the last 5 years
- 199Johnny Chen45 patents · 954 citations
- 296Sahara Lotti28 patents · 318 citations
- 392Jason Loomis21 patents · 64 citations
- 488James K. Kim16 patents · 49 citations
- 583Chung-Wai (Paul) Cheng5 patents · 67 citations
- 679Yong Fu5 patents · 67 citations
- 775Jessica Le5 patents · 69 citations
- 871Kurt Amundson6 patents · 16 citations
- 967Nathan Harding6 patents · 16 citations
- 1063Okyo Sthair4 patents · 86 citations
- 1158Michael Muller4 patents · 12 citations
- 1254Chang Moo Lee4 patents · 61 citations
- 1350Daniel C. Sawyer5 patents · 8 citations
- 1446James M. Koerlin5 patents · 8 citations
- 1542Richard R. Runkles5 patents · 8 citations
- 1638Eddie K Jhin6 patents · 11 citations
- 1733Jae-Hoon Lee6 patents · 11 citations
- 1829David Jalbert4 patents · 13 citations
- 1925David Simonelli4 patents · 13 citations
- 2021H. Keith Nishihara3 patents · 8 citations
- 2117David Levich4 patents · 8 citations
- 2213Andre Schmeing3 patents · 6 citations
- 238Jifei Ou3 patents · 6 citations
- 244Jason Kim5 patents · 6 citations
- 251Susan Kim5 patents · 6 citations
All-time canon
Career PatentIndex Score in A41G
- 199Johnny Chen45 patents · 954 citations
- 296James E. Steffen10 patents · 650 citations
- 392David L. Braun9 patents · 556 citations
- 488Donald E. Weder74 patents · 1,486 citations
- 583Erwin H. Weder5 patents · 505 citations
- 679Sahara Lotti28 patents · 318 citations
- 775Daniel Phu Dinh11 patents · 447 citations
- 871Stacey Eve Sartena7 patents · 243 citations
- 967Charles W. Nelson7 patents · 266 citations
- 1063Paul V. Finamore6 patents · 209 citations
- 1158Kousuke Mochizuki6 patents · 113 citations
- 1254Teresa Lane9 patents · 128 citations
- 1350Raju Venkatapathy4 patents · 87 citations
- 1446Zivile M. Groh4 patents · 170 citations
- 1542Jeffrey A. Chapman5 patents · 47 citations
- 1638Jason Loomis21 patents · 64 citations
- 1733Michelle Elizabeth Freelove5 patents · 94 citations
- 1829Yongho Han4 patents · 167 citations
- 1925Peter S. C. Cheng5 patents · 59 citations
- 2021David L. Osment5 patents · 60 citations
- 2117Victor P. Laskorski4 patents · 95 citations
- 2213Kate Reeves3 patents · 165 citations
- 238Megan Mai Morys3 patents · 165 citations
- 244Nancy Taylor Dempsey3 patents · 165 citations
- 251Peter Jonathan Wyatt3 patents · 165 citations
Rising· last 2 yrs
The top-scoring A41G patents made public in the last 2 years
- 199US11986037B1✦ AIFalse eyelash pre-applied with glue, glue pre-applying device and method for producing fal17 cites · 202484% earned
- 296US12178270B2✦ AIApplicator and method for detaching artificial hairs from an artificial lash extension and4 cites · 202475% earned
- 392US12185781B1✦ AIHair weft and preparation process of2 cites · 202567% earned
- 488US12295512B1Retractable greening frame1 cites · 202567% earned
- 583US12504228B2Weave, wig, and hair extension dryer1 cites · 202456% earned
- 679US12331894B2Modular lighted tree with trunk electrical connectors0 cites · 20240% earned
- 775US12226037B2Power pole for artificial tree apparatus with axial electrical connectors0 cites · 20240% earned
- 871US12416120B2Base for turf system with vertical support extensions at panel edges0 cites · 20240% earned
- 967US12127616B1Packaged, bundled synthetic braiding hair having bundles of differing lengths0 cites · 20240% earned
- 1063US12171291B1Ready-to-use eyelash extensions0 cites · 20240% earned
- 1158US12471654B2Hair weft and preparation process thereof0 cites · 20250% earned
- 1254US12070386B1Methods and apparatuses for attaching hair using surgical thread0 cites · 20240% earned
- 1350US12593883B1Modular-segment, tape-in, lash extension apparatus and methods0 cites · 20260% earned
- 1446US12573318B2Foldable paper decor0 cites · 20240% earned
- 1542US12485696B1Inflatable garland0 cites · 20250% earned
- 1638US12376637B2Imitation flower bouquet system0 cites · 20240% earned
- 1733US12369664B2Wig apparatus0 cites · 20240% earned
- 1829US12336618B2Applicator for makeup product0 cites · 20240% earned
- 1925US12268260B1Hair weft and preparation process thereof0 cites · 20250% earned
- 2021US12414595B1Artificial eyelash fan0 cites · 20250% earned
- 2117US12137762B1Elastic ponytail extension0 cites · 20240% earned
- 2213US12446721B2Systems and methods for translucent artificial foliage0 cites · 20240% earned
- 238US12311581B2Artificial botanicals and methods of making same0 cites · 20240% earned
- 244USD1102021SHair extension tool0 cites · 20250% earned
- 251US12329222B2Fractal algorithm branching mounting system for distributed functional cells0 cites · 20240% earned
Active· last 5 yrs
The top-scoring A41G patents of the last 5 years
- 199US11986037B1✦ AIFalse eyelash pre-applied with glue, glue pre-applying device and method for producing fal17 cites · 202484% earned
- 296US11253020B2✦ AIArtificial lash extensions25 cites · 202172% earned
- 392US11832710B2✦ AIStorage case for artificial lash extensions17 cites · 202276% earned
- 488US11432608B2Stacking artificial lash extensions20 cites · 202181% earned
- 583US11466182B2Charcoal adhesive composition for lashes or lash extensions15 cites · 202180% earned
- 679US12178270B2Applicator and method for detaching artificial hairs from an artificial lash extension and4 cites · 202475% earned
- 775US11969074B2Electric applicator and method for re-affixing artificial lash extensions and curling natu5 cites · 202384% earned
- 871US11832669B2Lash extensions and methods of manufacture and use thereof6 cites · 202178% earned
- 967US12185781B1Hair weft and preparation process of2 cites · 202567% earned
- 1063US11224197B1Pet privacy barrier7 cites · 202286% earned
- 1158US11484077B1Combination storage and sterilization device for fake eyelashes7 cites · 202286% earned
- 1254US11275354B2Systems, methods and file format for 3D printing of microstructures4 cites · 202167% earned
- 1350US11832668B2Hair extensions, methods of making, and methods of using the same3 cites · 202380% earned
- 1446US11690420B1Costume wing using synthetic feather forms3 cites · 202380% earned
- 1542US11596191B1Seamless threading method of inserting hair extensions3 cites · 202380% earned
- 1638US11317668B1Device and method for integrating hair extensions4 cites · 202275% earned
- 1733US10945478B1Packaged synthetic braiding hair4 cites · 202182% earned
- 1829US11815235B2Modular lighted tree3 cites · 202247% earned
- 1925US11234471B1Packaged synthetic braiding hair3 cites · 202280% earned
- 2021US11606996B1Magnetic hair extension accessory3 cites · 202380% earned
- 2117US11207718B1Method and apparatus for cleaning false eyelashes3 cites · 202180% earned
- 2213US11419376B2Method for attaching hair extensions3 cites · 202167% earned
- 238US11793255B2Imitation flower bouquet system3 cites · 202272% earned
- 244US11805833B1Flexible hair extension with form retention capability3 cites · 202372% earned
- 251US11690419B1Preparation technology for artificial eyelash with naturally arc-shaped stem2 cites · 202376% earned
All-time canon
The defining A41G patents of the whole record
- 199US8046054B2✦ AIBi-planar fluoroscopy guided robot system for minimally invasive surgery and the control m287 cites · 201094% earned
- 296US4199627A✦ AIDecorative grass173 cites · 198094% earned
- 392US6332465B1✦ AIFace masks having an elastic and polyolefin thermoplastic band attached thereto by heat an167 cites · 200194% earned
- 488US5656368AFibrous filtration face mask having corrugated polymeric microfiber filter layer152 cites · 199781% earned
- 583US4072857AArtificial tree147 cites · 197894% earned
- 679US5280305AMethod and apparatus for forming a stylized, three-dimensional object136 cites · 199493% earned
- 775US8298633B1Multi-positional, locking artificial tree trunk130 cites · 201286% earned
- 871US4292266AProcess for making decorative grass126 cites · 198193% earned
- 967US6973931B1Automated hair isolation and processing system121 cites · 200593% earned
- 1063US5620545AMethod of making a corrugated nonwoven web of polymeric microfiber118 cites · 199780% earned
- 1158US4588618AOrnamental floating apparatus117 cites · 198693% earned
- 1254US6458435B1Artificial tree115 cites · 200290% earned
- 1350US5107867AProcess for extending human hair114 cites · 199293% earned
- 1446US4299242AMethod of making artificial eyelashes112 cites · 198193% earned
- 1542US5683762ACenterpiece assembly simulating floral arrangement109 cites · 199787% earned
- 1638US5806535AFoundations for head coverings107 cites · 199893% earned
- 1733US4934387AHair extension process102 cites · 199093% earned
- 1829US6030670ADecorating tree with embellishing lamp101 cites · 200093% earned
- 1925US5501239AHair piece using decorative clip101 cites · 199693% earned
- 2021US8454186B2Modular lighted tree with trunk electical connectors100 cites · 201275% earned
- 2117US6405736B2Method of using a self adhesive hair extension100 cites · 200193% earned
- 2213US5170509ACap with decorative hair attachment99 cites · 199293% earned
- 238US5897926AConnected decorative grass98 cites · 199993% earned
- 244US4600029AHairpieces98 cites · 198693% earned
- 251US5894846AApparatus and method for lengthening and thickening hair and for fastening hair pieces97 cites · 199993% earned
Rising· last 2 yrs
Assignees whose newest A41G patents became public in the last 2 years — the current frontier
- 199WILLIS ELECTRIC CO LTD38 patents · 478 citations
- 296LASHIFY INC28 patents · 318 citations
- 392ADERANS KK30 patents · 463 citations
- 488SHAKE N GO FASHION INC19 patents · 49 citations
- 583KANEKA CORP31 patents · 39 citations
- 679KISS NAIL PRODUCTS INC10 patents · 43 citations
- 775BELGRAVIA WOOD LTD15 patents · 7 citations
- 871BROCK USA LLC5 patents · 8 citations
- 967JBS HAIR INC6 patents · 11 citations
- 1063WELLNA CO LTD6 patents · 2 citations
- 1158QINGDAO HOLLYREN COSMETICS CO LTD2 patents · 17 citations
- 1254AMERICAN GREETINGS CORP2 patents · 19 citations
- 1350DENKA COMPANY LTD12 patents · 2 citations
- 1446OREAL10 patents · 1 citations
- 1542LOVEPOP INC2 patents · 3 citations
- 1638MCCLAIN MONIKA2 patents · 2 citations
- 1733PRO LASH INC2 patents · 0 citations
- 1829LEAK MAYSA1 patents · 1 citations
- 1925SUNG YI HSUAN2 patents · 0 citations
- 2021ZHEJIANG RUOPEI ARTS&CRAFTS CO LTD1 patents · 1 citations
- 2117Zou Junna2 patents · 0 citations
- 2213CHIANG MING YAO2 patents · 0 citations
- 238QINGDAO BAISI YIJIA COSMETICS CO LTD2 patents · 0 citations
- 244QINGDAO FUTESEN PLASTIC TECH CO LTD2 patents · 0 citations
- 251RIOPELLE JEFF1 patents · 0 citations
Active· last 5 yrs
Sustained A41G output across the last 5 years
- 199WILLIS ELECTRIC CO LTD38 patents · 478 citations
- 296LASHIFY INC28 patents · 318 citations
- 392ADERANS KK30 patents · 463 citations
- 488SHAKE N GO FASHION INC19 patents · 49 citations
- 583WINK ROBOTICS6 patents · 16 citations
- 679KANEKA CORP31 patents · 39 citations
- 775KISS NAIL PRODUCTS INC10 patents · 43 citations
- 871BELGRAVIA WOOD LTD15 patents · 7 citations
- 967NG IMP INC4 patents · 22 citations
- 1063BROCK USA LLC5 patents · 8 citations
- 1158JBS HAIR INC6 patents · 11 citations
- 1254POLYGROUP MACAU LTD BVI6 patents · 11 citations
- 1350PILOT INK CO LTD3 patents · 49 citations
- 1446OPT IND INC4 patents · 6 citations
- 1542H2W4 patents · 8 citations
- 1638DISNEY ENTPR INC6 patents · 10 citations
- 1733HANSEN HAL J3 patents · 13 citations
- 1829DOUBT RUXTON C4 patents · 11 citations
- 1925WELLNA CO LTD6 patents · 2 citations
- 2021QINGDAO HOLLYREN COSMETICS CO LTD2 patents · 17 citations
- 2117JUKI KK5 patents · 4 citations
- 2213AMERICAN GREETINGS CORP2 patents · 19 citations
- 238AMAZING LASH FRANCHISE LLC2 patents · 8 citations
- 244BLOOMING INTERNATIONAL LTD2 patents · 5 citations
- 251GRAY NATASHA4 patents · 3 citations
All-time canon
All-time PatentIndex Score in A41G
- 199CHEN JOHNNY5 patents · 471 citations
- 296MINNESOTA MINING & MFG8 patents · 542 citations
- 392WILLIS ELECTRIC CO LTD38 patents · 478 citations
- 488HIGHLAND MFG & SALES5 patents · 505 citations
- 583LASHIFY INC28 patents · 318 citations
- 679SOUTHPAC TRUST INT INC49 patents · 825 citations
- 775DINH DANIEL PHU11 patents · 447 citations
- 871HAIR BLAST INC7 patents · 243 citations
- 967ADERANS KK30 patents · 463 citations
- 1063HAIRLINE CREATIONS INC5 patents · 189 citations
- 1158ALBANY INT CORP5 patents · 178 citations
- 1254CELEBRITY SIGNATURES INTERNATI8 patents · 166 citations
- 1350TAKARA CO LTD4 patents · 184 citations
- 1446PPG INDUSTRIES INC4 patents · 172 citations
- 15423M INNOVATIVE PROPERTIES CO3 patents · 275 citations
- 1638UNITED CHINESE PLASTICS PROD5 patents · 97 citations
- 1733CHENG PETER S C5 patents · 59 citations
- 1829SOUTHPAC TRUST INT L INC4 patents · 66 citations
- 1925SHAKE N GO FASHION INC19 patents · 49 citations
- 2021APOLLO HAIR SYSTEMS INC3 patents · 140 citations
- 2117GOLDBERG MEL3 patents · 124 citations
- 2213FREELOVE MICHELLE ELIZABETH4 patents · 80 citations
- 238INDORATA SERVICOS & GESTAO LDA3 patents · 119 citations
- 244ALBEA SERVICES5 patents · 57 citations
- 251WINK ROBOTICS6 patents · 16 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth