Topic leaderboard
Typewriters & selective printing mechanisms
Ranked by the PatentIndex Score — a 1–99 percentile within B41J · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B41J patents became public in the last 2 years — the current frontier
- 199Kiyohiko Takemoto35 patents · 1,534 citations
- 296Koshiro Yamaguchi130 patents · 3,213 citations
- 392Keiichiro Tsukuda66 patents · 2,220 citations
- 488Seiichiro Karita119 patents · 3,338 citations
- 583Kenji Tsukada40 patents · 805 citations
- 679Akira Sago94 patents · 1,095 citations
- 775Teruo Imamaki61 patents · 739 citations
- 871Tsuyoshi Nagae55 patents · 515 citations
- 967Angus John North90 patents · 695 citations
- 1063Yasuhiro Shibata54 patents · 576 citations
- 1158Eliyahu Vronsky93 patents · 986 citations
- 1254Yasuhiro Iriyama33 patents · 354 citations
- 1350Takeo Seino68 patents · 1,777 citations
- 1446Sass Somekh20 patents · 368 citations
- 1542John D. Mistyurik37 patents · 658 citations
- 1638Satoshi Nakata68 patents · 628 citations
- 1733Erick Hagstrom31 patents · 740 citations
- 1829David F. Beck26 patents · 609 citations
- 1925Yukihiro Hanaoka46 patents · 751 citations
- 2021Tadahiro Mizutani126 patents · 606 citations
- 2117Tatsuo Nanjo51 patents · 1,131 citations
- 2213Sagi Abramovich55 patents · 642 citations
- 238Kenta Udagawa49 patents · 1,097 citations
- 244Toshimitsu Danzuka58 patents · 666 citations
- 251Yukuo Yamaguchi76 patents · 603 citations
Active· last 5 yrs
Sustained B41J output across the last 5 years
- 199Emanuel M. Sachs17 patents · 4,221 citations
- 296Toshio Kashino159 patents · 5,049 citations
- 392Kiyohiko Takemoto35 patents · 1,534 citations
- 488Koshiro Yamaguchi130 patents · 3,213 citations
- 583Munehide Kanaya118 patents · 2,157 citations
- 679Keiichiro Tsukuda66 patents · 2,220 citations
- 775Seiichiro Karita119 patents · 3,338 citations
- 871Kenji Tsukada40 patents · 805 citations
- 967Tony Pervan25 patents · 630 citations
- 1063Akira Sago94 patents · 1,095 citations
- 1158Teruo Imamaki61 patents · 739 citations
- 1254Tsuyoshi Nagae55 patents · 515 citations
- 1350Angus John North90 patents · 695 citations
- 1446Teruo Ozaki101 patents · 2,421 citations
- 1542Yasuhiro Shibata54 patents · 576 citations
- 1638Eliyahu Vronsky93 patents · 986 citations
- 1733Robert Yraceburu62 patents · 1,055 citations
- 1829Mikio Sanada37 patents · 1,363 citations
- 1925Nathan Hale33 patents · 1,651 citations
- 2021Nobuyuki Kuwabara61 patents · 2,252 citations
- 2117Yasuhiro Iriyama33 patents · 354 citations
- 2213James A. Makley25 patents · 479 citations
- 238Takeo Seino68 patents · 1,777 citations
- 244Akira Kida56 patents · 1,160 citations
- 251Sass Somekh20 patents · 368 citations
All-time canon
Career PatentIndex Score in B41J
- 199Barrett Comiskey35 patents · 17,590 citations
- 296Yasushi Takatori28 patents · 7,984 citations
- 392Yoshiaki Shirato23 patents · 7,603 citations
- 488Toshitami Hara23 patents · 7,267 citations
- 583Emanuel M. Sachs17 patents · 4,221 citations
- 679Russell J. Wilcox10 patents · 4,361 citations
- 775Ian D. Morrison13 patents · 6,556 citations
- 871Jacqueline Anne Lapstun96 patents · 1,996 citations
- 967Ichiro Endo8 patents · 5,380 citations
- 1063Takashi Nakagiri7 patents · 5,358 citations
- 1158Gregg M. Duthaler5 patents · 2,966 citations
- 1254James F. Bredt7 patents · 2,566 citations
- 1350Norman Michael Berry83 patents · 1,139 citations
- 1446Libing Zhang5 patents · 2,676 citations
- 1542Robert D. Feeney5 patents · 2,676 citations
- 1638Hakan Wernersson16 patents · 966 citations
- 1733Johan Lundgren16 patents · 966 citations
- 1829Krister Hansson16 patents · 966 citations
- 1925Michael L. Bullock32 patents · 3,941 citations
- 2021Toshihiko Ujita62 patents · 3,305 citations
- 2117Paul H. Mcclelland37 patents · 3,011 citations
- 2213Kenneth E. Trueba53 patents · 3,558 citations
- 238Richard B. Fair9 patents · 1,367 citations
- 244Donald J. Drake64 patents · 5,451 citations
- 251Donald R. Titterington18 patents · 2,581 citations
Rising· last 2 yrs
The top-scoring B41J patents made public in the last 2 years
- 199US12251007B1✦ AIRotating interface for multidirectional handheld eye makeup application3 cites · 202580% earned
- 296US11939995B1✦ AIControlling multiple eversion-based actuators4 cites · 202475% earned
- 392US12398003B1✦ AILaser marking feeding device2 cites · 202567% earned
- 488US12076994B2Inkjet recording device3 cites · 202472% earned
- 583US11975545B2Liquid consumption device2 cites · 202461% earned
- 679US12108000B1Methods, apparatuses, and computer program products for calibrating radio-frequency identi2 cites · 202467% earned
- 775US12427770B2Liquid ejecting head and liquid ejecting apparatus2 cites · 202476% earned
- 871US12269261B2Processing apparatus and recording apparatus2 cites · 202476% earned
- 967US12423773B2Image data processing method for laser imaging, computer device, and computer-readable sto2 cites · 202476% earned
- 1063US12142168B2Adhesive label and roll1 cites · 202442% earned
- 1158US12208612B2Media cartridge1 cites · 202450% earned
- 1254US12023935B2Nozzle sealing tape2 cites · 202467% earned
- 1350US11981124B2Method and system for aligning images printed with digital printer and analog cylinders2 cites · 202467% earned
- 1446US12282285B2Image forming apparatus2 cites · 202476% earned
- 1542US12172444B2High reliability sheathed transport path for aerosol jet devices2 cites · 202476% earned
- 1638US12434487B1Method and system for producing cereal pieces with printed images2 cites · 202576% earned
- 1733US12116226B2Printing press comprising a non-impact printing device2 cites · 202476% earned
- 1829US12344000B2Cartridge lid, cartridge, ink jet print head and ink jet printer2 cites · 202476% earned
- 1925US12242211B2Method of continuing use of a contract cartridge at an image forming apparatus1 cites · 202446% earned
- 2021US12179503B2Fabric printing on nested patterns, and associated print systems and products thereof1 cites · 202450% earned
- 2117US12221243B2Robotic product labeling system1 cites · 202456% earned
- 2213US12384929B2Inkjet ink and inkjet recording apparatus1 cites · 202467% earned
- 238US12240227B2Regulation device and printer1 cites · 202467% earned
- 244US11922241B1Printer calibration mechanism1 cites · 202467% earned
- 251US11900189B1Automatic tuning compensation system that determines optimal compensation target values fo1 cites · 202467% earned
Active· last 5 yrs
The top-scoring B41J patents of the last 5 years
- 199US11254154B1✦ AIGarment personalization with autonomous robots23 cites · 202282% earned
- 296US11161353B1✦ AIPersonalization vending kiosk18 cites · 202181% earned
- 392US11338591B1✦ AIDefective nozzle correction mechanism15 cites · 202289% earned
- 488US11630975B1Secondary color uniformity compensation mechanism10 cites · 202387% earned
- 583US11539900B2Caption modification and augmentation systems and methods for use by hearing assisted user11 cites · 202178% earned
- 679US11443152B1Secondary color uniformity compensation mechanism11 cites · 202288% earned
- 775US11270171B2Ink discharge complementing method and printing apparatus11 cites · 202188% earned
- 871US11535038B1Board, liquid accommodation container, and printing system8 cites · 202263% earned
- 967US11396190B2Digital printing process9 cites · 202181% earned
- 1063US11298952B2Printing system10 cites · 202187% earned
- 1158US11104538B1Method for producing printed material and system for producing printed material9 cites · 202187% earned
- 1254US11623823B1Garment personalization kiosk with articular robotic retrieval system6 cites · 202385% earned
- 1350US12251007B1Rotating interface for multidirectional handheld eye makeup application3 cites · 202580% earned
- 1446US10960684B1Schemes to validate and protect secure documents10 cites · 202178% earned
- 1542US11541674B2Printing apparatus7 cites · 202175% earned
- 1638US11383154B2Enhanced security instant tickets via homogeneous utilization of the backing for variable 7 cites · 202186% earned
- 1733US11584132B2Liquid storage container7 cites · 202286% earned
- 1829US11772408B2Image forming system7 cites · 202286% earned
- 1925US11673405B2Ink jet printing apparatus, ink tank and ink supply container8 cites · 202180% earned
- 2021US11939995B1Controlling multiple eversion-based actuators4 cites · 202475% earned
- 2117US11970019B2Envelope processing apparatus and image forming system4 cites · 202382% earned
- 2213US11283936B1Ink usage estimation for each drop size based on histogram and calibrated drop fraction8 cites · 202286% earned
- 238US12151505B2Envelope processing apparatus and image forming system4 cites · 202382% earned
- 244US11135853B1Ink circulation supply system and method for inkjet head8 cites · 202186% earned
- 251US11453212B2Print component with memory circuit9 cites · 202170% earned
All-time canon
The defining B41J patents of the whole record
- 199US4723129A✦ AIBubble jet recording method and apparatus in which a heating element generates bubbles in 2,733 cites · 198888% earned
- 296US4463359A✦ AIDroplet generating method and apparatus thereof2,333 cites · 198490% earned
- 392US4740796A✦ AIBubble jet recording method and apparatus in which a heating element generates bubbles in 2,294 cites · 198888% earned
- 488US6766817B2Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action2,191 cites · 200392% earned
- 583US4558333ALiquid jet recording head2,071 cites · 198596% earned
- 679US4345262AInk jet recording method2,044 cites · 198296% earned
- 775US4313124ALiquid jet recording process and liquid jet recording head2,008 cites · 198296% earned
- 871US4459600ALiquid jet recording device1,911 cites · 198493% earned
- 967US5204055AThree-dimensional printing techniques1,589 cites · 199390% earned
- 1063US7467849B2Printhead incorporating a static pagewidth printhead1,482 cites · 200791% earned
- 1158US6918404B2Irrigation and drainage based on hydrodynamic unsaturated fluid flow1,376 cites · 200491% earned
- 1254US7066586B2Ink refill and recharging system1,354 cites · 200491% earned
- 1350US5930026ANonemissive displays and piezoelectric power supplies therefor1,174 cites · 199993% earned
- 1446US6017584AMulti-color electrophoretic displays and materials for making the same1,118 cites · 200095% earned
- 1542US6172798B1Shutter mode microencapsulated electrophoretic display1,027 cites · 200193% earned
- 1638US5387380AThree-dimensional printing techniques1,021 cites · 199595% earned
- 1733US5160945APagewidth thermal ink jet printhead904 cites · 199295% earned
- 1829US6120588AElectronically addressable microencapsulated ink and display thereof851 cites · 200089% earned
- 1925US6130774AShutter mode microencapsulated electrophoretic display815 cites · 200092% earned
- 2021US6118426ATransducers and indicators having printed displays806 cites · 200095% earned
- 2117US5719604ADiaphragm type ink jet head having a high degree of integration and a high ink discharge e762 cites · 199895% earned
- 2213US6067185AProcess for creating an encapsulated electrophoretic display761 cites · 200091% earned
- 238US3946398AMethod and apparatus for recording with writing fluids and drop projection means therefor748 cites · 197692% earned
- 244US4608577AInk-belt bubble propulsion printer734 cites · 198695% earned
- 251US6019457AInk jet print device and print head or print apparatus using the same732 cites · 200095% earned
Rising· last 2 yrs
Assignees whose newest B41J patents became public in the last 2 years — the current frontier
- 199CANON KK8,860 patents · 152,267 citations
- 296XEROX CORP2,558 patents · 61,603 citations
- 392SEIKO EPSON CORP9,053 patents · 65,144 citations
- 488EASTMAN KODAK CO1,425 patents · 36,638 citations
- 583HEWLETT PACKARD DEVELOPMENT CO3,441 patents · 22,204 citations
- 679SHARP KK415 patents · 7,394 citations
- 775BROTHER IND LTD5,015 patents · 33,833 citations
- 871DAINIPPON PRINTING CO LTD126 patents · 1,903 citations
- 967CERALOC INNOVATION AB37 patents · 685 citations
- 1063KATEEVA INC144 patents · 1,049 citations
- 1158AGILENT TECHNOLOGIES INC24 patents · 1,082 citations
- 1254TOSHIBA TEC KK698 patents · 3,521 citations
- 1350KYOCERA CORP205 patents · 1,290 citations
- 1446BRADY WORLDWIDE INC35 patents · 711 citations
- 1542LANDA CORP LTD121 patents · 1,309 citations
- 1638SEIKO INSTR INC202 patents · 1,842 citations
- 1733SAMSUNG ELECTRO MECH69 patents · 740 citations
- 1829ILLINOIS TOOL WORKS80 patents · 847 citations
- 1925ROHM CO LTD225 patents · 1,928 citations
- 2021CITIZEN WATCH CO LTD171 patents · 1,777 citations
- 2117XAAR TECHNOLOGY LTD96 patents · 1,321 citations
- 2213ELECTRONICS FOR IMAGING INC145 patents · 459 citations
- 238RISO KAGAKU CORP276 patents · 1,054 citations
- 244FUNAI ELECTRIC CO254 patents · 774 citations
- 251AGFA GEVAERT NV43 patents · 596 citations
Active· last 5 yrs
Sustained B41J output across the last 5 years
- 199CANON KK8,860 patents · 152,267 citations
- 296E INK CORP61 patents · 28,510 citations
- 392XEROX CORP2,558 patents · 61,603 citations
- 488SEIKO EPSON CORP9,053 patents · 65,144 citations
- 583EASTMAN KODAK CO1,425 patents · 36,638 citations
- 679HEWLETT PACKARD DEVELOPMENT CO3,441 patents · 22,204 citations
- 775SHARP KK415 patents · 7,394 citations
- 871HITACHI LTD233 patents · 5,133 citations
- 967LEXMARK INT INC819 patents · 16,231 citations
- 1063BROTHER IND LTD5,015 patents · 33,833 citations
- 1158DAINIPPON PRINTING CO LTD126 patents · 1,903 citations
- 1254IBM766 patents · 13,944 citations
- 1350FUJI XEROX CO LTD744 patents · 10,097 citations
- 1446CERALOC INNOVATION AB37 patents · 685 citations
- 1542KATEEVA INC144 patents · 1,049 citations
- 1638TOSHIBA KK496 patents · 5,001 citations
- 1733AGILENT TECHNOLOGIES INC24 patents · 1,082 citations
- 1829SIEMENS AG198 patents · 4,702 citations
- 1925OKI DATA KK180 patents · 2,447 citations
- 2021TOSHIBA TEC KK698 patents · 3,521 citations
- 2117SAMSUNG ELECTRONICS CO LTD1,030 patents · 10,646 citations
- 2213NEC CORP207 patents · 3,336 citations
- 238CASIO COMPUTER CO LTD277 patents · 2,274 citations
- 244KYOCERA CORP205 patents · 1,290 citations
- 251SONY CORP387 patents · 5,105 citations
All-time canon
All-time PatentIndex Score in B41J
- 199CANON KK8,860 patents · 152,267 citations
- 296SILVERBROOK RES PTY LTD3,732 patents · 77,303 citations
- 392GAZDZINSKI ROBERT F14 patents · 5,805 citations
- 488E INK CORP61 patents · 28,510 citations
- 583MASSACHUSETTS INST TECHNOLOGY14 patents · 5,973 citations
- 679MICRONIC LASER SYSTEMS AB16 patents · 1,696 citations
- 775HEWLETT PACKARD CO1,878 patents · 96,579 citations
- 871XEROX CORP2,558 patents · 61,603 citations
- 967SEIKO EPSON CORP9,053 patents · 65,144 citations
- 1063PERGO EUROP AB9 patents · 938 citations
- 1158TEKTRONIX INC113 patents · 8,773 citations
- 1254EASTMAN KODAK CO1,425 patents · 36,638 citations
- 1350AEROGEN INC18 patents · 2,650 citations
- 1446TEXAS INSTRUMENTS INC75 patents · 4,249 citations
- 1542ENCAD INC29 patents · 2,674 citations
- 1638Z CORP10 patents · 1,748 citations
- 1733HEWLETT PACKARD DEVELOPMENT CO3,441 patents · 22,204 citations
- 1829SHARP KK415 patents · 7,394 citations
- 1925ZIH CORP116 patents · 2,978 citations
- 2021HITACHI LTD233 patents · 5,133 citations
- 2117RICOH KK854 patents · 20,501 citations
- 2213LEXMARK INT INC819 patents · 16,231 citations
- 238BROTHER IND LTD5,015 patents · 33,833 citations
- 244SILONICS10 patents · 1,640 citations
- 251PITNEY BOWES INC191 patents · 5,879 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth