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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Mechanical elements

Mechanical elements Patent Leaders in 2020 2020

Primary CPC class F16 · Section F

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 6,657 patents in 2019.peak 6,6571996: 3,188 patents19961997: 3,136 patents1998: 3,893 patents1999: 4,158 patents19992000: 4,369 patents2001: 4,412 patents2002: 4,399 patents20022003: 4,125 patents2004: 3,834 patents2005: 3,374 patents20052006: 3,815 patents2007: 3,072 patents2008: 2,949 patents20082009: 2,940 patents2010: 3,830 patents2011: 3,950 patents20112012: 4,706 patents2013: 5,087 patents2014: 5,503 patents20142015: 5,919 patents2016: 5,668 patents2017: 6,190 patents20172018: 5,880 patents2019: 6,657 patents2020: 6,310 patents20202021: 5,569 patents2022: 5,150 patents2023: 5,002 patents20232024: 5,035 patents2025: 4,534 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Seong Wook Hwang 25 Hyundai Motor
2 Jin Ho Kim 23 Samsung
3 Jong Sool Park 23 Hyundai Motor
#4 Seongwook Ji 23 Hyundai Motor
#5 Jong Soo Kim 22 Hyundai Motor
#6 Kyeong Hun Lee 22 Hyundai Motor
#7 Jae Joon Lee 21 Hyundai Motor
#8 Ki Tae Kim 21 Hyundai Motor
#9 Yong Uk Shin 21 Hyundai Motor
#10 Hyun Sik Kwon 19 Hyundai Motor
#11 Chon Ok Kim 18 Hyundai Motor
#12 Juhyeon Park 18 Hyundai Motor
#13 Minho Chae 15 Hyundai Motor
#14 Sun Sung Kwon 15 Hyundai Motor
#15 Ilhan Yoo 14 Hyundai Motor
#16 Ronald A. Vaccaro 12 Commscope Technologies
#17 Steffen Hummel 12 Audi Ag
#18 Gerhard Niederbrucker 10 Zf Friedrichshafen Ag
#19 Jens Moraw 10 Zf Friedrichshafen Ag
#20 Michael Wechs 10 Zf Friedrichshafen Ag
#21 Soon Ki Eo 10 Hyundai Motor
#22 Stefan Beck 10 Zf Friedrichshafen Ag
#23 Viktor Warth 10 Zf Friedrichshafen Ag
#24 Wonmin Cho 10 Hyundai Motor
#25 Yoshiyuki Okamoto 10 Denso
#26 Brian Lee 9 Schaeffler
#27 Peter C. Williams 9 Swagelok
#28 Alain-Christophe Tiberghien 8 Staubli Faverges
#29 Aviral Joshi 8 Commscope Technologies
#30 Jae Chang Kook 8 Hyundai Motor
#31 Johannes Kaltenbach 8 Zf Friedrichshafen Ag
#32 Ki Dong Kim 8 Hyundai Motor
#33 Masahiro Hamano 8 Jatco
#34 Tatsuhiko Iwasaki 8 Mazda Motor
#35 Taichi Washio 8 Toyota
#36 Tomotaka Ishizaka 8 Mazda Motor
#37 Cal R. Brown 7 Swagelok
#38 Christophe Durieux 7 Staubli Faverges
#39 Chun-Chiang Wang 7 King Slide Works Co.
#40 Eun Sik Kim 7 Hyundai Motor
#41 Glenn C. Lemmers, Jr. 7 Hamilton Sundstrand
#42 Hiroyuki Shioiri 7 Toyota
#43 John W. Kimes 7 Means Industries
#44 Johann Van Niekerk 7 BMW
#45 Ken-Ching Chen 7 King Slide Works Co.
#46 Kenji Niwata 7 Honda Motor Co.
#47 Martin Brehmer 7 Zf Friedrichshafen Ag
#48 Matthias Horn 7 Zf Friedrichshafen Ag
#49 Matthias Reisch 7 Zf Friedrichshafen Ag
#50 Masanori Watanabe 7 Sharp Kabushiki Kaisha
#51 Peter Ziemer 7 Zf Friedrichshafen Ag
#52 Scott D. Madara 7 Victaulic
#53 Yuya Tachibanada 7 Honda Motor Co.
#54 Zbigniew Jaskiewicz 7 Hamilton Sundstrand
#55 David R. Hall 6 Hall Labs
#56 Derek R. Hochstetler 6 Hamilton Sundstrand
#57 Dongxu Li 6 General Motors
#58 Duane C. Johnson 6 Hamilton Sundstrand
#59 Eric S. Tryon 6 Allison Transmission
#60 Guihui Zhong 6 Schaeffler
#61 Hiroyuki Shibata 6 Toyota
#62 Hiromu Terai 6 Nissan Motor Co.
#63 Joseph Beagen 6 Anvil International
#64 John E. Rode 6 Temper Axle Products
#65 Joop Roodenburg 6 Itrec B.V.
#66 Junji Murata 6 Jtekt
#67 Junya Ono 6 Honda Motor Co.
#68 Juri Pawlakowitsch 6 Zf Friedrichshafen Ag
#69 Kijong Park 6 Hyundai Motor
#70 Larry A. Pritchard 6 Borgwarner
#71 Matthew A. Bowman 6 Victaulic
#72 Masatoshi Itadani 6 Eagle Industry Co.
#73 Matthias Klingner 6 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh
#74 Masaru Kobayashi 6 Harmonic Drive Systems
#75 Masahiko Konno 6 Tsubakimoto Chain
#76 Michael Peschel 6 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh
#77 Nobutaka Yamaguchi 6 Fujitsu Limited
#78 Paul Kennedy 6 Kennedy Valve
#79 Raffael Kuberczyk 6 Zf Friedrichshafen Ag
#80 Seiji Amano 6 Daido Metal Company
#81 Shigeo Kamamoto 6 Jtekt
#82 Tatsuya Ryuzaki 6 Honda Motor Co.
#83 Ted A. Martin 6 Hamilton Sundstrand
#84 Timothy Fedullo 6 Ford
#85 Yoshinori Ito 6 Canon
#86 Youji Itou 6 Jatco
#87 Yuki KUROSAKI 6 Toyota
#88 Yuki Shishihara 6 Jtekt
#89 Andreas Orlamünder 5 Mannesmann Sachs Ag
#90 Bernd Unseld 5 Zf Friedrichshafen Ag
#91 Brian Schoolcraft 5 Allison Transmission
#92 Bugra Han Ertas 5 GE
#93 Carsten Ohr 5 Schaeffler
#94 Dale Eschenburg 5 Arvinmeritor Technology
#95 Daniel Urban 5 Cciip
#96 Dietmar Knoop 5 Meritor Heavy Vehicle Braking Systems (Uk) Limited
#97 Douglas S. Welch 5 Swagelok
#98 Elmar Lorenz 5 Schaeffler
#99 Haruka Ozono 5 Jatco
#100 James A. Raszkowski 5 Allison Transmission

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Hyundai Motor 155
2 Kia Motors 150
3 Schaeffler 148
#4 Toyota 128
#5 Honda Motor Co. 105
#6 Aktiebolaget Skf 78
#7 Zf Friedrichshafen Ag 77
#8 Ford 75
#9 Hamilton Sundstrand 66
#10 GE 61
#11 Ntn 59
#12 RTX (Raytheon) 56
#13 General Motors 50
#14 Unknown 48
#15 Jtekt 46
#16 Borgwarner 43
#17 Robert Bosch Gmbh 43
#18 The Boeing 43
#19 Jatco 41
#20 Nissan Motor Co. 41
#21 Goodrich 33
#22 Denso 32
#23 BMW 31
#24 Allison Transmission 30
#25 Eaton Intelligent Power Limited 30
#26 Nok 29
#27 Nsk 28
#28 Illinois Tool Works 27
#29 Aisin Aw Co. 26
#30 Fisher Controls International 26
#31 John Deere 25
#32 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh 24
#33 Exedy 23
#34 Rolls-Royce Plc 23
#35 Tsubakimoto Chain 22
#36 Audi Ag 21
#37 Mazda Motor 20
#38 Hitachi Automotive Systems 19
#39 Shimano 19
#40 Mandom 18
#41 American Axle & Manufacturing 17
#42 Fox Factory 16
#43 Harmonic Drive Systems 16
#44 Mahle International Gmbh 16
#45 Samsung 16
#46 Mitsubishi Heavy Industries Compressor 15
#47 Caterpillar 15
#48 Arvinmeritor Technology 14
#49 Beijing West Industries Co. 14
#50 Means Industries 14
#51 Mitsubishi Electric 14
#52 Tenneco Automotive Operating Company 14
#53 Thk Co. 14
#54 Thyssenkrupp Ag 14
#55 Voith Patent Gmbh 14
#56 Hiwin Technologies 13
#57 Kawasaki 13
#58 Parker-Hannifin 13
#59 Sew-Eurodrive Gmbh & Co. Kg 13
#60 Swagelok 13
#61 Sz Dji Osmo Technology Co. 13
#62 Victaulic 13
#63 Airbus Operations Limited 12
#64 Aisin Seiki Kabushiki Kaisha 12
#65 Akebono Brake Industry Co. 12
#66 Bell Helicopter Textron 12
#67 Cameron International 12
#68 Cnh Industrial America 12
#69 Commscope Technologies 12
#70 Eagle Industry Co. 12
#71 Mueller International 12
#72 Smc 12
#73 A. Raymond Et Cie 11
#74 Meritor Heavy Vehicle Braking Systems (Uk) Limited 11
#75 Nidec Tosok 11
#76 Anvil International 10
#77 Böllhoff Verbindungstechnik Gmbh 10
#78 Freni Brembo S.P.A. 10
#79 Gates 10
#80 Gkn Automotive Limited 10
#81 Halliburton Energy Services 10
#82 Hilti Aktiengesellschaft 10
#83 Kyb 10
#84 Litens Automotive Partnership 10
#85 Rolls-Royce Deutschland 10
#86 Sl 10
#87 Trinity Bay Equipment Holdings 10
#88 Honeywell 10
#89 Azbil 9
#90 Dr. Ing. H.C. F. Porsche Ag 9
#91 Emerson Process Management Regulator Technologies 9
#92 Federal-Mogul Motorparts 9
#93 Flender Gmbh 9
#94 Graco Minnesota 9
#95 National Oilwell Varco 9
#96 Nippon Steel 9
#97 Roller Bearing Company Of America 9
#98 Safran Transmission Systems 9
#99 Saint-Gobain Performance Plastics 9
#100 Samson Aktiengesellschaft 9