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

Mechanical elements Patent Leaders in 2019 2019

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 Hyun Sik Kwon 66 Hyundai Motor
2 Seong Wook Hwang 65 Hyundai Motor
3 Ki Tae Kim 58 Hyundai Motor
#4 Seongwook Ji 46 Hyundai Motor
#5 Jae Chang Kook 41 Hyundai Motor
#6 Jong Soo Kim 37 Hyundai Motor
#7 Jong Sool Park 37 Hyundai Motor
#8 Kyeong Hun Lee 37 Hyundai Motor
#9 Jin Ho Kim 34 Samsung
#10 Wonmin Cho 34 Hyundai Motor
#11 Dong Hwan Hwang 30 Hyundai Motor
#12 Seong Wook Ji 23 Hyundai Motor
#13 Ilhan Yoo 20 Hyundai Motor
#14 Juhyeon Park 20 Hyundai Motor
#15 Won Min Cho 20 Hyundai Motor
#16 Brian Schoolcraft 14 Allison Transmission
#17 Farzad Samie 13 General Motors
#18 Keisuke Ota 13 Toyota
#19 Brian Lee 12 Schaeffler
#20 Michael D. Foster 12 Allison Transmission
#21 Alexandre Depraete 11 Valeo Embrayages
#22 Masatoshi Itadani 11 Eagle Industry Co.
#23 Stefan Beck 11 Zf Friedrichshafen Ag
#24 Derek F. Lahr 10 General Motors
#25 Norihiro Tsukamoto 10 Toyota
#26 Chunhao J. Lee 9 General Motors
#27 Ching-Hui Yen 9 Syncmold Enterprise
#28 Hideyuki Inoue 9 Eagle Industry Co.
#29 Junji Murata 9 Jtekt
#30 Keiichi Chiba 9 Eagle Industry Co.
#31 Kim Ngoc Vu 9 Vistadeltek
#32 Larry A. Pritchard 9 Borgwarner
#33 Masaki WAJIMA 9 Aisin Aw Co.
#34 Peter C. Williams 9 Swagelok
#35 Shigeo Kamamoto 9 Jtekt
#36 Tomohiro Asami 9 Toyota
#37 Yuki Shishihara 9 Jtekt
#38 Carsten Ohr 8 Schaeffler
#39 Drew A. Crafton 8 Allison Transmission
#40 Hiroyuki Amano 8 Toyota
#41 Koji Sato 8 Ntn
#42 Larry W. Kiest, Jr. 8 Lmk Technologies
#43 Mark A. Clason 8 Swagelok
#44 Roel Verhoog 8 Valeo Embrayages
#45 Tadashi Saito 8 Mazda Motor
#46 Yuya Tachibanada 8 Honda Motor Co.
#47 Yuichiro Tokunaga 8 Eagle Industry Co.
#48 Charles B. Lohr 7 Fallbrook Intellectual Property Company
#49 Eun Sik Kim 7 Hyundai Motor
#50 Galus Chelaidite 7 Akebono Brake Industry Co.
#51 Glen C. Parker 7 Federal-Mogul Motorparts
#52 Hiroki Nagai 7 Toyota
#53 Il Han Yoo 7 Hyundai Motor
#54 Jair J. Gonzalez 7 Us Synthetic
#55 Jae Joon Lee 7 Hyundai Motor
#56 Jeffrey Hartman 7 Unknown
#57 Kazuhiro Itou 7 Aisin Aw Co.
#58 Martin Brehmer 7 Zf Friedrichshafen Ag
#59 Marion Jack Ince 7 Schaeffler
#60 Manabu Sasahara 7 Mazda Motor
#61 Markus Steinberger 7 Schaeffler
#62 Noboru Takizawa 7 Harmonic Drive Systems
#63 Shuhei Horita 7 Fujifilm
#64 Takao Sakamoto 7 Tachikawa Spring Co.
#65 Woo Jin Chang 7 Hyundai Motor
#66 Yutaka Ishikawa 7 Honda Motor Co.
#67 Andreas Forster 6 Zf Friedrichshafen Ag
#68 Andrii Pydin 6 Honda Motor Co.
#69 Ayumu Sagawa 6 Toyota
#70 Brad P. Pohl 6 Fallbrook Intellectual Property Company
#71 Cal R. Brown 6 Swagelok
#72 Christopher T. Anglin 6 RTX (Raytheon)
#73 Chengwu Duan 6 General Motors
#74 Christian Sibla 6 Zf Friedrichshafen Ag
#75 Dongxu Li 6 General Motors
#76 Guihui Zhong 6 Schaeffler
#77 Hiroshi Isono 6 Toyota
#78 Hiroyasu Tanaka 6 Kabushiki Kaisha Toshiba
#79 James M. Hart 6 General Motors
#80 Jun Handa 6 Harmonic Drive Systems
#81 Ju Hyeon Park 6 Hyundai Motor
#82 Kenneth E. Cooper 6 Dana Automotive Systems Group
#83 Kenji Kiryu 6 Eagle Industry Co.
#84 Mario Meggiolan 6 Campagnolo S.R.L.
#85 Masato Yoshino 6 Sumitomo Electric Industries
#86 Mitchell Irving 6 Allison Transmission
#87 Michael Tjader 6 Tt Technologies
#88 Motoki Tabuchi 6 Toyota
#89 Padelis Katsaros 6 Aktiebolaget Skf
#90 Paul J. Valente 6 American Axle & Manufacturing
#91 Robert E. Smith, III 6 National Coupling Company
#92 Stephan Maienschein 6 Schaeffler
#93 Sung Hyun Cho 6 Hyundai Motor
#94 Takahide Saito 6 Ntn
#95 Tatsuro Sugiyama 6 Ntn
#96 Trenton Frank Jackson 6 Fisher Controls International
#97 Yasuhiko Ishii 6 Jtekt
#98 Yoshimichi Higashiyama 6 Jtekt
#99 Yoshihide Kiyosawa 6 Harmonic Drive Systems
#100 Yong Uk Shin 6 Hyundai Motor

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Hyundai Motor 218
2 Schaeffler 166
3 Kia Motors 163
#4 Toyota 154
#5 Ford 132
#6 General Motors 110
#7 Honda Motor Co. 101
#8 Zf Friedrichshafen Ag 100
#9 Aktiebolaget Skf 85
#10 The Boeing 71
#11 Ntn 69
#12 RTX (Raytheon) 63
#13 Jtekt 61
#14 Borgwarner 60
#15 GE 56
#16 Unknown 55
#17 Hamilton Sundstrand 53
#18 Aisin Aw Co. 45
#19 Allison Transmission 39
#20 Robert Bosch Gmbh 39
#21 Valeo Embrayages 37
#22 Nissan Motor Co. 36
#23 Exedy 31
#24 Rolls-Royce Plc 31
#25 John Deere 31
#26 Jatco 30
#27 Fisher Controls International 29
#28 Nsk 29
#29 Goodrich 28
#30 Mitsubishi Electric 28
#31 Nok 28
#32 Caterpillar 27
#33 Mahle International Gmbh 26
#34 Eagle Industry Co. 24
#35 Audi Ag 23
#36 Illinois Tool Works 23
#37 Denso 22
#38 Hitachi Automotive Systems 22
#39 Eaton Intelligent Power Limited 21
#40 Akebono Brake Industry Co. 20
#41 Parker-Hannifin 20
#42 Shimano 20
#43 Mueller International 18
#44 Mazda Motor 17
#45 Thk Co. 17
#46 Kyb 16
#47 Airbus Operations Limited 15
#48 Aisin Seiki Kabushiki Kaisha 15
#49 Cameron International 15
#50 Cnh Industrial America 15
#51 Emerson Process Management Regulator Technologies 15
#52 Thyssenkrupp Ag 15
#53 Honeywell 15
#54 Arvinmeritor Technology 14
#55 Bridgestone 14
#56 Dana Automotive Systems Group 14
#57 Dr. Ing. H.C. F. Porsche Ag 14
#58 Fox Factory 14
#59 Freni Brembo S.P.A. 14
#60 Harmonic Drive Systems 14
#61 Safran Aircraft Engines 14
#62 Fanuc 13
#63 Mandom 13
#64 Us Synthetic 13
#65 Fujikin Incorporated 12
#66 Halliburton Energy Services 12
#67 Hydro-Gear Limited Partnership 12
#68 Tsubakimoto Chain 12
#69 American Axle & Manufacturing 11
#70 BMW 11
#71 Bell Helicopter Textron 11
#72 Fallbrook Intellectual Property Company 11
#73 Ihi 11
#74 Saint-Gobain Performance Plastics 11
#75 Siemens Aktiengesellschaft 11
#76 Sikorsky Aircraft 11
#77 IBM 11
#78 Samsung 11
#79 Airbus Operations Sas 10
#80 Beijing West Industries Co. 10
#81 Bendix Spicer Foundation Brake 10
#82 Continental Automotive Gmbh 10
#83 Dayco Ip Holdings 10
#84 Firestone Industrial Products Company 10
#85 Gkn Automotive Limited 10
#86 Hilti Aktiengesellschaft 10
#87 Jaguar Land Rover Limited 10
#88 Kongsberg Automotive Ab 10
#89 Mitsuboshi Belting 10
#90 Riken 10
#91 Showa 10
#92 Steering Solutions Ip Holding 10
#93 Sumitomo Riko Company Limited 10
#94 Swagelok 10
#95 Sz Dji Osmo Technology Co. 10
#96 Baker Hughes Holdings 9
#97 Campagnolo S.R.L. 9
#98 Daido Metal Company 9
#99 Fca Us Llc. 9
#100 Federal-Mogul Motorparts 9