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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Combustion engines

Combustion engines Patent Leaders in 2020 2020

Primary CPC class F02 · 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 3,504 patents in 2019.peak 3,5041996: 1,278 patents19961997: 1,294 patents1998: 1,623 patents1999: 1,588 patents19992000: 1,833 patents2001: 2,148 patents2002: 2,201 patents20022003: 2,266 patents2004: 2,345 patents2005: 2,128 patents20052006: 2,254 patents2007: 1,917 patents2008: 1,769 patents20082009: 1,537 patents2010: 1,983 patents2011: 1,884 patents20112012: 2,141 patents2013: 2,425 patents2014: 2,430 patents20142015: 2,568 patents2016: 2,849 patents2017: 3,158 patents20172018: 3,451 patents2019: 3,504 patents2020: 3,262 patents20202021: 2,935 patents2022: 2,624 patents2023: 2,145 patents20232024: 1,924 patents2025: 1,530 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Aed M. Dudar 41 Ford
2 Frederick M. Schwarz 35 RTX (Raytheon)
3 Gabriel L. Suciu 34 RTX (Raytheon)
#4 Gopichandra Surnilla 25 Ford
#5 Masanari Sueoka 23 Mazda Motor
#6 Atsushi Inoue 21 Mazda Motor
#7 William G. Sheridan 21 RTX (Raytheon)
#8 Joseph Norman Ulrey 20 Ford
#9 Brian D. Merry 17 RTX (Raytheon)
#10 Andre Julien 16 RTX (Raytheon)
#11 Andreas Kuske 16 Ford
#12 Ross Dykstra Pursifull 16 Ford
#13 Jean Thomassin 15 RTX (Raytheon)
#14 Keiji Maruyama 15 Mazda Motor
#15 Michael E. McCune 15 RTX (Raytheon)
#16 Kota Matsumoto 14 Mazda Motor
#17 Jonathan W. Anders 13 Caterpillar
#18 Mohannad Hakeem 13 Ford
#19 Takuya Ohura 13 Mazda Motor
#20 Tatsuhiro Tokunaga 13 Mazda Motor
#21 Tomohiro Nishida 13 Mazda Motor
#22 Dong Hee Han 12 Hyundai Motor
#23 Franz Arnd Sommerhoff 12 Ford
#24 Yusuke Kawai 12 Mazda Motor
#25 Bobby John 11 Caterpillar
#26 Christopher Paul Glugla 11 Ford
#27 Daisuke Tanaka 11 Canon
#28 Joerg Kemmerling 11 Ford
#29 Nathan Snape 11 RTX (Raytheon)
#30 Vanco Smiljanovski 11 Ford
#31 Daisaku Asanuma 10 Aisan Kogyo Kabushiki Kaisha
#32 Gary D. Roberge 10 RTX (Raytheon)
#33 Hanno Friederichs 10 Ford
#34 Helmut Matthias Kindl 10 Ford
#35 John Eric Rollinger 10 Ford
#36 Yuki Nose 10 Toyota
#37 Brad Alan Boyer 9 Ford
#38 Christian Winge Vigild 9 Ford
#39 Eiji Ikuta 9 Toyota
#40 Jeffrey Donald Clements 9 GE
#41 Joseph B. Staubach 9 RTX (Raytheon)
#42 Joseph Lyle Thomas 9 Ford
#43 Keiichi Myojo 9 Toyota
#44 Kenko Ujihara 9 Mazda Motor
#45 Masanao Idogawa 9 Toyota
#46 Michael Howard Shelby 9 Ford
#47 Norihiro Hayashi 9 Denso
#48 Seungwoo Hong 9 Hyundai Motor
#49 Tomohiro Nakano 9 Toyota
#50 Tomonori Urushihara 9 Mazda Motor
#51 Yeongseop Park 9 Hyundai Motor
#52 Brandon Wayne Miller 8 GE
#53 Daniel Bernard Kupratis 8 RTX (Raytheon)
#54 Daniel Paul Madison 8 Ford
#55 Edwin Schulz 8 RTX (Raytheon)
#56 Graham Frank Howarth 8 Mra Systems
#57 Heechang Oh 8 Hyundai Motor
#58 Hong Zhang 8 Vitesco Technologies Gmbh
#59 Lev Alexander Prociw 8 Delavan
#60 Masayoshi Higashio 8 Mazda Motor
#61 Naotoshi Shirahashi 8 Mazda Motor
#62 Ryo KUSAKABE 8 Hitachi Automotive Systems
#63 Tetsuya Chikada 8 Mazda Motor
#64 William K. Ackermann 8 RTX (Raytheon)
#65 Xiaogang Zhang 8 Ford
#66 Yuichiro Tsumura 8 Mazda Motor
#67 Adam Nathan Banker 7 Ford
#68 Alan Roy Stuart 7 GE
#69 Amey Y. Karnik 7 Ford
#70 Andrew Michael Roach 7 Mra Systems
#71 Baitao Xiao 7 Ford
#72 Bruno Villeneuve 7 RTX (Raytheon)
#73 Choo Saeng Choi 7 Hyundai Motor
#74 Eric Matthew Kurtz 7 Ford
#75 Jesse M. Chandler 7 RTX (Raytheon)
#76 Jong Il Park 7 Hyundai Motor
#77 Kenneth James Miller 7 Ford
#78 Mohammed El Hacin Sennoun 7 GE
#79 Nikolaus Spyra 7 Innio Jenbacher Gmbh & Co Og
#80 Norihisa Nakagawa 7 Toyota
#81 Nobuyuki Satake 7 Toyota
#82 Robert M. Campion 7 Caterpillar
#83 Satoshi Usui 7 Hitachi Automotive Systems
#84 Takeshi Matsubara 7 Mazda Motor
#85 Thomas G. Leone 7 Ford
#86 Thomas Ory Moniz 7 GE
#87 Tyler Kelly 7 Ford
#88 Wesley K. Lord 7 RTX (Raytheon)
#89 Adam Edgar Klingbeil 6 GE
#90 Akimitsu Sugiura 6 Denso
#91 Atsunori Okabayashi 6 Denso
#92 Boris Karpman 6 RTX (Raytheon)
#93 Bon Chang Koo 6 Hyundai Motor
#94 Chandra S. Namuduri 6 General Motors
#95 Douglas Raymond Martin 6 Ford
#96 Eiji Murase 6 Toyota
#97 Elario Dino Dalmas, II 6 Quest Engines
#98 Ethan D. Sanborn 6 Ford
#99 Hua Zhang 6 GE
#100 Hyungbok Lee 6 Hyundai Motor

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 284
2 Ford 264
3 Toyota 196
#4 Hyundai Motor 132
#5 Kia Motors 127
#6 GE 127
#7 Denso 103
#8 Mazda Motor 91
#9 Caterpillar 72
#10 Honda Motor Co. 67
#11 General Motors 57
#12 Robert Bosch Gmbh 55
#13 Hitachi Automotive Systems 53
#14 Rolls-Royce Plc 53
#15 Cummins 46
#16 Vitesco Technologies Gmbh 46
#17 Continental Automotive Gmbh 45
#18 Mitsubishi Electric 37
#19 Aisan Kogyo Kabushiki Kaisha 31
#20 Safran Aircraft Engines 28
#21 Volvo Truck 26
#22 Delphi Technologies Ip Limited 25
#23 Hamilton Sundstrand 25
#24 Rohr 24
#25 Mitsubishi Heavy Industries Engine & Turbocharger 23
#26 Rolls-Royce North America 23
#27 The Boeing 21
#28 Innio Jenbacher Gmbh & Co Og 19
#29 Transportation Ip Holdings 19
#30 Volkswagen 19
#31 Fca Us Llc. 18
#32 Mitsubishi Hitachi Power Systems 18
#33 Nissan Motor Co. 18
#34 Yanmar Holdings Co. 18
#35 Garrett Transportation I 17
#36 BMW 16
#37 Tenneco Automotive Operating Company 16
#38 Avl List Gmbh 15
#39 Continental Automotive France 15
#40 Subaru 15
#41 Woodward 15
#42 Airbus Operations Sas 14
#43 Mahle International Gmbh 14
#44 Borgwarner 13
#45 Kubota 12
#46 Siemens Aktiengesellschaft 12
#47 Unknown 12
#48 Honeywell 12
#49 Andreas Stihl Ag & Co. Kg 11
#50 Kawasaki 11
#51 Mann+Hummel Gmbh 11
#52 Briggs & Stratton 10
#53 Hyundai Kefico 10
#54 Mitsubishi Motors 10
#55 Mra Systems 10
#56 Mtu Friedrichshafen Gmbh 10
#57 Ihi 9
#58 Kohler 9
#59 Tula Etechnology 9
#60 Westport Power 9
#61 Aisin Seiki Kabushiki Kaisha 8
#62 Delavan 8
#63 Doosan Heavy Industries & Construction Co. 8
#64 Dr. Ing. H.C. F. Porsche Ag 8
#65 Isuzu Motors Limited 8
#66 Saudi Arabian Oil 8
#67 Scania Cv Ab 8
#68 Unison Industries 8
#69 Arianegroup Sas 7
#70 Denso International America 7
#71 Eco Holding 1 Gmbh 7
#72 Goodrich Actuation Systems Limited 7
#73 Ifp Energies Nouvelles 7
#74 KFUPM 7
#75 K&N Engineering 7
#76 Man Truck &Bus Ag 7
#77 Polaris Industries 7
#78 Rolls-Royce Deutschland 7
#79 Schaeffler 7
#80 Southwest Research Institute 7
#81 Walbro 7
#82 John Deere 7
#83 Delphi Automotive Systems Luxembourg Sa 6
#84 Hyundai Autron Co. 6
#85 Nichia 6
#86 Pierburg Gmbh 6
#87 Powerphase 6
#88 Safran Helicopter Engines 6
#89 Safran Nacelles 6
#90 Achates Power 5
#91 Aerojet Rocketdyne 5
#92 Bombardier Recreational Products 5
#93 Enplas 5
#94 Toyota Industries 5
#95 Mitsubishi Aircraft 5
#96 Quest Engines 5
#97 ExxonMobil 5
#98 Ai Alpine Us Bidco 4
#99 Aircelle 4
#100 Ansaldo Energia Switzerland Ag 4