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

Combustion engines Patent Leaders in 2022 2022

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 29 Ford
2 Frederick M. Schwarz 24 RTX (Raytheon)
3 Chris Paul Glugla 19 Ford
#4 Ricardo Rodriguez-Ramon 18 Bj Energy Solutions
#5 Ross Dykstra Pursifull 18 Ford
#6 Tony Yeung 18 Bj Energy Solutions
#7 Masanao Idogawa 17 Toyota
#8 Joseph Lyle Thomas 16 Ford
#9 Rani Kiwan 15 Ford
#10 Xiaogang Zhang 15 Ford
#11 Akihiro Katayama 14 Canon
#12 Daniel Bernard Kupratis 14 RTX (Raytheon)
#13 William G. Sheridan 13 RTX (Raytheon)
#14 Gabriel L. Suciu 12 RTX (Raytheon)
#15 Masashi Inaba 12 Denso
#16 Hitoki Sugimoto 11 Toyota
#17 Joseph B. Staubach 10 RTX (Raytheon)
#18 Kazuki SUGIE 10 Toyota
#19 Kian McCaldon 10 RTX (Raytheon)
#20 Michel Bousquet 10 RTX (Raytheon)
#21 Michiel J. Van Nieuwstadt 10 Ford
#22 Naoya OKA 10 Toyota
#23 Richard Freer 10 RTX (Raytheon)
#24 Takahiro Uchida 10 Toyota
#25 Timothy Gormley 10 Rohr
#26 Yuta Oshiro 10 Toyota
#27 Brandon Wayne Miller 9 GE
#28 Jason A. Ryon 9 Delavan
#29 J. Steven Kolhouse 9 Cummins
#30 Joseph Foster 9 Bj Energy Solutions
#31 Louis J. Serrano 9 Tula Etechnology
#32 Michael Damian Czekala 9 Ford
#33 André Fortin 8 RTX (Raytheon)
#34 Atsushi Inoue 8 Mazda Motor
#35 Brad Alan VanDerWege 8 Ford
#36 Gary D. Roberge 8 RTX (Raytheon)
#37 Lev Alexander Prociw 8 Delavan
#38 Masanari Sueoka 8 Mazda Motor
#39 Michael E. McCune 8 RTX (Raytheon)
#40 Takuya Ohura 8 Mazda Motor
#41 Tin Cheung John Hu 8 RTX (Raytheon)
#42 Toru Miyamoto 8 Seiko Epson
#43 Tomohiro Nishida 8 Mazda Motor
#44 Yuji Harada 8 Mazda Motor
#45 Yusuke Kawai 8 Mazda Motor
#46 Yuki Nose 8 Toyota
#47 Adrien Louis Simon 7 Safran Transmission Systems
#48 David Oshinsky 7 Ford
#49 Daiki Yamazaki 7 Honda Motor Co.
#50 Eric Matthew Kurtz 7 Ford
#51 Fredrik Rahm 7 Volvo Truck
#52 Hiroyuki Fukuda 7 Fujitsu Limited
#53 Hidekazu Hironobu 7 Honda Motor Co.
#54 Hirokatsu Yamamoto 7 Makita
#55 Jean-Charles Michel Pierre Di Giovanni 7 Safran Transmission Systems
#56 John Eric Rollinger 7 Ford
#57 Keiji Maruyama 7 Mazda Motor
#58 Kota Matsumoto 7 Mazda Motor
#59 Masahiro Kachi 7 Toyota
#60 Masatoshi Nakajima 7 Fanuc
#61 Mark Spruce 7 Rolls-Royce Plc
#62 Reiko Goh 7 Toyota
#63 Ryuichi Hata 7 Honda Motor Co.
#64 Ryohei Ono 7 Mazda Motor
#65 Tatsuhiro Tokunaga 7 Mazda Motor
#66 Thomas G. Leone 7 Ford
#67 Tomonori Urushihara 7 Mazda Motor
#68 Wesley K. Lord 7 RTX (Raytheon)
#69 Yosuke Hashimoto 7 Toyota
#70 Yuto Ikeda 7 Toyota
#71 Andrew Sanderson 6 Rolls-Royce North America
#72 Arne Andersson 6 Volvo Truck
#73 Bryan H. Lerg 6 Rolls-Royce North America
#74 Chandra S. Namuduri 6 General Motors
#75 Clayton Stuart Cooper 6 GE
#76 David Menheere 6 RTX (Raytheon)
#77 Daniel Joseph Styles 6 Ford
#78 David L. Sutterfield 6 Rolls-Royce North America
#79 Eric Lee Schroeder 6 Caterpillar
#80 Heejoong Jang 6 LG
#81 Jeffrey Douglas Rambo 6 GE
#82 Keita Arai 6 Mazda Motor
#83 Kosuke Kato 6 Denso
#84 Lubomir A. Ribarov 6 Hamilton Sundstrand
#85 Nobuaki Ito 6 Seiko Epson
#86 Pascal Gardes 6 Airbus Operations Sas
#87 Philipe F. Saad 6 Cummins
#88 Predrag Todorovic 6 Rolls-Royce Deutschland
#89 Roger Khami 6 Ford
#90 Shikui Kevin Chen 6 Tula Etechnology
#91 Steve Williams 6 K&N Engineering
#92 Steven Wooldridge 6 Ford
#93 Takanobu Gotoh 6 Toyota
#94 Toshiaki Iwa 6 Eagle Industry Co.
#95 Vijay Srinivasan 6 Advanced Liquid Logic
#96 Yohsuke Hashimoto 6 Toyota
#97 Yoshihiro Ogawa 6 Canon
#98 Yohei Suganuma 6 Denso
#99 Yodai Yamaguchi 6 Mazda Motor
#100 Yusuke Sato 6 Eagle Industry Co.

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 228
2 Ford 184
3 Toyota 124
#4 GE 109
#5 Rolls-Royce Plc 82
#6 Caterpillar 79
#7 Denso 77
#8 Hyundai Motor 63
#9 Honda Motor Co. 58
#10 Cummins 54
#11 Kia Motors 46
#12 Hitachi Astemo 45
#13 Mazda Motor 44
#14 Vitesco Technologies Gmbh 43
#15 Safran Aircraft Engines 42
#16 Robert Bosch Gmbh 38
#17 Volvo Truck 37
#18 Mitsubishi Electric 35
#19 General Motors 28
#20 Borgwarner 27
#21 Hamilton Sundstrand 26
#22 Rolls-Royce North America 24
#23 Rohr 23
#24 Airbus Operations Sas 22
#25 Aisan Kogyo Kabushiki Kaisha 20
#26 Tula Etechnology 20
#27 Honeywell 19
#28 Bj Energy Solutions 18
#29 Kia 17
#30 Safran Nacelles 17
#31 Delphi Technologies Ip Limited 16
#32 Mitsubishi Heavy Industries Engine & Turbocharger 16
#33 Walbro 16
#34 Safran Transmission Systems 15
#35 BMW 14
#36 Garrett Transportation I 14
#37 Rolls-Royce Deutschland 14
#38 Transportation Ip Holdings 14
#39 John Deere 14
#40 Volkswagen 13
#41 Siemens Energy Global 12
#42 Briggs & Stratton 11
#43 Mitsubishi Power 11
#44 Nissan Motor Co. 11
#45 Hyundai Kefico 10
#46 Mahle International Gmbh 10
#47 Saudi Arabian Oil 10
#48 Woodward 10
#49 Subaru 9
#50 The Boeing 9
#51 Unknown 9
#52 LG 9
#53 Avl List Gmbh 8
#54 Continental Automotive Gmbh 8
#55 Dr. Ing. H.C. F. Porsche Ag 8
#56 Kohler 8
#57 Schaeffler 8
#58 Yanmar Power Technology Co. 8
#59 Andreas Stihl Ag & Co. Kg 7
#60 Delavan 7
#61 Eaton Intelligent Power Limited 7
#62 Ihi 7
#63 K&N Engineering 7
#64 Perkins Engines Company Limited 7
#65 Achates Power 6
#66 Continental Automotive France 6
#67 Eagle Industry Co. 6
#68 Kawasaki 6
#69 Safran Helicopter Engines 6
#70 Textron Innovations 6
#71 Unison Industries 6
#72 8 Rivers Capital 5
#73 Bombardier Recreational Products 5
#74 Brunswick 5
#75 Daf Trucks N.V. 5
#76 Daimler Ag 5
#77 Holley Performance Products 5
#78 Toyota Industries 5
#79 Kubota 5
#80 Liebherr-Components Deggendorf Gmbh 5
#81 Mikuni 5
#82 Polaris Industries 5
#83 Champion Power Equipment 4
#84 Dayco Ip Holdings 4
#85 Denso International America 4
#86 Dolphin N2 Limited 4
#87 Fca Us Llc. 4
#88 Goodrich Actuation Systems Limited 4
#89 Hitachi Automotive Systems 4
#90 Ice Thermal Harvesting 4
#91 Iwis Motorsysteme 4
#92 Mainspring Energy 4
#93 Malta 4
#94 Man Energy Solutions Se 4
#95 Mann+Hummel Gmbh 4
#96 Plastic Omnium Advanced Innovation And Research 4
#97 Rocket Lab Usa 4
#98 Rolls-Royce Solutions, Gmbh 4
#99 Scania Cv Ab 4
#100 Tenneco Automotive Operating Company 4