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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

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 342 patents in 2020.peak 3421996: 154 patents19961997: 149 patents1998: 184 patents1999: 209 patents19992000: 205 patents2001: 270 patents2002: 246 patents20022003: 227 patents2004: 228 patents2005: 201 patents20052006: 200 patents2007: 178 patents2008: 159 patents20082009: 162 patents2010: 154 patents2011: 175 patents20112012: 162 patents2013: 244 patents2014: 228 patents20142015: 250 patents2016: 258 patents2017: 316 patents20172018: 291 patents2019: 328 patents2020: 342 patents20202021: 331 patents2022: 267 patents2023: 202 patents20232024: 215 patents2025: 230 patents2025

Top Inventors

Rank Inventor Patents Primary Company
1 Noboru Iida 6 Sumitomo Electric Industries
2 Teruo Akiyama 6 Komatsu
3 Koji Saito 5 Taiyo Yuden Co.
#4 Robert P. O'Hara 5 Woodward
#5 George M. Whitesides 4 Harvard University
#6 Joseph H. Kim 4 Woodward
#7 Masayuki Nakamura 4 Hitachi
#8 Pawel A. Sobolewski 4 Woodward
#9 Shahbaz H. Hydari 4 Woodward
#10 Woo Yong Jung 4 Doosan Infracore Co.
#11 Hiroshi Funato 3 Kyb
#12 Kenneth W. Junk 3 Fisher Controls International
#13 Lukas Krittian 3 Linde Hydraulics Gmbh & Co. Kg
#14 Takeshi Terao 3 Kyb
#15 Takayuki Watanabe 3 Canon
#16 Yong Lak Cho 3 Doosan Infracore Co.
#17 Alfred Anthony Rizzi 2 Boston Dynamics
#18 A Reum SEO 2 Doosan Infracore Co.
#19 Andrea Bersani 2 Magneti Marelli S.P.A.
#20 Dal Sik Jang 2 Doosan Infracore Co.
#21 Daniel Sawchuk 2 Canada Pipeline Accessories Company
#22 Davide Scotto 2 Bottero S.P.A.
#23 Dian YANG 2 Harvard University
#24 Eric C. Hughes 2 Caterpillar
#25 Fabio Basiglio 2 Bottero S.P.A.
#26 Garrett Maurer 2 Parker-Hannifin
#27 Hans-Martin Giese 2 Lucas Automotive Gmbh
#28 Haruhiko Kawasaki 2 Kayaba Industry Co.
#29 Hayato Tsutsui 2 Showa
#30 Hea-Gyoon Joung 2 Volvo Construction Equipment Ab
#31 Hiroshi Ishii 2 Ricoh Company
#32 Jean-Romain Bihel 2 Airbus Helicopters
#33 Jeffrey L. Kuehn 2 Caterpillar
#34 Jeremy T. Peterson 2 Caterpillar
#35 Jianmin Liao 2 The Boeing
#36 Jifei Ou 2 MIT
#37 John Aaron Saunders 2 Boston Dynamics
#38 Juri Shimizu 2 Hitachi Construction Machinery Co.
#39 Kazushige Mori 2 Hitachi Construction Machinery Tierra Co.
#40 Kazuaki Murayama 2 Honda Motor Co.
#41 Keith Adams 2 GE
#42 Kenji Hiraku 2 Hitachi Construction Machinery Co.
#43 Kenji Oshima 2 Seiko Epson
#44 Kenji Sasano 2 Komatsu
#45 Kiwamu Takahashi 2 Hitachi Construction Machinery Tierra Co.
#46 Koji Yamashita 2 Mitsubishi Electric
#47 Larry M. Wilmot 2 Tk Holdings
#48 Lining Yao 2 MIT
#49 Lorenzo Armando 2 Bottero S.P.A.
#50 Luca Bovina 2 Magneti Marelli S.P.A.
#51 Luca MACAGNO 2 Bottero S.P.A.
#52 Matthew J. Beschorner 2 Caterpillar
#53 Masahiro Egawa 2 Kayaba Industry Co.
#54 Masanari Kojima 2 Kyb
#55 Mariko Mizuochi 2 Hitachi Construction Machinery Co.
#56 Marcello Ostorero 2 Bottero S.P.A.
#57 Min Ha An 2 Doosan Infracore Co.
#58 Natsuki Nakamura 2 Hitachi Construction Machinery Tierra Co.
#59 Peter Bruck 2 Hydac Fluidtechnik Gmbh
#60 Pengfei Ma 2 Caterpillar
#61 Philipp Hilzendegen 2 Hydac Fluidtechnik Gmbh
#62 Ralf Gomm 2 Parker-Hannifin
#63 Rachid Hammoud 2 Joyson Safety Systems Acquisition
#64 Raymond Hauser 2 Hydro-Gear Limited Partnership
#65 Reginald Selirio 2 Canada Pipeline Accessories Company
#66 Shiho Izumi 2 Hitachi Construction Machinery Co.
#67 Shingo Kishimoto 2 Hitachi Construction Machinery Tierra Co.
#68 Stefano Giorgini 2 Magneti Marelli Powertrain, S.P.A.
#69 Steven D. Potter 2 Boston Dynamics
#70 Takeshi Fujiwara 2 Kabushiki Kaisha Toshiba
#71 Takayuki Ogawa 2 Kyb
#72 Teppei SAITOH 2 Hitachi Construction Machinery Co.
#73 Thibaut Marger 2 Airbus Helicopters
#74 Torsten Petry 2 Lucas Automotive Gmbh
#75 Travis Kyle McEvoy 2 GE
#76 Yoshifumi Takebayashi 2 Hitachi Construction Machinery Tierra Co.
#77 Yong Ho Tho 2 Doosan Infracore Co.
#78 Zenon P. Szulyk 2 Woodward
#79 Louis Kocsis, Jr. 1
#80 Abiodun Okoya 1 Hamilton Sundstrand
#81 Achim Helbig 1 Moog
#82 Achim Voigt 1 Forschungszentrum Karlsruhe Gmbh
#83 Adam Nackers 1 Caterpillar
#84 Adam Stokes 1 Harvard University
#85 Ajit Kothadia 1
#86 Akinori Ishii 1 Hitachi Construction Machinery Co.
#87 Akira Sakai 1 Sharp Kabushiki Kaisha
#88 Aleksandra M. Egelja 1 Caterpillar
#89 Aleksandar Egelja 1 Caterpillar
#90 Allen Russell Gartman 1
#91 Alex Khripin 1 Boston Dynamics
#92 Alfred Langen 1 Linde Hydraulics Gmbh & Co. Kg
#93 Alain François Jean Lavie 1 Snecma
#94 Ali Mirbach 1 Gotohti.Com
#95 Alexandre Pantaine 1 Airbus Helicopters
#96 Alex Perkins 1 Boston Dynamics
#97 Alexander Slaza 1
#98 Amir Fazeli 1 Goodrich
#99 Amit Shah 1 IBM
#100 Andreas Bischoff 1 Continental Teves Ag & Co. Ohg

Top Companies

Rank Company Patents
1 Kyb 15
2 Caterpillar 13
3 Volvo Construction Equipment Ab 11
#4 Parker-Hannifin 8
#5 Woodward 8
#6 Doosan Infracore Co. 7
#7 The Boeing 7
#8 Komatsu 6
#9 Robert Bosch Gmbh 6
#10 Hitachi Construction Machinery Co. 5
#11 Smc 5
#12 Harvard University 4
#13 Google 4
#14 Fisher Controls International 3
#15 Hydac Fluidtechnik Gmbh 3
#16 Hydac Technology Gmbh 3
#17 Hydro-Gear Limited Partnership 3
#18 Kobelco Construction Machinery Co. 3
#19 Linde Hydraulics Gmbh & Co. Kg 3
#20 Tk Holdings 3
#21 Unknown 3
#22 Zf Friedrichshafen Ag 3
#23 John Deere 3
#24 GE 3
#25 Toyota 3
#26 Abb Schweiz Ag 2
#27 Actuant 2
#28 Advics Co. 2
#29 Airbus Helicopters 2
#30 Autoliv Nissin Brake Systems Japan Co. 2
#31 Bottero S.P.A. 2
#32 Canada Pipeline Accessories Company 2
#33 Cnh Industrial America 2
#34 Eaton 2
#35 Hamilton Sundstrand 2
#36 Hawe Hydraulik Se 2
#37 Hitachi Construction Machinery Tierra Co. 2
#38 Honda Motor Co. 2
#39 Kobe Steel 2
#40 Lucas Automotive Gmbh 2
#41 Magneti Marelli S.P.A. 2
#42 MIT 2
#43 Precision Planting 2
#44 Showa 2
#45 Voith Patent Gmbh 2
#46 Ford 2
#47 1994 Weyer Family Limited Partnership 1
#48 Advance Lifts 1
#49 Aerocontrolex Group 1
#50 Airbus Operations Limited 1
#51 Aisin Aw Co. 1
#52 Aldes Aeraulique 1
#53 Arburg Gmbh + Co Kg 1
#54 Audi Ag 1
#55 Borgwarner 1
#56 Bosch Rexroth 1
#57 Bwi (Shanghai) Co. 1
#58 Cameron International 1
#59 Carl Freudenberg Kg 1
#60 Claas Selbstfahrende Erntemaschinen Gmbh 1
#61 CEA 1
#62 Concentric Rockford 1
#63 Construction Tools Pc Ab 1
#64 Continental Teves Ag & Co. Ohg 1
#65 Crystaphase Products 1
#66 Danfoss Power Solutions 1
#67 Danfoss Power Solutions Aps 1
#68 Danieli & C. Officine Meccaniche S.P.A. 1
#69 Demolition And Recycling Equipment B.V. 1
#70 Denso 1
#71 Eagle Industry Co. 1
#72 Emerson Process Management Regulator Technologies 1
#73 Emerson Process Management Valve Automation 1
#74 Festo Ag & Co. Kg 1
#75 Firestone Industrial Products Company 1
#76 Flexibility Engineering 1
#77 Fluidigm 1
#78 Fujikin Incorporated 1
#79 General Fusion 1
#80 Georgia Tech Research 1
#81 Gotohti.Com 1
#82 Grundfos Holding A/S 1
#83 Habonim Industrial Valves & Actuators 1
#84 Hitachi Automotive Systems 1
#85 Husco International 1
#86 Hydraforce 1
#87 Hyundai Motor 1
#88 Illinois Tool Works 1
#89 Ingersoll-Rand 1
#90 Ipgate Ag 1
#91 Jarraff Industries 1
#92 Jatco 1
#93 John Bean Technologies 1
#94 Toyota Industries 1
#95 Karlsruher Institut Für Technologie 1
#96 Kawasaki 1
#97 Kcm 1
#98 Korea Pneumatic System Co. 1
#99 Kubota 1
#100 Liebherr-Aerospace Lindenberg Gmbh 1