{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Technologies", "item": "https://www.patentleaderboard.com/technologies"}, {"@type": "ListItem", "position": 3, "name": "Control systems", "item": "https://www.patentleaderboard.com/technology/control-systems"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Control systems

Control systems Patent Leaders in 2020 2020

Primary CPC class G05 · Section G

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 3,447 patents in 2019.peak 3,4471996: 765 patents19961997: 747 patents1998: 965 patents1999: 1,008 patents19992000: 961 patents2001: 1,042 patents2002: 1,064 patents20022003: 1,162 patents2004: 1,204 patents2005: 1,096 patents20052006: 1,432 patents2007: 1,150 patents2008: 1,003 patents20082009: 1,107 patents2010: 1,362 patents2011: 1,382 patents20112012: 1,431 patents2013: 1,641 patents2014: 1,743 patents20142015: 1,864 patents2016: 1,987 patents2017: 2,322 patents20172018: 2,669 patents2019: 3,447 patents2020: 3,327 patents20202021: 3,043 patents2022: 3,219 patents2023: 3,183 patents20232024: 2,961 patents2025: 2,979 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Charles Howard Cella 21 Strong Force Iot Portfolio 2016
2 Gerald William Duffy, Jr. 21 Strong Force Iot Portfolio 2016
3 Jeffrey P. McGuckin 21 Strong Force Iot Portfolio 2016
#4 Jiangtao Hu 14 Baidu Usa
#5 Yifei Jiang 14 Baidu Usa
#6 Angela S. Bassa 12 Enel X North America
#7 Daniel R. Strinden 12 Fisher-Rosemount Systems
#8 Husain Al-Mohssen 12 Enel X North America
#9 Liangliang Zhang 12 Baidu Usa
#10 Dong Li 11 Baidu Usa
#11 Gary K. Law 11 Fisher-Rosemount Systems
#12 Mark J. Nixon 11 Fisher-Rosemount Systems
#13 Satoshi Ikai 10 Fanuc
#14 Youjun Xiong 10 Ubtech Robotics Corp
#15 Kazunori Iijima 9 Fanuc
#16 Amnon Shashua 8 Intel
#17 David R. Denison 8 Fisher-Rosemount Systems
#18 Elizabeth J. Main 8 Enel X North America
#19 Godfrey R. Sherriff 8 Fisher-Rosemount Systems
#20 Joseph W. Forbes, Jr. 8 Causam Energy
#21 Julian K. Naidoo 8 Fisher-Rosemount Systems
#22 Liu Liu 8 Ntt Docomo
#23 Michael J. Wenzel 8 Johnson Controls Technology
#24 Shai Shalev-Shwartz 8 Intel
#25 Shaked Shammah 8 Intel
#26 Wutu Lin 8 Tusimple
#27 Xing Sun 8 Tusimple
#28 Cristopher Ian Sarmiento Uy 7 Fisher-Rosemount Systems
#29 Gideon Stein 7 Intel
#30 Haoyang Fan 7 Baidu Usa
#31 Mehul Desai 7 Strong Force Iot Portfolio 2016
#32 Qi Kong 7 Baidu Usa
#33 Qi Luo 7 Baidu Usa
#34 Tadashi Okita 7 Fanuc
#35 Yufei Zhao 7 Tusimple
#36 Akira Kanemaru 6 Fanuc
#37 Anthony M. Fadell 6 Google
#38 David I. Ferguson 6 Google
#39 Douglas J. Reichard 6 Rockwell Automation
#40 Fan Zhu 6 Baidu Usa
#41 Guang Yang 6 Nuctech Company Limited
#42 Ian G. Horn 6 Uop
#43 Jiaming Tao 6 Baidu Usa
#44 Joshua Seth Herbach 6 Google
#45 Kai-Chieh Ma 6 Tusimple
#46 Matthew J. Ellis 6 Johnson Controls Tyco Ip Holdings Llp
#47 Matthew Lee Rogers 6 Google
#48 Richard R. Paradis 6 Enel X North America
#49 Timothy I. Salsbury 6 Johnson Controls Technology
#50 Weicheng Zhu 6 Baidu Usa
#51 Youngchoon Park 6 Johnson Controls Technology
#52 Yuuki Morita 6 Fanuc
#53 Zijie Xuan 6 Tusimple
#54 Ali Ebrahimi Afrouzi 5 Ai Incorporated
#55 Axel H. Henning 5 Omax
#56 Bijan Sayyarrodsari 5 Rockwell Automation
#57 Brian Douglas Cullinane 5 Google
#58 Clifford A. Pickover 5 IBM
#59 Darrell L. Vincent 5 Breathablebaby
#60 Erick Michael Lavoie 5 Ford
#61 Gaobo Huang 5 Ubtech Robotics Corp
#62 Hao Song 5 Pony Ai
#63 Jiajun Zhu 5 Google
#64 Jun Peng 5 Pony Ai
#65 Kenneth A. Abeloe 5 Apex Artificial Intelligence Industries
#66 Larry O. Jundt 5 Fisher-Rosemount Systems
#67 Larry W. Vincent 5 Loctite
#68 Lingyun Wang 5 Siemens Aktiengesellschaft
#69 Mandar Vartak 5 Honeywell
#70 Nathaniel Fairfield 5 Google
#71 Naoto Sonoda 5 Fanuc
#72 Paul Richard Muston 5 Fisher-Rosemount Systems
#73 Prashant Joshi 5 Fisher-Rosemount Systems
#74 Ryosuke FUJIMURA 5 Omron
#75 Sarbajit K. Rakshit 5 IBM
#76 Tiancheng Lou 5 Pony Ai
#77 Tong Zhang 5 Hangzhou Zero Zero Technology Co.
#78 Upali P. Mudalige 5 General Motors
#79 Wenyan Jiang 5 Haoxiang Electric Energy (Kunshan) Co.
#80 Xiang Yu 5 Pony Ai
#81 Yajia Zhang 5 Baidu Usa
#82 Yu Tian 5 Shanghai Autoflight Co.
#83 Adam Wilson 4 Misty Robotics
#84 Alvin Chou 4 Gecko Robotics
#85 Alexander B. Smith 4 Rockwell Automation
#86 Ang Liu 4 Sz Dji Technology Co.
#87 Asahi Matsui 4 Omron
#88 Barry George Dean 4 Patroness
#89 Balaji Sunil Kumar 4 Wipro Limited
#90 Ben Kearns 4 Stem
#91 Benjamin Lutz 4 Siemens Aktiengesellschaft
#92 Bryan R. Nussbaum 4 State Farm
#93 Cary Leen 4 Honeywell
#94 Christopher James Hazard 4 Diveplane
#95 Chad Alan Morton 4 Scentair Technologies
#96 Charles M. Rischar 4 Rockwell Automation
#97 Daniel Pohl 4 Intel
#98 Dan Alan Preston 4 Eagle Harbor Holdings
#99 David Sloo 4 Google
#100 David Turrentine 4 State Farm

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Fanuc 147
2 IBM 62
3 Siemens Aktiengesellschaft 60
#4 Toyota 51
#5 Honeywell 47
#6 Omron 44
#7 Rockwell Automation 44
#8 Intel 44
#9 Johnson Controls Technology 43
#10 Google 43
#11 The Boeing 42
#12 Mitsubishi Electric 39
#13 GE 38
#14 Samsung 36
#15 Fisher-Rosemount Systems 34
#16 Ford 30
#17 Texas Instruments 29
#18 Honda Motor Co. 28
#19 Panasonic 28
#20 Baidu Usa 27
#21 Amazon 26
#22 Robert Bosch Gmbh 25
#23 General Motors 25
#24 Strong Force Iot Portfolio 2016 21
#25 LG 21
#26 Uatc 20
#27 Qualcomm 20
#28 Hitachi 19
#29 Abb Schweiz Ag 16
#30 Ademco 16
#31 Sz Dji Technology Co. 16
#32 Yokogawa Electric 16
#33 Enel X North America 15
#34 X Development 14
#35 Sony 14
#36 HP 13
#37 Hyundai Motor 13
#38 Kabushiki Kaisha Toshiba 13
#39 Kia Motors 13
#40 Hamilton Sundstrand 12
#41 State Farm 12
#42 TSMC 12
#43 Unknown 12
#44 Canon 12
#45 Micron 12
#46 Apple 11
#47 Applied Materials 11
#48 Ablic 11
#49 ITRI 11
#50 Lutron Technology Company 11
#51 Mitsubishi Electric 11
#52 Autodesk 10
#53 Denso 10
#54 Ubtech Robotics Corp 10
#55 Komatsu 9
#56 Nec 9
#57 John Deere 9
#58 Alarm.Com Incorporated 8
#59 Analog Devices International Unlimited 8
#60 Fujitsu Limited 8
#61 KAIST 8
#62 Rohm Co. 8
#63 Safran Aircraft Engines 8
#64 Stmicroelectronics Sa 8
#65 Textron Innovations 8
#66 Tusimple 8
#67 Accenture Global Solutions Limited 7
#68 Autel Robotics Co. 7
#69 Dell Products 7
#70 Fuji 7
#71 Schneider Electric Usa 7
#72 onsemi 7
#73 Sikorsky Aircraft 7
#74 Tencent 7
#75 Uop 7
#76 Zoox 7
#77 Aptiv Technologies Ag 6
#78 Aurora Flight Sciences 6
#79 Causam Energy 6
#80 Fisher Controls International 6
#81 Horiba Stec, Co. 6
#82 Husqvarna Ab 6
#83 Kubota 6
#84 Lapis Semiconductor Co. 6
#85 Lenovo (Singapore) Pte. 6
#86 Lsis Co. 6
#87 Midea Group Co. 6
#88 Nxp Usa 6
#89 Saudi Arabian Oil 6
#90 Schlumberger Technology 6
#91 Seiko Epson 6
#92 Vivint 6
#93 RTX (Raytheon) 6
#94 Ai Incorporated 5
#95 Airbus Operations Sas 5
#96 Apex Artificial Intelligence Industries 5
#97 Crown Equipment 5
#98 Denso International America 5
#99 Dialog Semiconductor (Uk) Limited 5
#100 Ememory Technology 5