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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Control systems

Control systems Patent Leaders in 2019 2019

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 Satoshi Ikai 13 Fanuc
#5 Colin Billings 12 Edison Labs
#6 Angela S. Bassa 11 Enel X North America
#7 Husain Al-Mohssen 11 Enel X North America
#8 Joseph W. Forbes, Jr. 11 Causam Energy
#9 Sarbajit K. Rakshit 11 IBM
#10 Elizabeth J. Main 10 Enel X North America
#11 Jackie O. Jordan, II 10 State Farm
#12 Bryan R. Nussbaum 9 State Farm
#13 David I. Ferguson 9 Google
#14 David Turrentine 9 State Farm
#15 Deanna L. Stockweather 9 State Farm
#16 Donald R. High 9 Walmart Apollo
#17 Ellakate Wagner 9 State Farm
#18 Gail L. Carlson 9 State Farm
#19 Jeffrey W. Stoiber 9 State Farm
#20 Jennylind Sun 9 State Farm
#21 John Donovan 9 State Farm
#22 Joseph P. Harr 9 State Farm
#23 John J. O'Brien 9 Walmart Apollo
#24 Kerstin Markwardt 9 State Farm
#25 Kyle C. Schiebel 9 State Farm
#26 Michael Harris, Jr. 9 State Farm
#27 Thomas Danaher Harvey 9 Lyft
#28 Torri Wollenschlager 9 State Farm
#29 Troy Winslow 9 State Farm
#30 Brian G. McHale 8 Walmart Apollo
#31 Joshua P. Switkes 8 Peloton Technology
#32 Martin G. Keen 8 IBM
#33 Robert L. Cantrell 8 Walmart Apollo
#34 Shougo Shinoda 8 Fanuc
#35 Stefan Nordbruch 8 Robert Bosch Gmbh
#36 Todd D. Mattingly 8 Walmart Apollo
#37 David C. Winkle 7 Walmart Apollo
#38 Ethan Zane Evans 7 Amazon
#39 Gary K. Law 7 Fisher-Rosemount Systems
#40 Hilliard Bruce Siegel 7 Amazon
#41 James E. Bostick 7 Kyndryl
#42 John M. Ganci, Jr. 7 IBM
#43 Junichi Tezuka 7 Fanuc
#44 Mark J. Nixon 7 Fisher-Rosemount Systems
#45 Michael J. Wenzel 7 Johnson Controls Technology
#46 Tadashi Okita 7 Fanuc
#47 Clifford A. Pickover 6 IBM
#48 Daniel R. Strinden 6 Fisher-Rosemount Systems
#49 Fan Zhu 6 Baidu Usa
#50 Hideki Heishi 6 Makino Milling Machine Co.
#51 Hideaki Maeda 6 Fanuc
#52 Hiroji Nishi 6 Fanuc
#53 Ian Rust 6 General Motors
#54 John P. Thompson 6 Walmart Apollo
#55 Julian K. Naidoo 6 Fisher-Rosemount Systems
#56 Kenichi Ono 6 Mitsubishi Electric
#57 Michael D. Atchley 6 Walmart Apollo
#58 Nathaniel Fairfield 6 Google
#59 Nathan G. Jones 6 Walmart Apollo
#60 Naoto Sonoda 6 Fanuc
#61 Pragyana K. Mishra 6 Amazon
#62 Rie Kawai 6 Makino Milling Machine Co.
#63 Richard R. Paradis 6 Enel X North America
#64 Tye Michael Brady 6 Amazon
#65 Anthony M. Fadell 5 Google
#66 Brian Douglas Cullinane 5 Google
#67 Darren Ernest Canavor 5 Amazon
#68 Deborah R. Colclazier 5 Fisher-Rosemount Systems
#69 Guang Yang 5 Nuctech Company Limited
#70 Hiromitsu Takahashi 5 Fanuc
#71 Jessica L. Korpela 5 Rockwell Automation
#72 Jimmie L. Snowbarger 5 Fisher Controls International
#73 Jingao Wang 5 Baidu Usa
#74 Joshua Seth Herbach 5 Google
#75 John F. Simon 5 Walmart Apollo
#76 Karl Iagnemma 5 Motional Ad
#77 Kenta Yamamoto 5 Fanuc
#78 Kirk H. Drees 5 Johnson Controls Technology
#79 Lingyun Wang 5 Siemens Aktiengesellschaft
#80 Qi Kong 5 Baidu Usa
#81 Robert C. Taylor 5 Walmart Apollo
#82 Stephen M. Erlien 5 Peloton Technology
#83 Timothy I. Salsbury 5 Johnson Controls Technology
#84 Tong Zhang 5 Hangzhou Zero Zero Technology Co.
#85 Wendy Chen 5 Enel X North America
#86 Yuuki Morita 5 Fanuc
#87 Adam Wilson 4 Misty Robotics
#88 Ali Ebrahimi Afrouzi 4 Ai Incorporated
#89 Ambreesh Bhattad 4 Dialog Semiconductor (Uk) Limited
#90 Benjamin Lutz 4 Siemens Aktiengesellschaft
#91 Carlos Felipe Alcala Perez 4 Johnson Controls Technology
#92 Cristopher Ian Sarmiento Uy 4 Fisher-Rosemount Systems
#93 David Sloo 4 Google
#94 David A. Vasko 4 Rockwell Automation
#95 Dong Pan 4 Micron
#96 Drew Gross 4 General Motors
#97 Fabio Rigoni 4 Dialog Semiconductor (Uk) Limited
#98 Frank Kronmueller 4 Dialog Semiconductor (Uk) Limited
#99 Gabriel Thurston Sibley 4 Verdant Robotics
#100 Gerrit Wolf 4 Siemens Aktiengesellschaft

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Fanuc 194
2 IBM 68
3 Siemens Aktiengesellschaft 66
#4 Honeywell 62
#5 GE 60
#6 Omron 48
#7 Mitsubishi Electric 47
#8 Rockwell Automation 42
#9 Amazon 36
#10 Toyota 35
#11 Google 34
#12 Samsung 34
#13 Panasonic 33
#14 General Motors 31
#15 The Boeing 29
#16 Ford 29
#17 Robert Bosch Gmbh 28
#18 Fisher-Rosemount Systems 26
#19 Johnson Controls Technology 22
#20 Kabushiki Kaisha Toshiba 22
#21 Intel 22
#22 Abb Schweiz Ag 21
#23 Hitachi 21
#24 Strong Force Iot Portfolio 2016 21
#25 Yokogawa Electric 21
#26 Texas Instruments 20
#27 Qualcomm 19
#28 Enel X North America 16
#29 Applied Materials 14
#30 Honda Motor Co. 14
#31 Makino Milling Machine Co. 14
#32 State Farm 14
#33 Caterpillar 14
#34 LG 14
#35 Ablic 13
#36 Fisher Controls International 13
#37 Hyundai Motor 13
#38 Uber Technologies 13
#39 BOE 13
#40 Dialog Semiconductor (Uk) Limited 12
#41 Edison Labs 12
#42 Nec 12
#43 Sikorsky Aircraft 12
#44 TSMC 12
#45 Apple 11
#46 Causam Energy 11
#47 Fujitsu Limited 11
#48 Lsis Co. 11
#49 Nxp B.V. 11
#50 Nxp Usa 11
#51 Walmart Apollo 11
#52 X Development 11
#53 Fuji 10
#54 Hamilton Sundstrand 10
#55 ITRI 10
#56 John Deere 10
#57 Sony 10
#58 Kla-Tencor 9
#59 Lyft 9
#60 Siemens Industry 9
#61 Sk Hynix 9
#62 Sz Dji Technology Co. 9
#63 Zoox 9
#64 Disney 9
#65 Ademco 8
#66 Aptiv Technologies Ag 8
#67 Dell Products 8
#68 Globalfoundries 8
#69 Irobot 8
#70 Mitsubishi Electric 8
#71 Peloton Technology 8
#72 onsemi 8
#73 Somfy Sas 8
#74 Unknown 8
#75 Volkswagen 8
#76 Canon 8
#77 Micron 8
#78 Microsoft 8
#79 Baidu Usa 7
#80 Kia Motors 7
#81 Kyocera 7
#82 Lutron Technology Company 7
#83 RTX (Raytheon) 7
#84 Airbus Operations Sas 6
#85 Aurora Flight Sciences 6
#86 Denso 6
#87 Dmg Mori Co. 6
#88 Festo Ag & Co. Kg 6
#89 Fujifilm Business Innovation 6
#90 Fu Tai Hua Industry (Shenzhen) Co. 6
#91 Foxconn 6
#92 Husqvarna Ab 6
#93 Infineon Technologies Ag 6
#94 Yaskawa Electric 6
#95 Kitty Hawk 6
#96 Schneider Electric Usa 6
#97 Sharp Kabushiki Kaisha 6
#98 United Microelectronics 6
#99 Lam Research 6
#100 Accenture Global Solutions Limited 5