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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Hand tools

Hand tools Patent Leaders in 2021 2021

Primary CPC class B25 · Section B

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 2,592 patents in 2025.peak 2,5921996: 630 patents19961997: 577 patents1998: 779 patents1999: 873 patents19992000: 1,007 patents2001: 998 patents2002: 885 patents20022003: 845 patents2004: 808 patents2005: 824 patents20052006: 1,013 patents2007: 849 patents2008: 695 patents20082009: 575 patents2010: 804 patents2011: 870 patents20112012: 1,051 patents2013: 1,250 patents2014: 1,171 patents20142015: 1,303 patents2016: 1,281 patents2017: 1,408 patents20172018: 1,340 patents2019: 1,575 patents2020: 1,857 patents20202021: 1,869 patents2022: 2,186 patents2023: 2,239 patents20232024: 2,408 patents2025: 2,592 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Youjun Xiong 24 Ubtech Robotics Corp
2 Rosen Nikolaev Diankov 17 Mujin
3 Joshua Aaron Lessing 12 Soft Robotics
#4 Ryan Knopf 12 Soft Robotics
#5 Jianxin Pang 10 Ubtech Robotics Corp
#6 Daniel Vincent Harburg 8 Soft Robotics
#7 Daniel J. White 8 Black & Decker
#8 Kaname Hayashi 8 Groove X
#9 Matthew J. Velderman 8 Black & Decker
#10 Joseph Romano 7 Berkshire Grey Operating Company
#11 Paul Kukucka 7 Grip Holdings
#12 Sami Haddadin 7 Franka Emika Gmbh
#13 Thomas Stefan Kukucka 7 Grip Holdings
#14 Thomas Wagner 7 Berkshire Grey Operating Company
#15 Andrew E. Seman, Jr. 6 Black & Decker
#16 Christopher Geyer 6 Berkshire Grey Operating Company
#17 Daniel Smith 6 Berkshire Grey Operating Company
#18 Gene Temple Price 6 Berkshire Grey Operating Company
#19 Hiroshi Isobe 6 Ntn
#20 Kevin Ahearn 6 Berkshire Grey Operating Company
#21 Kyle Maroney 6 Berkshire Grey Operating Company
#22 Masanori Furusawa 6 Makita
#23 Martin Hosek 6 Persimmon Technologies
#24 Matthew T. Mason 6 Berkshire Grey Operating Company
#25 Michael Dawson-Haggerty 6 Berkshire Grey Operating Company
#26 Prasanna Velagapudi 6 Berkshire Grey Operating Company
#27 Siddhartha Srinivasa 6 Berkshire Grey Operating Company
#28 Thomas Allen 6 Berkshire Grey Operating Company
#29 Thomas Koletschka 6 Berkshire Grey Operating Company
#30 Xutao Ye 6 Mujin
#31 Haruka Fujii 5 Omron
#32 Hajime Suzuki 5 —
#33 Junichi Matsuoka 5 Kawasaki
#34 Kazutaka Nakayama 5 Fanuc
#35 Kaoru Takeuchi 5 Seiko Epson
#36 Mark Chiappetta 5 Irobot
#37 Matthew J. Mergener 5 Milwaukee Electric Tool
#38 Masafumi Ooba 5 Fanuc
#39 Ryunosuke Kumagai 5 Makita
#40 Stuart E. Garber 5 Black & Decker
#41 Steven W. Hyma 5 Milwaukee Electric Tool
#42 Takeshi Kojima 5 Honda Motor Co.
#43 Tobias Herr 5 Robert Bosch Gmbh
#44 Tokuo HIRABAYASHI 5 Makita
#45 Toshihiko Inoue 5 Fanuc
#46 Yukio Iwasaki 5 Kawasaki
#47 Akira Mizutani 4 Seiko Epson
#48 Akane Nakashima 4 Omron
#49 Alberto Moel 4 Veo Robotics
#50 Andrew D. Van Hoorn 4 Milwaukee Electric Tool
#51 Benjamin Holson 4 X Development
#52 Chih-Ching Hsieh 4 Kabo Tool
#53 Clara Vu 4 Veo Robotics
#54 Daniel Frank Parks, II 4 Invia Robotics
#55 Dominik Schmidt 4 Intel
#56 Eli Reekmans 4 X Development
#57 Emiko Ishida 4 Kabushiki Kaisha Toshiba
#58 Felipe De Arruda Camargo Polido 4 Amazon
#59 Hajime Nakahara 4 Kawasaki
#60 Heiko Roehm 4 Robert Bosch Gmbh
#61 Hiroshi Nakagawa 4 Hosiden
#62 Hiromasa Takahashi 4 Hitachi
#63 Hirokatsu Yamamoto 4 Makita
#64 Huan Tan 4 GE
#65 Jens Blum 4 Robert Bosch Gmbh
#66 Jeff Curhan 4 Soft Robotics
#67 Jeffrey Curhan 4 Soft Robotics
#68 Jing-Li Wang 4 Apex Mfg. Co.
#69 John D. Cox 4 Black & Decker
#70 Juergen Gairing 4 Robert Bosch Gmbh
#71 Kaimeng Wang 4 Fanuc
#72 Kevin Alcedo 4 Soft Robotics
#73 Kendra Byrne 4 X Development
#74 Kennosuke Hayashi 4 Omron
#75 Kotaro SEKINE 4 Seiko Epson
#76 Lior Elazary 4 Invia Robotics
#77 Lifu Zhang 4 Ubtech Robotics Corp
#78 Lvhai Hu 4 Tyco Electronics (Shanghai) Co.
#79 Masayuki Kamon 4 Kawasaki
#80 Marek Michalowski 4 X Development
#81 Marc Strauss 4 X Development
#82 Masaya Yoshida 4 Kawasaki
#83 Michael J. Baker 4 Softwear Automation
#84 Michael Rosenstein 4 Applied Materials
#85 Michael J. Zimmermann 4 Milwaukee Electric Tool
#86 Mrinal Kalakrishnan 4 X Development
#87 Naoki FUJIOKA 4 Fanuc
#88 Naoki Marui 4 Ntn
#89 Norbert Heeb 4 Hilti Aktiengesellschaft
#90 Patrick Sobalvarro 4 Veo Robotics
#91 Randolph Charles Voorhies 4 Invia Robotics
#92 Richard Mahoney 4 Seismic Holdings
#93 Samir Menon 4 Dexterity
#94 Scott Denenberg 4 Veo Robotics
#95 Shiquan Wang 4 Flexiv
#96 Takuya OWA 4 Seiko Epson
#97 Tilo Dittrich 4 Hilti Aktiengesellschaft
#98 Wenhua Fan 4 Ubtech Robotics Corp
#99 William C. Flannigan 4 Southwest Research Institute
#100 Yoshinobu Goto 4 Ngk Insulators

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Fanuc 82
2 Seiko Epson 55
3 Milwaukee Electric Tool 45
#4 X Development 42
#5 Black & Decker 37
#6 Makita 31
#7 Toyota 28
#8 Kawasaki 27
#9 Robert Bosch Gmbh 27
#10 Ubtech Robotics Corp 24
#11 Canon 21
#12 Yaskawa Electric 20
#13 Hilti Aktiengesellschaft 19
#14 The Boeing 19
#15 Mujin 18
#16 Abb Schweiz Ag 17
#17 LG 17
#18 Amazon 16
#19 Soft Robotics 16
#20 Illinois Tool Works 15
#21 Koki Holdings Co. 15
#22 Honda Motor Co. 14
#23 Omron 14
#24 Kabushiki Kaisha Toshiba 12
#25 Max Co. 12
#26 Sony 12
#27 Unknown 11
#28 Panasonic 11
#29 Boston Dynamics 10
#30 Kuka Deutschland Gmbh 10
#31 IBM 10
#32 RTX (Raytheon) 10
#33 Mitsubishi Electric 9
#34 Snap-On Incorporated 9
#35 Groove X 8
#36 Caterpillar 8
#37 Apex Mfg. Co. 7
#38 Berkshire Grey 7
#39 GE 7
#40 Delaware Capital Formation 6
#41 Delta Electronics 6
#42 Grip Holdings 6
#43 Hitachi 6
#44 Irobot 6
#45 Ntn 6
#46 Siemens Aktiengesellschaft 6
#47 Tti (Macao Commercial Offshore) Limited 6
#48 Ford 6
#49 Andreas Stihl Ag & Co. Kg 5
#50 Denso Wave Incorporated 5
#51 Hyundai Motor 5
#52 Intuitive Surgical 5
#53 Kia Motors 5
#54 MIT 5
#55 Persimmon Technologies 5
#56 Tata Consultancy Services Limited 5
#57 Disney 5
#58 General Motors 5
#59 Atlas Copco Industrial Technique Ab 4
#60 Brooks Automation Gmbh 4
#61 Cmr Surgical Limited 4
#62 Dexterity 4
#63 Flexiv 4
#64 Franka Emika Gmbh 4
#65 Furukawa Rock Drill Co. 4
#66 Hangzhou Great Star Industrial Co. 4
#67 Intrinsic Innovation 4
#68 Invia Robotics 4
#69 Kabo Tool 4
#70 Kawasaki Robotics (Usa) 4
#71 Kindred Systems 4
#72 Kyocera Senco Industrial Tools 4
#73 Medicaroid 4
#74 Mitutoyo 4
#75 Olympus 4
#76 Positec Power Tools (Suzhou) Co. 4
#77 Softwear Automation 4
#78 Techtronic Cordless Gp 4
#79 Tyco Electronics (Shanghai) Co. 4
#80 Veo Robotics 4
#81 Google 4
#82 Samsung 4
#83 AT&T 3
#84 Ai Incorporated 3
#85 Arizona Board Of Regents For And On Behalf Of Arizona State University 3
#86 Basso Industry 3
#87 Cognex 3
#88 Festo Se & Co. Kg 3
#89 Fetch Robotics 3
#90 Fuji 3
#91 Hangzhou Great Star Tools Co. 3
#92 ITRI 3
#93 Ingersoll-Rand Industrial U.S. 3
#94 Jabil 3
#95 Klein Tools 3
#96 Nanjing Chervon Industry Co. 3
#97 Nidec 3
#98 Nitto Kohki Co. 3
#99 Okuma 3
#100 Pao Shen Enterprises Co. 3