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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 605 patents in 1998.peak 6051996: 571 patents19961997: 550 patents1998: 605 patents1999: 564 patents19992000: 479 patents2001: 569 patents2002: 549 patents20022003: 541 patents2004: 554 patents2005: 377 patents20052006: 395 patents2007: 392 patents2008: 375 patents20082009: 370 patents2010: 508 patents2011: 522 patents20112012: 539 patents2013: 535 patents2014: 509 patents20142015: 473 patents2016: 431 patents2017: 435 patents20172018: 445 patents2019: 450 patents2020: 525 patents20202021: 463 patents2022: 466 patents2023: 549 patents20232024: 552 patents2025: 589 patents2025

Top Inventors

Rank Inventor Patents Primary Company
1 Doo Young Kim 5 Samsung
2 Lance E. Brothers 5 Halliburton Energy Services
3 Chang Hoon Kim 4 Samsung
#4 Jozef Bicerano 4 Sun Drilling Products
#5 Michel Pasquier 4 Vicat
#6 Olivier Citti 4 Saint-Gobain Ceramics & Plastics
#7 Rahul Chandrakant Patil 4 Halliburton Energy Services
#8 Robin A. Carden 4 Alyn
#9 Sandip Prabhakar Patil 4 Halliburton Energy Services
#10 Seok Hyun Yoon 4 Samsung
#11 Thomas Jason Pisklak 4 Halliburton Energy Services
#12 Daniel Edward McCauley 3 Corning Incorporated
#13 Dean Paul Forgeron 3 Carboncure Technologies
#14 Eric Jorge 3 Saint-Gobain Centre De Recherches Et D'Etudes Europeen
#15 Frank A. Jimenez 3 James R. Glidewell Dental Ceramics
#16 Galal Fares 3 King Saud University
#17 George Sean Monkman 3 Carboncure Technologies
#18 Guy Beauvent 3 Vicat
#19 Hiroyuki Fujisaki 3 Tosoh
#20 Joshua Jeremy Brown 3 Carboncure Technologies
#21 Katsumi Okamura 3 Sumitomo Electric Hardmetal
#22 Kiyotaka Kawamura 3 Tosoh
#23 Kyriacos Agapiou 3 Halliburton Energy Services
#24 Michael Schinabeck 3 Construction Research & Technology Gmbh
#25 Mohammad Iqbal Khan 3 King Saud University
#26 Ramesh Muthusamy 3 Halliburton Energy Services
#27 Sandor Koszo 3 Vecor Ip Holdings Limited
#28 Thomas C. Valenti 3 James R. Glidewell Dental Ceramics
#29 Tushar Sureshgiri Gosavi 3 Halliburton Energy Services
#30 Wolfram Franke 3 Yara International Asa
#31 Yosuke Sato 3 Ngk Insulators
#32 Adam L. Chamberlain 2
#33 Alessandro Dal Bo 2 Construction Research & Technology Gmbh
#34 Aleksander J. Pyzik 2 Dow Global Technologies
#35 Andrew S. Hansen 2 Roman Cement
#36 Andrea L. Kazmierczak 2 Saint-Gobain Ceramics & Plastics
#37 Andrew J. Lazur 2
#38 Andrew Saab 2 US Air Force
#39 Anne Sauveroche 2 Herakles
#40 Atsushi Kaneda 2 Ngk Insulators
#41 Bryan J. McEntire 2 Sintx Technologies
#42 Carine Bienvenu 2 Rolex Sa
#43 Christopher Raymond Glose 2 Corning Incorporated
#44 Christopher John Warren 2 Corning Incorporated
#45 David K. Bower 2 Basf Se
#46 Dinesh Medpelli 2 Arizona State University
#47 Dong-Kyun Seo 2 Samsung
#48 Edward K. Rice 2 Pkl
#49 Eric Bouillon 2 Safran Ceramics
#50 Evelyn M. DeLiso 2 Corning Incorporated
#51 Fahad M. Al-Mutlaq 2 Saudi Basic Industries
#52 Gerald D. Boydston 2 Certainteed Gypsum
#53 Gilles Rossiquet 2 Saint-Gobain Centre De Recherches Et D'Etudes Europeen
#54 Grit Grote 2 Dow Global Technologies
#55 Harald Grassl 2 Construction Research & Technology Gmbh
#56 Harald Harmuth 2 Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse
#57 Hardy Herold 2 Wacker Chemie Ag
#58 Helge Jansen 2 Refratechnik Holding Gmbh
#59 Hitoshi Sumiya 2 Sumitomo Electric Industries
#60 Jacques Thebault 2 Societe Europenne De Propulsion
#61 Jerome Chevalier 2 Ivoclar Vivadent Ag
#62 Jianguo Wang 2 Huawei
#63 Joshua V. Brien 2
#64 John M. Guynn 2 Roman Cement
#65 Julien P. Fourcade 2 Saint-Gobain Ceramics & Plastics
#66 Kazuhiro Ikeda 2 Sumitomo Electric Industries
#67 Kazumi MASE 2 Ngk Insulators
#68 Katsuko Yamamoto 2 Sumitomo Electric Industries
#69 Kevin Cail 2 Carboncure Technologies
#70 Kohei Imai 2 Tosoh
#71 Koji Tsukuma 2 Tosoh
#72 Laury Barnes-Davin 2 Vicat
#73 Lei Zhao 2
#74 Luc Nicoleau 2 Construction Research & Technology Gmbh
#75 Matthew Laskoski 2 US Air Force
#76 Monika Backhaus-Ricoult 2 Corning Incorporated
#77 Mohsen BEN HAHA 2 Heidelbergcement Ag
#78 Mohammed A. Binhussain 2 King Abdulaziz City For Science And Technology
#79 Nabil Nahas 2 Saint-Gobain Ceramics & Plastics
#80 Pascal Meric 2 Vicat
#81 Pauline Akinyi Otieno 2 Halliburton Energy Services
#82 Paul J. Sandberg 2 Carboncure Technologies
#83 Patrick David Tepesch 2 Corning Incorporated
#84 Peter Boul 2 Saudi Arabian Oil
#85 Randall P. Bright 2 Laticrete International
#86 Ramaswamy Lakshminarayanan 2 American Regent
#87 Romeo Ilarian Ciuperca 2
#88 Robert Flatt 2 Sika Technology Ag
#89 Robert J. Hauber 2 Certainteed Gypsum
#90 Ronnie Glen Morgan 2 Halliburton Energy Services
#91 Robert H. Negri 2 United States Gypsum
#92 Ryan M. Bock 2 Sintx Technologies
#93 Sabine Gschiel 2 Refractory Intellectual Property
#94 Saori Takeda 2 Tdk
#95 Shehab Eldin Mohamed Mourad 2 King Saud University
#96 Song Je Jeon 2 Samsung
#97 Sonja Scharlemann 2 Dow Global Technologies
#98 Stefan Friedrich 2 Basf Se
#99 Steffen Wache 2 Construction Research & Technology Gmbh
#100 Surendra P. Shah 2 Northwestern University

Top Companies

Rank Company Patents
1 Corning Incorporated 20
2 Ngk Insulators 12
3 Halliburton Energy Services 10
#4 Construction Research & Technology Gmbh 9
#5 Dow Global Technologies 9
#6 Saint-Gobain Centre De Recherches Et D'Etudes Europeen 7
#7 Tdk 7
#8 CNRS 6
#9 Herakles 5
#10 Sika Technology Ag 5
#11 Tosoh 5
#12 Samsung 5
#13 Baker Hughes Holdings 4
#14 Basf Se 4
#15 James R. Glidewell Dental Ceramics 4
#16 Lafarge 4
#17 Nichia 4
#18 Sun Drilling Products 4
#19 United States Gypsum 4
#20 Vicat 4
#21 Wacker Chemie Ag 4
#22 RTX (Raytheon) 4
#23 3M 3
#24 Applied Materials 3
#25 Carboncure Technologies 3
#26 King Saud University 3
#27 Murata Manufacturing Co. 3
#28 Rolls-Royce Plc 3
#29 Schlumberger Technology 3
#30 Sumitomo Electric Hardmetal 3
#31 Vecor Ip Holdings Limited 3
#32 Yara International Asa 3
#33 Akzo Nobel N.V. 2
#34 American Regent 2
#35 Arizona State University 2
#36 Certainteed Gypsum 2
#37 Ciments Francais 2
#38 CEA 2
#39 Heidelbergcement Ag 2
#40 Ibiden Co. 2
#41 Italcementi S.P.A. 2
#42 Ivoclar Vivadent Ag 2
#43 James Hardie Technology Limited 2
#44 Kabushiki Kaisha Toshiba 2
#45 King Abdulaziz City For Science And Technology 2
#46 Laticrete International 2
#47 Louisiana Tech Research 2
#48 MIT 2
#49 Mitsubishi Materials 2
#50 Northwestern University 2
#51 Pkl 2
#52 Refractory Intellectual Property 2
#53 Refratechnik Holding Gmbh 2
#54 Rolex Sa 2
#55 Roman Cement 2
#56 Saint-Gobain Ceramics & Plastics 2
#57 Saint-Gobain Placo Sas 2
#58 Saudi Basic Industries 2
#59 Snecma 2
#60 Sumitomo Electric Industries 2
#61 Sumitomo Osaka Cement Co. 2
#62 Taiheiyo Cement 2
#63 University of California 2
#64 Toda Kogyo 2
#65 Toshiba Materials Co. 2
#66 US Air Force 2
#67 Unknown 2
#68 Yoshino Gypsum Co. 2
#69 Canon 2
#70 GE 2
#71 Honeywell 2
#72 Aac Technologies Pte. 1
#73 Active Minerals International 1
#74 Advanced Ceramic Fibers 1
#75 Advanced Technologies 1
#76 Aesculap Ag 1
#77 Agrana Stärke Gmbh 1
#78 Applied Specialties 1
#79 Aquasmart Enterprises 1
#80 University Of Arizona 1
#81 Arris Technologies 1
#82 Asahi Glass Co. 1
#83 Aspen Aerogels 1
#84 Atraverda Limited 1
#85 Basf Construction Polymers Gmbh 1
#86 Basf Construction Solutions Gmbh 1
#87 Beijing University Of Chemical Technology 1
#88 Biomason 1
#89 Bnz Materials 1
#90 University Of Nebraska 1
#91 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College 1
#92 Michigan State University 1
#93 Board Of Trustees Of Southern Illinois University 1
#94 Bridgestone 1
#95 Byk-Chemie Gmbh 1
#96 Calderys France 1
#97 Caltech 1
#98 Ceradyne 1
#99 Ceramtec Gmbh 1
#100 Ceratech 1