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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 601 patents in 2001.peak 6011996: 482 patents19961997: 511 patents1998: 539 patents1999: 530 patents19992000: 546 patents2001: 601 patents2002: 560 patents20022003: 444 patents2004: 389 patents2005: 298 patents20052006: 291 patents2007: 257 patents2008: 250 patents20082009: 253 patents2010: 358 patents2011: 395 patents20112012: 397 patents2013: 365 patents2014: 385 patents20142015: 287 patents2016: 288 patents2017: 290 patents20172018: 277 patents2019: 286 patents2020: 322 patents20202021: 282 patents2022: 297 patents2023: 279 patents20232024: 299 patents2025: 277 patents2025

Top Inventors

Rank Inventor Patents Primary Company
1 Charles Stuart Everett 26 Eastman Chemical
2 Kenny Randolph Parker 26 Eastman Chemical
3 Melvin Glenn Mitchell 26 Eastman Chemical
#4 Koushik Ghosh 21 Eastman Chemical
#5 Mounir Izallalen 21 Eastman Chemical
#6 Kevin Joseph Vogt 7 Kimberly-Clark Worldwide
#7 Lynda Ellen Collins 7 Kimberly-Clark Worldwide
#8 Byrd Tyler Miller, IV 6 First Quality Tissue
#9 James E. Sealey, II 6 First Quality Tissue
#10 Kaj Backfolk 6 Stora Enso Oyj
#11 Isto Heiskanen 5 Stora Enso Oyj
#12 John Allen Manifold 5 The Procter & Gamble
#13 Mark William Sachs 5 Kimberly-Clark Worldwide
#14 Christopher Steven LeCount 4 Kimberly-Clark Worldwide
#15 Esa Saukkonen 4 Stora Enso Oyj
#16 Jeffrey Glen Sheehan 4 The Procter & Gamble
#17 Marc Paul Begin 4 First Quality Tissue
#18 Mark Alan Burazin 4 Kimberly-Clark Worldwide
#19 Matti Hietaniemi 4 Kemira Oyj
#20 Steven Parker 4 Westrock Mwv
#21 Yuki OGUCHI 4 Seiko Epson
#22 Asko Karppi 3 Kemira Oyj
#23 Christopher Lee Satori 3 Kimberly-Clark Worldwide
#24 David Robert Skuse 3 Fiberlean Technologies Limited
#25 Douglas Jay Barkey 3 The Procter & Gamble
#26 Harshad Pande 3 Domtar Paper Company
#27 James Michael Singer 3 The Procter & Gamble
#28 Jeffrey A. Lee 3 Gpcp Ip Holdings
#29 Jiebin Pang 3 Westrock Mwv
#30 John Leslie Brent, Jr. 3 The Procter & Gamble
#31 Juan Cecchini 3 Kemira Oyj
#32 Justin S. Pence 3 First Quality Tissue
#33 Kazuma MIYAZAWA 3 Seiko Epson
#34 Kaneo Yoda 3 Seiko Epson
#35 Khosrow Parviz Mohammadi 3 The Procter & Gamble
#36 Masahide Nakamura 3 Seiko Epson
#37 Naotaka Higuchi 3 Seiko Epson
#38 Natasha G. Melton 3 Westrock Mwv
#39 Paul Dennis Trokhan 3 The Procter & Gamble
#40 Richard Allen Zanon 3 Kimberly-Clark Worldwide
#41 Shigemi Wakabayashi 3 Seiko Epson
#42 Taras Z. Andrukh 3 Structured I
#43 Tetsuya Aoyama 3 Seiko Epson
#44 Uwe Koeckritz 3 Voith Patent Gmbh
#45 Angela Marie Leimbach 2 The Procter & Gamble
#46 Antti Poikolainen 2 Metso Paper
#47 Bruno Marcoccia 2 Ahlstrom Machinery
#48 Brandon Moore 2 K2M
#49 Brian J. Schuh 2 Georgia-Pacific
#50 Christoph Hamers 2 Basf Se
#51 Chen Lu 2 Kemira Oyj
#52 Daniel Gronych 2 Voith Patent Gmbh
#53 David Warren Loebker 2 The Procter & Gamble
#54 Devon Gaynelle Curley 2 Kimberly-Clark Worldwide
#55 Dieter Becker 2 Felix Schoeller Jr. Foto-Und Spezialpapiere Gmbh & Co. Kg
#56 Emi Shigyo 2 Miyoshi Oil & Fat Co.
#57 Erin Ann McCormick 2 Kimberly-Clark Worldwide
#58 Federico Cariolaro 2 Unknown
#59 Francois Lambert 2
#60 Hiroyuki Okumura 2 Fujisawa Pharmaceutical Co.
#61 Jason Daniel Hanke 2 Kimberly-Clark Worldwide
#62 Jeffrey Dean Holz 2 Kimberly-Clark Worldwide
#63 Jens Kallenberg 2 Voith Patent Gmbh
#64 Jenna Sue Rabideau 2 Kemira Oyj
#65 Jingyi Nie 2 Shaanxi University Of Science And Technology
#66 Jouni Matula 2 Wetend Technologies Oy
#67 Jochen Schlegel 2 Mitsubishi Hitec Paper Europe Gmbh
#68 Junhua Chen 2 Pixelworks
#69 Katja Lyytikäinen 2 Stora Enso Oyj
#70 Karthik Ramaratnam 2 First Quality Tissue
#71 Karl-Johan Tolfsson 2 Valmet Aktiebolag
#72 Kevin Ward 2 Weavexx
#73 Kiyoshi Tsujino 2 Seiko Epson
#74 Konstantinos Kalessios 2 Mitsubishi Hitec Paper Europe Gmbh
#75 Koji Ninagawa 2 Nippon Paper Industries Co.
#76 Marc Erkelenz 2 Voith Patent Gmbh
#77 Masatoshi Oishi 2 Nippon Paper Industries Co.
#78 Marion Sterner 2 Bp Europack S.P.A.
#79 Masato Takayama 2 Nippon Paper Industries Co.
#80 Michael Straub 2 Voith Patent Gmbh
#81 Michael D. Wishneski 2 Georgia-Pacific
#82 Nadia El-Karzazi 2 Mitsubishi Hitec Paper Europe Gmbh
#83 Nathan John Vogel 2 Kimberly-Clark Worldwide
#84 Nina Miikki 2 Stora Enso Oyj
#85 Paul Thomas Weisman 2 The Procter & Gamble
#86 Per Svending 2 Fiberlean Technologies Limited
#87 Richard Louis Underhill 2 Kimberly-Clark Worldwide
#88 Ryan Dominic Maladen 2 The Procter & Gamble
#89 Ryo Sotooka 2 Nippon Paper Industries Co.
#90 Sarah Ann Funk 2 Kimberly-Clark Worldwide
#91 Sara Jane Wille Stabelfeldt 2
#92 Shisei Goto 2 Nippon Paper Industries Co.
#93 Sherif Shawki Zaki Hindi 2 King Abdulaziz University
#94 Shuta Yasui 2 Daio Paper
#95 Soichiro Seo 2 Seiko Epson
#96 Steven Lee Barnholtz 2 The Procter & Gamble
#97 Stephen Michael Lindsay 2 Kimberly-Clark Worldwide
#98 Steven R. Olson 2 Georgia-Pacific
#99 Takeo Izumiya 2 Nippon Paper Industries Co.
#100 Takayoshi Konishi 2 Unicharm

Top Companies

Rank Company Patents
1 Eastman Chemical 26
2 The Procter & Gamble 19
3 Seiko Epson 17
#4 Valmet Oy 17
#5 Kimberly-Clark Worldwide 16
#6 Voith Patent Gmbh 13
#7 Kemira Oyj 12
#8 Stora Enso Oyj 11
#9 Andritz 7
#10 Daio Paper 6
#11 Gpcp Ip Holdings 6
#12 International Paper 6
#13 Westrock Mwv 6
#14 Nippon Paper Industries Co. 4
#15 Domtar Paper Company 3
#16 Fiberlean Technologies Limited 3
#17 First Quality Tissue 3
#18 Huyck Licensco 3
#19 Structured I 3
#20 Ecolab Usa 2
#21 Footprint International 2
#22 King Abdulaziz University 2
#23 Mitsubishi Hitec Paper Europe Gmbh 2
#24 Miyoshi Oil & Fat Co. 2
#25 Oji Holdings 2
#26 Shaanxi University Of Science And Technology 2
#27 Solenis Technologies 2
#28 Unicharm 2
#29 Valmet Aktiebolag 2
#30 Aalto University Foundation Sr 1
#31 Albany International 1
#32 Andritz Fiedler Gmbh 1
#33 Arxada 1
#34 Auburn University 1
#35 Basf Se 1
#36 Billerudkorsnas Ab 1
#37 Btg Eclepens S.A. 1
#38 Cascades Canada Ulc 1
#39 Celwise Ab 1
#40 Centre Technique De L'Industrie Des Papiers, Cartons Et Celluloses 1
#41 Clean Chemistry 1
#42 Corelex Shin-Ei Co. 1
#43 Council Of Scientific And Industrial Research 1
#44 Daikin Industries 1
#45 Du Pont-Toray Co. 1
#46 Enterprises International 1
#47 Essity Hygiene And Health Aktiebolag 1
#48 First Quality Tissue Se 1
#49 Fpinnovations 1
#50 Granbio Intellectual Property Holdings 1
#51 Guangxi University 1
#52 Hansol Paper Co. 1
#53 Heimbach Gmbh 1
#54 Henkel Ag & Co. Kgaa 1
#55 HP 1
#56 Hosiden 1
#57 Hunan University 1
#58 Ibs Of America 1
#59 Institut Polytechnique De Grenoble 1
#60 Intpro 1
#61 Iogen 1
#62 Kadant 1
#63 Kuraray Co. 1
#64 Kurita Water Industries 1
#65 Licella Pty 1
#66 Miami University 1
#67 Mitsubishi Chemical 1
#68 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno 1
#69 Nutrition & Biosciences Usa 4 1
#70 Omya International Ag 1
#71 Organoclick Ab 1
#72 Paptic Oy 1
#73 Procemex Oy 1
#74 R.J. Reynolds Tobacco 1
#75 Shanghai Jiao Tong University 1
#76 Smart Planet Technologies 1
#77 Solaronics S.A. 1
#78 Sonoco Development 1
#79 South China University Of Technology 1
#80 Suzano S.A. 1
#81 Teijin Aramid B.V. 1
#82 Texmag Gmbh Vertriebsgesellschaft 1
#83 University Of Texas System 1
#84 Tohoku University 1
#85 Tokushu Tokai Paper Co. 1
#86 Tomoegawa 1
#87 Toppan Printing Co. 1
#88 Toray Industries 1
#89 Tronox 1
#90 United Arab Emirates University 1
#91 Unknown 1
#92 Upm-Kymmene 1
#93 Virdia 1
#94 Wetend Technologies Oy 1
#95 Toyota 1