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

Papermaking Patent Leaders in 2025 2025

Primary CPC class D21 · Section D

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 Jeffrey Glen Sheehan 9 The Procter & Gamble
2 Kaj Backfolk 9 Stora Enso Oyj
3 Clay Purdy 8 Fluid Energy Group
#4 Isto Heiskanen 8 Stora Enso Oyj
#5 Kyle G. Wynnyk 8 Sixring
#6 Markus Weissenberger 8 Dorf Ketal Chemicals Fze
#7 Douglas Jay Barkey 6 The Procter & Gamble
#8 James E. Sealey, II 6 First Quality Tissue
#9 John Allen Manifold 6 The Procter & Gamble
#10 Kevin Joseph Vogt 6 Kimberly-Clark Worldwide
#11 Markus Pagels 6 Sixring
#12 Paul Dennis Trokhan 6 The Procter & Gamble
#13 Florian Barth 5 Papacks Sales Gmbh
#14 Jukka Kankkunen 5 Stora Enso Oyj
#15 Mark William Sachs 5 Kimberly-Clark Worldwide
#16 Tahsin Dag 5 Papacks Sales Gmbh
#17 Anna Kauppi 4 Stora Enso Oyj
#18 Byrd Tyler Miller, IV 4 First Quality Tissue
#19 J. Michael Bills 4 The Procter & Gamble
#20 Katja Lyytikäinen 4 Stora Enso Oyj
#21 Takao Mikoshiba 4 Seiko Epson
#22 Asko Karppi 3 Kemira Oyj
#23 Francis P. Abuto 3 Kimberly-Clark Worldwide
#24 Harshad Pande 3 Domtar Paper Company
#25 James Michael Singer 3 The Procter & Gamble
#26 Jian Qin 3 Kimberly-Clark Worldwide
#27 John Leslie Brent, Jr. 3 The Procter & Gamble
#28 Juha Korvenniemi 3 Stora Enso Oyj
#29 Justin S. Pence 3 First Quality Tissue
#30 Marko Loijas 3 —
#31 Michael Gomer Stelljes 3 The Procter & Gamble
#32 Steven Lee Barnholtz 3 The Procter & Gamble
#33 Thomas Gerard Shannon 3 Kimberly-Clark Worldwide
#34 Ward William Ostendorf 3 The Procter & Gamble
#35 Xingxiang Ji 3 Qilu University Of Technology
#36 Ali Al Marzouqi 2 —
#37 Alexander Gscheider 2 Andritz
#38 Albertus Uil 2 —
#39 Anthony Paul Bankemper 2 The Procter & Gamble
#40 Angela Marie Leimbach 2 The Procter & Gamble
#41 Anneli Lepo 2 Kemira Oyj
#42 Atiya Jordan-Brown 2 The Procter & Gamble
#43 Bruno Marcoccia 2 Ahlstrom Machinery
#44 Charles W. Colman 2 Kimberly-Clark Worldwide
#45 Christopher L. Demler 2 Kadant Black Clawson
#46 Christopher Steven LeCount 2 Kimberly-Clark Worldwide
#47 Christopher Lee Satori 2 Kimberly-Clark Worldwide
#48 Christopher R. Tilton 2 Smart Planet Technologies
#49 Christopher Michael Young 2 The Procter & Gamble
#50 David Warren Loebker 2 The Procter & Gamble
#51 Daniel Parenteau 2 Kadant Black Clawson
#52 David John Paulson 2 Kimberly-Clark Worldwide
#53 David A. Pierce 2 Celwise Ab
#54 David Robert Skuse 2 Fiberlean Technologies Limited
#55 Devon Gaynelle Curley 2 Kimberly-Clark Worldwide
#56 Elizabeth Oriel Bradley 2 Kimberly-Clark Worldwide
#57 Erin Ann McCormick 2 Kimberly-Clark Worldwide
#58 Feng Ling 2 Cadence Design Systems
#59 Fei Wang 2 AMD
#60 Gang Cen 2 —
#61 Guisheng Yang 2 —
#62 Harald John Kuiper 2 Huhtamaki Molded Fiber Technology B.V.
#63 Jaakko Ekman 2 Kemira Oyj
#64 Jason Daniel Hanke 2 Kimberly-Clark Worldwide
#65 Jeffrey Dean Holz 2 Kimberly-Clark Worldwide
#66 Jingtao Chen 2 Huawei
#67 Jose Luiz Campos Souza 2 Voith Patent Gmbh
#68 Joshua Thomas Fung 2 The Procter & Gamble
#69 Jonathan Olszak 2 —
#70 Jukka Kotilainen 2 Upm-Kymmene
#71 Karl W. Dawson 2 Fluid Energy Group
#72 Katie Kristine Glass 2 The Procter & Gamble
#73 Kathryn Christian Kien 2 The Procter & Gamble
#74 Kevin M. Holtman 2 Gpcp Ip Holdings
#75 Kevin Mitchell 2 The Procter & Gamble
#76 Leszek Frackowiak 2 Industrial Video Solutions
#77 Lynda Ellen Collins 2 Kimberly-Clark Worldwide
#78 Marc Paul Begin 2 First Quality Tissue
#79 Mark Alan Burazin 2 Kimberly-Clark Worldwide
#80 Matti Hietaniemi 2 Kemira Oyj
#81 Marko Kolari 2 Kemira Oyj
#82 Matthew Gary McKee 2 The Procter & Gamble
#83 Makoto Suzuki 2 Brother Kogyo
#84 Mike Thomas Goulet 2 Kimberly-Clark Worldwide
#85 Mikael Hjerpe 2 Stora Enso Oyj
#86 Miles Leach 2 —
#87 Michel McKenzie 2 —
#88 Mikko Rissanen 2 Abb Schweiz Ag
#89 Michael Donald Suer 2 The Procter & Gamble
#90 Naoko Omagari 2 Seiko Epson
#91 Osman Polat 2 The Procter & Gamble
#92 Paul Thomas Weisman 2 The Procter & Gamble
#93 Peter Wallace 2 Wiggins Teape Group Limited
#94 Phillip MacDonald 2 Structured I
#95 Prasad Y. Duggirala 2 Nalco Company
#96 Robert Eberhardt 2 Voith Patent Gmbh
#97 Robert William GOODING 2 Aikawa Fiber Technologies Oy
#98 Ruihuan Wang 2 Emerson Electric
#99 Ryan Dominic Maladen 2 The Procter & Gamble
#100 Samantha C. Ackerly 2 Kimberly-Clark Worldwide

Top Companies

Rank ↑ Company ↕ Patents ↕
1 The Procter & Gamble 16
2 Kimberly-Clark Worldwide 15
3 Stora Enso Oyj 10
#4 Seiko Epson 8
#5 Sixring 8
#6 Valmet Oy 8
#7 Voith Patent Gmbh 7
#8 Kemira Oyj 6
#9 Daio Paper 3
#10 Domtar Paper Company 3
#11 Essity Hygiene And Health Aktiebolag 3
#12 Gpcp Ip Holdings 3
#13 Papacks Sales Gmbh 3
#14 Unknown 3
#15 Andritz 2
#16 Celwise Ab 2
#17 Ecolab Usa 2
#18 Fiberlean Technologies Limited 2
#19 First Quality Tissue 2
#20 Granbio Intellectual Property Holdings 2
#21 Industrial Video Solutions 2
#22 Jiangnan University 2
#23 Kadant Black Clawson 2
#24 Nippon Paper Industries Co. 2
#25 North Carolina State University 2
#26 Qilu University Of Technology 2
#27 Smart Planet Technologies 2
#28 Snf Group 2
#29 Structured I 2
#30 United Arab Emirates University 2
#31 Agc 1
#32 Agc Chemicals Americas 1
#33 Aikawa Iron Works Co. 1
#34 Aktiebolaget Skf 1
#35 Arakawa Chemical Industries 1
#36 Basf Se 1
#37 Billerudkorsnas Ab 1
#38 Board Of Trustees Of Western Michigan University 1
#39 Bouldin 1
#40 Buckman Laboratories International 1
#41 Clean Chemistry 1
#42 Cotton Incorporated 1
#43 Eastman Chemical 1
#44 Footprint International 1
#45 Genus Industries 1
#46 Giesecke+Devrient Currency Technology Gmbh 1
#47 Gp Cellulose Gmbh 1
#48 Hoffmaster Group 1
#49 Huhtamaki Molded Fiber Technology B.V. 1
#50 Huyck Licensco 1
#51 Hyundai Motor 1
#52 International Paper 1
#53 Iti Technologies 1
#54 Jl Darling 1
#55 Kaneka 1
#56 Kawano Paper Co. 1
#57 Københavns Universitet 1
#58 Kia 1
#59 Kolon Industries 1
#60 Kurita Water Industries 1
#61 Lenzing Aktiengesellschaft 1
#62 Metgen Oy 1
#63 Metsä Fibre Oy 1
#64 National Technology & Engineering Solutions Of Sandia 1
#65 Neozyme International 1
#66 Nicca Chemical Co. 1
#67 Northeast Forestry University 1
#68 Oji Holdings 1
#69 Organoclick Ab 1
#70 Peridot Print 1
#71 Procemex Oy 1
#72 Pulpac Ab 1
#73 Shaanxi University Of Science And Technology 1
#74 Societe Des Produits Nestle S.A. 1
#75 Solenis Technologies 1
#76 South China University Of Technology 1
#77 Suzano S.A. 1
#78 Taizen Co. 1
#79 Texas Tech University System 1
#80 University of California 1
#81 Thermal Ceramics 1
#82 Tohoku University 1
#83 Toray Industries 1
#84 Toscotec S.P.A. 1
#85 University-Industry Cooperation Group Of Kyung Hee University 1
#86 Upm-Kymmene 1
#87 Valmet Aktiebolag 1
#88 Valmet Automation Oy 1
#89 Weidmann Holding Ag 1
#90 Westrock Mwv 1
#91 Xerox 1