Papermaking Patent Leaders 2020 | Patent Leaderboard

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: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	John Allen Manifold	16	The Procter & Gamble
2	James E. Sealey, II	9	First Quality Tissue
3	Ryan Dominic Maladen	9	The Procter & Gamble
#4	Byrd Tyler Miller, IV	8	First Quality Tissue
#5	Douglas Jay Barkey	8	The Procter & Gamble
#6	Matti Hietaniemi	8	Kemira Oyj
#7	Jeffrey Glen Sheehan	7	The Procter & Gamble
#8	David Warren Loebker	6	The Procter & Gamble
#9	Isto Heiskanen	6	Stora Enso Oyj
#10	James Michael Singer	6	The Procter & Gamble
#11	John Leslie Brent, Jr.	6	The Procter & Gamble
#12	Markus Nuopponen	6	Upm-Kymmene
#13	Ward William Ostendorf	6	The Procter & Gamble
#14	Arthur J. Nonni	5	Gp Cellulose Gmbh
#15	Asko Karppi	5	Kemira Oyj
#16	Charles E. Courchene	5	Gp Cellulose Gmbh
#17	Guillermo Matias Vidal	5	The Procter & Gamble
#18	Michael A. Bilodeau	5	University Of Maine System Board Of Trustees
#19	Isko Kajanto	4	Upm-Kymmene
#20	Kaj Backfolk	4	Stora Enso Oyj
#21	Taras Z. Andrukh	4	Structured I
#22	Tobias Ziegenbein	4	Mercer International
#23	Angela Marie Leimbach	3	The Procter & Gamble
#24	Anneli Lepo	3	Kemira Oyj
#25	Charles Chidozie Ekenga	3	The Procter & Gamble
#26	David Robert Skuse	3	Fiberlean Technologies Limited
#27	Fei Wang	3	AMD
#28	Henrik Lund	3	Novozymes A/S
#29	James Allen Cain	3	The Procter & Gamble
#30	James Kenneth Comer	3	The Procter & Gamble
#31	Jaakko Ekman	3	Kemira Oyj
#32	Justin C. Pence	3	Structured I
#33	Juha Tamper	3	Upm-Kymmene
#34	Kathleen Diane Sands	3	The Procter & Gamble
#35	Khosrow Parviz Mohammadi	3	The Procter & Gamble
#36	Kun Piao	3	The Procter & Gamble
#37	Mark Alan Burazin	3	Kimberly-Clark Worldwide
#38	Mario Castillo	3	The Procter & Gamble
#39	Masanao Kunugi	3	Seiko Epson
#40	Marshall Medoff	3	Xyleco
#41	Mikko Virtanen	3	Kemira Oyj
#42	Patrick A.C. Gane	3	Omya International Ag
#43	Peter Carstensen	3	Kadant
#44	Phillip MacDonald	3	Structured I
#45	Robert Eberhardt	3	Voith Patent Gmbh
#46	Satomi Yoshioka	3	Seiko Epson
#47	Siegfried Graser	3	Voith Patent Gmbh
#48	Stephen John Delvecchio	3	The Procter & Gamble
#49	Steven Parker	3	Westrock Mwv
#50	Susan M. Ehrhardt	3	Hercules
#51	Takayoshi Konishi	3	Unicharm
#52	Thorsten Knobloch	3	The Procter & Gamble
#53	Toshio Hiraoka	3	Unicharm
#54	Yulin Zhao	3	Ecolab Usa
#55	Bjoern Lennart Pierre Alexander Cassland	2	Novozymes A/S
#56	Blair R. Carter	2	Gp Cellulose Gmbh
#57	Brian S. Hammes	2	Gpcp Ip Holdings
#58	Brandon E. Mahler	2	Dubois Chemicals
#59	Carmen-Elena Cimpeanu	2	Basf Se
#60	Chester E. Alkiewicz	2	Westrock Mwv
#61	Christopher Gerald Donner	2	The Procter & Gamble
#62	Christopher Lee Satori	2	Kimberly-Clark Worldwide
#63	Christopher R. Tilton	2	Smart Planet Technologies
#64	Chitai C. Yang	2	Westrock Mwv
#65	Clay E. Ringold	2	Georgia-Pacific Chemicals
#66	Cornel Hagiopol	2	Georgia-Pacific Chemicals
#67	Dale Gary Kavalew	2	The Procter & Gamble
#68	Davit E. Sharoyan	2	Solenis Technologies
#69	Daniel W. Sumnicht	2	Georgia-Pacific
#70	Daniel H. Sze	2	Gpcp Ip Holdings
#71	Daniel F. Varnell	2	Solenis Technologies
#72	Diego FANTINI	2	Ahlstrom-Munksjö Oyj
#73	Dirk Lawrenz	2	Basf Se
#74	Elsi Turunen	2	Kemira Oyj
#75	Eric Kent Isom, Jr.	2	Kimberly-Clark Worldwide
#76	Eric James Watkins	2	The Procter & Gamble
#77	Esa Saukkonen	2	Stora Enso Oyj
#78	Fernando Silva	2	Chapman University
#79	Gary P. Fugitt	2	—
#80	Gary S. Furman	2	Nalco Company
#81	Hayato FUSHIMI	2	Oji Holdings
#82	Harold Laser	2	Dubois Chemicals
#83	Hermann Seyffer	2	Basf Se
#84	Hiroshi Tanaka	2	Fujitsu Limited
#85	Hung Liang Chou	2	Georgia-Pacific
#86	Ikue Homma	2	Oji Holdings
#87	James Tausche	2	Enzymatic Deinking Technologies, L.L.C.
#88	Jeffrey Dean Holz	2	Kimberly-Clark Worldwide
#89	Jeffrey A. Lee	2	Gpcp Ip Holdings
#90	Jianhua Ma	2	Enzymatic Deinking Technologies, L.L.C.
#91	Jiebin Pang	2	Westrock Mwv
#92	John H. Dwiggins	2	Fort James
#93	Jonathan Stuart Phipps	2	Fiberlean Technologies Limited
#94	Joachim Schoelkopf	2	Omya International Ag
#95	Jonathan Spender	2	University Of Maine System Board Of Trustees
#96	Juha Paavolainen	2	—
#97	Juergen Schmidt-Thuemmes	2	Basf Se
#98	Katsuhito Gomi	2	Seiko Epson
#99	Karthik Ramaratnam	2	First Quality Tissue
#100	Karl-Johan Tolfsson	2	Valmet Aktiebolag

Top Companies

Rank ↑	Company ↕	Patents ↕
1	The Procter & Gamble	25
2	Kemira Oyj	15
3	Gpcp Ip Holdings	13
#4	Kimberly-Clark Worldwide	11
#5	Ecolab Usa	10
#6	Seiko Epson	10
#7	Solenis Technologies	9
#8	Valmet Oy	9
#9	Andritz	7
#10	Stora Enso Oyj	7
#11	Upm-Kymmene	7
#12	Voith Patent Gmbh	7
#13	University Of Maine System Board Of Trustees	6
#14	Westrock Mwv	6
#15	Fiberlean Technologies Limited	5
#16	First Quality Tissue	5
#17	Gp Cellulose Gmbh	5
#18	Daio Paper	4
#19	Lenzing Aktiengesellschaft	4
#20	Mercer International	4
#21	Oji Holdings	4
#22	Structured I	4
#23	Valmet Aktiebolag	4
#24	Ahlstrom-Munksjö Oyj	3
#25	HP	3
#26	International Paper	3
#27	Kadant	3
#28	Novozymes A/S	3
#29	Unicharm	3
#30	Xyleco	3
#31	A. Celli Paper S.P.A.	2
#32	Basf Se	2
#33	Cascades Sonoco	2
#34	Dubois Chemicals	2
#35	Enzymatic Deinking Technologies, L.L.C.	2
#36	Footprint International	2
#37	Korea Institute Of Geoscience And Mineral Resources	2
#38	Omya International Ag	2
#39	Smart Planet Technologies	2
#40	Stowe Woodward Licensco	2
#41	United States Gypsum	2
#42	AT&T	1
#43	Albany International	1
#44	Anaergia	1
#45	Archroma Ip Gmbh	1
#46	Arizona Board Of Regents For And On Behalf Of Arizona State University	1
#47	Astenjohnson	1
#48	Billerudkorsnas Ab	1
#49	Blankophor Gmbh & Co. Kg	1
#50	Bobst Grenchen Ag	1
#51	Cellucomp Limited	1
#52	Celwise Ab	1
#53	Clean Chemistry	1
#54	Coatex	1
#55	Crane & Co.	1
#56	Create Technologies	1
#57	Delfortgroup Ag	1
#58	Domtar Paper Company	1
#59	Dow Global Technologies	1
#60	Dupont Electronics	1
#61	Dupont Industrial Biosciences Usa	1
#62	Dupont Nutrition Usa	1
#63	Dupont Safety & Construction	1
#64	Essity Hygiene And Health Aktiebolag	1
#65	Essity Operations France	1
#66	Fabrica Nacional De Moneda Y Timbre Real Casa De La Moneda	1
#67	Faculdade De Ciências E Tecnologia Da Universidade Nova De Lisboa	1
#68	Flex R&D	1
#69	Fp-Pigments Oy	1
#70	Fraunhofer	1
#71	General Mills	1
#72	Golden Arrow Printing Technology (Kunshan) Co.	1
#73	Granbio Intellectual Property Holdings	1
#74	H.B. Fuller	1
#75	Henry Molded Products	1
#76	Foxconn	1
#77	Huyck Licensco	1
#78	Ichikawa Co.	1
#79	Imertech Sas	1
#80	Inventure Renewables	1
#81	Japan Tobacco	1
#82	Kingpak Technology	1
#83	Kuraray Co.	1
#84	Lakehead University	1
#85	Maintech Co.	1
#86	Medtrum Technologies	1
#87	Metgen Oy	1
#88	Morphotrust Usa	1
#89	Neozyme International	1
#90	Noram Engineering And Constructors	1
#91	Organoclick Ab	1
#92	Papierfabrik August Koehler Se	1
#93	Paprima Industries	1
#94	Poet Research	1
#95	Procemex Oy	1
#96	Ptt Global Chemical Public Company Limited	1
#97	Queensland University Of Technology	1
#98	Renmatix	1
#99	R.J. Reynolds Tobacco	1
#100	Roquette Freres	1

Papermaking Patent Leaders in 2020 2020

Patents per Year

Top Inventors

Top Companies