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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Polymers and plastics chemistry

Polymers and plastics chemistry Patent Leaders All Time

Primary CPC class C08 · Section C

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 3,654 patents in 2020.peak 3,6541996: 2,815 patents19961997: 2,669 patents1998: 2,991 patents1999: 2,962 patents19992000: 2,962 patents2001: 3,250 patents2002: 3,325 patents20022003: 3,213 patents2004: 2,875 patents2005: 2,069 patents20052006: 2,284 patents2007: 1,947 patents2008: 1,660 patents20082009: 1,824 patents2010: 2,761 patents2011: 2,775 patents20112012: 2,852 patents2013: 3,261 patents2014: 3,520 patents20142015: 3,447 patents2016: 3,386 patents2017: 3,542 patents20172018: 3,281 patents2019: 3,485 patents2020: 3,654 patents20202021: 3,430 patents2022: 3,178 patents2023: 3,068 patents20232024: 3,252 patents2025: 3,077 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Max P. McDaniel 377 Chevron
2 Paul Harry Sandstrom 220 The Goodyear Tire & Rubber
3 Qing Yang 198 Chevron
#4 Adel Farhan Halasa 188 The Goodyear Tire & Rubber
#5 William L. Hergenrother 176 Bridgestone
#6 Christian Lindner 150 Bayer Healthcare
#7 Markus Gahleitner 150 Borealis Ag
#8 Dieter Freitag 145 Bayer Healthcare
#9 Michael J. Sullivan 143 Acushnet
#10 Robert E. Hefner, Jr. 137 —
#11 James L. Hedrick 133 Central Glass Company, Limited
#12 Karl-Heinz Ott 133 Bayer Healthcare
#13 Robert R. Gallucci 128 GE
#14 Herbert Eichenauer 122 Bayer Healthcare
#15 Steven Luo 119 Bridgestone
#16 David H. Blount 118 —
#17 Elizabeth A. Benham 118 Phillips Petroleum
#18 Giampiero Morini 115 Basell Poliolefine Italia S.R.L.
#19 Jo Ann M. Canich 115 ExxonMobil
#20 Klaus Hintzer 115 3M
#21 Sudhin Datta 115 ExxonMobil
#22 Jason T. Wertz 114 IBM
#23 Luigi Resconi 113 Borealis Ag
#24 Matthew W. Holtcamp 113 ExxonMobil
#25 Wen-Liang Hsu 113 The Goodyear Tire & Rubber
#26 Jingbo Wang 111 Borealis Ag
#27 Dieter Wittmann 109 Bayer Healthcare
#28 Joseph Kuczynski 109 IBM
#29 Mehmet Demirors 109 Dow Global Technologies
#30 Peijun Jiang 109 ExxonMobil
#31 Bernd Bruchmann 104 Basf Se
#32 Josef Pedain 104 Bayer Healthcare
#33 Murali Rajagopalan 104 Acushnet
#34 Klaus Bernreitner 102 Borealis Ag
#35 Lawson Gibson Wideman 101 The Goodyear Tire & Rubber
#36 Daniel J. Brunelle 100 GE
#37 Akihiro Yamaguchi 99 Mitsui Toatsu Chemicals, Incorporated
#38 Terrence E. Hogan 99 Bridgestone
#39 Martin Weber 98 Basf Se
#40 Patrick Brant 98 ExxonMobil
#41 Xiaorong Wang 98 Bridgestone
#42 Donna J. Crowther 97 ExxonMobil
#43 Dylan J. Boday 97 IBM
#44 Thomas Eckel 97 Bayer Healthcare
#45 Klaus Hahn 95 Basf Se
#46 Hanns P. Muller 94 Bayer Healthcare
#47 Joseph P. Kennedy 94 The University Of Akron
#48 Karsten-Josef Idel 94 Bayer Healthcare
#49 Victor Mark 94 GE
#50 George P. Speranza 92 Chevron
#51 Carl L. Willis 91 Kraton Polymers
#52 Joel L. Martin 91 Chevron
#53 Paul Dean Sybert 91 Sabic Global Technologies B.V.
#54 Wolfgang Fischer 91 Basf Se
#55 Andreas Winter 90 Hoechst Gmbh
#56 Teddy M. Keller 90 US Air Force
#57 James E. Hall 89 Bridgestone
#58 Ki Soo Lee 89 LG
#59 Rolf Dhein 89 Bayer Healthcare
#60 Masatoshi Arai 88 Shin-Etsu Chemical Co.
#61 Teresa P. Karjala 88 Dow Global Technologies
#62 Toshiyuki Tsutsui 86 Mitsui Petrochemical Industries
#63 Anil B. Goel 85 Ashland Oil
#64 Bharat I. Chaudhary 85 Dow Global Technologies
#65 Jun Hatakeyama 85 Shin-Etsu Chemical Co.
#66 Burkhard Kohler 84 Bayer Healthcare
#67 Yoshitsugu Morita 83 Dow Corning Toray Silicone Company
#68 Enrico Albizzati 82 Montedison S.P.A.
#69 Norbert Niessner 82 Ineos Styrolution Group Gmbh
#70 Robert D. Lundberg 82 ExxonMobil
#71 Werner Obrecht 82 Bayer Healthcare
#72 Brandon M. Kobilka 81 IBM
#73 David F. Lawson 81 Bridgestone
#74 Eit Drent 81 Shell Oil Compny
#75 Rudolf Pfaendner 81 Ciba Specialty Chemicals
#76 Frederick J. Karol 80 Union Carbide Chemicals & Plastics Technology
#77 Kazuo Matsuura 80 Nippon Oil
#78 Pauli Leskinen 80 Borealis Ag
#79 Roger W. Avakian 80 GE
#80 Yuan-Yong Yan 80 Bridgestone
#81 Norio Kashiwa 79 Mitsui Petrochemical Industries
#82 John R. Hagadorn 78 ExxonMobil
#83 Mamoru Kioka 78 Mitsui Petrochemical Industries
#84 Shahram Mihan 77 Basell Polyolefine Gmbh
#85 Niles R. Rosenquist 76 GE
#86 Catia Bastioli 75 Novamont S.P.A.
#87 Hsien-Chang Wang 74 ExxonMobil
#88 Kevin J. Cann 74 Univation Technologies
#89 Jeffrey M. Cogen 73 Dow Global Technologies
#90 Julio A. Abusleme 73 Ausimont S.P.A.
#91 Ludwig Bottenbruch 73 Bayer Healthcare
#92 Wilfried Knott 73 Evonik Degussa Gmbh
#93 Andreas Kramer 72 Sika Technology Ag
#94 Andy H. Tsou 72 ExxonMobil
#95 Lloyd M. Robeson 72 Air Products And Chemicals
#96 Pradeep P. Shirodkar 72 ExxonMobil
#97 Tadashi Amano 72 Shin-Etsu Chemical Co.
#98 Winston J. Jackson, Jr. 72 Eastman Kodak
#99 James C. Stevens 71 —
#100 Kenji Yao 71 —

Top Companies

Rank ↑ Company ↕ Patents ↕
1 E.I. Du Pont De Nemours And 4,895
2 Basf Se 3,786
3 GE 2,964
#4 Bayer Healthcare 2,959
#5 ExxonMobil 2,499
#6 Dow Global Technologies 1,821
#7 Shin-Etsu Chemical Co. 1,671
#8 3M 1,638
#9 LG 1,619
#10 Sumitomo Chemical 1,466
#11 Shell Oil Compny 1,258
#12 The Goodyear Tire & Rubber 1,178
#13 Bridgestone 1,082
#14 Dow Corning 1,051
#15 Phillips Petroleum 959
#16 Chevron 933
#17 Rohm And Haas 913
#18 Ciba-Geigy 807
#19 Borealis Ag 755
#20 Hoechst Gmbh 732
#21 Mitsui Chemicals 724
#22 Eastman Chemical 673
#23 Eastman Kodak 666
#24 Mitsubishi Gas Chemical Company 664
#25 Toray Industries 645
#26 Sabic Global Technologies B.V. 615
#27 Wacker Chemie Ag 607
#28 Daikin Industries 569
#29 Samsung 559
#30 Mitsubishi Chemical 526
#31 ICI 524
#32 Kaneka 521
#33 Kuraray Co. 521
#34 IBM 500
#35 Sumitomo Rubber Industries 493
#36 Goodrich 471
#37 Xerox 466
#38 US Air Force 437
#39 Honeywell 425
#40 Fina Technology 424
#41 Fujifilm 421
#42 Mitsubishi Electric 421
#43 Mitsui Petrochemical Industries 417
#44 Idemitsu Kosan Co. 409
#45 Monsanto Technology 401
#46 Ppg Industries 394
#47 Univation Technologies 393
#48 Air Products And Chemicals 391
#49 Sabic Innovative Plastics B.V. 388
#50 Union Carbide 388
#51 Nippon Shokubai Co. 383
#52 Basell Poliolefine Italia S.R.L. 376
#53 Mitsui Toatsu Chemicals, Incorporated 376
#54 Union Carbide Chemicals & Plastics Technology 368
#55 Zeon 366
#56 Asahi Glass Co. 365
#57 Arkema France 362
#58 The Yokohama Rubber Co. 360
#59 Unknown 354
#60 Ciba Specialty Chemicals 352
#61 Hoechst Celanese 348
#62 Bayer Materialscience Ag 342
#63 Ppg Industries Ohio 339
#64 Teijin Limited 336
#65 ITRI 335
#66 Hercules 329
#67 Asahi Kasei Kogyo Co. 328
#68 The Procter & Gamble 323
#69 Basell Polyolefine Gmbh 306
#70 Daicel Chemical Industries 289
#71 Asahi Kasei Kabushiki Kaisha 288
#72 Idemitsu Petrochemical Co. 288
#73 Nitto Denko 287
#74 Covestro Deutschland Ag 282
#75 Cheil Industries 279
#76 Dow Corning Toray Silicone Company 279
#77 Amoco 274
#78 Ube Industries 268
#79 Kanegafuchi Kagaku Kogyo 263
#80 Polyplastics Co. 263
#81 Canon 256
#82 Chisso 251
#83 Compagnie Generale Des Etablissements Michelin 250
#84 Jsr 249
#85 Celanese Gmbh 248
#86 Ticona 248
#87 Nippon Zeon Co. 246
#88 Nova Chemicals (International) S.A. 243
#89 Henkel Ag & Co. Kgaa 242
#90 Hitachi Chemical Company 238
#91 Evonik Degussa Gmbh 237
#92 Nissan Chemical Industries 235
#93 Arco Chemical Technology 234
#94 Momentive Performance Materials Gmbh 234
#95 Mitsubishi Petrochemical Company Limited 228
#96 Dsm Ip Assets B.V. 227
#97 Kansai Paint Co. 222
#98 National Starch And Chemical Investment Holding Copporation 222
#99 Johnson & Johnson 222
#100 Kao 220