Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Inorganic chemistry Patent Leaders in 2017 2017

Primary CPC class C01 · 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 1,044 patents in 2025.peak 1,0441996: 348 patents19961997: 356 patents1998: 363 patents1999: 426 patents19992000: 415 patents2001: 449 patents2002: 395 patents20022003: 375 patents2004: 419 patents2005: 318 patents20052006: 416 patents2007: 356 patents2008: 372 patents20082009: 443 patents2010: 666 patents2011: 626 patents20112012: 680 patents2013: 775 patents2014: 764 patents20142015: 754 patents2016: 687 patents2017: 737 patents20172018: 689 patents2019: 743 patents2020: 750 patents20202021: 723 patents2022: 777 patents2023: 867 patents20232024: 959 patents2025: 1,044 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Dan Xie 18 Chevron
2 Shou-Shan Fan 15 Foxconn
3 Yang Wei 10 Foxconn
#4 Dallas B. Noyes 9 Seerstone
#5 Kai-Li Jiang 9 Foxconn
#6 Stacey I. Zones 7 Chevron
#7 Hartwig Rauleder 6 Evonik Degussa Gmbh
#8 Aruna Zhamu 5 Nanotek Instruments Group
#9 Bor Z. Jang 5 Nanotek Instruments Group
#10 Christopher Michael Lew 5 Chevron
#11 Keiji Itabashi 5 The University Of Tokyo
#12 Tatsuya Okubo 5 The University Of Tokyo
#13 Angel Cantin Sanz 4 ExxonMobil
#14 Avelino Corma Canos 4 Consejo Superior De Investigaciones Cientificas (Csic)
#15 Barbara Cucchiella 4 Stamicarbon B.V.
#16 Edward W. Corcoran, Jr. 4 ExxonMobil
#17 Ekkehard Mueh 4 Evonik Degussa Gmbh
#18 Elena Antonetti 4 Stamicarbon B.V.
#19 Fernando Rey Garcia 4 Consejo Superior De Investigaciones Cientificas (Csic)
#20 Gaetano Iaquaniello 4 Stamicarbon B.V.
#21 Jerry M. Woodall 4 IBM
#22 Miguel Palomino Roca 4 ExxonMobil
#23 Peng Liu 4 Tsinghua University
#24 Russell H. Barton 4 Intel
#25 Shakeel Ahmed 4 KFUPM
#26 Susana Valencia Valencia 4 Consejo Superior De Investigaciones Cientificas (Csic)
#27 Sylvaine Neveu 4 Rhodia Operations
#28 Takashi Inada 4 Kaneka
#29 Takashi Matsumoto 4 Honda Motor Co.
#30 Thomas E. Rowley 4 Daimlerchrysler Ag
#31 Yasushi Nishikawa 4 Kaneka
#32 Yusuke Ohta 4 Kaneka
#33 Aaron M. Feaver 3 Group14 Technologies
#34 Charanjit S. Paur 3 ExxonMobil
#35 Daniel A. Burciaga 3 Thermochem Recovery International
#36 Daniel Michael Leo 3 Thermochem Recovery International
#37 Dave G. Newport 3 Thermochem Recovery International
#38 Daniel James Twitchen 3 —
#39 Doh Won JUNG 3 Samsung
#40 Dylan J. Boday 3 IBM
#41 Emmanuelle Allain 3 Rhodia Operations
#42 Fahad Ali Rabbani 3 KFUPM
#43 Hamilton Sean Michael Whitney 3 Thermochem Recovery International
#44 Henry R. Costantino 3 Group14 Technologies
#45 Hitoshi Sumiya 3 Sumitomo Electric Industries
#46 Holger Friedrich 3 Basf Se
#47 Hong-Kyu Park 3 LG
#48 James L. Hedrick 3 Central Glass Company, Limited
#49 Jeannette M. Garcia 3 IBM
#50 Juergen Erwin Lang 3 Evonik Degussa Gmbh
#51 Jun Yang 3 Shenzhen Sunxing Light Alloys Materials Co.
#52 Katsuko Yamamoto 3 Sumitomo Electric Industries
#53 Kenta Iyoki 3 The University Of Tokyo
#54 Linde ZHANG 3 Shenzhen Cantonnet Energy Services Co.
#55 Lupércio Tarcísio de Oliveira 3 —
#56 Makoto Mishiro 3 Kaneka
#57 Michael Paul Rowe 3 Toyota
#58 Michael W. Smith 3 Bnnt
#59 Mingdong Zhang 3 Shenzhen Cantonnet Energy Services Co.
#60 Mohamed Sherif Mohamed Mostafa El-Eskandarany 3 Kuwait Institute For Scientific Research
#61 Morihiro KITAMURA 3 Nippon Shokubai Co.
#62 Mohammed Waseeuddin 3 KFUPM
#63 Muataz Ali Atieh 3 KFUPM
#64 Pavel Kortunov 3 ExxonMobil
#65 Peter I. Ravikovitch 3 ExxonMobil
#66 Ravi Chandran 3 Thermochem Recovery International
#67 Rudy J. Wojtecki 3 IBM
#68 Shawn Robert Freitas 3 Thermochem Recovery International
#69 Shin-ya Imoto 3 Nippon Shokubai Co.
#70 Syed Ahmed Mohammad Said 3 KFUPM
#71 Takashi Abe 3 Sony
#72 Tetsuo Nishida 3 Seiko Epson
#73 Weiping Wu 3 Shenzhen Sunxing Light Alloys Materials Co.
#74 Xuemin Chen 3 Shenzhen Sunxing Light Alloys Materials Co.
#75 Yuhao Lu 3 Sharp Laboratories Of America
#76 Yu Wang 3 Nr Electric Co.
#77 Zhihong Li 3 Amgen
#78 Zhongmin Liu 3 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences
#79 Zuhair Omar Malaibari 3 KFUPM
#80 Aaron Rosenblatt 2 Cdg Environmetal
#81 Adam F. Gross 2 Hrl Laboratories
#82 Aghaddin Kh. Mammadov 2 Saudi Basic Industries
#83 Akhil Jain Nahar 2 Kellogg Brown & Root
#84 Akiyoshi Shibuya 2 Zeon
#85 Alexandre Jean Fines 2 Cristal Usa
#86 Allison M. Fisher 2 Motorola
#87 Alfred H. Stiller 2 West Virginia University
#88 Alain Turenne 2 Silicor Materials
#89 Alexander K. Zettl 2 University of California
#90 Amel Laref 2 King Saud University
#91 Anthony A. DiGiovanni 2 Baker Hughes Holdings
#92 Anna P. Goldstein 2 Lawrence Livermore National Security
#93 Arthur Darde 2 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#94 Armando Loni 2 Psimedica Limited
#95 Awatif Ahmed Hendi 2 King Saud University
#96 Balaji Sitharaman 2 —
#97 Brian Elliott Hayden 2 Ilika Technologies
#98 Brian L. Wardle 2 MIT
#99 Byung Sook Kim 2 Lg Innotek Co.
#100 Carl-Friedrich Hoppe 2 Evonik Degussa Gmbh

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Chevron 22
2 Tsinghua University 17
3 Foxconn 16
#4 Evonik Degussa Gmbh 13
#5 KFUPM 9
#6 LG 9
#7 Seerstone 8
#8 ExxonMobil 8
#9 Intel 8
#10 Samsung 8
#11 Basf Se 7
#12 Solvay Sa 6
#13 The University Of Tokyo 6
#14 Wacker Chemie Ag 6
#15 Air Products And Chemicals 5
#16 Kaneka 5
#17 Nanotek Instruments Group 5
#18 Praxair Technology 5
#19 Rhodia Operations 5
#20 Saudi Arabian Oil 5
#21 Sumitomo Metal Mining Co. 5
#22 University of California 5
#23 Unizeo Co. 5
#24 GE 5
#25 Toyota 5
#26 Element Six Limited 4
#27 Empire Technology Development 4
#28 Hanwha Chemical 4
#29 Korea Institute Of Science And Technology 4
#30 MIT 4
#31 Omya International Ag 4
#32 Sharp Laboratories Of America 4
#33 Stella Chemifa 4
#34 Tokyo Electron Limited 4
#35 US Air Force 4
#36 University Of Houston System 4
#37 Zeon 4
#38 Akzo Nobel Chemicals International B.V 3
#39 Baker Hughes Holdings 3
#40 Council Of Scientific And Industrial Research 3
#41 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences 3
#42 Haldor Topsøe A/S 3
#43 Korea Institute Of Energy Research 3
#44 Kuwait Institute For Scientific Research 3
#45 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 3
#46 Lg Innotek Co. 3
#47 Mitsubishi Chemical 3
#48 National Institute Of Advanced Industrial Science And Technology 3
#49 Nippon Shokubai Co. 3
#50 Purdue Research Foundation 3
#51 Sakai Chemical Industry Co. 3
#52 Semiconductor Energy Laboratory 3
#53 Shenzhen Cantonnet Energy Services Co. 3
#54 Shenzhen Sunxing Light Alloys Materials Co. 3
#55 Showa Denko K.K. 3
#56 Stamicarbon B.V. 3
#57 Sumitomo Electric Industries 3
#58 Taiheiyo Cement 3
#59 The Boeing 3
#60 Thermochem Recovery International 3
#61 NASA 3
#62 US Army 3
#63 University Of Central Florida 3
#64 Unknown 3
#65 Uop 3
#66 IBM 3
#67 Applied Materials 2
#68 Alcoa Usa 2
#69 Arkema France 2
#70 Battelle Memorial Institute 2
#71 Bio-Rad Laboratories 2
#72 Bnnt 2
#73 Caltech 2
#74 Cdg Environmetal 2
#75 Central Glass Company, Limited 2
#76 CNRS 2
#77 Consolidated Nuclear Security 2
#78 Cristal Usa 2
#79 Daiichi Kigenso Kagaku Kogyo Co. 2
#80 Denka Company Limited 2
#81 Ecolab Usa 2
#82 Entegris 2
#83 Graphene Platform 2
#84 Herakles 2
#85 Hope Medical Enterprises 2
#86 Huntsman International 2
#87 Hyundai Motor 2
#88 Ifp Energies Nouvelles 2
#89 Ilika Technologies 2
#90 Inha-Industry Partnership Institute 2
#91 Japan Pionics Co. 2
#92 Kabushiki Kaisha Toshiba 2
#93 Kellogg Brown & Root 2
#94 King Saud University 2
#95 Kobe Steel 2
#96 Koniniklijke Philips N.V. 2
#97 KAIST 2
#98 K-Technologies 2
#99 Lanxess Deutschland Gmbh 2
#100 Lawrence Livermore National Security 2