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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Electrolysis and electroplating

Electrolysis and electroplating Patent Leaders in 2024 2024

Primary CPC class C25 · 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 534 patents in 2019.peak 5341996: 202 patents19961997: 188 patents1998: 213 patents1999: 242 patents19992000: 262 patents2001: 347 patents2002: 311 patents20022003: 283 patents2004: 276 patents2005: 211 patents20052006: 197 patents2007: 191 patents2008: 192 patents20082009: 199 patents2010: 281 patents2011: 311 patents20112012: 351 patents2013: 362 patents2014: 346 patents20142015: 424 patents2016: 407 patents2017: 487 patents20172018: 454 patents2019: 534 patents2020: 500 patents20202021: 428 patents2022: 465 patents2023: 462 patents20232024: 472 patents2025: 505 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Shao Hua Chang 7 Ebara
2 Stuart Licht 7 C2Cnt
3 Muhammad Ali Ehsan 6 KFUPM
#4 Ryota Kitagawa 6 Kabushiki Kaisha Toshiba
#5 David Pain 5 Fabric8Labs
#6 Gad Licht 5 C2Cnt
#7 Gene Dedick 5 H2Plus
#8 Haruki KONDOH 5 Toyota
#9 Jared Roberts 5 H2Plus
#10 Abdul Rehman 4 KFUPM
#11 Abbas Hakeem Saeed 4 KFUPM
#12 Akihiko Ono 4 Kabushiki Kaisha Toshiba
#13 Andrew Edmonds 4 Fabric8Labs
#14 Charles N. Pateros 4 Viasat
#15 Eric J. Bergman 4 Semitool
#16 Hsin-Yung Lin 4 Unknown
#17 Jeffrey Herman 4 Fabric8Labs
#18 John L. Klocke 4 Applied Materials
#19 Kazuhito Tsuji 4 Ebara
#20 Kendra P. Kuhl 4 Twelve Benefit
#21 Maciej Jastrzebski 4 Hatch
#22 Masaya Seki 4 Ebara
#23 Masashi Shimoyama 4 Ebara
#24 Paul R. McHugh 4 Applied Materials
#25 Ryan J. Gilliam 4 Calera
#26 Satoshi Mikoshiba 4 Kabushiki Kaisha Toshiba
#27 Sichao Ma 4 Twelve Benefit
#28 Yuki Kudo 4 Kabushiki Kaisha Toshiba
#29 Alaaldin Mohamed Abdalla Adam 3 KFUPM
#30 Alexander FLUEGEL 3 Basf Se
#31 David Wakerley 3 Dioxycle
#32 David Weingaertner 3 Bloom Energy
#33 Etosha R. Cave 3 Twelve Benefit
#34 Gregory J. Wilson 3 Applied Materials
#35 Guojuan Hai 3 Shaanxi University Of Science And Technology
#36 Hiroshi Kobayashi 3 Toyota
#37 Jianfeng Huang 3 Shaanxi University Of Science And Technology
#38 Junji Nunomura 3 Uacj
#39 Jun Tamura 3 Kabushiki Kaisha Toshiba
#40 Katsumi Mikami 3 Resonac
#41 Kareemullah Shaik 3 Fabric8Labs
#42 Kuo-Lung HOU 3 TSMC
#43 Liyun Cao 3 Shaanxi University Of Science And Technology
#44 Liangliang Feng 3 Shaanxi University Of Science And Technology
#45 Marco Arnold 3 Basf Se
#46 Masaru HATABE 3 Ishihara Chemical Co.
#47 Masakazu Yamagiwa 3 Kabushiki Kaisha Toshiba
#48 Ming-Hsien Lin 3 TSMC
#49 Mohammad Qamar 3 KFUPM
#50 Mohammad Nahid Siddiqui 3 KFUPM
#51 Munzir Hamedelniel Mohamed SULIMAN 3 KFUPM
#52 Osamu Sakai 3 Sumitomo Electric Industries
#53 Sara Hunegnaw 3 Twelve Benefit
#54 Sarah Lamaison 3 Dioxycle
#55 Shantinath Ghongadi 3 Novellus Systems
#56 Yasuto Goto 3 Nippon Steel
#57 Yohsuke FUKUCHI 3 Showa Denko K.K.
#58 Yoshitsune Sugano 3 Kabushiki Kaisha Toshiba
#59 Adam Marc McClure 2 Applied Materials
#60 Adnan Ozden 2 Governing Council Of The University Of Toronto
#61 Ahmad D. Hammad 2 Saudi Arabian Oil
#62 Ajay R. Kashi 2 Twelve Benefit
#63 Akihiro Yoshida 2 Ricoh Company
#64 Alex Gandelhman 2 Nivarox-Far S.A.
#65 Ali Hosseini 2 Smith & Nephew
#66 Alireza Saeedmanesh 2 Bloom Energy
#67 Anke WALTER 2 Atotech Deutschland
#68 Ashley D. Mishra 2 Twelve Benefit
#69 Asahi Motoshige 2 Kabushiki Kaisha Toshiba
#70 Ashton Cyril Partridge 2 Zinniatek Limited
#71 Awaludin ZAENAL 2 De Nora Permelec
#72 Bandar A. Fadhel 2 Saudi Arabian Oil
#73 Bernhard Schmid 2 Continental Teves Ag & Co. Ohg
#74 Brian Allen 2 Mitsubishi Power Americas
#75 Bryan L. Buckalew 2 Novellus Systems
#76 Brian J. Lam 2 Governing Council Of The University Of Toronto
#77 Christian Almroth 2 —
#78 Chen-Kuei Chung 2 ITRI
#79 Charlotte Emnet 2 Basf Se
#80 Christian Reller 2 Siemens Energy Global
#81 Cyprian Emeka Uzoh 2 Invensas
#82 David Hauschild 2 H2Plus Operations
#83 David Hunt 2 Mitsubishi Power Americas
#84 David McDeed 2 Mitsubishi Power Americas
#85 David Sinton 2 Unknown
#86 David Morgan Wirth 2 Fabric8Labs
#87 Dieter Mayer 2 Basf Se
#88 Dong Ding 2 Battelle Energy Alliance
#89 Douglas P. Riemer 2 —
#90 Earl Lawrence Vincent Goetheer 2 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno
#91 Edward Hartley Sargent 2 Invisage Technologies
#92 Ehsan Raoufat 2 Bloom Energy
#93 Erik Zimmerman 2 Akzo Nobel N.V.
#94 Etsuro TSUTSUMI 2 Toyo Kohan Co.
#95 Fengwang LI 2 Governing Council Of The University Of Toronto
#96 Frédéric Brun 2 Rio Tinto Alcan International Limited
#97 Fuka Yamaoka 2 Ishihara Chemical Co.
#98 Gregory J. Kearns 2 Lam Research
#99 Gustav Eriksson 2 H2Plus Operations
#100 Günter Schmid 2 Infineon Technologies Ag

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Ebara 15
2 KFUPM 10
3 Toyota 9
#4 Bloom Energy 7
#5 C2Cnt 7
#6 Kabushiki Kaisha Toshiba 7
#7 Applied Materials 6
#8 Fabric8Labs 6
#9 TSMC 6
#10 RTX (Raytheon) 6
#11 Atotech Deutschland 5
#12 H2Plus Operations 5
#13 Honda Motor Co. 5
#14 Verdagy 5
#15 Lam Research 5
#16 Basf Se 4
#17 Battelle Energy Alliance 4
#18 Caltech 4
#19 Dowa Metaltech Co. 4
#20 H2Plus 4
#21 Lawrence Livermore National Security 4
#22 Toyo Kohan Co. 4
#23 Twelve Benefit 4
#24 Unknown 4
#25 Panasonic 4
#26 De Nora Permelec 3
#27 Dioxycle 3
#28 Hutchinson 3
#29 Ishihara Chemical Co. 3
#30 Nippon Steel 3
#31 Resonac 3
#32 Shaanxi University Of Science And Technology 3
#33 Siemens Energy Global 3
#34 University of California 3
#35 Toshiba Energy Systems & Solutions 3
#36 Totalenergies Onetech 3
#37 GE 3
#38 Samsung 3
#39 Acm Research (Shanghai) 2
#40 Adeia Semiconductor Bonding Technologies 2
#41 Alliance For Sustainable Energy 2
#42 Arizona Board Of Regents For And On Behalf Of Arizona State University 2
#43 Asahi Kasei Kabushiki Kaisha 2
#44 Central South University 2
#45 CNRS 2
#46 Chang Chun Petrochemical Co. 2
#47 CEA 2
#48 Contemporary Amperex Technology Co., Limited 2
#49 Denso 2
#50 Eagle Industry Co. 2
#51 Elysis Limited Partnership 2
#52 Hojin Platech Co. 2
#53 Hymeth Aps 2
#54 Japan Aviation Electronics Industry, Limited 2
#55 Japan Science And Technology Agency 2
#56 Jfe Steel 2
#57 Kaneka 2
#58 Koa 2
#59 Lyten 2
#60 Manufacturing Systems Limited 2
#61 Mitsubishi Materials 2
#62 Mitsubishi Power Americas 2
#63 Mitsui Mining & Smelting Co. 2
#64 National Cheng Kung University 2
#65 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno 2
#66 Newsouth Innovations Pty Limited 2
#67 Ningbo Institute Of Materials Technology & Engineering, Chinese Academy Of Sciences 2
#68 Nivarox-Far S.A. 2
#69 Northwestern University 2
#70 Ohio State Innovation Foundation 2
#71 Osaka Gas Co. 2
#72 Rio Tinto Alcan International Limited 2
#73 Saudi Arabian Oil 2
#74 Seagate Technology 2
#75 Governing Council Of The University Of Toronto 2
#76 Uacj 2
#77 US Air Force 2
#78 Utility Global 2
#79 Apple 1
#80 Advanced Semiconductor Engineering 1
#81 Airbus Defence And Space Gmbh 1
#82 Air Products And Chemicals 1
#83 Alchimedics 1
#84 Alcoa Usa 1
#85 Amc 1
#86 American Superconductor 1
#87 Analog Devices 1
#88 Asm Ip Holding B.V. 1
#89 Averatek 1
#90 Beihai Hkc Optoelectronics Technology Co. 1
#91 B. G. Negev Technologies And Applications Ltd., At Ben-Gurion University 1
#92 Brilliant Light Power 1
#93 Calcean Minerals And Materials 1
#94 Cambridge Enterprise Limited 1
#95 Case Western Reserve University 1
#96 Changxin Memory Technologies 1
#97 Changzhou Institute Of Technology 1
#98 Chromalloy Gas Turbine 1
#99 City University Of Hong Kong 1
#100 Colgate-Palmolive 1