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

Nuclear technology Patent Leaders in 2016 2016

Primary CPC class G21 · Section G

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 427 patents in 2014.peak 4271996: 255 patents19961997: 253 patents1998: 322 patents1999: 264 patents19992000: 185 patents2001: 257 patents2002: 263 patents20022003: 272 patents2004: 233 patents2005: 205 patents20052006: 188 patents2007: 174 patents2008: 200 patents20082009: 201 patents2010: 217 patents2011: 194 patents20112012: 244 patents2013: 335 patents2014: 427 patents20142015: 353 patents2016: 344 patents2017: 388 patents20172018: 353 patents2019: 354 patents2020: 395 patents20202021: 296 patents2022: 357 patents2023: 254 patents20232024: 288 patents2025: 269 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Lowell L. Wood, JR. 11 The Invention Science Fund I
2 Roderick A. Hyde 10 Intellectual Ventures
3 Charles Whitmer 8 Intellectual Ventures
#4 Nathan P. Myhrvold 8 The Invention Science Fund I
#5 Charles E. Ahlfeld 7 Terrapower
#6 David G. McAlees 7 Terrapower
#7 John Rogers Gilleland 7 Terrapower
#8 Krishna P. Singh 7 Holtec International
#9 Muriel Y. Ishikawa 7 The Invention Science Fund I
#10 Alexander W. Harkness 6 Westinghouse Electric
#11 George B. Zimmerman 6 Terrapower
#12 Jon D. McWhirter 6 Terrapower
#13 Eric P. Loewen 5 Ge-Hitachi Nuclear Energy Americas
#14 Geoffrey Haratyk 5 Dcns
#15 Ashok Odedra 4 Terrapower
#16 Brett J. Dooies 4 Ge-Hitachi Nuclear Energy Americas
#17 Joshua C. Walter 4 Terrapower
#18 Kevan D. Weaver 4 Terrapower
#19 Pavel Hejzlar 4 Terrapower
#20 Scott J. Shargots 4 Bwxt Mpower
#21 Thomas A. Weaver 4 The Invention Science Fund I
#22 William Earl Russell, II 4 Ge-Hitachi Nuclear Energy Americas
#23 Clarence T. Tegreene 3 Intellectual Ventures
#24 Glenn H. Isensee 3 —
#25 John D. Griffiths 3 Holtec International
#26 John T. Groome 3 Nuscale Power
#27 Jose N. Reyes, Jr. 3 Nuscale Power
#28 Kazushige Ishida 3 Hitachi-Ge Nuclear Energy
#29 Lars Hallstadius 3 Westinghouse Electric Sweden Ab
#30 Mathew W. Ales 3 Bwxt Nuclear Energy
#31 Mihai G. M. Pop 3 Areva Np
#32 Norman Rostoker 3 University of California
#33 Palvannanathan Ganesan 3 —
#34 Robert C. Petroski 3 Intellectual Ventures
#35 Stephen J. Agace 3 Holtec International
#36 Todd S. Palmer 3 Nuscale Power
#37 Alexander Thomas Burke 2 RTX (Raytheon)
#38 Atsuhiko Koizumi 2 Kabushiki Kaisha Toshiba
#39 Bradley D. Bloomquist 2 Ge-Hitachi Nuclear Energy Americas
#40 Brian Triplett 2 Visa
#41 Brian Gordon Woods 2 —
#42 Chang-Hwan Hwang 2 Samsung
#43 David Smith 2 Ge-Hitachi Nuclear Energy Americas
#44 Edward J. Lahoda 2 Westinghouse Electric
#45 Edward C. McGhee 2 Nordson
#46 Gernot Echner 2 Deutsches Krebsforschungszentrum Stiftung Des Öffentlichen Rechts
#47 Gilda Leleu 2 Tn International
#48 Haruo Kurochi 2 GE
#49 Hans Liegl 2 Siemens Aktiengesellschaft
#50 Hans-Joachim Lippert 2 Siemens Aktiengesellschaft
#51 Hideyuki Hosokawa 2 Hitachi-Ge Nuclear Energy
#52 Hung Soon Chang 2 Kepco Nuclear Fuel Co.
#53 Il-kyu Kim 2 Samsung
#54 Jayant R. Bondre 2 Areva Gmbh
#55 James M. Borsuk 2 Nordson
#56 James C. Smith 2 Nordson
#57 Jesse Iannon 2 Lockheed Martin
#58 Jin Sun Kim 2 Samsung
#59 John F. Berger 2 Ge-Hitachi Nuclear Energy Americas
#60 Jonatan Hejzlar 2 Terrapower
#61 Jonas Norling 2 GE
#62 Joon-Kyoo Park 2 Korea Nuclear Fuel Co.
#63 Jung Min Suh 2 Kepco Nuclear Fuel Co.
#64 Kamran Tavassoli 2 Areva Gmbh
#65 Kevin J. Foley 2 Westinghouse Electric
#66 Kenji Noshita 2 Hitachi-Ge Nuclear Energy
#67 Ki-Sung Choi 2 Kepco Nuclear Fuel Co.
#68 Kyong Bo Eom 2 Kepco Nuclear Fuel Co.
#69 Kyeong-Lak Jeon 2 Korea Nuclear Fuel Co.
#70 Kyu Tae Kim 2 Abclon
#71 Martin W. Brittingham 2 Ge-Hitachi Nuclear Energy Americas
#72 Melissa Allen 2 Ge-Hitachi Nuclear Energy Americas
#73 Michl W. Binderbauer 2 University of California
#74 Michael D. Heibel 2 Westinghouse Electric
#75 Motohiro Aizawa 2 Hitachi-Ge Nuclear Energy
#76 Naoto Odagawa 2 Kabushiki Kaisha Toshiba
#77 Nam-Gyu Park 2 Korea Nuclear Fuel Co.
#78 Nigel R. Stevenson 2 Clear Vascular
#79 Nicholas W. Touran 2 Intellectual Ventures
#80 Osamu Takizawa 2 Mitani Valve Co.
#81 Paul K. DeSantis 2 Bwxt Nuclear Operations Group
#82 Peng Xu 2 IBM
#83 Qiao Wu 2 Nuscale Power
#84 Raheel Haroon 2 Areva Gmbh
#85 Reiner Schulz 2 Siemens Aktiengesellschaft
#86 Richard M. Wachowiak 2 Ge-Hitachi Nuclear Energy Americas
#87 Robert Burke 2 Micron
#88 Seong-Ki Lee 2 Kepco Nuclear Fuel Co.
#89 Shengwu Chang 2 Varian Semiconductor Equipment Associates
#90 Shin-Ho Lee 2 Kepco Nuclear Fuel Co.
#91 Stephen Gonya 2 Lockheed Martin
#92 Tae Hyung Na 2 Kepco Nuclear Fuel Co.
#93 Takashi Sato 2 Kabushiki Kaisha Toshiba
#94 Tetsuya Ozawa 2 Rigaku
#95 Thomas M. Burke 2 Terrapower
#96 Thomas Koehler 2 Koniniklijke Philips N.V.
#97 Thierry Muller 2 Areva Np
#98 Thomas van Riper 2 Areva Gmbh
#99 Tomas Eriksson 2 GE
#100 Tobias Funk 2 Triple Ring Technologies

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Westinghouse Electric 25
2 Ge-Hitachi Nuclear Energy Americas 18
3 Terrapower 13
#4 Areva Gmbh 9
#5 Areva Np 9
#6 Kabushiki Kaisha Toshiba 9
#7 Mitsubishi Electric 9
#8 CEA 7
#9 Holtec International 7
#10 GE 7
#11 Hitachi-Ge Nuclear Energy 6
#12 Siemens Aktiengesellschaft 6
#13 Bwxt Nuclear Energy 5
#14 Dcns 5
#15 Nuscale Power 5
#16 University of California 5
#17 Canon 5
#18 Kepco Nuclear Fuel Co. 4
#19 Korea Atomic Energy Research Institute 4
#20 Uchicago Argonne 4
#21 Bwxt Mpower 3
#22 Bwxt Nuclear Operations Group 3
#23 Konica Minolta 3
#24 Koniniklijke Philips N.V. 3
#25 Accuray Incorporated 2
#26 Asml Netherlands B.V. 2
#27 Atomic Energy Of Canada Limited 2
#28 Carl Zeiss Smt Gmbh 2
#29 Deutsches Krebsforschungszentrum 2
#30 Energysolutions 2
#31 Global Nuclear Fuel-Americas 2
#32 Gsi Helmholtzzentrum Fuer Schwerionenforschung Gmbh 2
#33 KAIST 2
#34 Nordson 2
#35 Nuflare Technology 2
#36 Osaka University 2
#37 Precisis Gmbh 2
#38 Purdue Research Foundation 2
#39 Rigaku 2
#40 Rolls-Royce Plc 2
#41 Sandia 2
#42 Tn International 2
#43 Triple Ring Technologies 2
#44 US Air Force 2
#45 U.S. Department Of Energy 2
#46 Varian Medical Systems 2
#47 Varian Semiconductor Equipment Associates 2
#48 Westinghouse Electric Sweden Ab 2
#49 WARF 2
#50 Lockheed Martin 2
#51 Samsung 2
#52 Advanced Ceramic Fibers 1
#53 Ajou University Industry-Academic Cooperation 1
#54 Aktina 1
#55 American Science And Engineering 1
#56 Analysis And Measurement Services 1
#57 Atomic Energy Of Canada Limited/Ènergie Atomique Du Canada Limitèe 1
#58 Avantech 1
#59 Axalta Coating Systems Ip Co. 1
#60 Azz Wsi 1
#61 Bae Systems Information And Electronic Systems Integration 1
#62 Barnhardt Manufacturing 1
#63 Ben Gurion University Of The Negev Research And Development Authority 1
#64 Nevada System Of Higher Education On Behalf Of The Of The University Of Nevada, Reno 1
#65 Brigham Young University 1
#66 Bwxt Canada 1
#67 Carmax Business Services 1
#68 Central Research Institute Of Electric Power Industry 1
#69 China General Nuclear Power Group 1
#70 City Labs 1
#71 Dainichiseika Color & Chemicals Mfg. Co. 1
#72 .Decimal 1
#73 Electricite De France 1
#74 Intellectual Ventures 1
#75 Empire Technology Development 1
#76 Eos Imaging 1
#77 Fluor Technologies 1
#78 Forschungszentrum Jülich Gmbh 1
#79 General Fusion 1
#80 US Dept of Commerce 1
#81 Hallstar Innovations 1
#82 Hamamatsu Photonics K.K. 1
#83 Heraeus Noblelight Gmbh 1
#84 Hitachi 1
#85 Hitachi High-Tech Science 1
#86 Hitachi Medical 1
#87 Hitachi Zosen 1
#88 Ihi Southwest Technologies 1
#89 Incoatec Gmbh 1
#90 Innoven Energy 1
#91 Jordan Valley Semiconductors 1
#92 Jtec 1
#93 Kaken Co. 1
#94 Karlsruher Institut Für Technologie 1
#95 Ketek Gmbh 1
#96 Konecranes Global 1
#97 Korea Plant Service & Engineering Co. 1
#98 Krones Ag 1
#99 Kurion 1
#100 Lawrence Livermore National Security 1