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

Nuclear technology Patent Leaders in 2017 2017

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 Roderick A. Hyde 21 Intellectual Ventures
2 Lowell L. Wood, JR. 19 The Invention Science Fund I
3 Krishna P. Singh 16 Holtec International
#4 Joshua C. Walter 14 Terrapower
#5 Thomas A. Weaver 14 The Invention Science Fund I
#6 Muriel Y. Ishikawa 13 The Invention Science Fund I
#7 Nathan P. Myhrvold 12 The Invention Science Fund I
#8 Charles Whitmer 10 Intellectual Ventures
#9 Charles E. Ahlfeld 9 Terrapower
#10 Clarence T. Tegreene 9 Intellectual Ventures
#11 George B. Zimmerman 9 Terrapower
#12 Victoria Y.H. Wood 8 The Invention Science Fund I
#13 David G. McAlees 7 Terrapower
#14 Scott J. Shargots 7 Bwxt Mpower
#15 John Rogers Gilleland 6 Terrapower
#16 John D. Malloy, III 5 Bwxt Mpower
#17 Matthew W. Ales 5 Bwxt Mpower
#18 Chang-Hwan Hwang 4 Samsung
#19 Dirk Blavius 4 Areva Np
#20 Ehud Greenspan 4 Terrapower
#21 Hiroshi Fujimoto 4 Fujitsu Limited
#22 Hung Soon Chang 4 Kepco Nuclear Fuel Co.
#23 Jon D. McWhirter 4 Terrapower
#24 Kevan D. Weaver 4 Terrapower
#25 Robert C. Petroski 4 Intellectual Ventures
#26 Ashok Odedra 3 Terrapower
#27 Erhard Friedrich 3 Areva Np
#28 Heikki Johannes Sipilä 3 Oxford Instruments Analytical Oy
#29 Hironobu Shinohara 3 Japan Synthetic Rubber
#30 Hiroshi Shirasawa 3 Mitsubishi Electric
#31 Joseph Rajkumar 3 Holtec International
#32 John M. Scaglione 3 Ut-Battelle
#33 John C. Wagner 3 Gas Technology Institute
#34 Keung Koo Kim 3 Korea Atomic Energy Research Institute
#35 Majid Borairi 3 Atomic Energy Of Canada Limited
#36 Michael J. Edwards 3 Bwxt Mpower
#37 Pavel Hejzlar 3 Terrapower
#38 Sang Jong Lee 3 Samsung
#39 Shinji Kiuchi 3 Mitsubishi Electric
#40 Stephen J. Agace 3 Holtec International
#41 Tae Hyung Na 3 Kepco Nuclear Fuel Co.
#42 Takashi Sato 3 Kabushiki Kaisha Toshiba
#43 Toshiki Fukui 3 Mitsubishi Electric
#44 Yasutake Akizuki 3 Mitsubishi Electric
#45 Yuichi Tanaka 3 Cosmo Oil Co.
#46 Alexander W. Harkness 2 Westinghouse Electric
#47 Aleksandr Viktorovich Lopatkin 2 State Atomic Energy Corporation “Rosatom” Acts On Behalf Of The Russian Federation
#48 Alain Ravenet 2 CEA
#49 Arnd Baurichter 2 Siemens Aktiengesellschaft
#50 Atsuhiko Koizumi 2 Kabushiki Kaisha Toshiba
#51 Bill Hansen 2 Moxtek
#52 Brett J. Dooies 2 Ge-Hitachi Nuclear Energy Americas
#53 Christophe Dufour 2 Getinge La Calhene
#54 Cheon Tae Park 2 Korea Atomic Energy Research Institute
#55 David L. Adler 2 —
#56 Dae-Yong Song 2 Korea Atomic Energy Research Institute
#57 Deming Shu 2 Uchicago Argonne
#58 Dong-Joo Kim 2 Korea Atomic Energy Research Institute
#59 Eric P. Loewen 2 Ge-Hitachi Nuclear Energy Americas
#60 Eric Miller 2 Moxtek
#61 Eusebio Garate 2 University of California
#62 Ewald Roessl 2 Koniniklijke Philips N.V.
#63 Gregory E. Dale 2 Triad National Security
#64 Hee-Sung Shin 2 Korea Atomic Energy Research Institute
#65 Hirofumi Kan 2 Hamamatsu Photonics K.K.
#66 Hideo Yoshida 2 Mitsubishi Electric
#67 Ho-Dong Kim 2 Samsung
#68 Iain May 2 British Nuclear Fuels Plc
#69 Jae Don Choi 2 Kepco Nuclear Fuel Co.
#70 James B. Inman 2 Bwxt Nuclear Energy
#71 James Edward Allan McGregor 2 Atomic Energy Of Canada Limited
#72 Jeffrey T. Dederer 2 Westinghouse Electric
#73 John D. Griffiths 2 Holtec International
#74 Jong-Hun Kim 2 LG
#75 Joo Hyung MOON 2 Korea Atomic Energy Research Institute
#76 Joseph Rajkumar 2 Smr Inventec
#77 John Wilson 2 Spdi Holdings
#78 Julien Felix 2 Abc Transfer
#79 Justin Henspeter 2 IBM
#80 Ju Young Lee 2 LG
#81 Keon-Sik Kim 2 Korea Atomic Energy Research Institute
#82 Kenichi Moteki 2 Mitsubishi Electric
#83 Kentaro Nagai 2 Yazaki
#84 Keun Bae Park 2 Korea Atomic Energy Research Institute
#85 Kihwan Kim 2 NVIDIA
#86 Lawrence C. Murdoch 2 Grand Abyss
#87 Leonid Germanovich 2 Grand Abyss
#88 Marvin Robinowitz 2 Grand Abyss
#89 Martin van Staden 2 X-Energy
#90 Maxime Zabiego 2 CEA
#91 Melissa Allen 2 Ge-Hitachi Nuclear Energy Americas
#92 Michael D. Heibel 2 Westinghouse Electric
#93 Motoo Aoyama 2 Hitachi
#94 Myoung Goo Lee 2 Kepco Engineering & Construction Company
#95 Nicholas R. Gilman 2 Ge-Hitachi Nuclear Energy Americas
#96 Nicholas Hawker 2 Oxford University
#97 Oliver Heid 2 Siemens Aktiengesellschaft
#98 Paul E. Cantonwine 2 Global Nuclear Fuel-Americas
#99 Peter Cabauy 2 City Labs
#100 Richard M. Springman 2 Holtec International

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Terrapower 23
2 Westinghouse Electric 22
3 Bwxt Mpower 15
#4 Korea Atomic Energy Research Institute 14
#5 Mitsubishi Electric 14
#6 Ge-Hitachi Nuclear Energy Americas 12
#7 Holtec International 12
#8 CEA 11
#9 Kabushiki Kaisha Toshiba 10
#10 Areva Np 7
#11 Atomic Energy Of Canada Limited 7
#12 Kepco Nuclear Fuel Co. 7
#13 GE 6
#14 Smr Inventec 5
#15 Areva Gmbh 4
#16 Getinge La Calhene 4
#17 Global Nuclear Fuel-Americas 4
#18 Siemens Aktiengesellschaft 4
#19 University of California 4
#20 Ut-Battelle 4
#21 Bwxt Nuclear Energy 3
#22 Hitachi 3
#23 Hs Foils Oy 3
#24 Kepco Engineering & Construction Company 3
#25 Korea Hydro & Nuclear Power Co. 3
#26 The Boeing 3
#27 Unknown 3
#28 Analogic 2
#29 Asml Netherlands B.V. 2
#30 Ben Gurion University Of The Negev Research And Development Authority 2
#31 City Labs 2
#32 Dcns 2
#33 Doosan Heavy Industries & Construction Co. 2
#34 Grand Abyss 2
#35 Hamamatsu Photonics K.K. 2
#36 Hitachi-Ge Nuclear Energy 2
#37 Hitachi Zosen 2
#38 Kla-Tencor 2
#39 Konica Minolta 2
#40 Koniniklijke Philips N.V. 2
#41 Los Alamos National Security 2
#42 MIT 2
#43 Mhe Technologies 2
#44 Moxtek 2
#45 Nac International 2
#46 Nuctech Company Limited 2
#47 Nuscale Power 2
#48 Oxford University 2
#49 Sandia 2
#50 Savannah River Nuclear Solutions 2
#51 State Atomic Energy Corporation “Rosatom” Acts On Behalf Of The Russian Federation 2
#52 Svxr 2
#53 Tn International 2
#54 Tokyo Institute Of Technology 2
#55 Tsinghua University 2
#56 Uchicago Argonne 2
#57 U.S. Department Of Energy 2
#58 Westinghouse Electric Germany Gmbh 2
#59 X-Energy 2
#60 Canon 2
#61 Honeywell 2
#62 IBM 2
#63 Advanced Reactor Concepts 1
#64 Agfa Healthcare Nv 1
#65 Agilent Technologies 1
#66 Ald Vacuum Technologies Gmbh 1
#67 American Ceramic Technology 1
#68 Atomic Energy Of Canada Limited/Ènergie Atomique Du Canada Limitèe 1
#69 Australian Nuclear Science And Technology Organisation 1
#70 Beijing Normal University 1
#71 Bruker Jv Israel 1
#72 Bwxt Canada 1
#73 Bwx Technologies 1
#74 Bwxt Nuclear Operations Group 1
#75 Candu Energy 1
#76 Carl Zeiss Smt Gmbh 1
#77 Carl Zeiss X-Ray Microscopy 1
#78 CNRS 1
#79 China Nuclear Power Technology Research Institute Co. 1
#80 Continuum Dynamics 1
#81 Dainichiseika Color & Chemicals Mfg. Co. 1
#82 Dominion Engineering 1
#83 Dowa Holdings Co. 1
#84 Electric Power Research Institute 1
#85 Fei 1
#86 Fuji Electric Co. 1
#87 Fujifilm 1
#88 General Atomics 1
#89 Globalfoundries 1
#90 Green Swan 1
#91 Hbar Technologies 1
#92 Hitachi High-Technologies 1
#93 Horiba 1
#94 Hrl Laboratories 1
#95 Institute Of Nuclear Energy Research 1
#96 Institute Of Nuclear Energy Research, Atomic Energy Council 1
#97 Jefferson Science Associates 1
#98 Jnc 1
#99 Konecranes Global 1
#100 KAIST 1