Topic leaderboard
Fusion reactors
Ranked by the PatentIndex Score — a 1–99 percentile within G21B · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest G21B patents became public in the last 2 years — the current frontier
- 199Randell L. Mills10 patents · 179 citations
- 296Brian A. Nelson9 patents · 54 citations
- 392Uri Shumlak9 patents · 54 citations
- 488Eric Meier6 patents · 27 citations
- 583Gregory Piefer7 patents · 11 citations
- 679Adam S. Goldberg4 patents · 7 citations
- 775David Gates3 patents · 13 citations
- 871David Eimerl3 patents · 11 citations
- 967E. Michael Campbell3 patents · 11 citations
- 1063Peter H. Stoltz2 patents · 5 citations
- 1158Yuntao Song5 patents · 2 citations
- 1254Boaz Weinfeld2 patents · 4 citations
- 1350Doron Weinfeld2 patents · 4 citations
- 1446Oded Gour Lavie2 patents · 4 citations
- 1542Kun Lu4 patents · 2 citations
- 1638Carl Frederick Weggel2 patents · 3 citations
- 1733Robin B. Langtry3 patents · 0 citations
- 1829Atsushi Sunahara2 patents · 2 citations
- 1925Srinivas Gandrothula2 patents · 0 citations
- 2021Priyanca Ford1 patents · 2 citations
- 2117Robert Weggel1 patents · 2 citations
- 2213Chen Liu2 patents · 1 citations
- 238Gerald Peter Jackson2 patents · 1 citations
- 244Wei Wen2 patents · 1 citations
- 251Xuebing Peng2 patents · 1 citations
Active· last 5 yrs
Sustained G21B output across the last 5 years
- 199Michl W. Binderbauer34 patents · 1,106 citations
- 296Eusebio Garate15 patents · 424 citations
- 392Vitaly Bystritskii10 patents · 316 citations
- 488Douglas H. Richardson11 patents · 145 citations
- 583Sergei Putvinski10 patents · 126 citations
- 679Artem N. Smirnov7 patents · 100 citations
- 775Michel Tuszewski6 patents · 96 citations
- 871Randell L. Mills10 patents · 179 citations
- 967Brian A. Nelson9 patents · 54 citations
- 1063Uri Shumlak9 patents · 54 citations
- 1158Stephen James Howard5 patents · 56 citations
- 1254Eric Meier6 patents · 27 citations
- 1350Toshiki Tajima5 patents · 29 citations
- 1446Dennis Cravens5 patents · 44 citations
- 1542Thomas John Mcguire12 patents · 24 citations
- 1638Hiroshi Gota4 patents · 26 citations
- 1733Robert O. Hunter, Jr.13 patents · 22 citations
- 1829Meritt Reynolds4 patents · 41 citations
- 1925Gregory Piefer7 patents · 11 citations
- 2021Samuel A. Cohen9 patents · 13 citations
- 2117Adam S. Goldberg4 patents · 7 citations
- 2213David Gates3 patents · 13 citations
- 238Cary Brett Forest4 patents · 10 citations
- 244Raymond Golingo2 patents · 13 citations
- 251Jay Keith Anderson3 patents · 10 citations
All-time canon
Career PatentIndex Score in G21B
- 199Norman Rostoker35 patents · 1,817 citations
- 296Michl W. Binderbauer34 patents · 1,106 citations
- 392Artan Qerushi6 patents · 329 citations
- 488Hooshang Tahsiri6 patents · 329 citations
- 583Hendrik J. Monkhorst11 patents · 719 citations
- 679Eusebio Garate15 patents · 424 citations
- 775Vitaly Bystritskii10 patents · 316 citations
- 871Winfield W. Salisbury8 patents · 452 citations
- 967Tihiro Ohkawa8 patents · 256 citations
- 1063Robert W. Bussard10 patents · 289 citations
- 1158Douglas H. Richardson11 patents · 145 citations
- 1254Sergei Putvinski10 patents · 126 citations
- 1350Harry R. Clark, Jr.5 patents · 117 citations
- 1446Charles D. Hendricks5 patents · 158 citations
- 1542Artem N. Smirnov7 patents · 100 citations
- 1638Michel Tuszewski6 patents · 96 citations
- 1733Randell L. Mills10 patents · 179 citations
- 1829Dennis R. Alexander4 patents · 158 citations
- 1925Daniel R. Wells4 patents · 181 citations
- 2021William S. Jarnagin3 patents · 341 citations
- 2117Brian A. Nelson9 patents · 54 citations
- 2213Uri Shumlak9 patents · 54 citations
- 238Georges R. P. Marie4 patents · 124 citations
- 244Ross Tessien7 patents · 78 citations
- 251Bruno Coppi5 patents · 72 citations
Rising· last 2 yrs
The top-scoring G21B patents made public in the last 2 years
- 199US12100520B2✦ AIPlanar coil stellarator5 cites · 202469% earned
- 296US12283468B2✦ AIMethods and systems for increasing energy output in Z-pinch plasma confinement system2 cites · 202467% earned
- 392US12154694B2✦ AIMagnetic confinement fusion reactor1 cites · 202467% earned
- 488US12009112B2Fusion generator2 cites · 202476% earned
- 583US12387853B1Synchronized light source for laser fusion system and method for energy generation1 cites · 202567% earned
- 679US12315644B2Reactor for producing a nuclear fusion reaction0 cites · 20240% earned
- 775US12416822B1Laser beam extraction using distributed bragg reflector (DBR) mirror systems with a piezoe0 cites · 20250% earned
- 871US12075550B2Flexible driver laser for inertial fusion energy0 cites · 20240% earned
- 967US12442094B2Electrical power generation systems and methods regarding same0 cites · 20240% earned
- 1063US12119609B2High intensity pulse laser generation system and method0 cites · 20240% earned
- 1158US12505931B2Segmented reaction chamber for radioisotope production0 cites · 20240% earned
- 1254US12302485B2High efficiency plasma creation system and method0 cites · 20240% earned
- 1350US12254998B2Method of making a mercury based compound, mercury based compound, methods of using the me0 cites · 20240% earned
- 1446US12586702B2High temperature superconductor magnet0 cites · 20250% earned
- 1542US12191649B2Compact high voltage electric feedthrough0 cites · 20240% earned
- 1638US12451260B2Planar coil stellarator including removable field shaping units0 cites · 20250% earned
- 1733US12512227B2Plasma-facing component cooling0 cites · 20240% earned
- 1829US12597527B1Fuel pellet configured with internal reflection for an inertial fusion reaction0 cites · 20260% earned
- 1925US12597528B1Single laser synchronized light source for fusion system and method for energy generation0 cites · 20260% earned
- 2021US12278016B1Two-stage process for hydrogen isotope loading in a cathode material0 cites · 20250% earned
- 2117US12410709B1Compound parabolic concentrator arrangement0 cites · 20250% earned
- 2213US12400789B2Multi-degree-of-freedom conductor automatic depositing system for tokamak toroidal field c0 cites · 20250% earned
- 238US12255056B2Diagnostic method and system for measuring potential and electric field of plasma0 cites · 20240% earned
- 244US12476014B1Reduced neutron emission target for fusion energy generation0 cites · 20250% earned
- 251US12417852B1Ion transport0 cites · 20250% earned
Active· last 5 yrs
The top-scoring G21B patents of the last 5 years
- 199US11758640B2✦ AIApparatus and method for extended plasma confinement11 cites · 202276% earned
- 296US12009111B2✦ AIPlanar coil stellarator8 cites · 202373% earned
- 392US11634824B2✦ AIDevice for performing electrolysis of water, and a system thereof7 cites · 202286% earned
- 488US10966310B1High-energy plasma generator using radio-frequency and neutral beam power9 cites · 202177% earned
- 583US11515050B1Mitigating plasma instability8 cites · 202280% earned
- 679US12245351B2Plasma confinement system4 cites · 202375% earned
- 775US11784454B1High intensity pulse laser generation system and method5 cites · 202372% earned
- 871US12183556B2Methods and systems for increasing energy output in Z-pinch plasma confinement system3 cites · 202372% earned
- 967US11646139B2Stellarator magnet based on cubic permanent magnet blocks and arrangement optimization met5 cites · 202284% earned
- 1063US11856683B2High efficiency plasma creation system and method4 cites · 202370% earned
- 1158US11929182B2Systems and methods for improved sustainment of a high performance FRC and high harmonic f3 cites · 202272% earned
- 1254US11333069B2Power generation systems and methods regarding same4 cites · 202167% earned
- 1350US11200990B2Systems and methods for merging and compressing compact tori4 cites · 202167% earned
- 1446US11337294B2Systems and methods for forming and maintaining a high performance FRC4 cites · 202170% earned
- 1542US11589451B2Dense plasma focus devices having first and second DPF accelerators4 cites · 202282% earned
- 1638US11615896B2Systems and methods for radial and axial stability control of an FRC plasma3 cites · 202267% earned
- 1733US12028960B2System and method for alfvenic reconnecting plasmoid plasma acceleration3 cites · 202272% earned
- 1829US11894150B2Systems and methods for improved sustainment of a high performance FRC with multi-scaled c2 cites · 202361% earned
- 1925US12154694B2Magnetic confinement fusion reactor1 cites · 202467% earned
- 2021US12009112B2Fusion generator2 cites · 202476% earned
- 2117US11749415B2Thermophotovoltaic electrical power generator network2 cites · 202261% earned
- 2213US11885034B2Electrical power generation systems and methods regarding same2 cites · 202261% earned
- 238US12387853B1Synchronized light source for laser fusion system and method for energy generation1 cites · 202567% earned
- 244US11823803B2Multi-node reactor for producing a cyclized nuclear fusion reaction1 cites · 202342% earned
- 251US11948696B2Neutron generator using superconducting coils for electrostatic heating and magnetic confi1 cites · 202350% earned
All-time canon
The defining G21B patents of the whole record
- 199US4664769A✦ AIPhotoelectric enhanced plasma glow discharge system and method including radiation means518 cites · 198795% earned
- 296US6261648B1✦ AIPlasma facing components of nuclear fusion reactors employing tungsten materials368 cites · 200191% earned
- 392US6610375B2✦ AIPlasma facing components of nuclear fusion reactors employing tungsten materials364 cites · 200291% earned
- 488US4333796AMethod of generating energy by acoustically induced cavitation fusion and reactor therefor223 cites · 198294% earned
- 583US5659173AConverting acoustic energy into useful other energy forms215 cites · 199794% earned
- 679US5577092ACluster beam targets for laser plasma extreme ultraviolet and soft x-ray sources191 cites · 199694% earned
- 775US4504964ALaser beam plasma pinch X-ray system145 cites · 198593% earned
- 871US6611106B2Controlled fusion in a field reversed configuration and direct energy conversion144 cites · 200380% earned
- 967US5015432AMethod and apparatus for generating and utilizing a compound plasma configuration140 cites · 199193% earned
- 1063US4314879AProduction of field-reversed mirror plasma with a coaxial plasma gun138 cites · 198293% earned
- 1158US6024935ALower-energy hydrogen methods and structures136 cites · 200093% earned
- 1254US4563341AMethod and means for converting graphite to diamond135 cites · 198693% earned
- 1350US5160695AMethod and apparatus for creating and controlling nuclear fusion reactions134 cites · 199293% earned
- 1446US7973296B2Electromagnetic systems with double-resonant spiral coil components134 cites · 201093% earned
- 1542US4274919ASystems for merging of toroidal plasmas132 cites · 198193% earned
- 1638US4415512AMethod and apparatus for producing hollow metal microspheres and microspheroids126 cites · 198393% earned
- 1733US6593539B1Apparatus and methods for controlling charged particles125 cites · 200390% earned
- 1829US4367130AChemical reaction123 cites · 198393% earned
- 1925US4202725AConverging beam fusion system122 cites · 198093% earned
- 2021US4246067AThermonuclear fusion system119 cites · 198193% earned
- 2117US4267488AContainment of plasmas at thermonuclear temperatures119 cites · 198193% earned
- 2213US5585020AProcess for the production of nanoparticles116 cites · 199693% earned
- 238US4347621ATrochoidal nuclear fusion reactor115 cites · 198293% earned
- 244US4639348ARecyclotron III, a recirculating plasma fusion system115 cites · 198793% earned
- 251US4459145AFabrication of glass microspheres with conducting surfaces114 cites · 198493% earned
Rising· last 2 yrs
Assignees whose newest G21B patents became public in the last 2 years — the current frontier
- 199GENERAL FUSION INC16 patents · 116 citations
- 296BRILLIANT LIGHT POWER INC9 patents · 43 citations
- 392UNIV PRINCETON11 patents · 54 citations
- 488ZAP ENERGY INC7 patents · 27 citations
- 583TOKAMAK ENERGY LTD34 patents · 6 citations
- 679BLUE LASER FUSION INC8 patents · 6 citations
- 775SHINE TECHNOLOGIES LLC6 patents · 2 citations
- 871HEFEI INST PHYSICAL SCI CAS7 patents · 2 citations
- 967N T TAO LTD2 patents · 4 citations
- 1063HEFEI INST OF PHYSICAL SCIENCES CHINESE ACADEMY OF SCIENCES3 patents · 5 citations
- 1158KRONOS FUSION ENERGY IP HOLDING COMPANY LLC1 patents · 2 citations
- 1254BEAM ALPHA INC2 patents · 1 citations
- 1350AVALANCHE ENERGY DESIGNS INC2 patents · 0 citations
- 1446HELION ENERGY INC2 patents · 0 citations
- 1542LOGOS TECH HOLDCO INC1 patents · 0 citations
- 1638COMMONWEALTH FUSION SYSTEMS LLC2 patents · 0 citations
- 1733CONS NUCLEAR SECURITY LLC2 patents · 0 citations
- 1829PAREKH SUNEEL NAVNITDAS1 patents · 0 citations
- 1925UNIV ANHUI AGRICULTURAL2 patents · 0 citations
- 2021THEA ENERGY INC1 patents · 0 citations
- 2117Equilibria Power1 patents · 0 citations
- 2213MIURA KOGYO KK1 patents · 0 citations
- 238PITCHER CHARLES SPENCER1 patents · 0 citations
- 244SALVINO CHRIS1 patents · 0 citations
- 251UNIV CORNELL1 patents · 0 citations
Active· last 5 yrs
Sustained G21B output across the last 5 years
- 199TAE TECH INC28 patents · 156 citations
- 296MASSACHUSETTS INST TECHNOLOGY9 patents · 117 citations
- 392GENERAL FUSION INC16 patents · 116 citations
- 488COMMISSARIAT ENERGIE ATOMIQUE10 patents · 66 citations
- 583BRILLIANT LIGHT POWER INC9 patents · 43 citations
- 679UNIV PRINCETON11 patents · 54 citations
- 775ZAP ENERGY INC7 patents · 27 citations
- 871LOCKHEED CORP11 patents · 24 citations
- 967UNIV WASHINGTON3 patents · 27 citations
- 1063L LIVERMORE NAT SECURITY LLC8 patents · 18 citations
- 1158TOKAMAK ENERGY LTD34 patents · 6 citations
- 1254BLUE LASER FUSION INC8 patents · 6 citations
- 1350WISCONSIN ALUMNI RES FOUND4 patents · 10 citations
- 1446X DEV LLC2 patents · 11 citations
- 1542SHINE TECHNOLOGIES LLC6 patents · 2 citations
- 1638LOGOS TECH LLC2 patents · 11 citations
- 1733HUNTER ROBERT O JR5 patents · 3 citations
- 1829HEFEI INST PHYSICAL SCI CAS7 patents · 2 citations
- 1925N T TAO LTD2 patents · 4 citations
- 2021HEFEI INST OF PHYSICAL SCIENCES CHINESE ACADEMY OF SCIENCES3 patents · 5 citations
- 2117EPINOVATECH AB1 patents · 7 citations
- 2213FREENT TECH INC1 patents · 4 citations
- 238KRONOS FUSION ENERGY IP HOLDING COMPANY LLC1 patents · 2 citations
- 244BEAM ALPHA INC2 patents · 1 citations
- 251HORNE TECH INC1 patents · 1 citations
All-time canon
All-time PatentIndex Score in G21B
- 199UNIV CALIFORNIA36 patents · 1,799 citations
- 296US ENERGY103 patents · 2,367 citations
- 392ENERGY PROFILES INC7 patents · 413 citations
- 488ROSTOKER NORMAN5 patents · 208 citations
- 583GEN ATOMIC CO6 patents · 305 citations
- 679TOSHIBA KK7 patents · 245 citations
- 775UNIV FLORIDA4 patents · 232 citations
- 871GA TECHNOLOGIES INC7 patents · 222 citations
- 967JAPAN ATOMIC ENERGY RES INST6 patents · 747 citations
- 1063KMS FUSION INC12 patents · 228 citations
- 1158TAE TECH INC28 patents · 156 citations
- 1254UNIV ROCHESTER10 patents · 253 citations
- 1350MASSACHUSETTS INST TECHNOLOGY9 patents · 117 citations
- 1446US ARMY10 patents · 189 citations
- 1542HAMPSHIRE INSTR INC5 patents · 149 citations
- 1638HITACHI LTD6 patents · 171 citations
- 1733GENERAL FUSION INC16 patents · 116 citations
- 1829US NAVY6 patents · 160 citations
- 1925MAX PLANCK GESELLSCHAFT4 patents · 126 citations
- 2021US AIR FORCE4 patents · 101 citations
- 2117IMPULSE DEVICES INC6 patents · 77 citations
- 2213COMMISSARIAT ENERGIE ATOMIQUE10 patents · 66 citations
- 238BRILLIANT LIGHT POWER INC9 patents · 43 citations
- 244UNIV PRINCETON11 patents · 54 citations
- 251MITSUBISHI ELECTRIC CORP9 patents · 52 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth