Topic leaderboard
Electric discharge tubes or lamps
Ranked by the PatentIndex Score — a 1–99 percentile within H01J · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest H01J patents became public in the last 2 years — the current frontier
- 199Fred Alokozai6 patents · 2,503 citations
- 296Chien-Teh Kao24 patents · 2,637 citations
- 392Soonam Park73 patents · 3,590 citations
- 488See-Eng Phan11 patents · 835 citations
- 583Mikhail Korolik16 patents · 1,888 citations
- 679Satoru Kawakami34 patents · 1,515 citations
- 775Toan Q. Tran24 patents · 1,111 citations
- 871Arthur M. Howald31 patents · 1,475 citations
- 967Dongqing Yang17 patents · 1,060 citations
- 1063Jereld Lee Winkler7 patents · 1,832 citations
- 1158Yohei Yamazawa66 patents · 1,236 citations
- 1254Victor Brouk31 patents · 1,713 citations
- 1350Zheng Ouyang86 patents · 1,940 citations
- 1446John Drewery41 patents · 846 citations
- 1542David J. Coumou40 patents · 1,107 citations
- 1638Felix Kozakevich53 patents · 1,184 citations
- 1733Timothy Ziemba52 patents · 1,282 citations
- 1829John G. Carscadden34 patents · 1,079 citations
- 1925Ilia Slobodov37 patents · 1,042 citations
- 2021Erkinjon G. Nazarov30 patents · 967 citations
- 2117David E. Clemmer20 patents · 781 citations
- 2213James Prager37 patents · 1,001 citations
- 238Leonid Dorf56 patents · 914 citations
- 244Kenneth Brian Doering9 patents · 1,071 citations
- 251Olivier Luere30 patents · 658 citations
Active· last 5 yrs
Sustained H01J output across the last 5 years
- 199Fred Alokozai6 patents · 2,503 citations
- 296Anchuan Wang103 patents · 12,603 citations
- 392Chien-Teh Kao24 patents · 2,637 citations
- 488Tsutae Shinoda46 patents · 3,531 citations
- 583Atsuki Fukazawa15 patents · 2,831 citations
- 679Ryu Nakano12 patents · 2,400 citations
- 775Zihui Li26 patents · 2,508 citations
- 871Akira Koshiishi62 patents · 2,746 citations
- 967Masayuki Wakitani17 patents · 2,120 citations
- 1063David W. Groechel33 patents · 3,332 citations
- 1158Canfeng Lai31 patents · 1,996 citations
- 1254Anthony De La Llera21 patents · 2,092 citations
- 1350Soonam Park73 patents · 3,590 citations
- 1446Masayuki Tomoyasu19 patents · 1,484 citations
- 1542Jay D. Pinson, Ii28 patents · 2,232 citations
- 1638Fangli Hao23 patents · 1,764 citations
- 1733Roger Patrick20 patents · 1,666 citations
- 1829Qiwei Liang36 patents · 1,695 citations
- 1925See-Eng Phan11 patents · 835 citations
- 2021Alan M. Schoepp23 patents · 1,742 citations
- 2117Mikhail Korolik16 patents · 1,888 citations
- 2213Satoru Kawakami34 patents · 1,515 citations
- 238Tom K. Cho33 patents · 2,199 citations
- 244Jian J. Chen25 patents · 1,481 citations
- 251Elmar Platzgummer50 patents · 3,015 citations
All-time canon
Career PatentIndex Score in H01J
- 199Yasunobu Noguchi25 patents · 3,491 citations
- 296Kensho Sakano24 patents · 3,490 citations
- 392Toshio Moriguchi24 patents · 3,490 citations
- 488Kam S. Law28 patents · 5,590 citations
- 583Salvador P. Umotoy20 patents · 5,573 citations
- 679David N. Wang15 patents · 4,942 citations
- 775Cissy Leung13 patents · 4,068 citations
- 871Dan Maydan36 patents · 7,107 citations
- 967John A. Adamik10 patents · 3,355 citations
- 1063Ilya Perlov9 patents · 3,347 citations
- 1158T. William Hutchens26 patents · 2,532 citations
- 1254Daniel P. Little12 patents · 1,890 citations
- 1350Fred Alokozai6 patents · 2,503 citations
- 1446Robert Brennan Milligan5 patents · 2,503 citations
- 1542Stefan Wolff12 patents · 3,884 citations
- 1638Charles Dornfest14 patents · 3,742 citations
- 1733Anchuan Wang103 patents · 12,603 citations
- 1829Chien-Teh Kao24 patents · 2,637 citations
- 1925Tsutae Shinoda46 patents · 3,531 citations
- 2021Alex Schreiber8 patents · 3,214 citations
- 2117Kevin Fairbairn16 patents · 3,311 citations
- 2213Atsuki Fukazawa15 patents · 2,831 citations
- 238Avi Tepman35 patents · 4,217 citations
- 244Lee Luo10 patents · 2,740 citations
- 251Ryu Nakano12 patents · 2,400 citations
Rising· last 2 yrs
The top-scoring H01J patents made public in the last 2 years
- 199USD1040304S✦ AIDeposition ring for physical vapor deposition chamber19 cites · 202481% earned
- 296US12474640B2✦ AIIntegration of dry development and etch processes for EUV patterning in a single process c4 cites · 202575% earned
- 392US12261016B1✦ AIElectron detection device and scanning electron microscope2 cites · 202576% earned
- 488US11869747B1Atomic layer etching by electron wavefront5 cites · 202472% earned
- 583US12347659B2Electrostatic chuck assembly for cryogenic applications3 cites · 202467% earned
- 679US12085497B1Nanoparticle analysis for ultra-low level concentrations of nanoparticles in fluid samples4 cites · 202482% earned
- 775US12027348B2Electron bias control signals for electron enhanced material processing3 cites · 202463% earned
- 871US12474638B2Underlayer for photoresist adhesion and dose reduction2 cites · 202458% earned
- 967US11978619B2Ion shuttling system with compensation electrodes for ion trap4 cites · 202470% earned
- 1063US12322572B2Systems and methods for tuning a MHz RF generator within a cycle of operation of a kHz RF 2 cites · 202467% earned
- 1158US11978613B2Transition control in a bias supply4 cites · 202482% earned
- 1254US12094703B1Single-side stopping and vibration absorbing lamp sleeve and electrodeless lamp illuminati2 cites · 202476% earned
- 1350US12255051B2Multi-shape voltage pulse trains for uniformity and etch profile tuning3 cites · 202480% earned
- 1446US11961696B1Ion source cathode3 cites · 202480% earned
- 1542US12237148B2Plasma processing assembly using pulsed-voltage and radio-frequency power2 cites · 202455% earned
- 1638US12159766B2Plasma generating apparatus and method for operating same2 cites · 202458% earned
- 1733US12249486B2Plasma processing apparatus and plasma processing method2 cites · 202461% earned
- 1829US12217930B2Systems and methods for thermally conditioning a wafer in a charged particle beam apparatu2 cites · 202461% earned
- 1925US12400902B2Carrier ring designs for controlling deposition on wafer bevel/edge2 cites · 202461% earned
- 2021US12112919B2Load current derived switch timing of switching resonant topology2 cites · 202467% earned
- 2117US12374518B2Planar filament with focused, central electron emission2 cites · 202467% earned
- 2213US12175648B2Method implemented by a data processing apparatus, and charged particle beam device for in2 cites · 202467% earned
- 238US12283468B2Methods and systems for increasing energy output in Z-pinch plasma confinement system2 cites · 202467% earned
- 244US11996260B2Graphite x-ray window2 cites · 202467% earned
- 251US12057320B2Hydrogen peroxide plasma etch of ashable hard mask2 cites · 202476% earned
Active· last 5 yrs
The top-scoring H01J patents of the last 5 years
- 199US11749877B2✦ AIStapling instrument comprising a signal antenna33 cites · 202291% earned
- 296US11314168B2✦ AIUnderlayer for photoresist adhesion and dose reduction24 cites · 202280% earned
- 392US11150609B1✦ AITrapped ion platform with optical input and output28 cites · 202191% earned
- 488USD1040304SDeposition ring for physical vapor deposition chamber19 cites · 202481% earned
- 583US11085882B1Multiphase laser ablation analysis instrument22 cites · 202182% earned
- 679US11670487B1Bias supply control and data processing14 cites · 202380% earned
- 775US11231349B1Intelligent system and method for preparing cryo-electron microscopy samples and electroni17 cites · 202289% earned
- 871US11437221B2Spatial monitoring and control of plasma processing environments16 cites · 202184% earned
- 967US11079682B1Methods for extreme ultraviolet (EUV) resist patterning development18 cites · 202184% earned
- 1063US11037776B1Apparatuses, systems, and methods for ion traps21 cites · 202185% earned
- 1158US11056332B1Microfabricated ion trap chip with in situ radio-frequency sensing18 cites · 202189% earned
- 1254US11577314B2Spheroidal titanium metallic powders with custom microstructures14 cites · 202180% earned
- 1350US11569066B2Pulsed voltage source for plasma processing applications14 cites · 202280% earned
- 1446US11476090B1Voltage pulse time-domain multiplexing14 cites · 202283% earned
- 1542US11282677B2Spatial monitoring and control of plasma processing environments15 cites · 202176% earned
- 1638US11694876B2Apparatus and method for delivering a plurality of waveform signals during plasma processi10 cites · 202381% earned
- 1733US11657980B1Dielectric fluid variable capacitor10 cites · 202387% earned
- 1829US11462389B2Pulsed-voltage hardware assembly for use in a plasma processing system12 cites · 202274% earned
- 1925US11043359B2Charged particle beam apparatus and charged particle beam inspection system14 cites · 202189% earned
- 2021US11549954B2Mass spectrometric determination of non-derivatized, non-metabolized vitamin D9 cites · 202268% earned
- 2117US11942309B2Bias supply with resonant switching9 cites · 202381% earned
- 2213US11527385B2Systems and methods for calibrating capacitors of matching networks11 cites · 202288% earned
- 238US11264209B2Application of modulating supplies in a plasma processing system13 cites · 202177% earned
- 244US11536755B2System and method for arc detection using a bias RF generator signal13 cites · 202188% earned
- 251US11170965B2System for generating X-ray beams from a liquid target12 cites · 202171% earned
All-time canon
The defining H01J patents of the whole record
- 199US5998925A✦ AILight emitting device having a nitride compound semiconductor and a phosphor containing a 1,571 cites · 199982% earned
- 296US7388217B2✦ AIParticle-optical projection system1,464 cites · 200793% earned
- 392US6511539B1✦ AIApparatus and method for growth of a thin film1,224 cites · 200390% earned
- 488US5558717ACVD Processing chamber1,163 cites · 199693% earned
- 583US5000113AThermal CVD/PECVD reactor and use for thermal chemical vapor deposition of silicon dioxide1,100 cites · 199190% earned
- 679US7394190B2Luminous lamp having an ultraviolet filtering and explosion proof thin film1,016 cites · 200695% earned
- 775US5872010AMicroscale fluid handling system968 cites · 199995% earned
- 871US6387207B1Integration of remote plasma generator with semiconductor processing chamber944 cites · 200295% earned
- 967US5356478APlasma cleaning method for removing residues in a plasma treatment chamber892 cites · 199495% earned
- 1063US5134965AProcessing apparatus and method for plasma processing866 cites · 199295% earned
- 1158US5846332AThermally floating pedestal collar in a chemical vapor deposition chamber863 cites · 199891% earned
- 1254US6565763B1Method for manufacturing porous structure and method for forming pattern806 cites · 200385% earned
- 1350US6079356AReactor optimized for chemical vapor deposition of titanium766 cites · 200095% earned
- 1446US9017481B1Process feed management for semiconductor substrate processing761 cites · 201591% earned
- 1542US8083853B2Plasma uniformity control by gas diffuser hole design753 cites · 200588% earned
- 1638US6162323APlasma processing apparatus753 cites · 200095% earned
- 1733US6015465ATemperature control system for semiconductor process chamber743 cites · 200095% earned
- 1829US8328939B2Diffuser plate with slit valve compensation743 cites · 200895% earned
- 1925US6329297B1Dilute remote plasma clean733 cites · 200195% earned
- 2021US6935269B2Apparatus for treating the surface with neutral particle beams727 cites · 200395% earned
- 2117US5576629APlasma monitoring and control method and system717 cites · 199692% earned
- 2213US6847014B1Method and apparatus for controlling the spatial temperature distribution across the surfa704 cites · 200595% earned
- 238US5605798ADNA diagnostic based on mass spectrometry696 cites · 199781% earned
- 244US6182603B1Surface-treated shower head for use in a substrate processing chamber692 cites · 200192% earned
- 251US5589002AGas distribution plate for semiconductor wafer processing apparatus with means for inhibit684 cites · 199695% earned
Rising· last 2 yrs
Assignees whose newest H01J patents became public in the last 2 years — the current frontier
- 199APPLIED MATERIALS INC3,643 patents · 131,292 citations
- 296LAM RES CORP1,476 patents · 42,259 citations
- 392ASM IP HOLDING BV264 patents · 15,183 citations
- 488TOKYO ELECTRON LTD2,680 patents · 43,044 citations
- 583HITACHI LTD2,059 patents · 47,450 citations
- 679TEXAS INSTRUMENTS INC225 patents · 9,795 citations
- 775IBM688 patents · 19,861 citations
- 871SEMICONDUCTOR ENERGY LAB137 patents · 4,955 citations
- 967AXCELIS TECH INC254 patents · 5,193 citations
- 1063MATTSON TECH INC84 patents · 2,151 citations
- 1158ADVANCED ENERGY IND INC204 patents · 7,563 citations
- 1254GEN ELECTRIC1,187 patents · 21,178 citations
- 1350BATTELLE MEMORIAL INSTITUTE100 patents · 3,431 citations
- 1446MITSUBISHI ELECTRIC CORP462 patents · 8,757 citations
- 1542MASSACHUSETTS INST TECHNOLOGY90 patents · 2,413 citations
- 1638SAMSUNG ELECTRONICS CO LTD786 patents · 5,282 citations
- 1733US NAVY143 patents · 3,740 citations
- 1829MICROMASS LTD565 patents · 5,096 citations
- 1925AGILENT TECHNOLOGIES INC308 patents · 5,303 citations
- 2021FEI CO566 patents · 4,699 citations
- 2117MKS INSTR INC140 patents · 2,327 citations
- 2213EAGLE HARBOR TECH INC52 patents · 1,282 citations
- 238HITACHI HIGH TECH CORP1,458 patents · 6,290 citations
- 244PURDUE RESEARCH FOUNDATION202 patents · 2,376 citations
- 251HAMAMATSU PHOTONICS KK493 patents · 4,683 citations
Active· last 5 yrs
Sustained H01J output across the last 5 years
- 199SEQUENOM INC36 patents · 5,837 citations
- 296APPLIED MATERIALS INC3,643 patents · 131,292 citations
- 392LAM RES CORP1,476 patents · 42,259 citations
- 488ASM IP HOLDING BV264 patents · 15,183 citations
- 583TOKYO ELECTRON LTD2,680 patents · 43,044 citations
- 679MICRON TECHNOLOGY INC688 patents · 16,242 citations
- 775HITACHI LTD2,059 patents · 47,450 citations
- 871TEXAS INSTRUMENTS INC225 patents · 9,795 citations
- 967NOVELLUS SYSTEMS INC107 patents · 6,155 citations
- 1063ASM INC15 patents · 2,395 citations
- 1158CANON KK1,221 patents · 25,861 citations
- 1254IBM688 patents · 19,861 citations
- 1350SEMICONDUCTOR ENERGY LAB137 patents · 4,955 citations
- 1446TOSHIBA KK1,044 patents · 17,953 citations
- 1542UNIV LELAND STANFORD JUNIOR69 patents · 2,962 citations
- 1638AXCELIS TECH INC254 patents · 5,193 citations
- 1733NISSIN ELECTRIC CO LTD81 patents · 3,235 citations
- 1829MATTSON TECH INC84 patents · 2,151 citations
- 1925ADVANCED ENERGY IND INC204 patents · 7,563 citations
- 2021EBARA CORP155 patents · 3,706 citations
- 2117GEN ELECTRIC1,187 patents · 21,178 citations
- 2213UNIV CALIFORNIA199 patents · 6,372 citations
- 238BATTELLE MEMORIAL INSTITUTE100 patents · 3,431 citations
- 244MITSUBISHI ELECTRIC CORP462 patents · 8,757 citations
- 251MASSACHUSETTS INST TECHNOLOGY90 patents · 2,413 citations
All-time canon
All-time PatentIndex Score in H01J
- 199NICHIA KAGAKU KOGYO KABUSHIKI5 patents · 2,843 citations
- 296SEQUENOM INC36 patents · 5,837 citations
- 392APPLIED MATERIALS INC3,643 patents · 131,292 citations
- 488ACCESS BUSINESS GROUP INT LLC28 patents · 3,667 citations
- 583LAM RES CORP1,476 patents · 42,259 citations
- 679ASM IP HOLDING BV264 patents · 15,183 citations
- 775TOKYO ELECTRON LTD2,680 patents · 43,044 citations
- 871FUJITSU LTD434 patents · 14,131 citations
- 967MICRON TECHNOLOGY INC688 patents · 16,242 citations
- 1063ADVANCED TECH MATERIALS25 patents · 3,110 citations
- 1158HITACHI LTD2,059 patents · 47,450 citations
- 1254TEXAS INSTRUMENTS INC225 patents · 9,795 citations
- 1350BAYLOR COLLEGE MEDICINE14 patents · 1,512 citations
- 1446NOVELLUS SYSTEMS INC107 patents · 6,155 citations
- 1542ASM INC15 patents · 2,395 citations
- 1638TEGAL CORP51 patents · 3,669 citations
- 1733CANON KK1,221 patents · 25,861 citations
- 1829IBM688 patents · 19,861 citations
- 1925SEMICONDUCTOR ENERGY LAB137 patents · 4,955 citations
- 2021CIPHERGEN BIOSYSTEMS INC26 patents · 1,757 citations
- 2117SYMYX TECHNOLOGIES INC9 patents · 1,157 citations
- 2213LUXIM CORP27 patents · 2,252 citations
- 238SUPERIOR MICROPOWDERS LLC17 patents · 1,653 citations
- 244UNIV RICE WILLIAM M13 patents · 1,460 citations
- 251ABBOTT LAB21 patents · 2,878 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth