Topic leaderboard
Materials for miscellaneous applications
Ranked by the PatentIndex Score — a 1–99 percentile within C09K · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C09K patents became public in the last 2 years — the current frontier
- 199Jason Brooks102 patents · 5,378 citations
- 296Bin Ma154 patents · 4,606 citations
- 392Alok Mani Srivastava119 patents · 9,187 citations
- 488Philip D. Nguyen350 patents · 13,746 citations
- 583Bradley L. Todd101 patents · 5,795 citations
- 679Jui-Yi Tsai174 patents · 4,486 citations
- 775Holly Ann Comanzo85 patents · 5,133 citations
- 871Dean M. Willberg43 patents · 2,800 citations
- 967Larry S. Eoff139 patents · 5,253 citations
- 1063Negus B. Adefris37 patents · 1,978 citations
- 1158Bert Alleyne83 patents · 3,251 citations
- 1254Satoshi Seo546 patents · 5,063 citations
- 1350Daniel L. Bour20 patents · 1,885 citations
- 1446Nobuharu Ohsawa239 patents · 2,379 citations
- 1542Hideko Inoue155 patents · 2,079 citations
- 1638Brent S. Gaylord31 patents · 650 citations
- 1733Glenn P. Bartholomew36 patents · 640 citations
- 1829Frank P. Uckert32 patents · 591 citations
- 1925Janice W. Hong23 patents · 576 citations
- 2021Jean M. Wheeler23 patents · 576 citations
- 2117William H. Huisman23 patents · 576 citations
- 2213Satoko Shitagaki117 patents · 2,064 citations
- 238Yongchao Liang37 patents · 594 citations
- 244Jian Li115 patents · 4,954 citations
- 251Arthur H. Hale55 patents · 3,148 citations
Active· last 5 yrs
Sustained C09K output across the last 5 years
- 199Mark E. Thompson133 patents · 25,895 citations
- 296Stephen R. Forrest75 patents · 15,464 citations
- 392Harold J. Vinegar96 patents · 19,833 citations
- 488Peter Djurovich60 patents · 6,248 citations
- 583Moungi G. Bawendi60 patents · 4,620 citations
- 679Anoop Agrawal35 patents · 4,836 citations
- 775Robert W. Walters43 patents · 6,575 citations
- 871Jason Brooks102 patents · 5,378 citations
- 967Raymond Kwong137 patents · 5,697 citations
- 1063Bin Ma154 patents · 4,606 citations
- 1158Alok Mani Srivastava119 patents · 9,187 citations
- 1254Philip D. Nguyen350 patents · 13,746 citations
- 1350William L. Tonar17 patents · 2,904 citations
- 1446Bradley L. Todd101 patents · 5,795 citations
- 1542Jui-Yi Tsai174 patents · 4,486 citations
- 1638Mark J. Hampden-Smith70 patents · 2,715 citations
- 1733William Winder Beers59 patents · 3,074 citations
- 1829Holly Ann Comanzo85 patents · 5,133 citations
- 1925Anant Achyut Setlur82 patents · 4,323 citations
- 2021Dean M. Willberg43 patents · 2,800 citations
- 2117Jeffrey C. Dawson50 patents · 4,449 citations
- 2213Larry S. Eoff139 patents · 5,253 citations
- 238Negus B. Adefris37 patents · 1,978 citations
- 244B. Raghava Reddy275 patents · 7,576 citations
- 251Donald L. Whitfill37 patents · 2,337 citations
All-time canon
Career PatentIndex Score in C09K
- 199Mark E. Thompson133 patents · 25,895 citations
- 296Stephen R. Forrest75 patents · 15,464 citations
- 392Paul E. Burrows46 patents · 14,638 citations
- 488Harold J. Vinegar96 patents · 19,833 citations
- 583Scott Lee Wellington86 patents · 18,149 citations
- 679Eric Pierre De Rouffignac76 patents · 17,240 citations
- 775Etuan Zhang64 patents · 13,995 citations
- 871Robert Charles Ryan63 patents · 13,764 citations
- 967Thomas David Fowler62 patents · 13,652 citations
- 1063Ilya Emil Berchenko77 patents · 17,437 citations
- 1158George Leo Stegemeier66 patents · 14,533 citations
- 1254Gordon Thomas Shahin, Jr.43 patents · 8,866 citations
- 1350Kevin Albert Maher31 patents · 6,765 citations
- 1446John Michael Karanikas44 patents · 9,351 citations
- 1542Robert Martijn Van Hardeveld11 patents · 2,465 citations
- 1638Bruce Gerard Hunsucker5 patents · 1,274 citations
- 1733Kensho Sakano28 patents · 4,048 citations
- 1829Yasunobu Noguchi30 patents · 3,869 citations
- 1925Toshio Moriguchi25 patents · 3,847 citations
- 2021Yoshinori Shimizu25 patents · 3,847 citations
- 2117Lanny Gene Schoeling5 patents · 1,091 citations
- 2213Steven A. Vanslyke8 patents · 7,857 citations
- 238Ching W. Tang22 patents · 10,146 citations
- 244Niall R. Lynam32 patents · 8,440 citations
- 251Desaraju V. Varaprasad27 patents · 7,730 citations
Rising· last 2 yrs
The top-scoring C09K patents made public in the last 2 years
- 199US12398324B1✦ AIMethods for controlling the pitch of self-assembled ionic liquid crystal (ILC) structures5 cites · 202584% earned
- 296US12214236B2✦ AILong-term fire retardant with corrosion inhibitors and methods for making and using same4 cites · 202456% earned
- 392US11981857B1✦ AIDrilling fluid composition and method of making the composition6 cites · 202471% earned
- 488US12110434B1Bismuth oxyhalide-based quantum dots and method of synthesis thereof4 cites · 202467% earned
- 583US12110447B1Drilling fluid composition and method for removing hydrogen sulfide content using the same5 cites · 202469% earned
- 679US11912932B1Encapsulated polymer flooding method and system for enhancing oil recovery5 cites · 202484% earned
- 775US11926774B1Hydrogen-bonded organic framework nanosheet, preparation method and application thereof5 cites · 202484% earned
- 871US11912872B1Light, thin, warm-keeping and temperature-adjusting modified polymer aerogel composite mat5 cites · 202484% earned
- 967US11971616B1Apparatus and method for creating highly-functional meta-materials from luminescing nanopa9 cites · 202469% earned
- 1063US12011437B1Roflumilast formulations with an improved pharmacokinetic profile3 cites · 202467% earned
- 1158US12071735B2Integrated PAC-based cap layer delivery system3 cites · 202467% earned
- 1254US11912933B1Suspension modifier directly added into fracturing fluid for real-time proppant modificati4 cites · 202482% earned
- 1350US12037870B1Mitigating lost circulation4 cites · 202482% earned
- 1446US12104109B2Liquid-crystal medium4 cites · 202482% earned
- 1542US12018207B2Mitigation of transient gels in cements4 cites · 202475% earned
- 1638US12065377B2Use of graphene to enhance stability and density control of cement slurries4 cites · 202475% earned
- 1733US12247153B2Liquid crystal composition and liquid crystal element2 cites · 202467% earned
- 1829US12241023B2In-situ composite polymeric structures for far-field diversion during hydraulic fracturing2 cites · 202467% earned
- 1925US12016848B2Roflumilast formulations with an improved pharmacokinetic profile3 cites · 202472% earned
- 2021US12110440B1Silicon-based cured foam material for rapidly blocking forest fire, and preparation method2 cites · 202476% earned
- 2117US11993747B1Treatment of subterranean formations3 cites · 202480% earned
- 2213US12264279B1High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling 2 cites · 202576% earned
- 238US12187935B1Liquid dispersion of quantum dots in an acrylic monomer medium3 cites · 202580% earned
- 244US12269985B1High density environmentally friendly polymer water-based drilling fluid with resistance t2 cites · 202576% earned
- 251US12350646B1CO2 gas-soluble silicon nanofluid and preparation method therefor1 cites · 202567% earned
Active· last 5 yrs
The top-scoring C09K patents of the last 5 years
- 199US11598905B2✦ AIInverted nanocone structure for optical device and method of producing the same48 cites · 202192% earned
- 296US11453783B2✦ AIPolymeric tandem dyes with linker groups28 cites · 202183% earned
- 392US11185796B1✦ AIFast and high-capacity intelligent cellulose-based oil-absorbing material and preparation 25 cites · 202190% earned
- 488US10913894B1Construction method for ecologically protecting expansive soil slope by combining phosphog24 cites · 202190% earned
- 583US11395934B2Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for m19 cites · 202271% earned
- 679US11063226B1Organic electronic element comprising compound for organic electronic element and an elect21 cites · 202182% earned
- 775US11627747B2Providing single servings of cooled foods and drinks13 cites · 202373% earned
- 871US11865390B2Environmentally-clean water-based fire inhibiting biochemical compositions, and methods of16 cites · 202284% earned
- 967US11041063B2Long-term fire retardant with an organophosphate and methods for making and using same19 cites · 202185% earned
- 1063US11793796B2Inhibition of crystal growth of roflumilast18 cites · 202171% earned
- 1158US10889745B1Plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging 18 cites · 202189% earned
- 1254US10890823B1Pitch variable optical devices and systems containing the same20 cites · 202190% earned
- 1350US11046877B1Compositions comprising fluoroolefins and uses thereof14 cites · 202167% earned
- 1446US11473013B1Magnetic soil remediation agent for soil heavy metal pollution, preparation method and use11 cites · 202288% earned
- 1542US11174199B2Cementitious reagents, methods of manufacturing and uses thereof16 cites · 202167% earned
- 1638US11008348B2Siloxane derivatives of amino acids having surface-active properties16 cites · 202180% earned
- 1733US11279621B1Preparation method of amphoteric two-dimensional nanosheet13 cites · 202288% earned
- 1829US10961444B1Method of using coated composites containing delayed release agent in a well treatment ope18 cites · 202189% earned
- 1925US11739247B1Emulsion shear bond enhanced cement10 cites · 202387% earned
- 2021US12398324B1Methods for controlling the pitch of self-assembled ionic liquid crystal (ILC) structures5 cites · 202584% earned
- 2117US11426350B1Reducing the environmental impact of farming using biochar19 cites · 202281% earned
- 2213US11594688B2Display and lighting devices comprising phosphorescent excimers with preferred molecular o18 cites · 202184% earned
- 238US11492296B1Carbonization-based lightweight CO2 foamed cement-based material, and optimized preparatio9 cites · 202287% earned
- 244US11981857B1Drilling fluid composition and method of making the composition6 cites · 202471% earned
- 251US12110434B1Bismuth oxyhalide-based quantum dots and method of synthesis thereof4 cites · 202467% earned
All-time canon
The defining C09K patents of the whole record
- 199US5247190A✦ AIElectroluminescent devices3,541 cites · 199394% earned
- 296US5707745A✦ AIMulticolor organic light emitting devices2,938 cites · 199890% earned
- 392US6303238B1✦ AIOLEDs doped with phosphorescent compounds2,891 cites · 200187% earned
- 488US5703436ATransparent contacts for organic devices2,835 cites · 199789% earned
- 583US6087196AFabrication of organic semiconductor devices using ink jet printing2,378 cites · 200096% earned
- 679US5061569AElectroluminescent device with organic electroluminescent medium2,079 cites · 199196% earned
- 775US4539507AOrganic electroluminescent devices having improved power conversion efficiencies1,940 cites · 198596% earned
- 871US7279704B2Complexes with tridentate ligands1,887 cites · 200596% earned
- 967US5998925ALight emitting device having a nitride compound semiconductor and a phosphor containing a 1,571 cites · 199982% earned
- 1063US6667825B2Stable conjugated polymer electrochromic devices incorporating ionic liquids1,526 cites · 200295% earned
- 1158US8298677B2Fluorescent silica-based nanoparticles1,467 cites · 200691% earned
- 1254US6687266B1Organic light emitting materials and devices1,316 cites · 200495% earned
- 1350US6066861AWavelength-converting casting composition and its use1,279 cites · 200086% earned
- 1446US6835469B2Phosphorescent compounds and devices comprising the same1,278 cites · 200395% earned
- 1542US6322901B1Highly luminescent color-selective nano-crystalline materials1,254 cites · 200193% earned
- 1638US4565647AFoaming surfactant compositions1,183 cites · 198695% earned
- 1733US7332232B2OLEDs utilizing multidentate ligand systems1,105 cites · 200595% earned
- 1829US4720432AElectroluminescent device with organic luminescent medium1,098 cites · 198895% earned
- 1925US6921915B2Metal coordination compound, luminescence device and display apparatus1,048 cites · 200395% earned
- 2021US5151629ABlue emitting internal junction organic electroluminescent device (I)1,006 cites · 199295% earned
- 2117US7154114B2Cyclometallated iridium carbene complexes for use as hosts1,005 cites · 200595% earned
- 2213US7534505B2Organometallic compounds for use in electroluminescent devices996 cites · 200595% earned
- 238US7250226B2Phosphorescent compound, a phosphorescent composition and an organic light-emitting device966 cites · 200395% earned
- 244US7393599B2Luminescent compounds with carbene ligands927 cites · 200691% earned
- 251US6207392B1Semiconductor nanocrystal probes for biological applications and process for making and us921 cites · 200185% earned
Rising· last 2 yrs
Assignees whose newest C09K patents became public in the last 2 years — the current frontier
- 199UNIV SOUTHERN CALIFORNIA64 patents · 8,627 citations
- 296UNIVERSAL DISPLAY CORP667 patents · 7,332 citations
- 392GENTEX CORP86 patents · 7,997 citations
- 488SCHLUMBERGER TECHNOLOGY CORP598 patents · 19,056 citations
- 583NICHIA CORP253 patents · 1,661 citations
- 679SHOWA DENKO KK89 patents · 3,042 citations
- 775CANON KK519 patents · 8,557 citations
- 871IDEMITSU KOSAN CO534 patents · 6,832 citations
- 967SEMICONDUCTOR ENERGY LAB569 patents · 4,709 citations
- 1063MERCK PATENT GMBH1,395 patents · 15,332 citations
- 1158HONEYWELL INT INC223 patents · 2,749 citations
- 1254LUBRIZOL CORP92 patents · 3,087 citations
- 1350UNIV ARIZONA STATE93 patents · 2,242 citations
- 1446SUMITOMO CHEMICAL CO353 patents · 3,565 citations
- 1542APPLIED MATERIALS INC32 patents · 867 citations
- 1638BOEING CO86 patents · 1,955 citations
- 1733FUJIFILM CORP627 patents · 1,971 citations
- 1829LG ELECTRONICS INC53 patents · 765 citations
- 1925TOSHIBA KK221 patents · 3,175 citations
- 2021SHARP KK325 patents · 3,306 citations
- 2117US ENERGY34 patents · 1,448 citations
- 2213CARBO CERAMICS INC66 patents · 883 citations
- 238SAMSUNG ELECTRONICS CO LTD938 patents · 3,067 citations
- 244SANYO CHEMICAL IND LTD19 patents · 661 citations
- 251TETRA TECH30 patents · 638 citations
Active· last 5 yrs
Sustained C09K output across the last 5 years
- 199UNIV PRINCETON58 patents · 16,822 citations
- 296SHELL OIL CO385 patents · 30,746 citations
- 392UNIV SOUTHERN CALIFORNIA64 patents · 8,627 citations
- 488MASSACHUSETTS INST TECHNOLOGY103 patents · 7,031 citations
- 583UNIVERSAL DISPLAY CORP667 patents · 7,332 citations
- 679OSRAM OPTO SEMICONDUCTORS GMBH121 patents · 2,738 citations
- 775GENTEX CORP86 patents · 7,997 citations
- 871SCHLUMBERGER TECHNOLOGY CORP598 patents · 19,056 citations
- 967GEN ELECTRIC393 patents · 15,161 citations
- 10633M INNOVATIVE PROPERTIES CO411 patents · 12,631 citations
- 1158CAMBRIDGE DISPLAY TECH LTD78 patents · 2,368 citations
- 1254UNIV KENT STATE OHIO53 patents · 4,210 citations
- 1350NICHIA CORP253 patents · 1,661 citations
- 1446SHOWA DENKO KK89 patents · 3,042 citations
- 1542UNIV CALIFORNIA99 patents · 2,766 citations
- 1638CANON KK519 patents · 8,557 citations
- 1733OSRAM GMBH32 patents · 899 citations
- 1829IDEMITSU KOSAN CO534 patents · 6,832 citations
- 1925DU PONT495 patents · 9,458 citations
- 2021SEMICONDUCTOR ENERGY LAB569 patents · 4,709 citations
- 2117PROCTER & GAMBLE51 patents · 3,125 citations
- 2213INTEL CORP34 patents · 1,087 citations
- 238SEIKO EPSON CORP113 patents · 2,155 citations
- 244MERCK PATENT GMBH1,395 patents · 15,332 citations
- 251LI JIAN20 patents · 1,779 citations
All-time canon
All-time PatentIndex Score in C09K
- 199UNIV PRINCETON58 patents · 16,822 citations
- 296SHELL OIL CO385 patents · 30,746 citations
- 392NICHIA KAGAKU KOGYO KABUSHIKI6 patents · 3,200 citations
- 488EASTMAN KODAK CO297 patents · 19,706 citations
- 583UNIV SOUTHERN CALIFORNIA64 patents · 8,627 citations
- 679DONNELLY CORP31 patents · 8,646 citations
- 775MASSACHUSETTS INST TECHNOLOGY103 patents · 7,031 citations
- 871UNIVERSAL DISPLAY CORP667 patents · 7,332 citations
- 967MINNESOTA MINING & MFG279 patents · 26,617 citations
- 1063OSRAM OPTO SEMICONDUCTORS GMBH121 patents · 2,738 citations
- 1158GENTEX CORP86 patents · 7,997 citations
- 1254HALLIBURTON ENERGY SERV INC970 patents · 61,131 citations
- 1350SCHLUMBERGER TECHNOLOGY CORP598 patents · 19,056 citations
- 1446MOLECULAR PROBES INC17 patents · 4,809 citations
- 1542GEN ELECTRIC393 patents · 15,161 citations
- 1638BJ SERVICES CO134 patents · 12,538 citations
- 1733NORTON CO63 patents · 8,033 citations
- 1829DOW CHEMICAL CO315 patents · 12,780 citations
- 1925DOWELL A DIVISION OF SCHLUMBER14 patents · 2,477 citations
- 20213M INNOVATIVE PROPERTIES CO411 patents · 12,631 citations
- 2117SUPERIOR MICROPOWDERS LLC19 patents · 1,774 citations
- 2213CABOT CORP62 patents · 3,215 citations
- 238CAMBRIDGE DISPLAY TECH LTD78 patents · 2,368 citations
- 244UNIV WM MARSH RICE7 patents · 1,609 citations
- 251HALLIBURTON CO330 patents · 30,771 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth