Topic leaderboard
Non-mechanical removal of metals & corrosion
Ranked by the PatentIndex Score — a 1–99 percentile within C23F · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C23F patents became public in the last 2 years — the current frontier
- 199Suvi Haukka16 patents · 574 citations
- 296Matthew H. Frey29 patents · 175 citations
- 392George F. Jambor16 patents · 95 citations
- 488Michael J. Robrecht16 patents · 95 citations
- 583David Whitmore31 patents · 274 citations
- 679Joseph H. Osborne7 patents · 332 citations
- 775James Vernon Mischel, Sr.6 patents · 131 citations
- 871James V. Mischel, Jr.6 patents · 131 citations
- 967William S. Carey26 patents · 307 citations
- 1063Ryan Grant Ell7 patents · 113 citations
- 1158Tom E. Blomberg19 patents · 66 citations
- 1254Varun Sharma17 patents · 60 citations
- 1350Chiyu Zhu15 patents · 59 citations
- 1446Marko Tuominen15 patents · 59 citations
- 1542Clay Purdy40 patents · 85 citations
- 1638Markus Weissenberger34 patents · 58 citations
- 1733Jeremy Moloney32 patents · 64 citations
- 1829Patrick J. Kinlen10 patents · 42 citations
- 1925George Sergi7 patents · 104 citations
- 2021Chikao Ikenaga28 patents · 53 citations
- 2117Ime Bassey Obot16 patents · 38 citations
- 2213Ramakrishnan Balasubramanian12 patents · 35 citations
- 238Moshe Frenkel7 patents · 22 citations
- 244Nava Shpaisman7 patents · 22 citations
- 251Tomonori Takahashi18 patents · 24 citations
Active· last 5 yrs
Sustained C23F output across the last 5 years
- 199Anchuan Wang10 patents · 1,522 citations
- 296Steven Grumbine17 patents · 1,047 citations
- 392Steven T. Mayer13 patents · 784 citations
- 488Bo Yang34 patents · 481 citations
- 583Suvi Haukka16 patents · 574 citations
- 679Wenbing Yang8 patents · 215 citations
- 775Peter M. Woyciesjes32 patents · 348 citations
- 871Matthew H. Frey29 patents · 175 citations
- 967George F. Jambor16 patents · 95 citations
- 1063Michael J. Robrecht16 patents · 95 citations
- 1158Mohammad N. Sani16 patents · 175 citations
- 1254David Whitmore31 patents · 274 citations
- 1350Joseph H. Osborne7 patents · 332 citations
- 1446James Vernon Mischel, Sr.6 patents · 131 citations
- 1542James V. Mischel, Jr.6 patents · 131 citations
- 1638Kenneth A. Krienke6 patents · 331 citations
- 1733William S. Carey26 patents · 307 citations
- 1829Allan G. Aquino7 patents · 201 citations
- 1925Kim V. Brandt7 patents · 201 citations
- 2021Ryan Grant Ell7 patents · 113 citations
- 2117Andrew E. Dadson12 patents · 131 citations
- 2213Jasbir S. Gill22 patents · 183 citations
- 238Samantha Tan7 patents · 127 citations
- 244Toshihiko Takeda11 patents · 81 citations
- 251Tom E. Blomberg19 patents · 66 citations
All-time canon
Career PatentIndex Score in C23F
- 199John J. Frantzen26 patents · 6,291 citations
- 296Lilip Lau20 patents · 6,187 citations
- 392William M. Hartigan20 patents · 6,187 citations
- 488J. Andrew Galloway23 patents · 5,683 citations
- 583Alan Hocknell18 patents · 4,777 citations
- 679Richard C. Helmstetter18 patents · 4,777 citations
- 775Matthew T. Cackett8 patents · 2,735 citations
- 871Augustin W. Rollinson7 patents · 2,355 citations
- 967James M. Murphy6 patents · 2,093 citations
- 1063Nitin K. Ingle20 patents · 2,633 citations
- 1158Ronald C. Boyce8 patents · 1,845 citations
- 1254Rodney Kistler10 patents · 1,693 citations
- 1350Vlasta Brusic Kaufman11 patents · 1,668 citations
- 1446Jeffrey W. Anthis20 patents · 1,475 citations
- 1542Homer E. Aguinaldo8 patents · 1,671 citations
- 1638Xikun Wang13 patents · 1,384 citations
- 1733D. Clayton Evans7 patents · 1,298 citations
- 1829Anchuan Wang10 patents · 1,522 citations
- 1925Christopher C. Streinz9 patents · 1,302 citations
- 2021Robert J. Small11 patents · 1,021 citations
- 2117Brian L. Mueller6 patents · 1,047 citations
- 2213Keith D. Beaty11 patents · 1,039 citations
- 238Steven Grumbine17 patents · 1,047 citations
- 244James R. Stanford7 patents · 1,361 citations
- 251Timothy M. Dietz6 patents · 741 citations
Rising· last 2 yrs
The top-scoring C23F patents made public in the last 2 years
- 199US12043906B2✦ AIAssemblies and methods for monitoring cathodic protection of structures17 cites · 202478% earned
- 296US12093490B2✦ AITouch screen sensor1 cites · 202432% earned
- 392US12291785B2✦ AIEthoxylated fatty diamine as a corrosion inhibitor for pipelines and storage tanks1 cites · 202456% earned
- 488US12233510B1Leached polycrystalline diamond elements1 cites · 202550% earned
- 583US11952670B1Anode mounting head for heater treaters and other devices1 cites · 202467% earned
- 679US11971383B1Enhanced 3D porous architectured electroactive devices via impregnated porogens1 cites · 202467% earned
- 775US12312696B2Thermal atomic layer etching processes0 cites · 20240% earned
- 871US12497557B2Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and intr0 cites · 20240% earned
- 967US11859293B1Vanishing viewing windows apparatuses and methods0 cites · 20240% earned
- 1063US12562381B2Nano-featured porous silicon materials0 cites · 20240% earned
- 1158US12270111B2Methods for producing an etch resist pattern on a metallic surface0 cites · 20240% earned
- 1254US12110454B2Downhole rock treatment method with corrosion inhibition0 cites · 20240% earned
- 1350US12537170B2Substrate processing apparatus0 cites · 20240% earned
- 1446US11970630B1Selenated thiourea-based hybrid compounds as corrosion inhibitors for steel pipelines0 cites · 20240% earned
- 1542US12354908B2Amorphous layers for reducing copper diffusion and method forming same0 cites · 20240% earned
- 1638US12152164B2Identification and characterization of novel corrosion inhibitor molecules0 cites · 20240% earned
- 1733US12544878B2Leached superabrasive elements, subterranian tools with leached superabrasive elements, an0 cites · 20240% earned
- 1829US12441894B2Compositions for inhibiting corrosion0 cites · 20240% earned
- 1925USD1030985SAnode assembly for a heat exchanger0 cites · 20240% earned
- 2021US12454488B2Anticorrosive composition0 cites · 20240% earned
- 2117US12481218B2Treatment liquid, method for washing substrate, and method for removing resist0 cites · 20240% earned
- 2213US12006965B1Connector for non-cylindrical composite tubing0 cites · 20240% earned
- 238US12221451B1Diorganyl diselenide-clubbed quaternary purines as corrosion inhibitors0 cites · 20250% earned
- 244US12479190B2Fe-based electroplated steel sheet and galvannealed steel sheet, and methods of producing 0 cites · 20240% earned
- 251US12378656B2Alloy metal plate and deposition mask including alloy metal plate0 cites · 20240% earned
Active· last 5 yrs
The top-scoring C23F patents of the last 5 years
- 199US11447877B1✦ AIAssemblies and methods for monitoring cathodic protection of structures36 cites · 202282% earned
- 296US12043905B2✦ AIElectrode watering assemblies and methods for maintaining cathodic monitoring of structure16 cites · 202384% earned
- 392US12129559B2✦ AITest station assemblies for monitoring cathodic protection of structures and related metho12 cites · 202382% earned
- 488US11198794B2Methods for preparing coating compositions for protecting oilfield operational components16 cites · 202165% earned
- 583US11180856B1Corrosion inhibitor composition and methods of inhibiting corrosion16 cites · 202189% earned
- 679US11611073B2Composites of porous nano-featured silicon materials and carbon materials12 cites · 202174% earned
- 775US12180597B2Test station assemblies for monitoring cathodic protection of structures and related metho6 cites · 202374% earned
- 871US11802342B2Methods for wet atomic layer etching of ruthenium6 cites · 202385% earned
- 967US12275921B2Treatment liquid and substrate treatment method3 cites · 202380% earned
- 1063US11525946B2Method for in situ protection of an aluminum layer and optical arrangement for the VUV wav5 cites · 202184% earned
- 1158US10907258B1Surface modification of metals and alloys to alter wetting properties8 cites · 202186% earned
- 1254US11255018B2Methods for producing an etch resist pattern on a metallic surface5 cites · 202167% earned
- 1350US11069995B1Single self-insulating contact for wet electrical connector5 cites · 202184% earned
- 1446US11135560B1Aqueous leaching solutions and methods of leaching at least one interstitial constituent f5 cites · 202172% earned
- 1542US11706968B2Metal mask base, metal mask and method for producing metal mask4 cites · 202175% earned
- 1638US10975487B1Electrolytic copper foil and electrode and copper-clad laminate comprising the same4 cites · 202182% earned
- 1733US11408073B2Method for growth of atomic layer ribbons and nanoribbons of transition metal dichalcogeni4 cites · 202182% earned
- 1829US11618954B2Dry etching method, method for manufacturing semiconductor device, and etching device4 cites · 202282% earned
- 1925US11815747B1Electro-optic electric field sensor and method of fabrication4 cites · 202382% earned
- 2021US11486031B2Metal plate3 cites · 202167% earned
- 2117US12203166B2Apparatus and methods for performing an in-situ etch of reaction chambers with fluorine-ba3 cites · 202172% earned
- 2213US11746407B2Method for manufacturing deposition mask, method for manufacturing display device and depo3 cites · 202272% earned
- 238US11807933B2Apparatus for manufacturing display device, method of manufacturing mask assembly, and met3 cites · 202272% earned
- 244US12018210B2Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and intr2 cites · 202348% earned
- 251US10968523B1Vanishing viewing windows apparatuses and methods4 cites · 202162% earned
All-time canon
The defining C23F patents of the whole record
- 199US4709120A✦ AIUnderground utility equipment vault1,580 cites · 198796% earned
- 296US5514154A✦ AIExpandable stents1,363 cites · 199682% earned
- 392US5421955A✦ AIExpandable stents and method for making same1,330 cites · 199582% earned
- 488US5573520AFlexible tubular device for use in medical applications1,036 cites · 199695% earned
- 583US6565763B1Method for manufacturing porous structure and method for forming pattern806 cites · 200385% earned
- 679US5741429AFlexible tubular device for use in medical applications748 cites · 199895% earned
- 775US5527423AChemical mechanical polishing slurry for metal layers732 cites · 199695% earned
- 871US4224380ATemperature resistant abrasive compact and method for making same646 cites · 198095% earned
- 967US6033582ASurface modification of medical implants613 cites · 200092% earned
- 1063US5603721AExpandable stents and method for making same588 cites · 199780% earned
- 1158US9064815B2Methods for etch of metal and metal-oxide films564 cites · 201292% earned
- 1254US9309598B2Oxide and metal removal560 cites · 201592% earned
- 1350US6354962B1Golf club head with a face composed of a forged material557 cites · 200290% earned
- 1446US7955516B2Etching of nano-imprint templates using an etch reactor522 cites · 200895% earned
- 1542US9228259B2Method for treatment of deposition reactor515 cites · 201490% earned
- 1638US6491592B2Multiple material golf club head495 cites · 200192% earned
- 1733US5954997AChemical mechanical polishing slurry useful for copper substrates480 cites · 199992% earned
- 1829US6390933B1High cofficient of restitution golf club head478 cites · 200295% earned
- 1925US6149828ASupercritical etching compositions and method of using same457 cites · 200092% earned
- 2021US6471604B2Multiple material golf head455 cites · 200292% earned
- 2117US6739983B2Golf club head with customizable center of gravity455 cites · 200392% earned
- 2213US5735893AExpandable stents and method for making same454 cites · 199879% earned
- 238US5853048AControl of fine particulate flowback in subterranean wells453 cites · 199890% earned
- 244US6333275B1Etchant mixing system for edge bevel removal of copper from silicon wafers438 cites · 200195% earned
- 251US5770095APolishing agent and polishing method using the same413 cites · 199895% earned
Rising· last 2 yrs
Assignees whose newest C23F patents became public in the last 2 years — the current frontier
- 199SMITH INTERNATIONAL9 patents · 641 citations
- 296BOEING CO50 patents · 547 citations
- 392TOKYO ELECTRON LTD80 patents · 781 citations
- 488ASM IP HOLDING BV25 patents · 591 citations
- 583MITSUBISHI GAS CHEMICAL CO24 patents · 261 citations
- 679US SYNTHETIC CORP46 patents · 266 citations
- 775RHEEM MFG CO15 patents · 188 citations
- 871ECOLAB USA INC88 patents · 240 citations
- 967MARATHON PETROLEUM CO LP7 patents · 113 citations
- 1063DAINIPPON PRINTING CO LTD66 patents · 294 citations
- 1158BIOMET 3I LLC19 patents · 104 citations
- 1254US NAVY22 patents · 133 citations
- 1350PPG IND OHIO INC8 patents · 84 citations
- 1446SAMSUNG DISPLAY CO LTD62 patents · 137 citations
- 1542UNIV KING FAHD PET & MINERALS32 patents · 71 citations
- 1638SAUDI ARABIAN OIL CO42 patents · 117 citations
- 1733GROUP14 TECHNOLOGIES INC5 patents · 55 citations
- 1829KATEEVA INC7 patents · 22 citations
- 1925SHOWA DENKO KK8 patents · 82 citations
- 2021FUJIFILM CORP28 patents · 31 citations
- 2117ELECTRIC MIRROR LLC4 patents · 36 citations
- 2213MERCK PATENT GMBH5 patents · 37 citations
- 238BASF SE15 patents · 23 citations
- 244KAO CORP6 patents · 36 citations
- 251JFE STEEL CORP33 patents · 23 citations
Active· last 5 yrs
Sustained C23F output across the last 5 years
- 199APPLIED MATERIALS INC137 patents · 5,538 citations
- 296GEN ELECTRIC98 patents · 2,544 citations
- 392SMITH INTERNATIONAL9 patents · 641 citations
- 488LAM RES CORP56 patents · 1,239 citations
- 583CABOT MICROELECTRONICS CORP51 patents · 1,229 citations
- 679TEXAS INSTRUMENTS INC51 patents · 1,519 citations
- 775BOEING CO50 patents · 547 citations
- 871TOKYO ELECTRON LTD80 patents · 781 citations
- 967MEC CO LTD24 patents · 577 citations
- 1063INTEL CORP20 patents · 479 citations
- 1158UNITED TECHNOLOGIES CORP41 patents · 684 citations
- 1254ASM IP HOLDING BV25 patents · 591 citations
- 1350ATOTECH DEUTSCHLAND GMBH18 patents · 283 citations
- 1446MITSUBISHI GAS CHEMICAL CO24 patents · 261 citations
- 1542US SYNTHETIC CORP46 patents · 266 citations
- 16383M INNOVATIVE PROPERTIES CO21 patents · 207 citations
- 1733PRESTONE PRODUCTS CORP20 patents · 243 citations
- 1829SCHLUMBERGER TECHNOLOGY CORP12 patents · 250 citations
- 1925RHEEM MFG CO15 patents · 188 citations
- 2021KURITA WATER IND LTD27 patents · 318 citations
- 2117CENTRAL GLASS CO LTD15 patents · 394 citations
- 2213ECOLAB USA INC88 patents · 240 citations
- 238CANON KK14 patents · 216 citations
- 244MARATHON PETROLEUM CO LP7 patents · 113 citations
- 251DAINIPPON PRINTING CO LTD66 patents · 294 citations
All-time canon
All-time PatentIndex Score in C23F
- 199ADVANCED CARDIOVASCULAR SYSTEM20 patents · 6,187 citations
- 296CALLAWAY GOLF CO23 patents · 5,683 citations
- 392CABOT CORP10 patents · 2,847 citations
- 488APPLIED MATERIALS INC137 patents · 5,538 citations
- 583TOSHIBA KK53 patents · 2,082 citations
- 679MICRON TECHNOLOGY INC64 patents · 2,797 citations
- 775HALLIBURTON ENERGY SERV INC25 patents · 1,780 citations
- 871EKC TECHNOLOGY INC10 patents · 1,033 citations
- 967CALGON CORP52 patents · 2,316 citations
- 1063MINNESOTA MINING & MFG15 patents · 1,041 citations
- 1158IBM175 patents · 4,457 citations
- 1254IMPLANT INNOVATIONS INC6 patents · 786 citations
- 1350GEN ELECTRIC98 patents · 2,544 citations
- 1446HITACHI LTD67 patents · 1,904 citations
- 1542RODEL INC8 patents · 886 citations
- 1638SMITH INTERNATIONAL9 patents · 641 citations
- 1733BMC IND INC12 patents · 777 citations
- 1829LAM RES CORP56 patents · 1,239 citations
- 1925MOTOROLA INC23 patents · 1,222 citations
- 2021CABOT MICROELECTRONICS CORP51 patents · 1,229 citations
- 2117TEXAS INSTRUMENTS INC51 patents · 1,519 citations
- 2213ADVANCED TECH MATERIALS18 patents · 704 citations
- 238DEGUSSA6 patents · 724 citations
- 244AT & T BELL LAB11 patents · 796 citations
- 251BOEING CO50 patents · 547 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth