Inventor · disambiguated record
Kenneth Edward Hrdina
Also filed as: HRDINA KENNETH · HRDINA KENNETH E · HRDINA KENNETH EDWARD
60 granted patents·29 pending applications·773 citations·filing 1990–2025
99Inventor score
Files withCORNING INC63DURAN CARLOS5INST GAS TECHNOLOGY5ALLAN DOUGLAS CLIPPINGER2FIACCO RICHARD MICHAEL2
Top patents by PatentIndex Score
89 records- 0198US7534733B2Synthetic silica glass optical material having high resistance to laser induced damageCORNING INC·Filed 2005·Granted May 19, 2009·52 cites·29 claims
- 0296US9580350B2High hydroxyl TiO2-SiO2 glassCORNING INC·Filed 2015·Granted Feb 28, 2017·22 cites·19 claims
- 0396US6548142B1Silica glass honeycomb structure from silica soot extrusionCORNING INC·Filed 2000·Granted Apr 15, 2003·58 cites·28 claims
- 0495US6606883B2Method for producing fused silica and doped fused silica glassCORNING INC·Filed 2001·Granted Aug 19, 2003·52 cites·12 claims
- 0594US7506521B2High transmission synthetic silica glass and method of making sameCORNING INC·Filed 2005·Granted Mar 24, 2009·27 cites·47 claims
- 0694US6465272B1Extreme ultraviolet soft x-ray projection lithographic method and mask devicesCORNING INC·Filed 2000·Granted Oct 15, 2002·65 cites·47 claims
- 0793US9932261B2Doped ultra-low expansion glass and methods for annealing the sameCORNING INC·Filed 2016·Granted Apr 3, 2018·4 cites·22 claims
- 0893US9382150B2Boron-doped titania-silica glass having very low CTE slopeCORNING INC·Filed 2015·Granted Jul 5, 2016·8 cites·20 claims
- 0993US8901019B2Very low CTE slope doped silica-titania glassCORNING INC·Filed 2013·Granted Dec 2, 2014·10 cites·28 claims
- 1093US8596094B2Synthetic silica glass with uniform fictive temperatureDURAN CARLOS·Filed 2010·Granted Dec 3, 2013·12 cites·53 claims
- 1193USRE40586EReduced striae extreme ultra violet elementsCORNING INC·Filed 2007·Granted Nov 25, 2008·21 cites·19 claims
- 1293US7053017B2Reduced striae extreme ultraviolet elementsCORNING INC·Filed 2003·Granted May 30, 2006·32 cites·11 claims
- 1391US7589040B2Doped silica glass articles and methods of forming doped silica glass boules and articlesCORNING INC·Filed 2006·Granted Sep 15, 2009·10 cites·14 claims
- 1491US6829908B2Fabrication of inclusion free homogeneous glassesCORNING INC·Filed 2002·Granted Dec 14, 2004·23 cites·27 claims
- 1590US7928026B2Synthetic silica material with low fluence-dependent-transmission and method of making the sameCORNING INC·Filed 2005·Granted Apr 19, 2011·16 cites·13 claims
- 1689US8713969B2Tuning Tzc by the annealing of ultra low expansion glassDURAN CARLOS·Filed 2010·Granted May 6, 2014·6 cites·10 claims
- 1789US7506522B2High refractive index homogeneity fused silica glass and method of making sameCORNING INC·Filed 2005·Granted Mar 24, 2009·19 cites·27 claims
- 1889US7155936B2Doped silica glass articles and methods of forming doped silica glass boules and articlesCORNING INC·Filed 2003·Granted Jan 2, 2007·16 cites·19 claims
- 1989US6576380B2Extreme ultraviolet soft x-ray projection lithographic method and mask devicesCORNING INC·Filed 2002·Granted Jun 10, 2003·31 cites·7 claims
- 2088US11111172B2Basic additives for silica soot compacts and methods for forming optical quality glassCORNING INC·Filed 2017·Granted Sep 7, 2021·2 cites·20 claims
- 2188US6931097B1Extreme ultraviolet soft x-ray projection lithographic method system and lithographic elementsCORNING INC·Filed 2000·Granted Aug 16, 2005·18 cites·43 claims
- 2288US5338334AProcess for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foamINST GAS TECHNOLOGY·Filed 1993·Granted Aug 16, 1994·62 cites·13 claims
- 2387US11028006B2Ultralow expansion titania-silica glassCORNING INC·Filed 2019·Granted Jun 8, 2021·2 cites·4 claims
- 2487US8541325B2Low expansivity, high transmission titania doped silica glassDURAN CARLOS·Filed 2011·Granted Sep 24, 2013·9 cites·15 claims
- 2586US8987155B2Niobium doped silica titania glass and method of preparationCORNING INC·Filed 2013·Granted Mar 24, 2015·7 cites·12 claims
- 2686US8268740B2Halide free glasses having low OH, OD concentrationsFIACCO RICHARD MICHAEL·Filed 2009·Granted Sep 18, 2012·12 cites·28 claims
- 2781US6479129B1Titanium-coating silica glass honeycomb structure from silica soot extrusionCORNING INC·Filed 2000·Granted Nov 12, 2002·25 cites·26 claims
- 2880US7939457B2Low expansion glass material having low expansivity gradientCORNING INC·Filed 2008·Granted May 10, 2011·3 cites·9 claims
- 2978US6832493B2High purity glass bodies formed by zero shrinkage castingCORNING INC·Filed 2002·Granted Dec 21, 2004·16 cites·38 claims
- 3077US8263511B2High purity fused silica with low absolute refractive indexDURAN CARLOS·Filed 2009·Granted Sep 11, 2012·2 cites·15 claims
- 3177USRE41220EExtreme ultraviolet soft x-ray projection lithographic method system and lithographic elementsCORNING INC·Filed 2000·Granted Apr 13, 2010·8 cites·49 claims
- 3277US6997015B2EUV lithography glass structures formed by extrusion consolidation processCORNING INC·Filed 2002·Granted Feb 14, 2006·10 cites·36 claims
- 3376US6542224B2Silica-based light-weight EUV lithography stagesCORNING INC·Filed 2001·Granted Apr 1, 2003·17 cites·13 claims
- 3475US6468374B1Method of making silica glass honeycomb structure from silica soot extrusionCORNING INC·Filed 2000·Granted Oct 22, 2002·18 cites·21 claims
- 3574US10017413B2Doped silica-titania glass having low expansivity and methods of making the sameCORNING INC·Filed 2015·Granted Jul 10, 2018·1 cites·11 claims
- 3674US9611169B2Doped ultra-low expansion glass and methods for making the sameCORNING INC·Filed 2015·Granted Apr 4, 2017·1 cites·20 claims
- 3773US8021755B2Low thermal expansion glass for EUVL applicationsCORNING INC·Filed 2010·Granted Sep 20, 2011·3 cites·19 claims
- 3873US8012894B2Glasses having low OH, OD levelsCORNING INC·Filed 2008·Granted Sep 6, 2011·1 cites·19 claims
- 3972US2025270135A1Salt bath compositions, salt bath systems, and processes for strengthening glass articlesCORNING INC·Filed 2025·Application pending·0 cites
- 4071US11724954B2Basic additives for silica soot compacts and methods for forming optical quality glassCORNING INC·Filed 2021·Granted Aug 15, 2023·0 cites·23 claims
- 4169US12319612B2Salt bath compositions, salt bath systems, and processes for strengthening glass articlesCORNING INC·Filed 2021·Granted Jun 3, 2025·0 cites·13 claims
- 4269US2025304491A1Salt bath systems for strengthening glass articles and methods for regenerating molten saltCORNING INC·Filed 2025·Application pending·0 cites
- 4368US2024417306A1Titania-silica glass with reduced hydroxyl and halide concentrations and methods of makingCORNING INC·Filed 2024·Application pending·0 cites
- 4466US11500149B2Optical fiber with nitrogen and chlorine co-doped coreCORNING INC·Filed 2021·Granted Nov 15, 2022·0 cites·20 claims
- 4566US10329184B2Ultralow expansion titania-silica glassCORNING INC·Filed 2017·Granted Jun 25, 2019·0 cites·7 claims
- 4666US2009203511A1Synthetic silica glass optical material having high resistance to laser induced damageBOOKBINDER DANA CRAIG·Filed 2009·Application pending·0 cites
- 4765US8047023B2Method for producing titania-doped fused silica glassCORNING INC·Filed 2001·Granted Nov 1, 2011·4 cites·14 claims
- 4864US12297140B2Salt bath systems for strengthening glass articles and methods for regenerating molten saltCORNING INC·Filed 2021·Granted May 13, 2025·0 cites·11 claims
- 4964US2024069429A1Homogenous silica-titania glassCORNING INC·Filed 2023·Application pending·0 cites
- 5063US7994083B2Fused silica glass and method for making the sameCORNING INC·Filed 2006·Granted Aug 9, 2011·2 cites·44 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →