Inventor · disambiguated record
On K. Chang
Also filed as: CHANG ON · CHANG ON K · CHANG ON KOK
32 granted patents·15 pending applications·746 citations·filing 1988–2024
98Inventor score
Top patents by PatentIndex Score
47 records- 0198US11940500B1Method of detecting metal plating in intercalation cellsQNOVO INC·Filed 2021·Granted Mar 26, 2024·7 cites·16 claims
- 0297US12313687B1Method of detecting metal plating in intercalation cellsQNOVO INC·Filed 2023·Granted May 27, 2025·3 cites·16 claims
- 0397US11237216B1Method of detecting metal plating in intercalation cellsQNOVO INC·Filed 2017·Granted Feb 1, 2022·23 cites·37 claims
- 0496US8980454B2Systems and methods for rebalancing redox flow battery electrolytesENERVAULT CORP·Filed 2014·Granted Mar 17, 2015·25 cites·9 claims
- 0596US8916281B2Rebalancing electrolytes in redox flow battery systemsCHANG ON KOK·Filed 2012·Granted Dec 23, 2014·27 cites·10 claims
- 0693US12397678B1Method of detecting metal plating in intercalation cellsQNOVO INC·Filed 2024·Granted Aug 26, 2025·1 cites·16 claims
- 0792US8980484B2Monitoring electrolyte concentrations in redox flow battery systemsCHANG ON KOK·Filed 2012·Granted Mar 17, 2015·28 cites·30 claims
- 0889US5326653ABattery unit with reinforced current collector tabs and method of making a battery unit having strengthened current collector tabsVALENCE TECHNOLOGY INC·Filed 1992·Granted Jul 5, 1994·89 cites·16 claims
- 0988US5519218ASample holder for spectroscopyFiled 1993·Granted May 21, 1996·75 cites·2 claims
- 1087US8993183B2Operating a redox flow battery with a negative electrolyte imbalanceENERVAULT CORP·Filed 2013·Granted Mar 31, 2015·15 cites·18 claims
- 1187US8142928B2Systems and methods for rechargeable battery collector tab configurations and foil thicknessBLOMGREN GEORGE E·Filed 2008·Granted Mar 27, 2012·12 cites·14 claims
- 1287US4863815ACell design for spirally wound rechargeable alkaline metal cellALTUS CORP·Filed 1988·Granted Sep 5, 1989·50 cites·10 claims
- 1379US9099738B2Lithium secondary batteries with positive electrode compositions and their methods of manufacturingBLOMGREN GEORGE·Filed 2008·Granted Aug 4, 2015·5 cites·18 claims
- 1478US5520903AMethod of making lithium metal oxide cathode active materialFiled 1993·Granted May 28, 1996·28 cites·17 claims
- 1578US5438249AMethod of state-of-charge indication by measuring the thickness of a batteryVALENCE TECHNOLOGY INC·Filed 1994·Granted Aug 1, 1995·60 cites·8 claims
- 1677US5357786ADevice for determining mechanical properties of materialsVALENCE TECHNOLOGY INC·Filed 1993·Granted Oct 25, 1994·53 cites·18 claims
- 1774US5542163AElectrically-conducting adhesion-promoterFiled 1994·Granted Aug 6, 1996·47 cites·21 claims
- 1872US2020075945A1Lithium Secondary Batteries with Positive Electrode Compositions and Their Methods of ManufacturingBASVAH LLC·Filed 2019·Application pending·0 cites
- 1970US5354631AEnhanced lithium surfaceVALENCE TECHNOLOGY INC·Filed 1993·Granted Oct 11, 1994·41 cites·27 claims
- 2067US5390230AControlled atmosphere, variable volume sample holder for x-ray diffractomerVALENCE TECHNOLOGY INC·Filed 1993·Granted Feb 14, 1995·28 cites·9 claims
- 2166US2018309121A1Lithium secondary batteries with positive eletrode compositions and their methods of manufacturingBASVAH LLC·Filed 2018·Application pending·0 cites
- 2265US2015104724A1Rebalancing electrolytes in redox flow battery systemsENERVAULT CORP·Filed 2014·Application pending·0 cites
- 2361US2024385256A1Methods and systems for predicting and controlling future battery performanceQNOVO INC·Filed 2024·Application pending·0 cites
- 2459US2016087272A1Lithium Secondary Batteries with Positive Electrode Compositions and Their Methods of ManufacturingBASVAH LLC·Filed 2015·Application pending·0 cites
- 2557US2024094300A1Methods and systems for mitigating battery defects in battery packsQNOVO INC·Filed 2023·Application pending·0 cites
- 2656US5290704AMethod of detecting organic solvent vaporsVALENCE TECHNOLOGY INC·Filed 1993·Granted Mar 1, 1994·18 cites·9 claims
- 2756US2015147609A1Systems and Methods for Rebalancing Redox Flow Battery ElectrolytesENERVAULT CORP·Filed 2015·Application pending·0 cites
- 2855US5545496AProcess for producing filament-like vanadium oxide for use in solid state rechargeable electrochemical cells and the use thereof as a cathode in electrochemical cellsFiled 1994·Granted Aug 13, 1996·22 cites·21 claims
- 2954US2024094302A1Methods and systems for mitigating battery defectsQNOVO INC·Filed 2022·Application pending·0 cites
- 3053US5453261AMethod of synthesizing high surface area vanadium oxidesFiled 1994·Granted Sep 26, 1995·20 cites·14 claims
- 3153US2015086896A1Monitoring electrolyte concentrations in redox flow battery systemsENERVAULT CORP·Filed 2014·Application pending·0 cites
- 3249US2011274976A1Lithium secondary batteries with positive electrode compositions and their methods of manufacturingBASVAH LLC·Filed 2009·Application pending·0 cites
- 3348US2015155727A1Monitoring electrolyte concentrations in redox flow battery systemsENERVAULT CORP·Filed 2015·Application pending·0 cites
- 3446US4873158AOverdischarge protection for rechargeable cellsALTUS CORP·Filed 1988·Granted Oct 10, 1989·12 cites·5 claims
- 3546US2013022852A1Porous Electrode with Improved ConductivityENERVAULT CORP·Filed 2012·Application pending·0 cites
- 3646US2015155586A1Operating A Redox Flow Battery With A Negative Electrolyte ImbalanceENERVAULT CORP·Filed 2015·Application pending·0 cites
- 3745US4892796APositive current collector for lithium secondary systemALTUS CORP·Filed 1988·Granted Jan 9, 1990·11 cites·7 claims
- 3845US2013011704A1Redox Flow Battery System with Multiple Independent StacksENERVAULT CORP·Filed 2012·Application pending·0 cites
- 3944US4844993AAdditive to improve voltage regulation in a lithium-copper chloride rechargeable cellALTUS CORP·Filed 1988·Granted Jul 4, 1989·10 cites·6 claims
- 4041US5442298AMethod and apparatus for measuring resistivity of geometrically undefined materialsFiled 1993·Granted Aug 15, 1995·8 cites·28 claims
- 4141US2012280435A1Active materials for lithium-ion batteriesMAO OU·Filed 2010·Application pending·0 cites
- 4239US5304436AMethod and apparatus for drying a non-aqueous liquid electrolyteVALENCE TECHNOLOGY INC·Filed 1992·Granted Apr 19, 1994·6 cites·7 claims
- 4338US5290702AMethod of detecting and mapping organic solvent-containing materials on a surfaceVALENCE TECHNOLOGY INC·Filed 1993·Granted Mar 1, 1994·6 cites·19 claims
- 4438US4902588AElectrolyte additives to improve voltage regulation in the lithium-copper chloride rechargeable cellALTUS CORP·Filed 1988·Granted Feb 20, 1990·5 cites·6 claims
- 4537US5426055AMethod to detect Lewis acid decomposition products in lithium salt-containing nonaqueous electrolyteVALENCE TECHNOLOGY INC·Filed 1994·Granted Jun 20, 1995·6 cites·8 claims
- 4634US5630919AElectrode for conductivity cells comprising high surface area metal foilFiled 1995·Granted May 20, 1997·3 cites·14 claims
- 4731US5469069AMethod and apparatus for measuring resistivity of geometrically undefined materialsFiled 1993·Granted Nov 21, 1995·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →