Inventor · disambiguated record
Charles A. Roberts
Also filed as: ROBERTS CHARLES · ROBERTS CHARLES A · ROBERTS CHARLES ALEXANDER · ROBERTS JR CHARLES A
30 granted patents·8 pending applications·160 citations·filing 1972–2024
95Inventor score
Files withTOYOTA ENG & MFG NORTH AMERICA29TOYOTA MOTOR ENG & MFG NORTH AMERICA INC2EVEREADY BATTERY INC1R J S INC1ROBERTS CHARLES A1
Top patents by PatentIndex Score
38 records- 0191US4802327AMower attachmentROBERTS CHARLES A·Filed 1986·Granted Feb 7, 1989·73 cites·10 claims
- 0289US10071367B1CeO2-NiO mixed oxide catalysts for direct NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Sep 11, 2018·4 cites·11 claims
- 0389US9461349B2Rechargeable metal NxOy gas battery systemTOYOTA MOTOR ENG & MFG NORTH AMERICA INC·Filed 2014·Granted Oct 4, 2016·5 cites·16 claims
- 0488US11311861B2Zinc doped manganese-iron spinel catalyst material and method of making and using the sameTOYOTA ENG & MFG NORTH AMERICA·Filed 2020·Granted Apr 26, 2022·2 cites·19 claims
- 0585US10143965B1Palladium oxide dispersed on spinel oxides as catalysts for direct NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Dec 4, 2018·2 cites·17 claims
- 0685US9283548B2Ceria-supported metal catalysts for the selective reduction of NOxTOYOTA ENG & MFG NORTH AMERICA·Filed 2013·Granted Mar 15, 2016·7 cites·12 claims
- 0782US10434471B2Copper oxides supported on spinel oxides as catalysts for low temperature direct NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Oct 8, 2019·2 cites·13 claims
- 0877US10596519B1Modified ferrite catalysts for direct no decomposition and a method of making and using a catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Mar 24, 2020·1 cites·20 claims
- 0975US4303959AFail safe surge arrester systemsTII IND INC·Filed 1979·Granted Dec 1, 1981·22 cites·36 claims
- 1074US2025323287A1Fuel cell stacks and assemblies with insulation assembliesTOYOTA ENG & MFG NORTH AMERICA·Filed 2024·Application pending·0 cites
- 1173US2025092543A1Electrocatalysts for the oxygen evolution reaction in acid conditionsTOYOTA ENG & MFG NORTH AMERICA·Filed 2023·Application pending·0 cites
- 1271US2025034730A1Electrocatalysts for the oxygen evolution reaction in acid conditionsTOYOTA ENG & MFG NORTH AMERICA·Filed 2023·Application pending·0 cites
- 1370US10293328B2Metal tungstates for use as nitrogen oxides reduction catalystsTOYOTA ENG & MFG NORTH AMERICA·Filed 2018·Granted May 21, 2019·0 cites·11 claims
- 1469US11110432B2Multi-transition metal doped copper-cobalt spinel catalyst material for NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Sep 7, 2021·0 cites·19 claims
- 1568US11969715B2Dual dispersed MOx-CuOx/Co3O4 supported metal oxide catalysts for direct NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2022·Granted Apr 30, 2024·0 cites·20 claims
- 1667US12161971B2Catalyst for direct NOx decomposition and a method for making and using the catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Dec 10, 2024·0 cites·14 claims
- 1767US11541373B2Mixed oxide catalyst for oxygen storage applications and a method for making the catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Jan 3, 2023·0 cites·11 claims
- 1867US2023323076A1Composite material for a passive variable radiatorTOYOTA ENG & MFG NORTH AMERICA·Filed 2022·Application pending·0 cites
- 1966US11559792B2Zinc manganese-iron spinel with an alkali metal stabilizer as an oxygen storage material resistant to rich/lean agingTOYOTA ENG & MFG NORTH AMERICA·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
- 2066US2025375756A1Microporous polymer networks for carbon dioxide captureTOYOTA ENG & MFG NORTH AMERICA·Filed 2024·Application pending·0 cites
- 2164US11471873B2Microwave synthesis of iron oxide catalysts for cold start NOx removalTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Oct 18, 2022·0 cites·10 claims
- 2263US9331369B2Rechargeable metal nitric oxide gas batteryTOYOTA ENG & MFG NORTH AMERICA·Filed 2014·Granted May 3, 2016·0 cites·17 claims
- 2361US11154816B2Palladium oxide supported on spinels for NOx storageTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Oct 26, 2021·0 cites·15 claims
- 2460US9368847B2Rechargeable metal nitric oxide gas batteryTOYOTA ENG & MFG NORTH AMERICA·Filed 2014·Granted Jun 14, 2016·0 cites·25 claims
- 2559US11278871B2Direct no decomposition catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2020·Granted Mar 22, 2022·0 cites·16 claims
- 2658US2016121307A1Metal tungstates for use as nitrogen oxides reduction catalystsTOYOTA ENG & MFG NORTH AMERICA·Filed 2014·Application pending·0 cites
- 2757US10239047B1Direct NOx decomposition catalyst with improved activity and selectivityTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Mar 26, 2019·0 cites·12 claims
- 2857US9815044B2Ceria-supported metal catalysts for the selective reduction of NOXTOYOTA ENG & MFG NORTH AMERICA·Filed 2016·Granted Nov 14, 2017·0 cites·18 claims
- 2956US11208928B2Passive NOx adsorption and decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Dec 28, 2021·0 cites·11 claims
- 3056US10143966B1Potassium dispersed on spinel oxides as catalysts for direct NOx decompositionTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Dec 4, 2018·0 cites·13 claims
- 3150US2021146340A1Pt/CeO2-ZrO2 CATALYSTS FOR PASSIVE NOX ADSORPTION APPLICATIONS AND A METHOD OF MAKING THE CATALYSTTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Application pending·0 cites
- 3248US5173371ABattery to prevent cell reversalEVEREADY BATTERY INC·Filed 1991·Granted Dec 22, 1992·18 cites·23 claims
- 3345US4133019AAir gap back-up surge arresterTII CORP·Filed 1976·Granted Jan 2, 1979·12 cites·3 claims
- 3444US9527033B2Mixed metal oxide catalystTOYOTA MOTOR ENG & MFG NORTH AMERICA INC·Filed 2015·Granted Dec 27, 2016·0 cites·12 claims
- 3538US2021308654A1ALUMINA SUPPORTED Pt/Ce-Zr MIXED OXIDE CATALYSTS AND METHOD OF MAKINGTOYOTA ENG & MFG NORTH AMERICA·Filed 2020·Application pending·0 cites
- 3633US10254249B2Method of magnetic analysis to determine the catalytic activity of metal oxides including nanoceriaTHE UNIV OF MANITOBA·Filed 2017·Granted Apr 9, 2019·0 cites·4 claims
- 3724US5441108AFluid spill catching, containing, collection and recovery system for wellheadsR J S INC·Filed 1994·Granted Aug 15, 1995·9 cites·14 claims
- 3822US3985077AOgival lens warheadUS NAVY·Filed 1972·Granted Oct 12, 1976·3 cites·8 claims
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