Inventor · disambiguated record
Raj Rao Rajaram
Also filed as: RAJARAM RAJ · RAJARAM RAJ R · RAJARAM RAJ RAO
59 granted patents·19 pending applications·930 citations·filing 1993–2022
99Inventor score
Files withJOHNSON MATTHEY PLC59CHEN HAI-YING4CASCI JOHN L3COLLIER JILLIAN ELAINE3ANDERSEN PAUL JOSEPH1
Top patents by PatentIndex Score
78 records- 0198US10625208B2Oxidation catalyst for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2019·Granted Apr 21, 2020·15 cites·13 claims
- 0298US9527035B2Catalysed soot filter for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2015·Granted Dec 27, 2016·16 cites·19 claims
- 0398US9527034B2Oxidation catalyst for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2015·Granted Dec 27, 2016·28 cites·20 claims
- 0498US8667785B2Catalysed substrate monolithJOHNSON MATTHEY PLC·Filed 2012·Granted Mar 11, 2014·75 cites·22 claims
- 0597US10688475B2Catalysed substrate monolithJOHNSON MATTHEY PLC·Filed 2019·Granted Jun 23, 2020·8 cites·30 claims
- 0697US10376867B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2017·Granted Aug 13, 2019·9 cites·18 claims
- 0797US10207254B2Catalysed substrate monolithJOHNSON MATTHEY PLC·Filed 2017·Granted Feb 19, 2019·10 cites·9 claims
- 0897US9868115B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2015·Granted Jan 16, 2018·13 cites·21 claims
- 0997US9597661B2Catalysed substrate monolithJOHNSON MATTHEY PLC·Filed 2015·Granted Mar 21, 2017·16 cites·18 claims
- 1097US9046022B2Catalysed substrate monolithJOHNSON MATTHEY PLC·Filed 2014·Granted Jun 2, 2015·21 cites·46 claims
- 1197US9034286B2Oxidation catalyst for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2013·Granted May 19, 2015·32 cites·16 claims
- 1297US8668891B2Exhaust system for a lean-burn IC engine comprising a PGM component and a SCR catalystJOHNSON MATTHEY PLC·Filed 2012·Granted Mar 11, 2014·27 cites·12 claims
- 1397US8603432B2Transition metal/zeolite SCR catalystsANDERSEN PAUL JOSEPH·Filed 2011·Granted Dec 10, 2013·26 cites·14 claims
- 1496US9005559B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY JAPAN G K·Filed 2014·Granted Apr 14, 2015·37 cites·21 claims
- 1595US10773251B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2019·Granted Sep 15, 2020·4 cites·20 claims
- 1695US8652429B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY JAPAN G K GODO KAISHA·Filed 2012·Granted Feb 18, 2014·51 cites·16 claims
- 1794US10669910B2Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled systemJOHNSON MATTHEY PLC·Filed 2018·Granted Jun 2, 2020·10 cites·24 claims
- 1894US10279314B2Oxidation catalyst for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2016·Granted May 7, 2019·5 cites·20 claims
- 1994US9259684B2Exhaust system for a lean-burn internal combustion engine including SCR catalystJOHNSON MATTHEY PLC·Filed 2012·Granted Feb 16, 2016·20 cites·45 claims
- 2094US9057310B2Catalysed soot filter for treating the exhaust gas of a compression ignition engineJOHNSON MATTHEY PLC·Filed 2013·Granted Jun 16, 2015·10 cites·19 claims
- 2194US8906820B2Transition metal/zeolite SCR catalystsFEDEYKO JOSEPH MICHAEL·Filed 2012·Granted Dec 9, 2014·13 cites·16 claims
- 2293US9333461B2Substrate monolith comprising SCR catalystJOHNSON MATTHEY PLC·Filed 2012·Granted May 10, 2016·21 cites·14 claims
- 2390US11358127B2NOx adsorber catalystJOHNSON MATTHEY PLC·Filed 2017·Granted Jun 14, 2022·4 cites·11 claims
- 2490US10005075B2Passive NOx adsorberJOHNSON MATTHEY PLC·Filed 2014·Granted Jun 26, 2018·7 cites·15 claims
- 2588US6713030B1Process and apparatus for reducing the nitrogen oxide content in exhaust gases by the controlled addition of NH3JOHNSON MATTHEY PLC·Filed 1999·Granted Mar 30, 2004·74 cites·14 claims
- 2687US12064727B2Transition metal/zeolite SCR catalystsJOHNSON MATTHEY PLC·Filed 2022·Granted Aug 20, 2024·0 cites·13 claims
- 2787US8367578B2Non-zeolite base metal SCR catalystJOHNSON MATTHEY PLC·Filed 2012·Granted Feb 5, 2013·7 cites·16 claims
- 2886US9555371B2Selective catalytic reduction processes using doped ceriasJOHNSON MATTHEY PLC·Filed 2014·Granted Jan 31, 2017·6 cites·21 claims
- 2986US5480854ACatalystJOHNSON MATTHEY PLC·Filed 1993·Granted Jan 2, 1996·54 cites·10 claims
- 3085US10391478B2NOx adsorber catalystJOHNSON MATTHEY PLC·Filed 2017·Granted Aug 27, 2019·3 cites·19 claims
- 3185US7985391B2Non-zeolite base metal SCR catalystJOHNSON MATTHEY PLC·Filed 2008·Granted Jul 26, 2011·10 cites·20 claims
- 3285US6546717B1Combatting air pollutionJOHNSON MATTHEY PLC·Filed 1999·Granted Apr 15, 2003·52 cites·16 claims
- 3385US5993762AMethod of using catalyst containing noble metal and cerium dioxideJOHNSON MATTHEY PLC·Filed 1995·Granted Nov 30, 1999·66 cites·13 claims
- 3484US9254481B2Low phosphorus chabazitesCASCI JOHN L·Filed 2012·Granted Feb 9, 2016·3 cites·18 claims
- 3584US8091351B2Non-zeolite base metal SCR catalystCOLLIER JILLIAN ELAINE·Filed 2011·Granted Jan 10, 2012·6 cites·20 claims
- 3680US7287370B2NOx-trapJOHNSON MATTHEY PLC·Filed 2001·Granted Oct 30, 2007·24 cites·29 claims
- 3779US11365660B2NOx adsorber catalystJOHNSON MATTHEY PLC·Filed 2017·Granted Jun 21, 2022·1 cites·20 claims
- 3878US6948308B2Combatting air pollutionJOHNSON MATTHEY PLC·Filed 2003·Granted Sep 27, 2005·15 cites·21 claims
- 3977US11478748B2Transition metal/zeolite SCR catalystsJOHNSON MATTHEY PLC·Filed 2018·Granted Oct 25, 2022·0 cites·6 claims
- 4077US10618003B2Noble metal-molecular sieve catalystsJOHNSON MATTHEY PLC·Filed 2014·Granted Apr 14, 2020·2 cites·16 claims
- 4175US11117097B2NOx adsorber catalystJOHNSON MATTHEY PLC·Filed 2017·Granted Sep 14, 2021·3 cites·17 claims
- 4275US9878316B2Low phosphorus chabazitesCASCI JOHN L·Filed 2016·Granted Jan 30, 2018·1 cites·10 claims
- 4375US8986635B2Exhaust system for a lean-burn IC engine comprising a PGM component and a SCR catalystJOHNSON MATTHEY PLC·Filed 2014·Granted Mar 24, 2015·2 cites·20 claims
- 4475US6479023B1System for converting particulate matter in gasoline engine exhaust gasesJOHNSON MATTHEY PLC·Filed 2000·Granted Nov 12, 2002·23 cites·14 claims
- 4573US9283519B2Filter comprising combined soot oxidation and NH3-SCR catalystCOLLIER JILLIAN ELAINE·Filed 2011·Granted Mar 15, 2016·1 cites·18 claims
- 4673US5943857ADiesel engine exhaust gas purification methodJOHNSON MATTHEY PLC·Filed 1996·Granted Aug 31, 1999·45 cites·5 claims
- 4772US11185854B2Cold start catalyst and its use in exhaust systemsJOHNSON MATTHEY PLC·Filed 2014·Granted Nov 30, 2021·1 cites·13 claims
- 4871US7485271B2Catalyst structure for treating NOx containing exhaust gas from a lean burn engineJOHNSON MATTHEY PLC·Filed 2004·Granted Feb 3, 2009·19 cites·24 claims
- 4969US2016367939A1Transition metal/zeolite scr catalystsJOHNSON MATTHEY PLC·Filed 2016·Application pending·0 cites
- 5067US11000836B2SCR catalysts having improved low temperature performance, and methods of making and using the sameJOHNSON MATTHEY PLC·Filed 2019·Granted May 11, 2021·0 cites·10 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →