Inventor
GUNUGUNURI KRISHNA
US15 patents
Patents
15 patentsUS10143965B1Dec 4, 2018
Palladium oxide dispersed on spinel oxides as catalysts for direct NOx decomposition
TOYOTA ENG & MFG NORTH AMERICA2 citations71
US10071367B1Sep 11, 2018
CeO2-NiO mixed oxide catalysts for direct NOx decomposition
TOYOTA ENG & MFG NORTH AMERICA4 citations71
US12480000B2Nov 25, 2025
Near infrared reflective copper oxide coated particles
TOYOTA ENG & MFG NORTH AMERICA0 citations62
US11834579B2Dec 5, 2023
Near infrared reflective copper oxide coated particles
TOYOTA ENG & MFG NORTH AMERICA0 citations62
US11110432B2Sep 7, 2021
Multi-transition metal doped copper-cobalt spinel catalyst material for NOx decomposition
TOYOTA ENG & MFG NORTH AMERICA0 citations62
US12161971B2Dec 10, 2024
Catalyst for direct NOx decomposition and a method for making and using the catalyst
TOYOTA ENG & MFG NORTH AMERICA0 citations61
US11541373B2Jan 3, 2023
Mixed oxide catalyst for oxygen storage applications and a method for making the catalyst
TOYOTA ENG & MFG NORTH AMERICA0 citations61
US11471873B2Oct 18, 2022
Microwave synthesis of iron oxide catalysts for cold start NOx removal
TOYOTA ENG & MFG NORTH AMERICA0 citations60
US11278871B2Mar 22, 2022
Direct no decomposition catalyst
TOYOTA ENG & MFG NORTH AMERICA0 citations60
US11208928B2Dec 28, 2021
Passive NOx adsorption and decomposition
TOYOTA ENG & MFG NORTH AMERICA0 citations60
US11154816B2Oct 26, 2021
Palladium oxide supported on spinels for NOx storage
TOYOTA ENG & MFG NORTH AMERICA0 citations60
US10596519B1Mar 24, 2020
Modified ferrite catalysts for direct no decomposition and a method of making and using a catalyst
TOYOTA ENG & MFG NORTH AMERICA1 citations60
US11559792B2Jan 24, 2023
Zinc manganese-iron spinel with an alkali metal stabilizer as an oxygen storage material resistant to rich/lean aging
TOYOTA ENG & MFG NORTH AMERICA0 citations56
US10239047B1Mar 26, 2019
Direct NOx decomposition catalyst with improved activity and selectivity
TOYOTA ENG & MFG NORTH AMERICA0 citations50
US10143966B1Dec 4, 2018
Potassium dispersed on spinel oxides as catalysts for direct NOx decomposition
TOYOTA ENG & MFG NORTH AMERICA0 citations50