Inventor
NAGAOKA SHUHEI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAGAOKA SHUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON MATTHEY PLC
9 patentsUS10875010B2Dec 29, 2020
PGM nanoparticles TWC catalysts for gasoline exhaust gas applications
JOHNSON MATTHEY PLC7 citations81
US10753248B2Aug 25, 2020
Exhaust gas purification catalyst
JOHNSON MATTHEY PLC9 citations80
US11253840B2Feb 22, 2022
Transition metal doped alumina for improved TWC performance
JOHNSON MATTHEY PLC4 citations72
US11642658B2May 9, 2023
PGM nanoparticles TWC catalysts for gasoline exhaust gas applications
JOHNSON MATTHEY PLC4 citations68
US11439983B2Sep 13, 2022
Active perovskite-type catalysts stable to high temperature aging for gasoline exhaust gas applications
JOHNSON MATTHEY PLC2 citations65
US11794170B2Oct 24, 2023
TWC catalysts containing high dopant support
JOHNSON MATTHEY PLC2 citations63
US12251683B2Mar 18, 2025
Transition metal incorporated alumina for improved three way catalysts
JOHNSON MATTHEY PLC0 citations57
US11986802B2May 21, 2024
Transition metal incorporated alumina for improved three way catalysts
JOHNSON MATTHEY PLC0 citations57
US11745173B2Sep 5, 2023
Tin incorporated catalysts for gasoline engine exhaust gas treatments
JOHNSON MATTHEY PLC1 citations55