Inventor

NAKAHIGASHI SEIJI

JP11 patents

⚠️ This page may combine multiple inventors who share the name “NAKAHIGASHI SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINZEI ISAO

4 patents

US11053833B2Jul 6, 2021

Exhaust gas purification catalyst

CHINZEI ISAO3 citations72

US11400436B2Aug 2, 2022

Exhaust gas purification catalyst

CHINZEI ISAO2 citations70

US11559768B2Jan 24, 2023

Exhaust gas purification catalyst

CHINZEI ISAO1 citations62

US11759769B2Sep 19, 2023

Exhaust gas purification device

CHINZEI ISAO1 citations59

CATALER CORP

2 patents

US11633724B2Apr 25, 2023

Methods for exhaust gas purification

CATALER CORP3 citations71

US11524285B2Dec 13, 2022

Exhaust gas purification catalyst device

CATALER CORP1 citations61

SAITO YOSHINORI

1 patent

US10058846B2Aug 28, 2018

Catalyst for purifying exhaust gas

SAITO YOSHINORI6 citations71

TOYOTA MOTOR CO LTD

1 patent

US11426710B2Aug 30, 2022

Exhaust gas control catalyst

TOYOTA MOTOR CO LTD3 citations70

NAKAHIGASHI SEIJI

1 patent

US11577226B2Feb 14, 2023

Exhaust gas purification catalyst

NAKAHIGASHI SEIJI2 citations64

SHIMANO NORIMICHI

1 patent

US11719144B2Aug 8, 2023

Exhaust gas purification catalyst

SHIMANO NORIMICHI0 citations52

SUGIURA KOJI

1 patent

US12140060B2Nov 12, 2024

Exhaust gas purification system

SUGIURA KOJI0 citations50