Inventor
NOGUCHI KATSUHIDE
JP12 patents
⚠️ This page may combine multiple inventors who share the name “NOGUCHI KATSUHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CHEMICAL CO
5 patentsUS6664433B1Dec 16, 2003
Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons
NIPPON STEEL CHEMICAL CO10 citations72
US8013330B2Sep 6, 2011
Compound for organic electroluminescent device and organic electroluminescent device
NIPPON STEEL CHEMICAL CO4 citations62
US8008657B2Aug 30, 2011
Compound for organic electroluminescent device and organic electroluminescent device
NIPPON STEEL CHEMICAL CO3 citations62
US7968874B2Jun 28, 2011
Organic electroluminescent device material and organic electroluminescent device
NIPPON STEEL CHEMICAL CO2 citations60
US7049389B2May 23, 2006
Process for preparing of aromatic oligomers
NIPPON STEEL CHEMICAL CO0 citations49
NIPPON STEEL & SUMIKIN CHEM CO
4 patentsUS10361378B2Jul 23, 2019
Organic electroluminescent device
NIPPON STEEL & SUMIKIN CHEM CO1 citations61
US10340460B2Jul 2, 2019
Organic electroluminescent element
NIPPON STEEL & SUMIKIN CHEM CO1 citations60
US11818950B2Nov 14, 2023
Organic electroluminescence element
NIPPON STEEL & SUMIKIN CHEM CO0 citations50
US11088334B2Aug 10, 2021
Organic electroluminescent element
NIPPON STEEL & SUMIKIN CHEM CO0 citations50