P

Inventor

KAWADA ATSUSHI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWADA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAWADA ATSUSHI

3 patents
US8129543B2Mar 6, 2012

Cyclic guanidine ionic liquid

KAWADA ATSUSHI9 citations78
US8198387B2Jun 12, 2012

Proton-conducting compound and proton-conducting polymer

KAWADA ATSUSHI3 citations56
US8450478B2May 28, 2013

Cyclic guanidine ionic liquid

KAWADA ATSUSHI0 citations46

NIPPON STEEL & SUMIKIN CHEM CO

3 patents
US10032993B2Jul 24, 2018

Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor device

NIPPON STEEL & SUMIKIN CHEM CO2 citations66
US11818950B2Nov 14, 2023

Organic electroluminescence element

NIPPON STEEL & SUMIKIN CHEM CO0 citations50
US9512131B2Dec 6, 2016

Organic semiconductor material for organic transistor, and organic transistor element

NIPPON STEEL & SUMIKIN CHEM CO0 citations35

ENDO AYATAKA

1 patent
US8993129B2Mar 31, 2015

Fluorescence and delayed fluorescence-type organic light-emitting material and element

ENDO AYATAKA185 citations96

HOTTA MASANORI

1 patent
US8766248B2Jul 1, 2014

Nitrogen-containing aromatic compound, organic semiconductor material, and organic electronic device

HOTTA MASANORI9 citations75

NIPPON STEEL CHEMICAL CO

1 patent
US5175354ADec 29, 1992

Process for preparing 2,6-naphthalene-dicarboxylic acid

NIPPON STEEL CHEMICAL CO4 citations57

MITSUI CHEMICALS INC

1 patent
US10947652B2Mar 16, 2021

Apparatus for manufacturing non-woven fabric and method of manufacturing non-woven fabric

MITSUI CHEMICALS INC0 citations48

NIPPON STEEL CHEMICAL & MAT CO LTD

1 patent
US12426503B2Sep 23, 2025

Material for photoelectric conversion element for imaging

NIPPON STEEL CHEMICAL & MAT CO LTD0 citations45