Inventor

YOSHIMURA KAZUAKI

JP15 patents

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

TANAKA HIROSHIGE

3 patents

US8945726B2Feb 3, 2015

Polymer for organic electroluminescent element, and organic electroluminescent element using the same

TANAKA HIROSHIGE4 citations68

US10193069B2Jan 29, 2019

Polymer for use in organic electroluminescent element and organic electroluminescent element employing same

TANAKA HIROSHIGE0 citations36

US9290692B2Mar 22, 2016

Polymer light-emitting material, method for producing the same, and organic electroluminescent device

TANAKA HIROSHIGE0 citations36

NIPPON STEEL & SUMIKIN CHEM CO

2 patents

US9614172B2Apr 4, 2017

Curable composition, cured product, and organic electroluminescence element using same

NIPPON STEEL & SUMIKIN CHEM CO2 citations70

US11818950B2Nov 14, 2023

Organic electroluminescence element

NIPPON STEEL & SUMIKIN CHEM CO0 citations50

SUMITOMO CHEMICAL CO

2 patents

US11578160B2Feb 14, 2023

Composition

SUMITOMO CHEMICAL CO0 citations53

US10457636B2Oct 29, 2019

Production method of ϵ-caprolactam

SUMITOMO CHEMICAL CO0 citations45

KAI TAKAHIRO

2 patents

US9299947B2Mar 29, 2016

Organic electroluminescent device having an electron- and /or exciton-blocking layer comprising an indolocarbazole compound

KAI TAKAHIRO0 citations41

US9290498B2Mar 22, 2016

Organic electroluminescent device having an electron- and/or exciton-blocking layer comprising an indolocarbazole compound

KAI TAKAHIRO0 citations41

ENDO AYATAKA

1 patent

US8993129B2Mar 31, 2015

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

ENDO AYATAKA185 citations96

ASARI TOHRU

1 patent

US8795852B2Aug 5, 2014

Organic electroluminescent device with host materials having same or similar IP, EA and T1 values

ASARI TOHRU8 citations78

NIPPON STEEL CHEMICAL & MAT CO LTD

1 patent

US11374178B2Jun 28, 2022

Organic electroluminescent element

NIPPON STEEL CHEMICAL & MAT CO LTD0 citations50

ISHIYAMA TAKAYA

1 patent

US9543526B2Jan 10, 2017

Nitrogen-containing aromatic compounds and organic electroluminescent device

ISHIYAMA TAKAYA1 citations42

NIINA Masashi

1 patent

US9299934B2Mar 29, 2016

Polymer for organic electroluminescent elements, and organic electroluminescent element using cured product of same

NIINA Masashi0 citations42

HAYASHIDA HIROYUKI

1 patent

US9590179B2Mar 7, 2017

Curable composition, cured product, and organic electroluminescent element using same

HAYASHIDA HIROYUKI0 citations31