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Inventor

TOGASHI KAZUNORI

JP27 patents
⚠️ This page may combine multiple inventors who share the name “TOGASHI KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

11 patents

HODOGAYA CHEMICAL CO LTD

10 patents
US10032995B2Jul 24, 2018

Compound having diazatriphenylene ring structure, and organic electroluminescent device

HODOGAYA CHEMICAL CO LTD3 citations72
US10276800B2Apr 30, 2019

Organic electroluminescence device having at least an a node, a hole injection layer, a first hole transport layer. A second hole transport layer a luminous layer, an electron transport layer, and a cathode

HODOGAYA CHEMICAL CO LTD2 citations69
US11999818B2Jun 4, 2024

High molecular weight triarylamine compound comprising terphenyl structure in molecular main chain and organic electroluminescent element comprising said high molecular weight compound

HODOGAYA CHEMICAL CO LTD1 citations57
US9238624B2Jan 19, 2016

Method of producing aromatic amino compounds

HODOGAYA CHEMICAL CO LTD0 citations52
US10797242B2Oct 6, 2020

Compound having substituted triphenylene ring structure, and organic electroluminescent device

HODOGAYA CHEMICAL CO LTD0 citations51
US10593884B2Mar 17, 2020

Organic electroluminescent device

HODOGAYA CHEMICAL CO LTD0 citations51
US10026903B2Jul 17, 2018

Compound having substituted triphenylene ring structure, and organic electroluminescent device

HODOGAYA CHEMICAL CO LTD0 citations51
US11968882B2Apr 23, 2024

High-molecular-weight compound including substituted triarylamine structural unit, and organic electroluminescent device

HODOGAYA CHEMICAL CO LTD0 citations45
US11251373B2Feb 15, 2022

High molecular weight compound containing substituted triarylamine structural unit

HODOGAYA CHEMICAL CO LTD0 citations45
US11196004B2Dec 7, 2021

High-molecular-weight compound having substituted triarylamine skeleton

HODOGAYA CHEMICAL CO LTD0 citations45

YOKOYAMA NORIMASA

5 patents

ADACHI CHIHAYA

1 patent