Inventor
KITAHARA HIDEYOSHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KITAHARA HIDEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HODOGAYA CHEMICAL CO LTD
9 patentsUS10818844B2Oct 27, 2020
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD7 citations83
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
US11594683B2Feb 28, 2023
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations51
US11925114B2Mar 5, 2024
Indenocarbazole compound and organic electroluminescence device
HODOGAYA CHEMICAL CO LTD0 citations48
US10566543B2Feb 18, 2020
Pyrimidine derivative and organic electroluminescent devices
HODOGAYA CHEMICAL CO LTD0 citations47
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
US10566540B2Feb 18, 2020
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations40