Inventor
NAITO KEIGO
JP5 patents
Patents
5 patentsUS12317744B2May 27, 2025
Compound having a fused-azole ring structure and organic electroluminescent element
HODOGAYA CHEMICAL CO LTD0 citations60
US11273110B2Mar 15, 2022
Dye for hair coloration, composition for hair coloration containing dye, and method for producing dye
HODOGAYA CHEMICAL CO LTD0 citations59
US10950797B2Mar 16, 2021
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD1 citations59
US11594700B2Feb 28, 2023
Organic electroluminescent device
HODOGAYA CHEMICAL CO LTD0 citations48
US10738019B2Aug 11, 2020
Compound including basic dye and amino acid, hair dyeing dye, and hair dyeing composition
HODOGAYA CHEMICAL CO LTD0 citations48