Inventor
NAGAYAMA KAZUHIRO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “NAGAYAMA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
8 patentsUS9899606B2Feb 20, 2018
Composition for organic electroluminescent element, organic electroluminescent element, display and lighting
MITSUBISHI CHEM CORP3 citations72
US10600974B2Mar 24, 2020
Iridium complex compound, process for producing the compound, composition including the compound, organic electroluminescent element, display device, and illuminator
MITSUBISHI CHEM CORP2 citations69
US9799837B2Oct 24, 2017
Iridium complex compound, solution composition containing the compound, organic electroluminescent element, display, and lighting
MITSUBISHI CHEM CORP7 citations69
US11430961B2Aug 30, 2022
Iridium complex compound, and composition, organic electroluminescent element, display device, and lighting device each containing the compound
MITSUBISHI CHEM CORP1 citations60
US12247040B2Mar 11, 2025
Iridium complex compound
MITSUBISHI CHEM CORP0 citations57
US11404652B2Aug 2, 2022
Iridium complex compound, composition containing the compound and solvent, organic electroluminescent element containing the compound, display device, and illumination device
MITSUBISHI CHEM CORP0 citations53
US11038126B2Jun 15, 2021
Iridium complex compound, composition containing the compound and solvent, organic electroluminescent element containing the compound, display device, and illumination device
MITSUBISHI CHEM CORP0 citations53
US12201015B2Jan 14, 2025
Iridium complex compound, composition containing the compound and solvent, organic electroluminescent element containing the compound, display device, and illumination device
MITSUBISHI CHEM CORP0 citations45