Patents/Inventors

Keiichi Yasukawa

TokyoJP5 patents

6 Patents

US124464632025
Organic Electroluminescent Element and Electronic Device
IDEMITSU KOSAN CO., Ltd.
0 cites
US124352692025
Organic Electroluminescent Element and Electronic Appliance
IDEMITSU KOSAN CO., Ltd.
0 cites
US124214502025
Compounds, Materials for Organic Electroluminescent Devices, Organic Electroluminescent Devices, and Electronic Devices
IDEMITSU KOSAN CO., Ltd.
0 cites
US122741682025
Compound, Material for Organic Electroluminescent Element, Organic Electroluminescent Element, and Electronic Appliance
IDEMITSU KOSAN CO., Ltd.
0 cites
US122009612025
Organic Electroluminescence Element, Display Device, and Electronic Apparatus
IDEMITSU KOSAN CO., Ltd.
0 cites
US119440092024
Compound, Material for Organic Electroluminescent Element, Organic Electroluminescent Element, and Electronic Device
IDEMITSU KOSAN CO., Ltd.
0 cites