Kei Yoshizaki

2 Patents

• US117232722023

  Organic Electroluminescence Element and Electronic Device

  IDEMITSU KOSAN CO., Ltd.

  0 cites
• US116187222023

  Compound, Composition, Organic Electroluminescent Element, and Electronic Appliance

  IDEMITSU KOSAN CO., Ltd.

  0 cites