KI

Kiyoshi Ikeda

IC Idemitsu Kosan Co.: 2 patents #31 of 164Top 20%
Overall (2022): #138,853 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11271171 Biscarbazole derivative and organic electroluminescent element using same Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura 2022-03-08
11264576 Specifically substituted ladder type compounds for organic light emitting devices Yumiko Mizuki, Kei Yoshida, Masahiro Kawamura 2022-03-01