YK

Yuichiro Kawamura

IC Idemitsu Kosan Co.: 5 patents #5 of 111Top 5%
Overall (2023): #24,812 of 537,848Top 5%
5
Patents 2023

Issued Patents 2023

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11723272 Organic electroluminescence element and electronic device Kei YOSHIZAKI, Ryota Takahashi, Toshinari Ogiwara 2023-08-08
11653511 Organic EL light-emitting apparatus and electronic instrument 2023-05-16
11618722 Compound, composition, organic electroluminescent element, and electronic appliance Masatoshi Saito, Kei Yoshida, Toshinari Ogiwara, Kei YOSHIZAKI 2023-04-04
11600780 Organic electroluminescence device and electronic apparatus Satomi TASAKI, Taro YAMAKI, Hiroaki ITOI, Yuki Nakano 2023-03-07
11552251 Organic electroluminescent element and electronic device Ryota Takahashi, Tomoki Kato, Hirokatsu Ito, Masahiro Kawamura, Masakazu Funahashi +4 more 2023-01-10