YK

Yuichiro Kawamura

IC Idemitsu Kosan Co.: 5 patents #5 of 164Top 4%
Overall (2022): #24,897 of 548,613Top 5%
5
Patents 2022

Issued Patents 2022

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11482675 Organic electroluminescence device and electronic apparatus Satomi TASAKI, Taro YAMAKI, Hiroaki ITOI, Yuki Nakano, Ryoji Maeda +2 more 2022-10-25
11456425 Organic electroluminescent element, and electronic apparatus Toshinari Ogiwara, Kei Yoshida, Masatoshi Saito 2022-09-27
11424414 Organic electroluminescent element, electronic device, and compound Kei Yoshida, Masatoshi Saito, Toshinari Ogiwara, Kei YOSHIZAKI 2022-08-23
11322711 Organic EL light emitting apparatus and electronic instrument Kazuki Nishimura 2022-05-03
11271164 Compound, composition, organic electroluminescent element and electronic device Masatoshi Saito, Kei Yoshida, Toshinari Ogiwara, Kei YOSHIZAKI 2022-03-08