KY

Kei YOSHIZAKI

IC Idemitsu Kosan Co.: 2 patents #31 of 164Top 20%
Overall (2022): #139,032 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11424414 Organic electroluminescent element, electronic device, and compound Kei Yoshida, Masatoshi Saito, Toshinari Ogiwara, Yuichiro Kawamura 2022-08-23
11271164 Compound, composition, organic electroluminescent element and electronic device Masatoshi Saito, Kei Yoshida, Yuichiro Kawamura, Toshinari Ogiwara 2022-03-08