KY

Kei YOSHIZAKI

IC Idemitsu Kosan Co.: 2 patents #28 of 111Top 30%
Overall (2023): #136,068 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11723272 Organic electroluminescence element and electronic device Ryota Takahashi, Toshinari Ogiwara, Yuichiro Kawamura 2023-08-08
11618722 Compound, composition, organic electroluminescent element, and electronic appliance Masatoshi Saito, Kei Yoshida, Yuichiro Kawamura, Toshinari Ogiwara 2023-04-04