KY

Keiichi YASUKAWA

IC Idemitsu Kosan Co.: 1 patents #52 of 151Top 35%
📍 Chiyoda, JP: #115 of 360 inventorsTop 35%
Overall (2021): #373,691 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11201297 Organic electroluminescence device and electronic device Kei YOSHIZAKI, Toshinari Ogiwara, Yuichiro Kawamura, Kei Yoshida 2021-12-14