HK

Hitoshi Kuma

IC Idemitsu Kosan Co.: 1 patents #52 of 151Top 35%
Overall (2021): #433,969 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11059781 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Kei Yoshida, Keiji Okinaka 2021-07-13