HK

Hitoshi Kuma

IC Idemitsu Kosan Co.: 3 patents #16 of 126Top 15%
Overall (2020): #88,580 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10862049 Composition, organic-electroluminescence-device material, composition film, organic electroluminescence device, and electronic device Masahiro Kawamura, Hiroyuki Iwabuchi, Tetsuya Masuda 2020-12-08
10851055 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Kei Yoshida, Keiji Okinaka 2020-12-01
10590080 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Satomi TASAKI, Masahiro Kawamura, Toshinari Ogiwara, Kei Yoshida, Keiji Okinaka 2020-03-17