HK

Hitoshi Kuma

IC Idemitsu Kosan Co.: 2 patents #24 of 131Top 20%
Overall (2019): #88,380 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE47654 Organic electroluminescence device Yuichiro Kawamura, Masahiro Kawamura, Hirokatsu Ito 2019-10-22
10297761 Organic electroluminescent element Masahiro Kawamura, Toshinari Ogiwara, Satomi TASAKI, Yumiko Mizuki, Kazuki Nishimura +1 more 2019-05-21
10186665 Organic electroluminescent element Masahiro Kawamura, Yumiko Mizuki, Toshinari Ogiwara 2019-01-22