TH

Tomoharu HAYAMA

IC Idemitsu Kosan Co.: 3 patents #16 of 126Top 15%
Overall (2020): #65,649 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10797244 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tetsuya Masuda, Masahiro Kawamura, Hirokatsu Ito, Yumiko Mizuki, Tomoki Kato +1 more 2020-10-06
10784446 Compound, organic electroluminescence element material, organic electroluminescence element and electronic device Tetsuya Masuda, Masahiro Kawamura, Hirokatsu Ito, Tasuku HAKETA, Yumiko Mizuki 2020-09-22
10622569 Compound, organic electroluminescent element, and electronic device Tasuku HAKETA, Masahiro Kawamura, Yumiko Mizuki, Hirokatsu Ito 2020-04-14