HI

Hirokatsu Ito

IC Idemitsu Kosan Co.: 9 patents #4 of 131Top 4%
Overall (2019): #9,025 of 560,194Top 2%
10
Patents 2019

Issued Patents 2019

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
RE47654 Organic electroluminescence device Yuichiro Kawamura, Masahiro Kawamura, Hitoshi Kuma 2019-10-22
10435350 Organic electroluminecence device Masahiro Kawamura, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi 2019-10-08
10424740 Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device Tasuku HAKETA, Yu KUDO 2019-09-24
10396288 Organic electroluminescent element and electronic device Masahiro Kawamura, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA 2019-08-27
10388885 Organic electroluminescent device Takeshi Ikeda 2019-08-20
10297757 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Masahiro Kawamura, Yumiko Mizuki, Tomoharu HAYAMA, Tasuku HAKETA 2019-05-21
10270040 Oxygen-containing fused ring amine compound, sulfur-containing fused ring amine compound and organic electroluminescence device Yoichi Ikeda, Masahiro Kawamura, Hiroyuki Saito, Takeshi Ikeda 2019-04-23
10217954 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tomoharu HAYAMA, Masahiro Kawamura, Yumiko Mizuki, Tasuku HAKETA 2019-02-26
10211404 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Masahiro Kawamura, Yumiko Mizuki, Tomoharu HAYAMA, Tasuku HAKETA 2019-02-19
10205099 Condensed fluoranthene compound, organic electroluminescence element material including same, organic electroluminescence element using same, and electronic device Masahiro Kawamura, Yumiko Mizuki, Tomoharu HAYAMA, Tasuku HAKETA 2019-02-12