HI

Hirokatsu Ito

IC Idemitsu Kosan Co.: 66 patents #11 of 1,237Top 1%
BC Banyu Pharmaceutical Co.: 1 patents #210 of 330Top 65%
Overall (All Time): #30,818 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
10622569 Compound, organic electroluminescent element, and electronic device Tasuku HAKETA, Masahiro Kawamura, Yumiko Mizuki, Tomoharu HAYAMA 2020-04-14
10566541 Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element Yumiko Mizuki 2020-02-18
10547007 Compound, organic electroluminescent material, organic electroluminescent element, and electronic apparatus Tasuku HAKETA, Yu KUDO, Masahiro Kawamura, Ryota Takahashi 2020-01-28
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
10118889 Compound Masahiro Kawamura, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi 2018-11-06
10109803 Organic electroluminescence device and electronic device Yuki Nakano, Tetsuya Masuda 2018-10-23
10109804 Organic electroluminescence device and electronic device Yuki Nakano, Tetsuya Masuda 2018-10-23
10103338 Organic electroluminescence device and electronic device Yuki Nakano, Tetsuya Masuda 2018-10-16
10056558 Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element Yumiko Mizuki 2018-08-21
10014476 Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light-emitting medium Yumiko Mizuki, Takeshi Ikeda, Hiroyuki Saito, Masahiro Kawamura, Yuichiro Kawamura 2018-07-03
9991445 Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same Tasuku HAKETA, Masahiro Kawamura, Kazuki Nishimura, Yumiko Mizuki, Tomoharu HAYAMA 2018-06-05
9991455 Amine compound and organic electroluminescent element Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Masahiro Kawamura 2018-06-05
9985213 Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic apparatus Tomohiro Nagao 2018-05-29
9963429 Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Kazuki Nishimura, Masahiro Kawamura +1 more 2018-05-08
9947879 Anthracene derivative and organic electroluminescence element using same Hiroyuki Saito, Yumiko Mizuki, Masahiro Kawamura 2018-04-17
9902687 Compound Masahiro Kawamura, Yumiko Mizuki, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi 2018-02-27