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 1–25 of 68 patents

Patent #TitleCo-InventorsDate
12384739 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Tomoki Kato, Taro YAMAKI, Masahiro Kawamura 2025-08-12
12338234 Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device Tasuku HAKETA, Yu KUDO, Yusuke Takahashi 2025-06-24
12069943 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Tasuku HAKETA, Yu KUDO 2024-08-20
12048242 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Yusuke Takahashi, Tasuku HAKETA, Yu KUDO 2024-07-23
12022728 Organic electroluminescent element and electronic device Ryota Takahashi, Tomoki Kato, Masahiro Kawamura, Masakazu Funahashi, Hiroyuki Saito +4 more 2024-06-25
11939279 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Tomoki Kato, Taro YAMAKI, Masahiro Kawamura 2024-03-26
11744149 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Yusuke Takahashi, Tasuku HAKETA, Yu KUDO 2023-08-29
11730054 Compound having dibenzofuran and naphthalene structures, and organic electroluminescent element using same Tasuku HAKETA, Yu KUDO 2023-08-15
11678569 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Hiroaki ITOI, Tasuku HAKETA, Yusuke Takahashi, Shota TANAKA 2023-06-13
11665962 Organic electroluminescence element and electronic device Yuki Nakano, Tetsuya Masuda 2023-05-30
11618740 Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device Yu KUDO, Tasuku HAKETA 2023-04-04
11548877 Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device Tasuku HAKETA, Yu KUDO, Yusuke Takahashi 2023-01-10
11552251 Organic electroluminescent element and electronic device Ryota Takahashi, Tomoki Kato, Masahiro Kawamura, Masakazu Funahashi, Hiroyuki Saito +4 more 2023-01-10
RE49343 Organic electroluminescence device Masahiro Kawamura, Toshinari Ogiwara, Yumiko Mizuki 2022-12-20
11479544 Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device Tasuku HAKETA, Yu KUDO 2022-10-25
11283025 Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device Taro YAMAKI, Tomoki Kato, Masahiro Kawamura 2022-03-22
11117857 Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device Tomoki Kato, Taro YAMAKI, Masahiro Kawamura 2021-09-14
11053437 Compound, material for organic electroluminescent devices, organic electroluminescent device and electronic device Yu KUDO, Tasuku HAKETA, Yusuke Takahashi 2021-07-06
11053229 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tasuku HAKETA, Yu KUDO, Yumiko Mizuki 2021-07-06
10964891 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 2021-03-30
10941144 Organic electroluminescence device and electronic device Tasuku HAKETA, Yu KUDO 2021-03-09
10840456 Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device Tasuku HAKETA, Yu KUDO 2020-11-17
10797244 Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device Tomoharu HAYAMA, Tetsuya Masuda, Masahiro Kawamura, Yumiko Mizuki, Tomoki Kato +1 more 2020-10-06
10784446 Compound, organic electroluminescence element material, organic electroluminescence element and electronic device Tomoharu HAYAMA, Tetsuya Masuda, Masahiro Kawamura, Tasuku HAKETA, Yumiko Mizuki 2020-09-22
10703762 Compound, material for organic electroluminescence device, organic electroluminescence device and electronic apparatus Yu KUDO, Yumiko Mizuki, Masahiro Kawamura, Tomoki Kato, Tasuku HAKETA +2 more 2020-07-07