Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11616201 | Specific ladder type compounds for organic light emitting devices | Francois Rime, Natalia Chebotareva, Hideaki Nagashima | 2023-03-28 |
| 11569456 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Kei Yoshida, Ryohei Hashimoto | 2023-01-31 |
| RE49343 | Organic electroluminescence device | Masahiro Kawamura, Hirokatsu Ito, Toshinari Ogiwara | 2022-12-20 |
| 11264576 | Specifically substituted ladder type compounds for organic light emitting devices | Kei Yoshida, Kiyoshi Ikeda, Masahiro Kawamura | 2022-03-01 |
| 11133478 | Aromatic amine derivative and organic electroluminescent device using the same | Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura | 2021-09-28 |
| 11053229 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Hirokatsu Ito, Tasuku HAKETA, Yu KUDO | 2021-07-06 |
| 11024806 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Masakazu Funahashi, Masahiro Kawamura | 2021-06-01 |
| 10964891 | Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting medium | Hirokatsu Ito, Takeshi Ikeda, Hiroyuki Saito, Masahiro Kawamura, Yuichiro Kawamura | 2021-03-30 |
| 10811616 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Kei Yoshida, Ryohei Hashimoto | 2020-10-20 |
| 10797244 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Tomoharu HAYAMA, Tetsuya Masuda, Masahiro Kawamura, Hirokatsu Ito, Tomoki Kato +1 more | 2020-10-06 |
| 10790449 | Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device | Tasuku HAKETA, Masahiro Kawamura, Yoichi Ikeda | 2020-09-29 |
| 10784446 | Compound, organic electroluminescence element material, organic electroluminescence element and electronic device | Tomoharu HAYAMA, Tetsuya Masuda, Masahiro Kawamura, Hirokatsu Ito, Tasuku HAKETA | 2020-09-22 |
| 10703762 | Compound, material for organic electroluminescence device, organic electroluminescence device and electronic apparatus | Yu KUDO, Masahiro Kawamura, Tomoki Kato, Hirokatsu Ito, Tasuku HAKETA +2 more | 2020-07-07 |
| 10686137 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Masakazu Funahashi, Masahiro Kawamura | 2020-06-16 |
| 10629821 | Compound, material for organic electroluminescent elements using same, and organic electroluminescent element and electronic device each using same | Tasuku HAKETA, Masahiro Kawamura, Yoichi Ikeda | 2020-04-21 |
| 10622569 | Compound, organic electroluminescent element, and electronic device | Tasuku HAKETA, Masahiro Kawamura, Hirokatsu Ito, Tomoharu HAYAMA | 2020-04-14 |
| 10566541 | Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element | Hirokatsu Ito | 2020-02-18 |
| 10435350 | Organic electroluminecence device | Hirokatsu Ito, Masahiro Kawamura, Tasuku HAKETA, Tomoharu HAYAMA, Ryota Takahashi | 2019-10-08 |
| 10396288 | Organic electroluminescent element and electronic device | Hirokatsu Ito, Masahiro Kawamura, Tasuku HAKETA, Tomoharu HAYAMA | 2019-08-27 |
| 10297765 | Aromatic amine derivative and organic electroluminescent device using the same | Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura | 2019-05-21 |
| 10297761 | Organic electroluminescent element | Masahiro Kawamura, Hitoshi Kuma, Toshinari Ogiwara, Satomi TASAKI, Kazuki Nishimura +1 more | 2019-05-21 |
| 10297757 | Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device | Masahiro Kawamura, Hirokatsu Ito, Tomoharu HAYAMA, Tasuku HAKETA | 2019-05-21 |
| 10263191 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Masakazu Funahashi, Masahiro Kawamura | 2019-04-16 |
| 10217954 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Tomoharu HAYAMA, Masahiro Kawamura, Hirokatsu Ito, Tasuku HAKETA | 2019-02-26 |
| 10211404 | Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device | Masahiro Kawamura, Hirokatsu Ito, Tomoharu HAYAMA, Tasuku HAKETA | 2019-02-19 |