Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391872 | Light emitting element and monoamine compound for the same | — | 2025-08-19 |
| 12391668 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | — | 2025-08-19 |
| 11968891 | Organic electroluminescence device and heterocyclic compound for organic electroluminescence device | — | 2024-04-23 |
| 11653561 | Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device | — | 2023-05-16 |
| 11393985 | Organic electroluminescence device and polycyclic compound for organic electroluminescence device | Nobutaka Akashi | 2022-07-19 |
| 11309511 | Organic electroluminescence device and nitrogen-containing compound for organic electroluminescence device | — | 2022-04-19 |
| 11283031 | Organic electroluminescence device and silicon-containing compound for organic electroluminescence device | — | 2022-03-22 |
| 11050025 | Material for organic electroluminescent device and organic electroluminescent device including the same | Hiroaki ITOI, Ichinori Takada, Koushin Matsuoka, Masatsugu Ueno, Hiromi Nakano +5 more | 2021-06-29 |
| 11021484 | Compound including nitrogen and organic electroluminescence device including the same | — | 2021-06-01 |
| 10998501 | Material for organic electroluminescent device, organic electroluminescent device including the same and preparation method of triarylamine derivatives | — | 2021-05-04 |
| 10930854 | Monoamine material for organic electroluminescent element, and organic electroluminescent element using same | Ichinori Takada | 2021-02-23 |
| 10804482 | Silicon-containing compound and organic electroluminescence device including the same | — | 2020-10-13 |
| 10777753 | Heterocyclic compound and organic electroluminescence device including the same | — | 2020-09-15 |
| 10727415 | Phosphine-based compound and organic electroluminescence device including the same | — | 2020-07-28 |
| 10689568 | Organic electroluminescent device | Toshiyuki Matsuura, Hiroaki ITOI, Nobutaka Akashi | 2020-06-23 |
| 10629830 | Organic electroluminescent device | Junta Fuchiwaki, Hiromi Oyama, Yasuo Miyata, Masatsugu Ueno, Ichinori Takada | 2020-04-21 |
| 10385262 | Organic electroluminescent device | Toshiyuki Matsuura, Hiroaki ITOI, Nobutaka Akashi | 2019-08-20 |
| 10290813 | Material for organic electroluminescent device and organic electroluminescent device including the same | Hiroaki ITOI, Hiromi Nakano, Hideo Miyake, Ichinori Takada | 2019-05-14 |
| 10256413 | Material for organic electroluminescent device, organic electroluminescent device including the same and preparation method of triarylamine derivatives | — | 2019-04-09 |
| 10184078 | Organic electroluminescent device | Toshiyuki Matsuura, Hiroaki ITOI, Nobutaka Akashi | 2019-01-22 |
| 10164197 | Organic electroluminescent device | Kazunori Morimoto, Ichinori Takada | 2018-12-25 |
| 9960372 | Monoamine derivative and organic electroluminescent device including the same | Masatsugu Ueno | 2018-05-01 |
| 9902901 | Organic electroluminescent device | Toshiyuki Matsuura, Hiroaki ITOI, Nobutaka Akashi | 2018-02-27 |
| 9882014 | Semiconductor device and method for manufacturing the same | Yasutaka NAKAZAWA, Takayuki Cho, Shunsuke KOSHIOKA, Takahiro Sato, Shunpei Yamazaki | 2018-01-30 |
| 9780317 | Amine derivative, organic luminescent material and organic electroluminescent device using the amine derivative or the organic luminescent material | Junta Fuchiwaki, Hiromi Oyama, Yasuo Miyata, Masatsugu Ueno, Ichinori Takada | 2017-10-03 |