Issued Patents All Time
Showing 25 most recent of 163 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384739 | Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device | Tomoki Kato, Taro YAMAKI, Hirokatsu Ito | 2025-08-12 |
| 12364160 | Organic electroluminescent element and electronic device | Toshinari Ogiwara, Satomi TASAKI, Keiji Okinaka, Yoshiaki Takahashi | 2025-07-15 |
| 12077500 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2024-09-03 |
| 12022728 | Organic electroluminescent element and electronic device | Ryota Takahashi, Tomoki Kato, Hirokatsu Ito, 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, Hirokatsu Ito | 2024-03-26 |
| 11739061 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2023-08-29 |
| 11691983 | Specifically substituted benzofuro- and benzothienoquinolines for organic light emitting diodes | Yuichi Nishimae, Michelle GROARKE, Heinz Wolleb, Annemarie Wolleb, Yuki Nakano +3 more | 2023-07-04 |
| 11678571 | Organic electroluminescent device using aryl amine derivative containing heterocycle | Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami | 2023-06-13 |
| 11631817 | Organic electroluminescence element, electronic device, composition, material for organic electroluminescence element, and composition film | Tetsuya Masuda, Kazuki Nishimura | 2023-04-18 |
| 11552251 | Organic electroluminescent element and electronic device | Ryota Takahashi, Tomoki Kato, Hirokatsu Ito, Masakazu Funahashi, Hiroyuki Saito +4 more | 2023-01-10 |
| RE49343 | Organic electroluminescence device | Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki | 2022-12-20 |
| 11456421 | Anthracene derivatives, luminescent materials and organic electroluminescent devices | Mitsunori Ito | 2022-09-27 |
| 11289661 | Nitrogen-containing heterocyclic compounds for organic light emitting devices | Michelle GROARKE, Takushi SHIOMI, Hideaki Nagashima | 2022-03-29 |
| 11283025 | Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device | Taro YAMAKI, Tomoki Kato, Hirokatsu Ito | 2022-03-22 |
| 11276834 | Light emitting element and display device | Shoji Sudo, Masakazu Funahashi | 2022-03-15 |
| 11264576 | Specifically substituted ladder type compounds for organic light emitting devices | Yumiko Mizuki, Kei Yoshida, Kiyoshi Ikeda | 2022-03-01 |
| 11152574 | Organic electroluminescent device using aryl amine derivative containing heterocycle | Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami | 2021-10-19 |
| 11133478 | Aromatic amine derivative and organic electroluminescent device using the same | Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito | 2021-09-28 |
| 11117857 | Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device | Tomoki Kato, Taro YAMAKI, Hirokatsu Ito | 2021-09-14 |
| 11094888 | Organic electroluminescent device using aryl amine derivative containing heterocycle | Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami | 2021-08-17 |
| 11059781 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2021-07-13 |
| 11024806 | Aromatic amine derivative, and organic electroluminescent element comprising the same | Yumiko Mizuki, Masakazu Funahashi | 2021-06-01 |
| 10964891 | Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting medium | Yumiko Mizuki, Hirokatsu Ito, Takeshi Ikeda, Hiroyuki Saito, Yuichiro Kawamura | 2021-03-30 |
| 10862049 | Composition, organic-electroluminescence-device material, composition film, organic electroluminescence device, and electronic device | Hiroyuki Iwabuchi, Tetsuya Masuda, Hitoshi Kuma | 2020-12-08 |
| 10851055 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Toshinari Ogiwara, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2020-12-01 |