Issued Patents All Time
Showing 1–25 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421450 | Compounds, materials for organic electroluminescent devices, organic electroluminescent devices, and electronic devices | Keiichi YASUKAWA, Hiromi Nakano, Hisato MATSUMOTO | 2025-09-23 |
| 12364160 | Organic electroluminescent element and electronic device | Satomi TASAKI, Masahiro Kawamura, Keiji Okinaka, Yoshiaki Takahashi | 2025-07-15 |
| 12302757 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Hiromi Nakano | 2025-05-13 |
| 12250883 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Hiromi Nakano | 2025-03-11 |
| 12200961 | Organic electroluminescence element, display device, and electronic apparatus | Kazuki Nishimura, Keiji Okinaka, Keiichi YASUKAWA | 2025-01-14 |
| 12127478 | Organic electroluminescence device and electronic device | Takushi SHIOMI, Hisato MATSUMOTO, Hiromi Nakano | 2024-10-22 |
| 12077500 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2024-09-03 |
| 12075699 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Hiromi Nakano | 2024-08-27 |
| 12029120 | Organic electroluminescence element and electronic device | Takushi SHIOMI, Hiromi Nakano | 2024-07-02 |
| 11968894 | Organic electroluminescent element, material for organic electroluminescent elements, and electronic device | Kei Yoshida, Satomi TASAKI | 2024-04-23 |
| 11944009 | Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device | Keiichi YASUKAWA, Shota SAWANO, Keiji Okinaka, Takushi SHIOMI | 2024-03-26 |
| 11739061 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2023-08-29 |
| 11730052 | Light-emitting device | Yoshikazu Tanaka, Keiji Okinaka | 2023-08-15 |
| 11723272 | Organic electroluminescence element and electronic device | Kei YOSHIZAKI, Ryota Takahashi, Yuichiro Kawamura | 2023-08-08 |
| 11618722 | Compound, composition, organic electroluminescent element, and electronic appliance | Masatoshi Saito, Kei Yoshida, Yuichiro Kawamura, Kei YOSHIZAKI | 2023-04-04 |
| 11569456 | Organic electroluminescent element and electronic device | Kei Yoshida, Ryohei Hashimoto, Yumiko Mizuki | 2023-01-31 |
| RE49343 | Organic electroluminescence device | Masahiro Kawamura, Hirokatsu Ito, Yumiko Mizuki | 2022-12-20 |
| 11482681 | Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device | Keiichi YASUKAWA, Shota SAWANO, Keiji Okinaka, Takushi SHIOMI | 2022-10-25 |
| 11456425 | Organic electroluminescent element, and electronic apparatus | Kei Yoshida, Masatoshi Saito, Yuichiro Kawamura | 2022-09-27 |
| 11424414 | Organic electroluminescent element, electronic device, and compound | Kei Yoshida, Masatoshi Saito, Kei YOSHIZAKI, Yuichiro Kawamura | 2022-08-23 |
| 11271164 | Compound, composition, organic electroluminescent element and electronic device | Masatoshi Saito, Kei Yoshida, Yuichiro Kawamura, Kei YOSHIZAKI | 2022-03-08 |
| 11201297 | Organic electroluminescence device and electronic device | Kei YOSHIZAKI, Yuichiro Kawamura, Keiichi YASUKAWA, Kei Yoshida | 2021-12-14 |
| 11189803 | Organic electroluminescent element and electronic device containing the organic electroluminescent element | Kei YOSHIZAKI | 2021-11-30 |
| 11059781 | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device | Satomi TASAKI, Masahiro Kawamura, Hitoshi Kuma, Kei Yoshida, Keiji Okinaka | 2021-07-13 |
| 11043638 | Organic electroluminescence device and electronic device | Kei Yoshida, Yuichiro Kawamura | 2021-06-22 |