Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247040 | Iridium complex compound | Kazuhiro Nagayama | 2025-03-11 |
| 11430961 | Iridium complex compound, and composition, organic electroluminescent element, display device, and lighting device each containing the compound | Koichi Ishibashi, Kazuhiro Nagayama, Koichiro Iida | 2022-08-30 |
| 10600974 | Iridium complex compound, process for producing the compound, composition including the compound, organic electroluminescent element, display device, and illuminator | Koichi Ishibashi, Kazuhiro Nagayama | 2020-03-24 |
| 9799837 | Iridium complex compound, solution composition containing the compound, organic electroluminescent element, display, and lighting | Kazuhiro Nagayama, Akira Migita, Hideki Gorohmaru, Koichiro Iida, Takashi Oya +1 more | 2017-10-24 |
| 8148005 | Active material and a secondary battery using the active material | Kyohei Usami, Naomi Awano, Atsushi Fukaya, Tadashi Sugawara, Michio MATSUSHITA | 2012-04-03 |