Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125433 | Nitride semiconductor crystal, manufacturing method and manufacturing equipment | Akinori Koukitu, Yoshinao Kumagai | 2018-11-13 |
| 9978904 | Indium gallium nitride light emitting devices | Michael R. Krames, Mark P. D'Evelyn, Akinori Koukitu, Yoshinao Kumagai | 2018-05-22 |