Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799270 | Semiconductor optical element, semiconductor optical element forming structure, and method of manufacturing semiconductor optical element using the same | Ryozaburo Nogawa, Tomoaki Koui, Yumi Yamada | 2023-10-24 |
| 11387628 | Semiconductor optical element, semiconductor optical element forming structure, and method for manufacturing semiconductor optical element using the same | Ryozaburo Nogawa, Tomoaki Koui, Yumi Yamada | 2022-07-12 |
| 8509271 | Method for manufacturing optical fiber grating, optical fiber grating, and fiber laser | Yoshihiro Terada, Koji Omichi | 2013-08-13 |