Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820691 | Manufacturing apparatus and manufacturing method for optical fiber porous preform | Seiichi Shinada, Masaki Nakajima | 2023-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820691 | Manufacturing apparatus and manufacturing method for optical fiber porous preform | Seiichi Shinada, Masaki Nakajima | 2023-11-21 |