Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795097 | Method of producing optical fiber preform and optical fiber | Keiichi Aiso | 2023-10-24 |
| 11577984 | Method for manufacturing optical fiber preform, optical fiber preform, method for manufacturing optical fiber, and optical fiber | Mitsuhiro Kawasaki | 2023-02-14 |