Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834365 | Optical fiber preform production method, optical fiber preform, and optical fiber production method | Yoshimichi Amma, Katsuhiro Takenaga | 2023-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834365 | Optical fiber preform production method, optical fiber preform, and optical fiber production method | Yoshimichi Amma, Katsuhiro Takenaga | 2023-12-05 |