Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073655 | Optical fiber and ultraviolet ray curable resin composition | Noriaki IWAGUCHI, Takashi Fujii | 2021-07-27 |
| 11040906 | Method for manufacturing optical fiber | Iwao Okazaki, Fumio Yoshimura | 2021-06-22 |