Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314520 | Method for manufacturing optical fiber preform | Takeshi Yagi, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314520 | Method for manufacturing optical fiber preform | Takeshi Yagi, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-05-24 |