Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421539 | Method of producing rod-shaped base material for optical transmission fiber | Kazuaki Yoshida, Kunio Ogura, Seiji Shibuya, Hiroshi Murata | 1983-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421539 | Method of producing rod-shaped base material for optical transmission fiber | Kazuaki Yoshida, Kunio Ogura, Seiji Shibuya, Hiroshi Murata | 1983-12-20 |