Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935045 | Method of manufacturing a preform for asymmetrical optical fiber | Matsuhiro Miyamoto, Tatsuyuki Oohashi, Osamu Fukuda | 1990-06-19 |
| 4834786 | Method of manufacturing a preform for asymmetrical optical fiber | Matsuhiro Miyamoto, Tatsuyuki Oohashi, Osamu Fukuda | 1989-05-30 |