Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352259 | Method of manufacturing optical fiber preform | Masato Oku, Noritsugu Enomoto, Hiroshi Hihara, Tsuguo Sato, Kazuaki Yoshida +1 more | 1994-10-04 |
| 5318432 | Apparatus for forming porous preform used to fabricate optical fiber | Tsuguo Satou, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-06-07 |
| 5314520 | Method for manufacturing optical fiber preform | Tsuguo Satoh, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-05-24 |