Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320658 | Process of drawing optical fiber | Yuichi Ohga, Hiroo Kanamori, Ichiro Yoshimura, Horoshi Yokota | 1994-06-14 |
| 5314518 | Method for producing glass preform for optical fiber | Masumi Ito, Sumio Hoshino | 1994-05-24 |
| 5306322 | Process for thermal treatment of glass fiber preform | Yuichi Ohga, Ichiro Tsuchiya, Hiroo Kanamori, Hiroshi Yokota, Michihisa Kyoto | 1994-04-26 |