Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377294 | Optical functioning glass and apparatus using the same | Masahi Onishi, Koji Nakazato, Minoru Watanabe, Yoshiaki Miyajima | 1994-12-27 |
| 5368887 | Process for producing thin glass film by sol-gel method | Sumio Hoshino, Masumi Ito | 1994-11-29 |
| 5320658 | Process of drawing optical fiber | Yuichi Ohga, Shinji Ishikawa, Ichiro Yoshimura, Horoshi Yokota | 1994-06-14 |
| 5306322 | Process for thermal treatment of glass fiber preform | Shinji Ishikawa, Yuichi Ohga, Ichiro Tsuchiya, Hiroshi Yokota, Michihisa Kyoto | 1994-04-26 |