Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693115 | Process for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradient | Masumi Ito, Toshio Danzuka, Yuichi Ohga, Sumio Hoshino | 1997-12-02 |
| 5637130 | Method and furnace for drawing optical fibers | Katsuya Nagayama, Kohei Kobayashi, Hiroaki Ohta | 1997-06-10 |
| 5624474 | Optical fiber preform manufacturing apparatus which measures a vertical load with three cells | Hiroaki Ohta, Toshio Danzuka | 1997-04-29 |
| 5602951 | Ferrule for optical connector and process for making same | Tetsuo Shiota, Yoshikyo Tamekuni, Tomohiko Ueda, Toshiaki Kakii, Shinji Nagasawa | 1997-02-11 |