Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922098 | Cleaning a glass preform with a high temperature inert gas during the drawing of an optical fiber | Katsuyuki Tsuneishi, Toshiaki Kakii, Satoshi Tanaka | 1999-07-13 |
| 5788734 | Method for drawing glass preform for optical fiber | Sumio Hoshino, Toshio Danzuka, Yuichi Ohga, Masumi Ito | 1998-08-04 |
| 5674306 | Method and apparatus for drawing glass preform for optical fiber | Sumio Hoshino, Toshio Danzuka, Yuichi Ohga | 1997-10-07 |