Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810692 | Method of controlling an upper portion of an optical fiber draw furnace | Toshiki Taru, Kazuya Kuwahara, Ichiro Tsuchiya | 2004-11-02 |
| 6735983 | Optical fiber drawing method and drawing furnace | Toshiki Taru, Ichiro Tsuchiya, Katsuyuki Tsuneishi, Kazuya Kuwahara | 2004-05-18 |
| 6681072 | Optical fiber, method of making optical fiber preform, and method of making optical fiber | Kiichiro Kawasaki, Takatoshi Kato | 2004-01-20 |