Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546760 | Optical fiber drawing furnace with a zig zag heating element | Ichiro Tsuchiya, Kohei Kobayashi, Hiroaki Ohta, Kazuya Kuwahara, Katsuyuki Tsuneishi +1 more | 2003-04-15 |