Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668592 | Optical fiber drawing furnace having adjustable partitions | Toshiki Taru, Katsuya Nagayama, Ichiro Tsuchiya | 2003-12-30 |
| 6567597 | Optical fiber, method of making the same, and optical transmission system including the same | Eisuke Sasaoka, Masashi Onishi, Katsuya Nagayama, Kaoru Okuno | 2003-05-20 |
| 6546760 | Optical fiber drawing furnace with a zig zag heating element | Ichiro Tsuchiya, Kohei Kobayashi, Hiroaki Ohta, Katsuyuki Tsuneishi, Hideo Miyaki +1 more | 2003-04-15 |
| 6530243 | Method of making an optical fiber with an improved UV-curable resin | Ichiro Tsuchiya, Yasuhiro Naganuma | 2003-03-11 |
| 6502428 | Manufacturing method of an optical fiber | Masashi Onishi, Katsuya Nagayama | 2003-01-07 |