Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650821 | Optical device and a making method thereof | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Masashi Onishi, Kenji Tamano +1 more | 2003-11-18 |
| 6628872 | Dispersion compensator and optical transmission system | Mitsuomi Hada, Kenji Tamano, Keiichiro Fukuda, Masashi Onishi | 2003-09-30 |
| 6614976 | Optical fiber having a large positive dispersion | Takatoshi Kato, Kazuhiro Okamoto, Mitsuomi Hada, Shinjiro Hagihara, Morio Watanabe | 2003-09-02 |
| 6597846 | Optical fiber | Takashi Fujii, Toshifumi Hosoya, Kenji Tamano, Keiichiro Fukuda, Eisuke Sasaoka +1 more | 2003-07-22 |
| 6546760 | Optical fiber drawing furnace with a zig zag heating element | Ichiro Tsuchiya, Hiroaki Ohta, Kazuya Kuwahara, Katsuyuki Tsuneishi, Hideo Miyaki +1 more | 2003-04-15 |
| 6546180 | Coiled optical assembly and fabricating method for the same | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Masashi Onishi | 2003-04-08 |