Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043131 | Optical device and a making method thereof | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Kohei Kobayashi, Masashi Onishi +1 more | 2006-05-09 |
| 6650821 | Optical device and a making method thereof | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Kohei Kobayashi, Masashi Onishi +1 more | 2003-11-18 |
| 6628872 | Dispersion compensator and optical transmission system | Mitsuomi Hada, Kohei Kobayashi, Keiichiro Fukuda, Masashi Onishi | 2003-09-30 |
| 6608954 | Optical fiber coil and manufacturing method thereof | Takashi Fujii | 2003-08-19 |
| 6597846 | Optical fiber | Takashi Fujii, Toshifumi Hosoya, Keiichiro Fukuda, Eisuke Sasaoka, Shigeru Tanaka +1 more | 2003-07-22 |