Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647190 | Optical fiber having improved hydrogen resistance | Shoichiro Matsuo, Koichi Harada | 2003-11-11 |
| 6546177 | Dispersion shifted optical fiber | Shoichiro Matsuo, Shoji Tanigawa | 2003-04-08 |
| 6535678 | Multimode optical fiber with a higher order mode removing function | Ryozo Yamauchi, Shoichiro Matsuo, Koichi Takahashi | 2003-03-18 |
| 5848208 | Optical-fiber coupler and manufacturing process therefor | Fumio Suzuki, Hideki Sasaki, Shigefumi Yamasaki, Ryozo Yamauchi | 1998-12-08 |