Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668122 | Coated optical fiber | Shouhei Kozakai, Masatoshi Asano, Toshio Ohba | 2003-12-23 |
| 6615614 | Method for preparing optical waveguide substrate | Shinji Makikawa, Seiki Ejima | 2003-09-09 |