Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805497 | Optical transmission line | Shinji Ishikawa, Motonori Nakamura, Eisuke Sasaoka | 2004-10-19 |
| 6684017 | Optical transmission line and optical transmission system including the same | Eisuke Sasaoka | 2004-01-27 |