Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404967 | Optical fiber and optical transmission line using the same | Ryuichi Sugizaki, Keiichi Aiso | 2002-06-11 |
| 6373798 | Recording device which can continuously record information data onto plurality of information media | — | 2002-04-16 |